Back to destinations
AI-generated illustrative scene; not a photograph of this destination
AI-generated
Japan

Naoshima weather & best time to visit

Sun, sea & sand

Naoshima at a glance

Best time
May – Oct
Warmest month
Aug · 33°
Warmest sea
Aug · 27.9°
Sunshine a year
2,050 h
Rain a year
1,259 mm
Climate
Temperate
Time zone
UTC+9
Elevation
5 m

Climate in Naoshima

Naoshima has a temperate climate with warm summers and cool winters. August is the warmest month with average highs of 33 °C, while January is the coolest at 10 °C. With around 2,050 hours of sunshine a year, Naoshima is moderately sunny; August is the sunniest month with 7.1 hours a day.

Holiday weather through the year

Best time to visit

Best time to visit Naoshima

The best time to visit Naoshima is from May to October. In August, September and October, though, the typhoon season is at its peak: check the forecast before you go. For a beach holiday – sea from 21 °C, warm and mostly dry – go from June to October. For sightseeing, day trips and hiking, conditions are most comfortable from April to June and from October to November. In August it can get very hot, with highs of up to 33 °C. The wettest month is June with 166 mm of precipitation.

Naoshima through the seasons

How the weather changes over the seasons, with averages for each.

Naoshima in spring

Mar – May

37

Poor

  • 14–25 °C by day
  • Sea 15 °C
  • 6.3 h of sun a day
  • 30 rainy days in all

Naoshima in summer

Jun – Aug

74

Good

  • 28–33 °C by day
  • Sea 25 °C
  • 6.2 h of sun a day
  • 30 rainy days in all

Naoshima in autumn

Sep – Nov

60

Good

  • 18–29 °C by day
  • Sea 24 °C
  • 5.1 h of sun a day
  • 27 rainy days in all

Naoshima in winter

Dec – Feb

18

Poor

  • 10–12 °C by day
  • Sea 14 °C
  • 4.8 h of sun a day
  • 29 rainy days in all

Which month for what?

Beach & swimming

Jun – Oct

Sea from 21 °C, warm and mostly dry

Sightseeing & hiking

Apr – Jun, Oct – Nov

15–28 °C and not too much rain

Peak heat

Aug

Highs of 33 °C or more

Find your perfect month

Tell us what you like and we rate every month in Naoshima for you.

Swimming in the sea
Sunshine
Little rain

Your best months: September

Based on the climate averages; tap a month to see its details.

Your holiday weather, at a glance

Weather in October

Weather in October

70

Holiday weather in October

Good

Best time to visit: May – October

October is the peak of the typhoon season Hurricane season

Good forBeach & swimmingSightseeing & walks

Keep in mindStorm season

A typical day in October

  1. Morning, 08:00: about 18°
  2. Midday, 13:00: about 23°
  3. Afternoon, 16:00: about 22°
  4. Evening, 20:00: about 19°
  5. Night, 23:00: about 17°

06:0817:31

Pleasant evenings; a light layer can help.

Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.

Light for photos in October

Golden hour
Morning 05:53–06:42 · evening 16:57–17:46
Blue hour
Morning 05:43–05:53 · evening 17:46–17:56

Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.

October in Naoshima compared with home

Home:

Loading the climate at home …

Early or late October?

In October, daytime highs fall from about 26° at the start of the month to 20° at the end. The sea cools from 25° to 22°. The days get 1.0 h shorter.

Early or late October?
October1 Oct31 Oct
Daytime high26°20°
Night-time low18°12°
Sea25°22°
Daylight11.9 h10.9 h

What is the weather like in Naoshima in October?

In October, Naoshima is warm: daytime highs average 23 °C, and nights cool down to about 15 °C. The sea averages 23.8 °C – pleasant for swimming. Expect around 5.3 hours of sunshine a day. Rain is frequent, with about 9 rainy days and 123 mm in total. All in all, October is a good month for a holiday in Naoshima.

More details for October

Daylight
11 h 23 min06:08 – 17:31
UV index
5 · moderateclear sky, noon (estimate)All months
Muggy days
4 daysdew point 18 °C or moreAll months
Wind
20 km/haverage daily peakAll months
Cloud cover
51 %on averageAll months
Hot days
0 days30 °C or moreAll months
Time zone
UTC+9offset from UTC

How the score comes together

  • Temperatureweight 35 %73 %
  • Seaweight 25 %97 %
  • Sunshineweight 20 %38 %
  • Few rainy daysweight 20 %64 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in October

  • Swimwear
  • Sunscreen
  • A jumper for the evenings
  • Rain jacket or umbrella

Compare two months in Naoshima

Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.

vs

September has the better holiday weather in Naoshima: score 78 against 70. In September, days are 6 °C warmer than in October. The sea is 3 °C warmer in September. September has 2 more rainy days.

October vs September, Naoshima
MonthOctoberSeptember
Holiday weather score7078better
Daytime high23°29°
Night-time low15°21°
Sea23.8°27.0°
Sunshine5.3 h5.3 h
Rainy days9better11
Rainfall123 mmbetter144 mm
Muggy days4better21

Based on the climate averages 1996–2025.

Naoshima month by month

The typical weather for every month at a glance.

17January10° · Sea 14° · 4.6 h

In January, Naoshima is cold: daytime highs average 10 °C, and nights cool down to about 2 °C. The sea averages 13.7 °C – swimming is only for the hardy. Expect around 4.6 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 54 mm in total. All in all, January is not an ideal month for a holiday in Naoshima.

Naoshima in January
19February11° · Sea 12° · 5.1 h

In February, Naoshima is cool: daytime highs average 11 °C, and nights cool down to about 2 °C. The sea averages 12.4 °C – swimming is only for the hardy. Expect around 5.1 hours of sunshine a day. Rain is frequent, with about 9 rainy days and 61 mm in total. All in all, February is not an ideal month for a holiday in Naoshima.

Naoshima in February
19March14° · Sea 13° · 5.6 h

In March, Naoshima is cool: daytime highs average 14 °C, and nights cool down to about 5 °C. The sea averages 12.8 °C – swimming is only for the hardy. Expect around 5.6 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 95 mm in total. All in all, March is not an ideal month for a holiday in Naoshima.

Naoshima in March
29April20° · Sea 15° · 6.5 h

In April, Naoshima is mild: daytime highs average 20 °C, and nights cool down to about 10 °C. The sea averages 14.8 °C – swimming is only for the hardy. The sun shines for around 6.5 hours a day. Rain is frequent, with about 10 rainy days and 105 mm in total. All in all, April is not an ideal month for a holiday in Naoshima.

Naoshima in April
63May25° · Sea 18° · 6.8 h

In May, Naoshima is warm: daytime highs average 25 °C, and nights cool down to about 15 °C. The sea averages 17.9 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 6.8 hours a day. Rain is frequent, with about 10 rainy days and 124 mm in total. All in all, May is a good month for a holiday in Naoshima.

Naoshima in May
69June28° · Sea 22° · 5.3 h

In June, Naoshima is hot: daytime highs average 28 °C, and even at night it stays warm at around 20 °C. The sea averages 21.7 °C – refreshing for a swim. Expect around 5.3 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 166 mm in total. The air is often humid and muggy. All in all, June is a good month for a holiday in Naoshima.

Naoshima in June
76July32° · Sea 25° · 6.2 h

In July, Naoshima is hot: daytime highs average 32 °C, and even at night it stays warm at around 24 °C. The sea averages 25.4 °C – pleasant for swimming. Expect around 6.2 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 160 mm in total. On about 25 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, July is a good month for a holiday in Naoshima.

Naoshima in July
77August33° · Sea 28° · 7.1 h

In August, Naoshima is very hot: daytime highs average 33 °C, and even at night it stays warm at around 25 °C. The sea averages 27.9 °C – lovely and warm for swimming. The sun shines for around 7.1 hours a day. Rain falls on about 8 days, adding up to 106 mm. On about 29 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, August is a good month for a holiday in Naoshima.

Naoshima in August
78September29° · Sea 27° · 5.3 h

In September, Naoshima is hot: daytime highs average 29 °C, and even at night it stays warm at around 21 °C. The sea averages 27.0 °C – lovely and warm for swimming. Expect around 5.3 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 144 mm in total. On about 11 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, September is a good month for a holiday in Naoshima.

Naoshima in September
70October23° · Sea 24° · 5.3 h

In October, Naoshima is warm: daytime highs average 23 °C, and nights cool down to about 15 °C. The sea averages 23.8 °C – pleasant for swimming. Expect around 5.3 hours of sunshine a day. Rain is frequent, with about 9 rainy days and 123 mm in total. All in all, October is a good month for a holiday in Naoshima.

Naoshima in October
31November18° · Sea 20° · 4.8 h

In November, Naoshima is mild: daytime highs average 18 °C, and nights cool down to about 9 °C. The sea averages 19.7 °C – bracing, so a wetsuit helps for longer swims. Expect around 4.8 hours of sunshine a day. Rain falls on about 8 days, adding up to 64 mm. All in all, November is not an ideal month for a holiday in Naoshima.

