AI-generatedIki Island at a glance
- Best time
- Jul – Oct
- Warmest month
- Aug · 30°
- Warmest sea
- Aug · 27.5°
- Sunshine a year
- 1,870 h
- Rain a year
- 1,696 mm
- Climate
- Temperate
- Time zone
- UTC+9
- Elevation
- 45 m
Climate in Iki Island
Iki Island has a temperate climate with warm summers and cool winters. August is the warmest month with average highs of 30 °C, while January is the coolest at 10 °C. With around 1,870 hours of sunshine a year, Iki Island is moderately sunny; May is the sunniest month with 6.3 hours a day.
Holiday weather through the year
Best time to visit Iki Island
The best time to visit Iki Island is from July to October. In August, September and October, though, the typhoon season is at its peak: check the forecast before you go. The sea reaches 27.5 °C in August, but rain or cool air gets in the way of a classic beach holiday. For sightseeing, day trips and hiking, conditions are most comfortable from April to May and from October to November. The wettest month is June with 266 mm of precipitation.
Iki Island through the seasons
How the weather changes over the seasons, with averages for each.
Iki Island in spring
Mar – May
Poor
- 14–22 °C by day
- Sea 16 °C
- 5.9 h of sun a day
- 32 rainy days in all
Iki Island in summer
Jun – Aug
Good
- 24–30 °C by day
- Sea 25 °C
- 5.3 h of sun a day
- 45 rainy days in all
Iki Island in autumn
Sep – Nov
Fair
- 18–27 °C by day
- Sea 24 °C
- 5.3 h of sun a day
- 31 rainy days in all
Iki Island in winter
Dec – Feb
Poor
- 10–13 °C by day
- Sea 16 °C
- 3.9 h of sun a day
- 34 rainy days in all
Which month for what?
Beach & swimming
No month
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Apr – May, Oct – Nov
15–28 °C and not too much rain
Rainy months
Jun
Rainy season or more than 12 rainy days
Find your perfect month
Tell us what you like and we rate every month in Iki Island for you.
Your best months: July – September
Based on the climate averages; tap a month to see its details.
Weather in October
Weather in October
Holiday weather in October
Good
Best time to visit: July – October
October is the peak of the typhoon season Hurricane season
Where to go in OctoberSea temperature in October
Good forSightseeing & walks
Keep in mindStorm season
A typical day in October
- Morning, 08:00: about 19°
- Midday, 13:00: about 23°
- Afternoon, 16:00: about 22°
- Evening, 20:00: about 20°
- Night, 23:00: about 19°
06:2517:49
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 06:09–06:58 · evening 17:15–18:04
- Blue hour
- Morning 06:00–06:09 · evening 18:04–18:14
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 Iki Island compared with home
Loading the climate at home …
Early or late October?
In October, daytime highs fall from about 25° 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.
| October | 1 Oct | 31 Oct |
|---|---|---|
| Daytime high | 25° | 20° |
| Night-time low | 20° | 15° |
| Sea | 25° | 22° |
| Daylight | 11.9 h | 10.9 h |
What is the weather like in Iki Island in October?
In October, Iki Island is warm: daytime highs average 23 °C, and nights cool down to about 18 °C. The sea averages 23.6 °C – pleasant for swimming. Expect around 5.9 hours of sunshine a day. Rain falls on about 9 days, adding up to 102 mm. All in all, October is a good month for a holiday in Iki Island.
More details for October
- Daylight
- 11 h 24 min06:25 – 17:49
- UV index
- 6 · highclear sky, noon (estimate)All months
- Muggy days
- 5 daysdew point 18 °C or moreAll months
- Wind
- 20 km/haverage daily peakAll months
- Cloud cover
- 49 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC+9offset from UTC
How the score comes together
- Temperatureweight 35 %63 %
- Seaweight 25 %94 %
- Sunshineweight 20 %48 %
- Few rainy daysweight 20 %68 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in October
- Swimwear
- Sunscreen
- Rain jacket or umbrella
Compare two months in Iki Island
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
August has the better holiday weather in Iki Island: score 76 against 69. In August, days are 7 °C warmer than in October. The sea is 4 °C warmer in August. August has 5 more rainy days.
| Month | October | August |
|---|---|---|
| Holiday weather score | 69 | 76better |
| Daytime high | 23° | 30° |
| Night-time low | 18° | 25° |
| Sea | 23.6° | 27.5° |
| Sunshine | 5.9 h | 6.3 h |
| Rainy days | 9better | 14 |
| Rainfall | 102 mmbetter | 180 mm |
| Muggy days | 5better | 31 |
Based on the climate averages 1996–2025.
