Tokyo, Japan Weather & Climate 2026

Cfa Humid Subtropical

Monthly climate averages for Tokyo, Japan. Based on 10-year ERA5 reanalysis data.

Climate Overview

Tokyo, Japan experiences average highs of 19°C (66°F) and lows of 12°C (54°F) throughout the year. Rainfall is moderate, averaging about 11 rainy days per month. Average highs have warmed by 0.9°C (1.6°F) across the available records.

Drier season: Jan–Dec Wetter season: May–Oct

At-a-Glance Climate Summary

Live Weather & Air Quality

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Key figures

Climate Score
6/10
Best: May, June, September, October, November
UV Index
5
Low
Temperature 19°C / 12°C
Feels Like 19°C / 11°C
Rainy Days 11
Rainfall 118 mm
Sunshine 8 h
Humidity 76%
Wind Speed 20 km/h
Dew Point 12°C
Snow Days 2 days
Frost Days 8 days
Best Time to Visit
Hottest Month
31°C
August
Avg Low25°C
Rain11days
Coldest Month
0°C
January
Avg High9°C
Rain6days
Driest Month
6days
January
Avg High9°C
Avg Low0°C
Windiest Month
24 km/h
April (Gusts 39)
Sea Temperature
10°C29°C
Warmest water: August ( 28.5°C )

Worst Time to Visit

Consider avoiding January, February due to less favorable weather conditions.

Sun Position
Sunrise 04:26
Daylight 14.6h
Sunset 19:00

14-Day Forecast

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Live conditions

Tokyo on the map · live conditions

Tokyo, Japan

Continent
Asia
Country
Japan
City
Tokyo
Population
9.7M
Coordinates
35.69°, 139.69°

Seasonal Breakdown

Spring
Mar–May
Avg High 18°C
Avg Low 10°C
Rain 12 days/mo
1/3 best months
Summer
Jun–Aug
Avg High 28°C
Avg Low 22°C
Rain 13 days/mo
1/3 best months
Autumn
Sep–Nov
Avg High 21°C
Avg Low 15°C
Rain 13 days/mo
3/3 best months
Winter
Dec–Feb
Avg High 10°C
Avg Low 1°C
Rain 6 days/mo

Climate Charts

Based on historical averages (2016–2025)

Monthly Temperatures

42°C 36°C 30°C 24°C 18°C 12°C 6°C 0°C -6°C -12°C JanFebMarAprMayJunJulAugSepOctNovDec
HighLowShaded bands show the typical range across the available yearly records.

Line chart showing monthly temperatures. Jan: 9°C / 0°C . Feb: 10°C / 1°C . Mar: 14°C / 5°C . Apr: 18°C / 10°C . May: 22°C / 15°C . Jun: 25°C / 19°C . Jul: 29°C / 23°C . Aug: 31°C / 25°C . Sep: 27°C / 21°C . Oct: 21°C / 15°C . Nov: 16°C / 9°C . Dec: 11°C / 3°C .

Monthly Rainfall

0 mm 33 mm 66 mm 99 mm 132 mm 165 mm JanFebMarAprMayJunJulAugSepOctNovDec
Rainfall

Bar chart showing monthly rainfall. Jan: 52 mm. Feb: 53 mm. Mar: 124 mm. Apr: 119 mm. May: 128 mm. Jun: 177 mm. Jul: 160 mm. Aug: 117 mm. Sep: 165 mm. Oct: 190 mm. Nov: 85 mm. Dec: 48 mm.

Monthly Humidity

0% 25% 50% 75% 100% JanFebMarAprMayJunJulAugSepOctNovDec
Humidity

Line chart showing monthly humidity. Jan: 70%. Feb: 68%. Mar: 73%. Apr: 75%. May: 77%. Jun: 80%. Jul: 82%. Aug: 80%. Sep: 82%. Oct: 79%. Nov: 77%. Dec: 73%.

Monthly Wind Speed

0 10 20 30 40 50 JanFebMarAprMayJunJulAugSepOctNovDec
Wind SpeedGusts

Bar chart showing monthly wind speed. Jan: 20 km/h . Feb: 22 km/h . Mar: 23 km/h . Apr: 24 km/h . May: 23 km/h . Jun: 20 km/h . Jul: 20 km/h . Aug: 20 km/h . Sep: 19 km/h . Oct: 18 km/h . Nov: 18 km/h . Dec: 19 km/h .