Naoshima in November
18December12° · Sea 16° · 4.6 h

In December, Naoshima is cool: daytime highs average 12 °C, and nights cool down to about 5 °C. The sea averages 16.2 °C – swimming is only for the hardy. Expect around 4.6 hours of sunshine a day. Rain is frequent, with about 9 rainy days and 56 mm in total. All in all, December is not an ideal month for a holiday in Naoshima.

Naoshima in December

Climate in detail

Year & climate table

Climate through the year

Long-term monthly averages. Tap a month to see its details.

Best time to visit

Nights and sleep in Naoshima

How warm the nights get in each month, from the mean night-time low. Tap a month for details.

  • Cold 0–8°
  • Cool 8–15°
  • Pleasant 15–20°
  • Warm 20–24°
  • Hot 24° and more
  • muggy month (15+ muggy days)

PleasantOctober: nights around 15°. Ideal for sleeping, often with the window open. Muggy on about 4 days (dew point 18 °C or more).

The coolest nights are in January (2°), the warmest in August (25°). Tropical nights of 20 °C and more are the rule from June to September; then air conditioning or a fan helps you sleep. Nights are pleasant for sleeping (15 to 20 °C) in May and in October. Nights fall below 8 °C on average from December to March, so the room should be heated. It is muggy (dew point 18 °C or more) on about 106 days a year, mostly from June to September.

Temperatures through the year

Average daytime high, night-time low and sea temperature per month.

OctoberDay 23°Night 15°Sea 24°
DayNightSea
MonthScoreDayNightSeaSunRain daysRain mm
JanuaryJan1710°2°13.7°4.6 h1054
FebruaryFeb1911°2°12.4°5.1 h961
MarchMar1914°5°12.8°5.6 h1195
AprilApr2920°10°14.8°6.5 h10105
MayMay6325°15°17.9°6.8 h10124
JuneJun6928°20°21.7°5.3 h11166
JulyJul7632°24°25.4°6.2 h11160
AugustAug7733°25°27.9°7.1 h8106
SeptemberSep7829°21°27.0°5.3 h11144
OctoberOct7023°15°23.8°5.3 h9123
NovemberNov3118°9°19.7°4.8 h864
DecemberDec1812°5°16.2°4.6 h956

Climate averages 1996–2025 (sunshine partly WMO station normals 1991–2020), not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences

34.46° N, 134.00° E · 5 m · Asia/Tokyo

Sea temperature
Swimming calendar

Sea temperature in Naoshima

Monthly sea surface temperature with the range of cooler and warmer years.

Sea in October23.8°Cpleasant

8 in 10 years: 22.9 – 24.7 °C

Swimming season: Jun – Oct

  • cold
  • fresh
  • refreshing
  • pleasant
  • warm
  • very warm
OctoberMean sea temperature 23.8°8 in 10 years 22.9° – 24.7°
20°
Mean sea temperature8 in 10 years20 °C – comfortable for swimming

The sea temperature in Naoshima ranges from 12.4 °C in February to 27.9 °C in August. It is warm enough for a comfortable swim (20 °C and more) from June to October.

From October to February the sea is even warmer than the afternoon air. The sea temperature varies from year to year: in August, eight out of ten years were between 26.8 and 29.0 °C.

Sea temperature by month
MonthAverageCool yearWarm yearFeels
JanuaryJan13.7°12.0°16.4°cold
FebruaryFeb12.4°10.2°15.7°cold
MarchMar12.8°10.9°16.1°cold
AprilApr14.8°13.4°16.8°cold
MayMay17.9°17.0°18.7°fresh
JuneJun21.7°21.1°22.3°refreshing
JulyJul25.4°24.3°26.5°pleasant
AugustAug27.9°26.8°29.0°warm
SeptemberSep27.0°26.1°28.5°warm
OctoberOct23.8°22.9°24.7°pleasant
NovemberNov19.7°19.1°20.3°fresh
DecemberDec16.2°15.1°17.5°cold
Sunshine
Sunshine

Sunshine hours in Naoshima

Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.

Per year
2,050 hours
Sunniest month
Aug · 7.1 h a day
Least sunshine
Jan · 4.6 h a day
OctoberSunshine 5.3 hDaylight 11.4 hShare of daylight 46 %
SunshineDaylight

In October, the sun shines for about 5.3 of 11.4 hours of daylight in Naoshima, 46 % of the daylight hours.