Iki Island month by month
The typical weather for every month at a glance.
11January10° · Sea 16° · 3.5 h
In January, Iki Island is cool: daytime highs average 10 °C, and nights cool down to about 5 °C. The sea averages 16.0 °C – swimming is only for the hardy. The sun is scarce, with only about 3.5 hours a day. Rain is frequent, with about 12 rainy days and 75 mm in total. All in all, January is not an ideal month for a holiday in Iki Island.
Iki Island in January15February11° · Sea 15° · 4.5 h
In February, Iki Island is cool: daytime highs average 11 °C, and nights cool down to about 6 °C. The sea averages 14.7 °C – swimming is only for the hardy. Expect around 4.5 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 83 mm in total. All in all, February is not an ideal month for a holiday in Iki Island.
Iki Island in February17March14° · Sea 15° · 5.2 h
In March, Iki Island is cool: daytime highs average 14 °C, and nights cool down to about 9 °C. The sea averages 14.7 °C – swimming is only for the hardy. Expect around 5.2 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 119 mm in total. All in all, March is not an ideal month for a holiday in Iki Island.
Iki Island in March21April18° · Sea 16° · 6.2 h
In April, Iki Island is mild: daytime highs average 18 °C, and nights cool down to about 13 °C. The sea averages 15.9 °C – swimming is only for the hardy. Expect around 6.2 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 132 mm in total. All in all, April is not an ideal month for a holiday in Iki Island.
Iki Island in April42May22° · Sea 18° · 6.3 h
In May, Iki Island is warm: daytime highs average 22 °C, and nights cool down to about 16 °C. The sea averages 18.4 °C – bracing, so a wetsuit helps for longer swims. Expect around 6.3 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 146 mm in total. All in all, May is a so-so month for a holiday in Iki Island.
Iki Island in May56June24° · Sea 21° · 4.5 h
In June, Iki Island is warm: daytime highs average 24 °C, and even at night it stays warm at around 20 °C. The sea averages 21.3 °C – refreshing for a swim. Expect around 4.5 hours of sunshine a day. It rains often – on about 15 days, adding up to 266 mm. The air is often humid and muggy. All in all, June is a so-so month for a holiday in Iki Island.
Iki Island in June70July28° · Sea 25° · 5.2 h
In July, Iki Island is hot: daytime highs average 28 °C, and even at night it stays warm at around 24 °C. The sea averages 24.9 °C – pleasant for swimming. Expect around 5.2 hours of sunshine a day. It rains often – on about 16 days, adding up to 243 mm. On about 6 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 Iki Island.
Iki Island in July76August30° · Sea 28° · 6.3 h
In August, Iki Island is hot: daytime highs average 30 °C, and even at night it stays warm at around 25 °C. The sea averages 27.5 °C – lovely and warm for swimming. Expect around 6.3 hours of sunshine a day. It rains often – on about 14 days, adding up to 180 mm. On about 18 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 Iki Island.
Iki Island in August75September27° · Sea 26° · 5.5 h
In September, Iki Island is hot: daytime highs average 27 °C, and even at night it stays warm at around 22 °C. The sea averages 26.1 °C – lovely and warm for swimming. Expect around 5.5 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 174 mm in total. The air is often humid and muggy. All in all, September is a good month for a holiday in Iki Island.
Iki Island in September69October23° · Sea 24° · 5.9 h
In October, Iki Island is warm: daytime highs average 23 °C, and nights cool down to about 18 °C. The sea averages 23.6 °C – pleasant for swimming. Expect around 5.9 hours of sunshine a day. Rain falls on about 9 days, adding up to 102 mm. All in all, October is a good month for a holiday in Iki Island.
Iki Island in October32November18° · Sea 21° · 4.6 h
In November, Iki Island is mild: daytime highs average 18 °C, and nights cool down to about 12 °C. The sea averages 21.1 °C – refreshing for a swim. Expect around 4.6 hours of sunshine a day. Rain is frequent, with about 9 rainy days and 99 mm in total. All in all, November is not an ideal month for a holiday in Iki Island.
