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Urayasu weather & best time to visit

City break

Urayasu at a glance

Best time
Apr – Jun, Oct – Nov
Warmest month
Aug · 32°
Warmest sea
Aug · 26.2°
Sunshine a year
1,930 h
Rain a year
1,421 mm
Climate
Temperate
Time zone
UTC+9
Elevation
7 m

Climate in Urayasu

Urayasu has a temperate climate with warm summers and cool winters. August is the warmest month with average highs of 32 °C, while January is the coolest at 10 °C. With around 1,930 hours of sunshine a year, Urayasu is moderately sunny; January is the sunniest month with 6.2 hours a day.

Holiday weather through the year

Best time to visit

Best time to visit Urayasu

The best time to visit Urayasu is from April to June and from October to November. In 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 in August. For sightseeing, day trips and hiking, conditions are most comfortable from April to May and in November. Rain is frequent in July and in September; the wettest month is October with 193 mm.

Urayasu through the seasons

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

Urayasu in spring

Mar – May

67

Good

  • 15–24 °C by day
  • Sea 15 °C
  • 5.8 h of sun a day
  • 35 rainy days in all

Urayasu in summer

Jun – Aug

52

Fair

  • 26–32 °C by day
  • Sea 24 °C
  • 4.9 h of sun a day
  • 38 rainy days in all

Urayasu in autumn

Sep – Nov

64

Good

  • 17–28 °C by day
  • Sea 22 °C
  • 4.5 h of sun a day
  • 37 rainy days in all

Urayasu in winter

Dec – Feb

49

Fair

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

Which month for what?

Beach & swimming

Aug

Sea from 21 °C, warm and mostly dry

Sightseeing & hiking

Apr – May, Nov

15–28 °C and not too much rain

Rainy months

Jul, Sep

Rainy season or more than 12 rainy days

Find your perfect month

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

Swimming in the sea
Sunshine
Little rain

Your best months: May, October

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

Your holiday weather, at a glance

Weather in October

Weather in October

65

Holiday weather in October

Good

Best time to visit: April – June, October – November

October is the peak of the typhoon season Hurricane season

Keep in mindStorm season

A typical day in October

  1. Morning, 08:00: about 18°
  2. Midday, 13:00: about 22°
  3. Afternoon, 16:00: about 21°
  4. Evening, 20:00: about 18°
  5. Night, 23:00: about 17°

05:4617:06

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 05:30–06:20 · evening 16:32–17:22
Blue hour
Morning 05:20–05:30 · evening 17:22–17:32

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 Urayasu compared with home

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 23° to 20°. The days get 1.0 h shorter.

Early or late October?
October1 Oct31 Oct
Daytime high25°20°
Night-time low18°12°
Sea23°20°
Daylight11.9 h10.8 h

What is the weather like in Urayasu in October?

In October, Urayasu is warm: daytime highs average 22 °C, and nights cool down to about 15 °C. The sea averages 21.7 °C – refreshing for a swim. Expect around 4.2 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 193 mm in total. All in all, October is a good month for a holiday in Urayasu.

More details for October

Daylight
11 h 21 min05:46 – 17:06
UV index
5 · moderateclear sky, noon (estimate)All months
Muggy days
4 daysdew point 18 °C or moreAll months
Wind
18 km/haverage daily peakAll months
Cloud cover
62 %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 50 %100 %
  • Sunshineweight 20 %20 %
  • Few rainy daysweight 30 %36 %

Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.

What to pack in October

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

Compare two months in Urayasu

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

vs

April has the better holiday weather in Urayasu: score 74 against 65. In April, days are 2 °C cooler than in October. The sea is 7 °C cooler in April. April has one rainy day fewer. The sun shines 2 hours longer a day in April.

October vs April, Urayasu
MonthOctoberApril
Holiday weather score6574better
Daytime high22°20°
Night-time low15°10°
Sea21.7°15.0°
Sunshine4.2 h6.0 hbetter
Rainy days1312better
Rainfall193 mm121 mmbetter
Muggy days40better

Based on the climate averages 1996–2025.

Urayasu month by month

The typical weather for every month at a glance.

