Tokyo, Japan Climate & Monthly Averages
The climate of Tokyo
Tokyo has a humid subtropical climate, marked by hot, humid summers and generally mild winters. Average daytime highs range from about 48°F (9°C) in January to around 88°F (31°C) in August, and the city records roughly 137 days of measurable precipitation a year.
Climate quick facts
- Hottest month: August - highs near 88°F (31°C)
- Coldest month: January - highs near 48°F (9°C)
- Record high: 103°F (39°C) · Record low: 18°F (-8°C) (2015–2024)
- Wettest month: September (15 rainy days) · Sunniest: August (10.0 h sun/day)
- Climate type: humid subtropical - hot, humid summers and generally mild winters
- Snow: about 3 days a year
Temperatures through the year
The warmest stretch of the year centers on August. Highs average 88°F (31°C) and overnight lows stay near 76°F (24°C). The coolest month is January, with typical highs of 48°F (9°C) and lows around 32°F (0°C). Based on 2015–2024 weather data, temperatures have reached as high as 103°F (39°C) and dropped as low as 18°F (-8°C).
Rain, sun and snow
September is usually the wettest month. It brings about 8.5 inches (215 mm) of rain over 15 days, while February is the driest. August brings the most sunshine, averaging 10.0 hours of sun a day. Snow falls on about 3 days in a typical year, mostly from January through March.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 48° | 32° | 5 | 2.2 in | 7.8 h/day | 66% |
| February | 51° | 34° | 7 | 2.2 in | 7.9 h/day | 66% |
| March | 58° | 40° | 12 | 5.5 in | 8.1 h/day | 69% |
| April | 65° | 49° | 12 | 5.2 in | 8.6 h/day | 72% |
| May | 74° | 58° | 11 | 5.4 in | 8.9 h/day | 74% |
| June | 79° | 65° | 15 | 7.5 in | 8.2 h/day | 79% |
| July | 86° | 73° | 16 | 7.6 in | 8.7 h/day | 81% |
| August | 88° | 76° | 14 | 5.7 in | 10.0 h/day | 79% |
| September | 81° | 69° | 15 | 8.5 in | 7.4 h/day | 81% |
| October | 71° | 58° | 12 | 7.6 in | 7.0 h/day | 78% |
| November | 62° | 47° | 10 | 3.8 in | 7.3 h/day | 75% |
| December | 53° | 36° | 7 | 2.4 in | 7.5 h/day | 70% |
Tokyo month by month
Tokyo weather in January
January brings highs around 48°F (9°C), lows near 32°F (0°C), about 5 wet days and roughly 1 snowy days - typically the coldest month of the year in Tokyo.
Tokyo weather in February
February brings highs around 51°F (10°C), lows near 34°F (1°C), about 7 wet days and roughly 1 snowy days - typically the driest month of the year in Tokyo.
Tokyo weather in March
March brings highs around 58°F (14°C), lows near 40°F (5°C), about 12 wet days.
Tokyo weather in April
April brings highs around 65°F (19°C), lows near 49°F (10°C), about 12 wet days.
Tokyo weather in May
May brings highs around 74°F (23°C), lows near 58°F (14°C), about 11 wet days.
Tokyo weather in June
June brings highs around 79°F (26°C), lows near 65°F (18°C), about 15 wet days.
Tokyo weather in July
July brings highs around 86°F (30°C), lows near 73°F (23°C), about 16 wet days.
Tokyo weather in August
August brings highs around 88°F (31°C), lows near 76°F (24°C), about 14 wet days - typically the hottest month and the sunniest month of the year in Tokyo.
Tokyo weather in September
September brings highs around 81°F (27°C), lows near 69°F (21°C), about 15 wet days - typically the wettest month of the year in Tokyo.
Tokyo weather in October
October brings highs around 71°F (22°C), lows near 58°F (14°C), about 12 wet days.
Tokyo weather in November
November brings highs around 62°F (17°C), lows near 47°F (8°C), about 10 wet days.
Tokyo weather in December
December brings highs around 53°F (11°C), lows near 36°F (2°C), about 7 wet days.
Seasons in Tokyo
Spring (March through May)
Spring in Tokyo is crisp but comfortable, with daytime highs averaging 66°F (19°C) and nights around 49°F (10°C); expect showers on roughly 34 days across the season.
Summer (June through August)
Summer in Tokyo is hot, with daytime highs averaging 84°F (29°C) and nights around 71°F (22°C); expect showers on roughly 46 days across the season. With the humidity factored in, afternoons often feel hotter than the thermometer reads - run the numbers through the humidity and dew point converter to see why.
Fall (September through November)
Fall in Tokyo is mild and warm, with daytime highs averaging 71°F (22°C) and nights around 58°F (14°C); expect showers on roughly 37 days across the season.
Winter (December through February)
Winter in Tokyo runs cold, with daytime highs averaging 50°F (10°C) and nights around 34°F (1°C); expect showers on roughly 19 days across the season, plus around 2 snowy days.
Climate questions, answered
What is the average temperature in Tokyo?
Is Tokyo hot in summer?
Is Tokyo cold in winter?
How many rainy days does Tokyo get in a year?
Best time to visit Tokyo
The best time to visit Tokyo is generally April to May and November to December, when warm days, manageable rainfall and plenty of daylight line up. Daytime temperatures in that window typically sit near 61°F (16°C).
Pack for Tokyo with lightweight, breathable clothing and strong sun protection for the hot months; a warm jacket and layers for the cooler season; a compact umbrella or rain shell - showers are a regular feature. Evenings can feel noticeably cooler than afternoons - August nights average 76°F (24°C).
Tokyo temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ.