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Japan Weather, Climate and Best Time to Visit
Data source:Meteostat Update date:2025-09
Japan year round climate
Spring (March–May): 6.7–15.9°C on average, the climate gradually changes from cold to warm. Cherry blossoms bloom in March and April, but cold air occasionally moves southward. Common activities: Cherry blossom viewing, outings, visiting museums. Recommended clothing: Light jacket, long-sleeved shirt, comfortable shoes.
Summer (June–August): 20.4–25.2°C on average, the climate is warm and humid with abundant rainfall. Common activities: Swimming at the beach, mountain climbing, enjoying firework displays. Recommended clothing: Light and breathable clothing, rain gear.
Autumn (September–November): 9.6–22.2°C on average, the climate is comfortable and pleasant, cool and dry, with red maple leaves. Common activities: Maple leaf viewing, hot spring bathing, tasting autumnal delicacies. Recommended clothing: Light jacket, long-sleeved shirt, comfortable shoes.
Winter (December–February): 0.9–3.5°C on average, the climate is cold and dry, with occasional snowfall. Common activities: Skiing, hot spring trips, visiting indoor attractions. Recommended clothing: Warm coat, scarf, hat, gloves.
Japan climatological average
Annual average temperature: approx. 12.9°C / Annual rainfall: approx. 1306 mm / Summer humidity: 70%–80% / Rainiest month: June
Japan monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
0.9°C
23.6
February
2.1°C
45.3
March
6.7°C
93.5
April
12.5°C
112.1
May
15.9°C
163.8
June
20.4°C
182.5
July
25.2°C
174.2
August
25°C
174.9
September
22.2°C
169.6
October
15°C
78
November
9.6°C
57.6
December
3.5°C
31.3
Japan weather for the next seven days
2/17
Tuesday
Light freezing rain
5.5°C/-3.2°C
2/18
Wednesday
Patchy rain nearby
7°C/-3.9°C
2/19
Thursday
Patchy moderate snow
0.8°C/-8.9°C
2/20
Friday
Sunny
6.9°C/-8.5°C
2/21
Saturday
Sunny
9.8°C/-5.1°C
2/22
Sunday
Sunny
11.6°C/-2.8°C
2/23
Monday
Patchy rain nearby
14.4°C/0.1°C
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