Japan Climate Guides

The Japan Climate Guide is perfect for planning your holiday. Monthly weather averages give the best indication of what the weather is usually like for every month of the year including figures for temperature, rainfall and sunshine.

Japan Weather Japan Summary Japan Climate Japan Today Japan Forecast Japan When Best
Japan Weather Japan Summary Japan Climate Japan Today Japan Forecast Japan When Best
J F M A M J J A S O N D
Max Daytime Temperature (°C) 9°C (48°F) Max Daytime Temperature in January in Japan (Tokyo) 9°C (48°F) Max Daytime Temperature in February in Japan (Tokyo) 12°C (54°F) Max Daytime Temperature in March in Japan (Tokyo) 18°C (64°F) Max Daytime Temperature in April in Japan (Tokyo) 22°C (72°F) Max Daytime Temperature in May in Japan (Tokyo) 25°C (77°F) Max Daytime Temperature in June in Japan (Tokyo) 28°C (82°F) Max Daytime Temperature in July in Japan (Tokyo) 30°C (86°F) Max Daytime Temperature in August in Japan (Tokyo) 26°C (79°F) Max Daytime Temperature in September in Japan (Tokyo) 21°C (70°F) Max Daytime Temperature in October in Japan (Tokyo) 16°C (61°F) Max Daytime Temperature in November in Japan (Tokyo) 12°C (54°F) Max Daytime Temperature in December in Japan (Tokyo)
Min Night-time Temperature (°C) -0°C (32°F) Min Night-time Temperature in January in Japan (Tokyo) 0°C (32°F) Min Night-time Temperature in February in Japan (Tokyo) 3°C (37°F) Min Night-time Temperature in March in Japan (Tokyo) 9°C (48°F) Min Night-time Temperature in April in Japan (Tokyo) 13°C (55°F) Min Night-time Temperature in May in Japan (Tokyo) 18°C (64°F) Min Night-time Temperature in June in Japan (Tokyo) 21°C (70°F) Min Night-time Temperature in July in Japan (Tokyo) 23°C (73°F) Min Night-time Temperature in August in Japan (Tokyo) 19°C (66°F) Min Night-time Temperature in September in Japan (Tokyo) 13°C (55°F) Min Night-time Temperature in October in Japan (Tokyo) 7°C (45°F) Min Night-time Temperature in November in Japan (Tokyo) 2°C (36°F) Min Night-time Temperature in December in Japan (Tokyo)
Hours of Sunshine (Daily) 6 Hours of Bright Sunshine per day (59% of Daylight Hours) in January in Japan (Tokyo) 6 Hours of Bright Sunshine per day (51% of Daylight Hours) in February in Japan (Tokyo) 6 Hours of Bright Sunshine per day (46% of Daylight Hours) in March in Japan (Tokyo) 5 Hours of Bright Sunshine per day (41% of Daylight Hours) in April in Japan (Tokyo) 6 Hours of Bright Sunshine per day (42% of Daylight Hours) in May in Japan (Tokyo) 4 Hours of Bright Sunshine per day (28% of Daylight Hours) in June in Japan (Tokyo) 5 Hours of Bright Sunshine per day (31% of Daylight Hours) in July in Japan (Tokyo) 6 Hours of Bright Sunshine per day (43% of Daylight Hours) in August in Japan (Tokyo) 4 Hours of Bright Sunshine per day (31% of Daylight Hours) in September in Japan (Tokyo) 4 Hours of Bright Sunshine per day (38% of Daylight Hours) in October in Japan (Tokyo) 5 Hours of Bright Sunshine per day (46% of Daylight Hours) in November in Japan (Tokyo) 6 Hours of Bright Sunshine per day (57% of Daylight Hours) in December in Japan (Tokyo)
Hours of Daylight (Daily) 10 Hours of Daylight in January in Japan (Tokyo) 11 Hours of Daylight in February in Japan (Tokyo) 12 Hours of Daylight in March in Japan (Tokyo) 13 Hours of Daylight in April in Japan (Tokyo) 14 Hours of Daylight in May in Japan (Tokyo) 15 Hours of Daylight in June in Japan (Tokyo) 14 Hours of Daylight in July in Japan (Tokyo) 13 Hours of Daylight in August in Japan (Tokyo) 12 Hours of Daylight in September in Japan (Tokyo) 11 Hours of Daylight in October in Japan (Tokyo) 10 Hours of Daylight in November in Japan (Tokyo) 10 Hours of Daylight in December in Japan (Tokyo)
Heat and Humidity Discomfort No Heat & Humidity in January in Japan (Tokyo) No Heat & Humidity in February in Japan (Tokyo) No Heat & Humidity in March in Japan (Tokyo) No Heat & Humidity in April in Japan (Tokyo) No Heat & Humidity in May in Japan (Tokyo) Low Heat & Humidity in June in Japan (Tokyo) Moderate Heat & Humidity in July in Japan (Tokyo) High Heat & Humidity in August in Japan (Tokyo) Low Heat & Humidity in September in Japan (Tokyo) No Heat & Humidity in October in Japan (Tokyo) No Heat & Humidity in November in Japan (Tokyo) No Heat & Humidity in December in Japan (Tokyo)
Days with some Rainfall 9 Days with some Rainfall in January in Japan (Tokyo) 11 Days with some Rainfall in February in Japan (Tokyo) 17 Days with some Rainfall in March in Japan (Tokyo) 16 Days with some Rainfall in April in Japan (Tokyo) 16 Days with some Rainfall in May in Japan (Tokyo) 19 Days with some Rainfall in June in Japan (Tokyo) 20 Days with some Rainfall in July in Japan (Tokyo) 17 Days with some Rainfall in August in Japan (Tokyo) 21 Days with some Rainfall in September in Japan (Tokyo) 16 Days with some Rainfall in October in Japan (Tokyo) 12 Days with some Rainfall in November in Japan (Tokyo) 9 Days with some Rainfall in December in Japan (Tokyo)
Monthly Rainfall (mm) 38 mm (1.5 inches) Monthly Rainfall in January in Japan (Tokyo) 52 mm (2.0 inches) Monthly Rainfall in February in Japan (Tokyo) 101 mm (4.0 inches) Monthly Rainfall in March in Japan (Tokyo) 123 mm (4.8 inches) Monthly Rainfall in April in Japan (Tokyo) 123 mm (4.8 inches) Monthly Rainfall in May in Japan (Tokyo) 175 mm (6.9 inches) Monthly Rainfall in June in Japan (Tokyo) 140 mm (5.5 inches) Monthly Rainfall in July in Japan (Tokyo) 150 mm (5.9 inches) Monthly Rainfall in August in Japan (Tokyo) 205 mm (8.1 inches) Monthly Rainfall in September in Japan (Tokyo) 156 mm (6.1 inches) Monthly Rainfall in October in Japan (Tokyo) 83 mm (3.3 inches) Monthly Rainfall in November in Japan (Tokyo) 35 mm (1.4 inches) Monthly Rainfall in December in Japan (Tokyo)
Chance of Ground Frost Ground Frost on most days in January in Japan (Tokyo) Ground Frost on most days in February in Japan (Tokyo) Ground Frost may occur in March in Japan (Tokyo) Ground Frost may occur in April in Japan (Tokyo) No Chance of Ground Frost in May in Japan (Tokyo) No Chance of Ground Frost in June in Japan (Tokyo) No Chance of Ground Frost in July in Japan (Tokyo) No Chance of Ground Frost in August in Japan (Tokyo) No Chance of Ground Frost in September in Japan (Tokyo) No Chance of Ground Frost in October in Japan (Tokyo) Ground Frost may occur in November in Japan (Tokyo) Ground Frost may occur in December in Japan (Tokyo)
UV Index (Maximum) UV (Maximum) Index 2 (Low) in January in Japan (Tokyo) UV (Maximum) Index 3 (Moderate) in February in Japan (Tokyo) UV (Maximum) Index 5 (Moderate) in March in Japan (Tokyo) UV (Maximum) Index 7 (High) in April in Japan (Tokyo) UV (Maximum) Index 9 (Very High) in May in Japan (Tokyo) UV (Maximum) Index 10 (Very High) in June in Japan (Tokyo) UV (Maximum) Index 10 (Very High) in July in Japan (Tokyo) UV (Maximum) Index 10 (Very High) in August in Japan (Tokyo) UV (Maximum) Index 8 (Very High) in September in Japan (Tokyo) UV (Maximum) Index 5 (Moderate) in October in Japan (Tokyo) UV (Maximum) Index 3 (Moderate) in November in Japan (Tokyo) UV (Maximum) Index 2 (Low) in December in Japan (Tokyo)
Sea Temperature (°C) 17°C (63°F) Sea Temperature in January in Japan (Tokyo) 16°C (61°F) Sea Temperature in February in Japan (Tokyo) 16°C (61°F) Sea Temperature in March in Japan (Tokyo) 17°C (63°F) Sea Temperature in April in Japan (Tokyo) 20°C (68°F) Sea Temperature in May in Japan (Tokyo) 22°C (72°F) Sea Temperature in June in Japan (Tokyo) 24°C (75°F) Sea Temperature in July in Japan (Tokyo) 26°C (79°F) Sea Temperature in August in Japan (Tokyo) 25°C (77°F) Sea Temperature in September in Japan (Tokyo) 23°C (73°F) Sea Temperature in October in Japan (Tokyo) 21°C (70°F) Sea Temperature in November in Japan (Tokyo) 19°C (66°F) Sea Temperature in December in Japan (Tokyo)
J F M A M J J A S O N D
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The Japan Climate Guide shown above is based on the Tokyo Climate Guide. Please note that the weather may vary across this region. Below is a list of all the destinations in Japan with available Climate Guides.