Sunshine

0 2 4 6 8 10 12 JanFebMarAprMayJunJulAugSepOctNovDec
Sunshine

Sunshine: Jan: 8h. Feb: 8h. Mar: 8h. Apr: 9h. May: 9h. Jun: 8h. Jul: 9h. Aug: 10h. Sep: 8h. Oct: 7h. Nov: 7h. Dec: 8h.

Sea Temperature

36°C 28°C 20°C 12°C 4°C swim JanFebMarAprMayJunJulAugSepOctNovDec
Sea Temperatureswim

Line chart showing monthly sea temperature. Jan: 11°C . Feb: 10°C . Mar: 12°C . Apr: 15°C . May: 19°C . Jun: 22°C . Jul: 27°C . Aug: 29°C . Sep: 27°C . Oct: 22°C . Nov: 18°C . Dec: 14°C .

UV Index

0 3 6 8 11 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index

Bar chart showing monthly UV index. Jan: UV 3. Feb: UV 4. Mar: UV 5. Apr: UV 6. May: UV 6. Jun: UV 7. Jul: UV 8. Aug: UV 7. Sep: UV 6. Oct: UV 4. Nov: UV 3. Dec: UV 3.

Monthly Daylight Hours

16h 14h 12h 10h 8h JanFebMarAprMayJunJulAugSepOctNovDec
Daylight12h reference

Monthly Dew Point & Comfort

28°C 24°C 20°C 16°C 12°C 8°C 4°C 0°C -4°C -8°C JanFebMarAprMayJunJulAugSepOctNovDec
Dew Point Dry Comfortable Humid Muggy Oppressive

Snow Days

0 1 2 3 4 JanFebMarAprMayJunJulAugSepOctNovDec
Snow DaysSnowfall

Snow Days: Jan: 2 days. Feb: 2 days. Mar: 1 days. Apr: 0 days. May: 0 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 0 days. Oct: 0 days. Nov: 0 days. Dec: 0 days.

Month-by-Month Weather Table

January
Poor
Temp
9°C / 0°C
Feels Like
5°C / -4°C
Rain
6days (52 mm) Good
Sun
7.8h Good
Humidity
70% Muggy
UV
3.2 Moderate
Snow Days
2days
February
Poor
Temp
10°C / 1°C
Feels Like
6°C / -3°C
Rain
7days (53 mm) Good
Sun
8.4h Good
Humidity
68% Muggy
UV
3.9 Moderate
Snow Days
2days
March
Fair
Temp
14°C / 5°C
Feels Like
11°C / 2°C
Rain
12days (124 mm) Wet
Sun
8h Good
Humidity
73% Muggy
UV
4.8 Moderate
Snow Days
1days
April
Good
Temp
18°C / 10°C
Feels Like
16°C / 8°C
Rain
12days (119 mm) Wet
Sun
8.7h Good
Humidity
75% Muggy
UV
5.6 High
May best
Excellent
Temp
22°C / 15°C
Feels Like
22°C / 15°C
Rain
13days (128 mm) Wet
Sun
8.7h Good
Humidity
77% Humid
UV
5.7 High
June best
Excellent
Temp
25°C / 19°C
Feels Like
27°C / 20°C
Rain
14days (177 mm) Wet
Sun
8.2h Good
Humidity
80% Humid
UV
6.5 High
July
Fair
Temp
29°C / 23°C
Feels Like
33°C / 27°C
Rain
13days (160 mm) Wet
Sun
8.7h Good
Humidity
82% Humid
UV
7.5 Very High
August
Fair
Temp
31°C / 25°C
Feels Like
35°C / 29°C
Rain
11days (117 mm) Wet
Sun
9.8h Good
Humidity
80% Humid
UV
7.2 Very High
September best
Excellent
Temp
27°C / 21°C
Feels Like
30°C / 24°C
Rain
14days (165 mm) Wet
Sun
7.6h Good
Humidity
82% Humid
UV
5.8 High
October best
Wet
Temp
21°C / 15°C
Feels Like
21°C / 14°C
Rain
14days (190 mm) Wet
Sun
6.5h Fair
Humidity
79% Humid
UV
3.9 Moderate
November best
Good
Temp
16°C / 9°C
Feels Like
14°C / 6°C
Rain
10days (85 mm) Wet
Sun
7.3h Good
Humidity
77% Humid
UV
3.2 Moderate
December
Fair
Temp
11°C / 3°C
Feels Like
8°C / -1°C
Rain
6days (48 mm) Good
Sun
7.5h Good
Humidity
73% Muggy
UV
3 Moderate
Month Temp Feels Like Rain Sun Humidity UV Status Details
January 9°C / 0°C 5°C / -4°C 6days (52 mm) Good 7.8h Good 70% Muggy 3.2 Moderate Poor View Details
February 10°C / 1°C 6°C / -3°C 7days (53 mm) Good 8.4h Good 68% Muggy 3.9 Moderate Poor View Details
March 14°C / 5°C 11°C / 2°C 12days (124 mm) Wet 8h Good 73% Muggy 4.8 Moderate Fair View Details
April 18°C / 10°C 16°C / 8°C 12days (119 mm) Wet 8.7h Good 75% Muggy 5.6 High Good View Details
May best 22°C / 15°C 22°C / 15°C 13days (128 mm) Wet 8.7h Good 77% Humid 5.7 High Excellent View Details
June best 25°C / 19°C 27°C / 20°C 14days (177 mm) Wet 8.2h Good 80% Humid 6.5 High Excellent View Details
July 29°C / 23°C 33°C / 27°C 13days (160 mm) Wet 8.7h Good 82% Humid 7.5 Very High Fair View Details
August 31°C / 25°C 35°C / 29°C 11days (117 mm) Wet 9.8h Good 80% Humid 7.2 Very High Fair View Details
September best 27°C / 21°C 30°C / 24°C 14days (165 mm) Wet 7.6h Good 82% Humid 5.8 High Excellent View Details
October best 21°C / 15°C 21°C / 14°C 14days (190 mm) Wet 6.5h Fair 79% Humid 3.9 Moderate Wet View Details
November best 16°C / 9°C 14°C / 6°C 10days (85 mm) Wet 7.3h Good 77% Humid 3.2 Moderate Good View Details
December 11°C / 3°C 8°C / -1°C 6days (48 mm) Good 7.5h Good 73% Muggy 3 Moderate Fair View Details