Sunshine hours: measured at the weather station 17 km away, averages 1991–2020 (WMO climate normals). Daylight is the time from sunrise to sunset on the 15th of the month.

Rain
Rain

Rain in Naoshima: rainy days and rainfall

A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.

Per year
1,259 mm on 116 days
Wettest month
Jun · 166 mm
Driest month
Jan · 54 mm
OctoberRainy days 9Rainfall 123 mm

In October, Naoshima has about 9 rainy days with 123 mm of rain in total.

UV index
Sun protection

UV index in Naoshima

How strong the sun is at noon, month by month, and how quickly unprotected skin burns.

Clear-sky UV in October
5 · moderateAround midday seek shade; use sunscreen, a hat and sunglasses.

The sun is strongest in June (UV 11).

Minutes until sunburn in October

Very fair skin
about 25 min
Fair skin
about 30 min
Light brown skin
about 45 min
Olive skin
about 55 min

Rough guide for unprotected skin at noon under a clear sky; clouds lengthen the time, water, sand and snow shorten it. Sunscreen extends the time only partly.

Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.

Wind & clouds
Wind & clouds

Wind and clouds in Naoshima

How breezy and how cloudy Naoshima is through the year. Tap a month to select it on the whole page.

Wind

Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.

Year average
21 km/h · moderate breeze
Windiest month
Jan · 26 km/h
Calmest month
Jul · 17 km/h
OctoberWind 20 km/hBeaufort 4
20
WindBeaufort 4

In October, the wind in Naoshima typically peaks at 20 km/h during the day: Beaufort 4, moderate breeze.

Breezy months for windsurfing and kiting

From Beaufort 4 (20 km/h) the daily breeze is usually enough for windsurfing and often for kiting: Oct – Apr.

Clouds

Average share of the sky covered by cloud, day and night.

Year average
58 % · variable cloud
Clearest month
Dec · 50 %
Cloudiest month
Jun · 75 %
OctoberCloud cover 51 %Sunshine 5.3 h

In October, cloud covers on average 51 % of the sky over Naoshima: variable cloud, with about 5.3 hours of sunshine a day.

Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.

Heat & humidity
Heat & humidity

Heat and humidity in Naoshima

How often the day gets hot in Naoshima (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.

Hot days a year
71 days
Hottest month
Aug · 33 °C
Hot months
Jul – Aug

Heat calendar

  • pleasant
  • some hot or muggy days
  • often muggy
  • often hot
  • hot and muggy
OctoberHot days (30 °C+) 0Daytime high 23 °C

In October, Naoshima has about 0 hot days, with an average daytime high of 23 °C: pleasant. Heat plays no part this month.

Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year

Planning a trip to Naoshima

Weather for your travel dates

Pick your arrival and length of stay, and we sum up the weather to expect.

Naoshima in the school holidays

How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.

Naoshima has its best school-holiday weather during the summer holidays (score 77) and its weakest during the Christmas holidays (score 18).

  • Easter holidays

    Mar – Apr

    26

    Poor

    • 18 °C by day
    • Sea 14 °C
    • 6.2 h of sun a day
    • 10 rainy days a month
  • May half-term

    May – Jun

    64

    Good

    • 26 °C by day
    • Sea 19 °C
    • 6.5 h of sun a day
    • 10 rainy days a month

    Good for: Sightseeing & walks

  • Summer holidays

    Jul – Aug

    77

    GoodBest holidays

    • 33 °C by day
    • Sea 27 °C
    • 6.8 h of sun a day
    • 9 rainy days a month

    Good for: Beach & swimming

    Keep in mind: Peak heat, Storm season

  • October half-term

    Oct

    70

    Good

    • 23 °C by day
    • Sea 24 °C
    • 5.3 h of sun a day
    • 9 rainy days a month

    Good for: Beach & swimming, Sightseeing & walks

    Keep in mind: Storm season

  • Christmas holidays

    Dec – Jan

    18

    Poor

    • 11 °C by day
    • Sea 15 °C
    • 4.6 h of sun a day
    • 10 rainy days a month

Based on the climate averages 1996–2025.

Getting there

Flying from

Nonstop flight
about 11 h 55 min
Distance
9,480 km
Time zone
UTC+9
Jet lag
About 8 days (8 h east)

Rule of thumb for flying east: for a few days before, go to bed and get up a little earlier, and get plenty of morning light at your destination.

Most routes need a change of planes, which adds time.

Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.