46January10° · Sea 13° · 6.2 h

In January, Urayasu is cool: daytime highs average 10 °C, and nights cool down to about 2 °C. The sea averages 13.1 °C – swimming is only for the hardy. Expect around 6.2 hours of sunshine a day. Rain falls on about 6 days, adding up to 62 mm. All in all, January is a so-so month for a holiday in Urayasu.

Urayasu in January
48February11° · Sea 12° · 6.0 h

In February, Urayasu is cool: daytime highs average 11 °C, and nights cool down to about 2 °C. The sea averages 12.1 °C – swimming is only for the hardy. Expect around 6.0 hours of sunshine a day. Rain falls on about 8 days, adding up to 62 mm. All in all, February is a so-so month for a holiday in Urayasu.

Urayasu in February
56March15° · Sea 13° · 5.7 h

In March, Urayasu is cool: daytime highs average 15 °C, and nights cool down to about 5 °C. The sea averages 12.9 °C – swimming is only for the hardy. Expect around 5.7 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 111 mm in total. All in all, March is a so-so month for a holiday in Urayasu.

Urayasu in March
74April20° · Sea 15° · 6.0 h

In April, Urayasu is mild: daytime highs average 20 °C, and nights cool down to about 10 °C. The sea averages 15.0 °C – swimming is only for the hardy. Expect around 6.0 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 121 mm in total. All in all, April is a good month for a holiday in Urayasu.

Urayasu in April
72May24° · Sea 18° · 5.8 h

In May, Urayasu is warm: daytime highs average 24 °C, and nights cool down to about 15 °C. The sea averages 18.1 °C – bracing, so a wetsuit helps for longer swims. Expect around 5.8 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 134 mm in total. All in all, May is a good month for a holiday in Urayasu.

Urayasu in May
63June26° · Sea 21° · 4.1 h

In June, Urayasu is warm: daytime highs average 26 °C, and nights cool down to about 19 °C. The sea averages 21.1 °C – refreshing for a swim. Expect around 4.1 hours of sunshine a day. Rain is frequent, with about 14 rainy days and 160 mm in total. The air is often humid and muggy. All in all, June is a good month for a holiday in Urayasu.

Urayasu in June
47July30° · Sea 24° · 4.9 h

In July, Urayasu is hot: daytime highs average 30 °C, and even at night it stays warm at around 23 °C. The sea averages 23.9 °C – pleasant for swimming. Expect around 4.9 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 149 mm in total. On about 18 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, July is a so-so month for a holiday in Urayasu.

Urayasu in July
45August32° · Sea 26° · 5.6 h

In August, Urayasu is hot: daytime highs average 32 °C, and even at night it stays warm at around 24 °C. The sea averages 26.2 °C – lovely and warm for swimming. Expect around 5.6 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 108 mm in total. On about 24 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, August is a so-so month for a holiday in Urayasu.

Urayasu in August
59September28° · Sea 25° · 4.2 h

In September, Urayasu is hot: daytime highs average 28 °C, and even at night it stays warm at around 21 °C. The sea averages 25.0 °C – pleasant for swimming. Expect around 4.2 hours of sunshine a day. Rain is frequent, with about 14 rainy days and 167 mm in total. On about 8 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, September is a so-so month for a holiday in Urayasu.

Urayasu in September
65October22° · Sea 22° · 4.2 h

In October, Urayasu is warm: daytime highs average 22 °C, and nights cool down to about 15 °C. The sea averages 21.7 °C – refreshing for a swim. Expect around 4.2 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 193 mm in total. All in all, October is a good month for a holiday in Urayasu.

Urayasu in October
69November17° · Sea 19° · 5.0 h

In November, Urayasu is mild: daytime highs average 17 °C, and nights cool down to about 9 °C. The sea averages 18.6 °C – bracing, so a wetsuit helps for longer swims. Expect around 5.0 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 93 mm in total. All in all, November is a good month for a holiday in Urayasu.

Urayasu in November
53December12° · Sea 16° · 5.6 h

In December, Urayasu is cool: daytime highs average 12 °C, and nights cool down to about 4 °C. The sea averages 15.5 °C – swimming is only for the hardy. Expect around 5.6 hours of sunshine a day. Rain falls on about 7 days, adding up to 62 mm. All in all, December is a so-so month for a holiday in Urayasu.

Urayasu in December

Climate in detail

Climate through the year

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

Best time to visit

Nights and sleep in Urayasu

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 (24°). Tropical nights of 20 °C and more are the rule from July to September; then air conditioning or a fan helps you sleep. Nights are pleasant for sleeping (15 to 20 °C) from May to June 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 103 days a year, mostly from June to September.

Temperatures through the year

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

OctoberDay 22°Night 15°Sea 22°
DayNightSea
MonthScoreDayNightSeaSunRain daysRain mm
JanuaryJan4610°2°13.1°6.2 h662
FebruaryFeb4811°2°12.1°6.0 h862
MarchMar5615°5°12.9°5.7 h11111
AprilApr7420°10°15.0°6.0 h12121
MayMay7224°15°18.1°5.8 h12134
JuneJun6326°19°21.1°4.1 h14160
JulyJul4730°23°23.9°4.9 h13149
AugustAug4532°24°26.2°5.6 h11108
SeptemberSep5928°21°25.0°4.2 h14167
OctoberOct6522°15°21.7°4.2 h13193
NovemberNov6917°9°18.6°5.0 h1093
DecemberDec5312°4°15.5°5.6 h762

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

35.66° N, 139.90° E · 7 m · Asia/Tokyo

Swimming calendar

Sea temperature in Urayasu

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

Sea in October21.7°Crefreshing

8 in 10 years: 20.6 – 22.7 °C

Swimming season: Jun – Oct

  • cold
  • fresh
  • refreshing
  • pleasant
  • warm
  • very warm
OctoberMean sea temperature 21.7°8 in 10 years 20.6° – 22.7°
20°
Mean sea temperature8 in 10 years20 °C – comfortable for swimming

The sea temperature in Urayasu ranges from 12.1 °C in February to 26.2 °C in August. It is warm enough for a comfortable swim (20 °C and more) from June to October.

From November 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 25.2 and 28.2 °C.

Sea temperature by month
MonthAverageCool yearWarm yearFeels
JanuaryJan13.1°11.3°15.0°cold
FebruaryFeb12.1°10.4°14.2°cold
MarchMar12.9°11.6°14.7°cold
AprilApr15.0°13.5°16.5°cold
MayMay18.1°17.0°19.5°fresh
JuneJun21.1°19.9°22.0°refreshing
JulyJul23.9°22.1°26.3°pleasant
AugustAug26.2°25.2°28.2°warm
SeptemberSep25.0°23.7°26.6°pleasant
OctoberOct21.7°20.6°22.7°refreshing
NovemberNov18.6°17.4°20.3°fresh
DecemberDec15.5°13.8°17.1°cold
Sunshine

Sunshine hours in Urayasu

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

Per year
1,930 hours
Sunniest month
Jan · 6.2 h a day
Least sunshine
Jun · 4.1 h a day
OctoberSunshine 4.2 hDaylight 11.3 hShare of daylight 37 %
SunshineDaylight

In October, the sun shines for about 4.2 of 11.3 hours of daylight in Urayasu, 37 % of the daylight hours.

Sunshine hours: measured at the weather station 14 km away, averages 1991–2020 (WMO climate normals). Daylight is the time from sunrise to sunset on the 15th of the month.

Rain

Rain in Urayasu: 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
1,421 mm on 130 days
Wettest month
Oct · 193 mm
Driest month
Jan · 62 mm
OctoberRainy days 13Rainfall 193 mm

In October, Urayasu has about 13 rainy days with 193 mm of rain in total.

Sun protection

UV index in Urayasu

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 35 min
Light brown skin
about 45 min
Olive skin
about 60 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 Urayasu

How breezy and how cloudy Urayasu 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
20 km/h · moderate breeze
Windiest month
Apr · 24 km/h
Calmest month
Nov · 18 km/h
OctoberWind 18 km/hBeaufort 3
20
WindBeaufort 4

In October, the wind in Urayasu typically peaks at 18 km/h during the day: Beaufort 3, gentle 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: Jan – Jul.

Clouds

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

Year average
60 % · variable cloud
Clearest month
Jan · 39 %
Cloudiest month
Jun · 80 %
OctoberCloud cover 62 %Sunshine 4.2 h

In October, cloud covers on average 62 % of the sky over Urayasu: variable cloud, with about 4.2 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 Urayasu

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

Hot days a year
53 days
Hottest month
Aug · 32 °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 22 °C

In October, Urayasu has about 0 hot days, with an average daytime high of 22 °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 Urayasu

Weather for your travel dates

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

Urayasu 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.