Iki Island in November18December13° · Sea 19° · 3.8 h
In December, Iki Island is cool: daytime highs average 13 °C, and nights cool down to about 7 °C. The sea averages 18.5 °C – bracing, so a wetsuit helps for longer swims. The sun is scarce, with only about 3.8 hours a day. Rain is frequent, with about 11 rainy days and 79 mm in total. All in all, December is not an ideal month for a holiday in Iki Island.
Iki Island in DecemberClimate in detail
Year & climate table
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Iki Island
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 18°. Ideal for sleeping, often with the window open. Muggy on about 5 days (dew point 18 °C or more).
The coolest nights are in January (5°), 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 February, so the room should be heated. It is muggy (dew point 18 °C or more) on about 113 days a year, mostly from June to September.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sea | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|---|
| JanuaryJan | 11 | 10° | 5° | 16.0° | 3.5 h | 12 | 75 |
| FebruaryFeb | 15 | 11° | 6° | 14.7° | 4.5 h | 11 | 83 |
| MarchMar | 17 | 14° | 9° | 14.7° | 5.2 h | 11 | 119 |
| AprilApr | 21 | 18° | 13° | 15.9° | 6.2 h | 11 | 132 |
| MayMay | 42 | 22° | 16° | 18.4° | 6.3 h | 10 | 146 |
| JuneJun | 56 | 24° | 20° | 21.3° | 4.5 h | 15 | 266 |
| JulyJul | 70 | 28° | 24° | 24.9° | 5.2 h | 16 | 243 |
| AugustAug | 76 | 30° | 25° | 27.5° | 6.3 h | 14 | 180 |
| SeptemberSep | 75 | 27° | 22° | 26.1° | 5.5 h | 13 | 174 |
| OctoberOct | 69 | 23° | 18° | 23.6° | 5.9 h | 9 | 102 |
| NovemberNov | 32 | 18° | 12° | 21.1° | 4.6 h | 9 | 99 |
| DecemberDec | 18 | 13° | 7° | 18.5° | 3.8 h | 11 | 79 |
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
33.78° N, 129.72° E · 45 m · Asia/Tokyo
Sea temperature
Sea temperature in Iki Island
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 22.5 – 24.4 °C
Swimming season: Jun – Nov
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Iki Island ranges from 14.7 °C in February to 27.5 °C in August. It is warm enough for a comfortable swim (20 °C and more) from June to November.
From October to March 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 25.9 and 28.8 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 16.0° | 15.3° | 16.6° | cold |
| FebruaryFeb | 14.7° | 14.0° | 15.3° | cold |
| MarchMar | 14.7° | 13.9° | 15.3° | cold |
| AprilApr | 15.9° | 15.1° | 17.1° | cold |
| MayMay | 18.4° | 17.6° | 19.0° | fresh |
| JuneJun | 21.3° | 20.3° | 22.3° | refreshing |
| JulyJul | 24.9° | 23.4° | 26.1° | pleasant |
| AugustAug | 27.5° | 25.9° | 28.8° | warm |
| SeptemberSep | 26.1° | 25.0° | 27.1° | warm |
| OctoberOct | 23.6° | 22.5° | 24.4° | pleasant |
| NovemberNov | 21.1° | 20.5° | 21.6° | refreshing |
| DecemberDec | 18.5° | 17.9° | 19.0° | fresh |
Sunshine
Sunshine hours in Iki Island
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 5.9 of 11.4 hours of daylight in Iki Island, 52 % of the daylight hours.
Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.
Rain
Rain in Iki Island: 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.
In October, Iki Island has about 9 rainy days with 102 mm of rain in total.
UV index
UV index in Iki Island
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 6 · highSeek shade around midday; sunscreen SPF 30+, 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 40 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 and clouds in Iki Island
How breezy and how cloudy Iki Island 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.
In October, the wind in Iki Island 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.
In October, cloud covers on average 49 % of the sky over Iki Island: variable cloud, with about 5.9 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 and humidity in Iki Island
How often the day gets hot in Iki Island (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.
Heat calendar
- pleasant
- some hot or muggy days
- often muggy
- often hot
- hot and muggy
In October, Iki Island has about 0 hot days, with an average daytime high of 23 °C: some hot or muggy days. Single hot or muggy days are possible; a hat and water bottle are enough.
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 Iki Island
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Iki Island 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.
Iki Island has its best school-holiday weather during the summer holidays (score 74) and its weakest during the Christmas holidays (score 15).
- 20
Easter holidays
Mar – Apr
Poor
- 17 °C by day
- Sea 16 °C
- 5.9 h of sun a day
- 11 rainy days a month
- 45
May half-term
May – Jun
Fair
- 22 °C by day
- Sea 19 °C
- 5.9 h of sun a day
- 11 rainy days a month
Good for: Sightseeing & walks
- 74
Summer holidays
Jul – Aug
GoodBest holidays
- 30 °C by day
- Sea 27 °C
- 5.9 h of sun a day
- 15 rainy days a month
Keep in mind: Storm season
- 69
October half-term
Oct
Good
- 23 °C by day
- Sea 24 °C
- 5.9 h of sun a day
- 9 rainy days a month
Good for: Sightseeing & walks
Keep in mind: Storm season
- 15
Christmas holidays
Dec – Jan
Poor
- 12 °C by day
- Sea 17 °C
- 3.7 h of sun a day
- 12 rainy days a month
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 11 h 45 min
- Distance
- 9,360 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
Iki Island 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.
- January
- February
- March
- April
- May
- June: Season
- July: Season
- August: Peak
- September: Peak
- October: Peak
- November: Season
- 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
Iki Island compared
Put Iki Island side by side with another destination.
Iki Island vs Fukuoka
In October Fukuoka has the better holiday weather (score 75 vs 69). During the day Fukuoka is 1 °C warmer than Iki Island. The sea in Fukuoka is 1 °C cooler.
| in October | Iki Island | Fukuoka |
|---|---|---|
| Holiday weather score | 69 | 75 |
| Daytime high | 23° | 24° |
| Sea | 24° | 23° |
| Sunshine | 6 h | 6 h |
| Rainy days | 9 | 8 |
| Best time | Jul – Oct | Apr – May, Oct – Nov |
Through the year
Best places in the country
Japan in October: the best places
In October, Iki Island ranks 30 among the 31 nearest destinations in this country.
- Sasebo24°24°82
- 2Fukuoka24°23°81
- 3Nagasaki24°24°81
- 4Minamata25°25°81
- 5Hiroshima24°23°81
- 6Kure23°23°81
- 7Saga24°23°80
- 8Shimonoseki24°23°80
- 30Iki IslandThis page23°24°69
Places nearby
Near Iki Island
Other destinations close by.
Places with a similar climate
Places with a climate like Iki Island
Destinations whose weather through the year is closest to Iki Island's – good alternatives.
Frequently asked questions about Iki Island
When is the best time to visit Iki Island?
The best time to visit Iki Island is from July to October. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Iki Island?
The sea temperature in Iki Island ranges from 14.7 °C in February to 27.5 °C in August. It is warm enough for a comfortable swim (20 °C and more) from June to November.
Can you swim in Iki Island in October?
Yes. In October the sea averages 23.6 °C – pleasant for swimming.
What is the warmest month in Iki Island?
August is the warmest month, with average highs of 30 °C and nights around 25 °C. January is the coolest month at 10 °C.
When does it rain most in Iki Island?
The wettest month is June with 266 mm of precipitation. The driest month is January with 75 mm.
How many hours of sunshine does Iki Island get?
Iki Island gets around 1,870 hours of sunshine a year. The sunniest month is May with 6.3 hours a day; in January there are 3.5 hours a day.
What time zone is Iki Island in?
Iki Island is on UTC+9 all year.
How long is the flight from London to Iki Island?
A nonstop flight from London to Iki Island takes about 11 h 45 min, for a straight-line distance of about 9,360 km. Most routes need a change of planes, which adds time.
When is typhoon season in Iki Island?
Iki Island 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 Iki Island?
Iki Island has its best school-holiday weather during the summer holidays (score 74) and its weakest during the Christmas holidays (score 15). Holiday ratings (0–100): Easter holidays 20, May half-term 45, summer holidays 74, October half-term 69, Christmas holidays 15.