  Abashiri   Aizu-Wakamatsu   Akita   Aomori   Asahikawa   Fukuoka   Hagi   Hakodate   Hiraizumi   Hirosaki   Hiroshima   Ishigaki   Izumo   Kagoshima   Kanazawa   Kochi   Koya   Kumamoto   Kusatsu   Kushiro   Kyoto   Matsumoto   Matsuyama   Miyazaki   Nagasaki   Nagoya   Naha   Nara   Niigata   Nikko   Okayama   Osaka   Sapporo   Sendai   Shirahama   Takamatsu   Tokyo   Tottori   Wakkanai   Yakushima   Yamagata  

Japan Weather by Month
Check the weather for a particular month in Japan by selecting a month from the list below. Alternatively check which month usually has the Best Weather in Japan. If you are not sure where to go, why not try our Holiday Planner.
  · January
  · February
  · March
   · April
  · May
  · June
   · July
  · August
  · September
   · October
  · November
  · December
Popular Climate Guide Regions

1.

Thailand

2.

Maldives

3.

Barbados

4.

Dominican Republic

5.

Cancun and Riviera Maya, Mexico

6.

Cuba

7.

Sri Lanka

8.

Antigua

9.

Goa, India

10.

Jamaica
Popular Climate Guide Destinations

1.

Cape Town, South Africa

2.

Mombasa, Kenya

3.

Sydney, New South Wales, Australia

4.

Bangkok, Thailand

5.

Male, Maldives

6.

Bridgetown, Barbados

7.

Santo Domingo, Dominican Republic

8.

Cancun, Cancun and Riviera Maya, Mexico

9.

Havana, Cuba

10.

Colombo, Sri Lanka

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