Urayasu has its best school-holiday weather during May half-term (score 70) and its weakest during the summer holidays (score 46).

  • Easter holidays

    Mar – Apr

    69

    Good

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

    May – Jun

    70

    GoodBest holidays

    • 24 °C by day
    • Sea 19 °C
    • 5.5 h of sun a day
    • 12 rainy days a month

    Good for: Sightseeing & walks

  • Summer holidays

    Jul – Aug

    46

    Fair

    • 31 °C by day
    • Sea 25 °C
    • 5.4 h of sun a day
    • 12 rainy days a month

    Keep in mind: Frequent rain, Storm season

  • October half-term

    Oct

    65

    Good

    • 22 °C by day
    • Sea 22 °C
    • 4.2 h of sun a day
    • 13 rainy days a month

    Keep in mind: Storm season

  • Christmas holidays

    Dec – Jan

    50

    Fair

    • 11 °C by day
    • Sea 14 °C
    • 5.9 h of sun a day
    • 7 rainy days a month

Based on the climate averages 1996–2025.

Getting there

Flying from

Nonstop flight
about 12 h 5 min
Distance
9,580 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.

Storm season

Urayasu 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

Urayasu compared

Put Urayasu side by side with another destination.

Nearby:
Compare with home:

Urayasu vs Minato

In October the holiday weather in Urayasu and Minato is about equally good (score 65 vs 65). During the day it is about as warm in Minato as in Urayasu. The sea is about equally warm.

Urayasu vs Minato, in October
in OctoberUrayasuMinato
Holiday weather score6565
Daytime high22°22°
Sea22°22°
Sunshine4 h4 h
Rainy days1313
Best timeApr – Jun, Oct – NovApr – Jun, Oct – Nov

Through the year

OctoberUrayasu 22°Minato 22°
UrayasuMinato
Go to Minato
Ranking

Japan in October: the best places

In October, Urayasu ranks 6 among the 31 nearest destinations in this country.

  1. Toyota24°75
  2. 2Nagoya24°75
  3. 3Toyohashi24°24°72
  4. 4Fukushima20°70
  5. 5Hamamatsu24°24°68
  6. 6UrayasuThis page22°22°65
  7. 7Minato22°22°65
  8. 8Tokyo22°22°65
All destinations: Japan

Near Urayasu

Other destinations close by.

Places with a climate like Urayasu

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

  1. 82 % similar74TokushimaJapan23°24°Best time: Apr – Jun, Oct – Nov
  2. 82 % similar68NarutoJapan23°24°Best time: Jun – Oct
  3. 82 % similar74SuzukaJapan23°23°Best time: Apr – Jun, Oct – Nov
  4. 82 % similar74TsuJapan23°23°Best time: Apr – Jun, Oct – Nov

Frequently asked questions about Urayasu

When is the best time to visit Urayasu?

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

How warm is the sea in Urayasu?

The sea temperature in Urayasu ranges from 12.1 °C in February to 26.2 °C in August. It is warm enough for a comfortable swim (20 °C and more) from June to October.

Can you swim in Urayasu in October?

Yes. In October the sea averages 21.7 °C – refreshing for a swim.

What is the warmest month in Urayasu?

August is the warmest month, with average highs of 32 °C and nights around 24 °C. January is the coolest month at 10 °C.

When does it rain most in Urayasu?

Rain is frequent in July and in September; the wettest month is October with 193 mm. The driest month is January with 62 mm.

How many hours of sunshine does Urayasu get?

Urayasu gets around 1,930 hours of sunshine a year. The sunniest month is January with 6.2 hours a day; in June there are 4.1 hours a day.

What time zone is Urayasu in?

Urayasu is on UTC+9 all year.

How long is the flight from London to Urayasu?

A nonstop flight from London to Urayasu takes about 12 h 5 min, for a straight-line distance of about 9,580 km. Most routes need a change of planes, which adds time.

When is typhoon season in Urayasu?

Urayasu 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 Urayasu?

Urayasu has its best school-holiday weather during May half-term (score 70) and its weakest during the summer holidays (score 46). Holiday ratings (0–100): Easter holidays 69, May half-term 70, summer holidays 46, October half-term 65, Christmas holidays 50.