Compare Nearby City Climates

Frequently Asked Questions

The best months to visit Tokyo are May, June, September, October, November, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Tokyo, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Tokyo is August, with average daytime highs of 31°C (87°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Tokyo is January, with average overnight lows of 0°C (32°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Tokyo is October, averaging 190mm of precipitation across 14 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Tokyo runs through June, September, October, May, with the heaviest rainfall in June. Based on 10-year averages for Tokyo.
Tokyo receives approximately 97 sunshine hours per year. The sunniest month is August with around 10 hours. Based on climate data for Tokyo.
The least favorable months to visit Tokyo are January, February, primarily due to less favorable weather conditions. For the best conditions, consider May, June, September, October, November instead.
The annual average UV index in Tokyo is 5, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Tokyo is 76%, classified as humid. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes — sea temperatures in June, July, August, September, October average 25°C (77°F), which is warm and comfortable for swimming and water activities.
Yes, Tokyo receives snow. Months with snowfall average 2 snow days and 3 cm (1 in) of accumulation, with about 8 frost days during winter.
Average wind speeds in Tokyo are 20 km/h (12 mph). The windiest month is April with peak winds reaching 24 km/h (15 mph) (gusts up to 39 km/h / 24 mph).
Tokyo averages 5 clear-sky days per month with overall cloud cover around 59%. The clearest skies occur in January.
The annual average dew point in Tokyo is 12°C (54°F), which feels pleasant with low humidity. Outdoor activities are comfortable year-round from a humidity standpoint.
Tokyo has a Humid Subtropical climate, classified as Cfa under the Köppen system. Temperate climates have mild winters and warm summers, with rainfall spread across the year and four distinct seasons.
The 'feels like' temperature in Tokyo ranges from 11°C (52°F) to 19°C (66°F) on average. The 'feels like' temperature closely matches the actual temperature throughout most of the year.
Yes, June is a great time to visit Tokyo. It earns a climate score of 8.2/10 with Excellent.
For June in Tokyo, pack Umbrella, Waterproof jacket, Waterproof shoes, Breathable clothing, Sunscreen (SPF 30+). With average highs of 25°C (78°F) and 14 rainy days, these essentials will keep you comfortable.

Data Source

Climate data derived from ERA5 reanalysis (ECMWF), averaged over 2016–2025. Sea surface temperature from marine reanalysis data. Climate scores and seasonal estimates are computed by WorldStats.

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