Good to know: Japan

Currency
Japanese Yen (JPY)
Language
Japanese
Sockets
Type A, B · 100 V
Traffic
Drives on the left
Dialling code
+81

UK plugs need a travel adapter

Only 100 V: chargers marked 100–240 V work, other devices need a voltage converter.

Sources: GeoNames (CC BY 4.0) and Wikidata (CC0). Please check details before you travel.

Storm season

Naoshima lies in an area that Pacific typhoons can reach. The typhoon season runs from June to November, with most storms from August to October. A direct hit on any one place is rare, but if you travel then, keep an eye on weather warnings and book flexibly.

  1. January
  2. February
  3. March
  4. April
  5. May
  6. June: Season
  7. July: Season
  8. August: Peak
  9. September: Peak
  10. October: Peak
  11. November: Season
  12. December

Official season dates of the regional warning centres (NOAA, JMA, IMD, Météo-France, BoM, Fiji Meteorological Service); not a forecast.

Compare & alternatives

Compare with another place
Compare

Naoshima compared

Put Naoshima side by side with another destination.

Nearby:
Compare with home:

Naoshima vs Takamatsu

In October the holiday weather in Naoshima and Takamatsu is about equally good (score 70 vs 68). During the day it is about as warm in Takamatsu as in Naoshima. The sea is about equally warm.

Naoshima vs Takamatsu, in October
in OctoberNaoshimaTakamatsu
Holiday weather score7068
Daytime high23°23°
Sea24°24°
Sunshine5 h5 h
Rainy days99
Best timeMay – OctApr – Jun, Oct – Nov

Through the year

OctoberNaoshima 23°Takamatsu 23°
NaoshimaTakamatsu
Go to Takamatsu
Best places in the country
Ranking

Japan in October: the best places

In October, Naoshima ranks 25 among the 31 nearest destinations in this country.

  1. Kure23°23°81
  2. 2Hiroshima24°23°81
  3. 3Yamaguchi23°80
  4. 4Fukuyama24°24°79
  5. 5Ōita24°23°79
  6. 6Matsuyama24°23°78
  7. 7Takamatsu23°24°77
  8. 8Okayama24°24°77
  9. 25NaoshimaThis page23°24°70
All destinations: Japan
Places nearby

Near Naoshima

Other destinations close by.

Places with a similar climate

Places with a climate like Naoshima

Destinations whose weather through the year is closest to Naoshima's – good alternatives.

  1. 86 % similar73IwakuniJapan24°23°Best time: Jul – Oct
  2. 85 % similar75ItsukushimaJapan24°23°Best time: Jul – Oct
  3. 84 % similar80ShimonosekiJapan24°23°Best time: Apr – May, Oct – Nov
  4. 81 % similar79KitakyūshūJapan24°23°Best time: Apr – May, Oct – Nov

Frequently asked questions about Naoshima

When is the best time to visit Naoshima?

The best time to visit Naoshima is from May to October. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.

How warm is the sea in Naoshima?

The sea temperature in Naoshima ranges from 12.4 °C in February to 27.9 °C in August. It is warm enough for a comfortable swim (20 °C and more) from June to October.

Can you swim in Naoshima in October?

Yes. In October the sea averages 23.8 °C – pleasant for swimming.

What is the warmest month in Naoshima?

August is the warmest month, with average highs of 33 °C and nights around 25 °C. January is the coolest month at 10 °C.

When does it rain most in Naoshima?

The wettest month is June with 166 mm of precipitation. The driest month is January with 54 mm.

How many hours of sunshine does Naoshima get?

Naoshima gets around 2,050 hours of sunshine a year. The sunniest month is August with 7.1 hours a day; in January there are 4.6 hours a day.

What time zone is Naoshima in?

Naoshima is on UTC+9 all year.

How long is the flight from London to Naoshima?

A nonstop flight from London to Naoshima takes about 11 h 55 min, for a straight-line distance of about 9,480 km. Most routes need a change of planes, which adds time.

When is typhoon season in Naoshima?

Naoshima lies in an area that Pacific typhoons can reach. The typhoon season runs from June to November, with most storms from August to October. A direct hit on any one place is rare, but if you travel then, keep an eye on weather warnings and book flexibly.

Which school holidays are best for Naoshima?

Naoshima has its best school-holiday weather during the summer holidays (score 77) and its weakest during the Christmas holidays (score 18). Holiday ratings (0–100): Easter holidays 26, May half-term 64, summer holidays 77, October half-term 70, Christmas holidays 18.