Climate
Weather in Japan, month by month
Best time to visit
For mild temperatures and less rain, May, June, October are usually the most comfortable months in Japan (based on recent 2025 averages near Tokyo).
Average weather by month
Daytime high / overnight low (Celsius and Fahrenheit), with average monthly rainfall, near Tokyo. Tap a month for details.
| Jan | 9.4°C (49°F) / 0°C (32°F) · 36 mm |
|---|---|
| Feb | 10.8°C (51°F) / 1.2°C (34°F) · 56 mm |
| Mar | 15.2°C (59°F) / 5.8°C (42°F) · 158 mm |
| Apr | 19.6°C (67°F) / 10.9°C (52°F) · 147 mm |
| May | 22.9°C (73°F) / 14.9°C (59°F) · 192 mm |
| Jun | 27°C (81°F) / 19.6°C (67°F) · 195 mm |
| Jul | 31.9°C (89°F) / 24.1°C (75°F) · 163 mm |
| Aug | 32.6°C (91°F) / 25°C (77°F) · 149 mm |
| Sep | 28.8°C (84°F) / 21.7°C (71°F) · 200 mm |
| Oct | 22°C (72°F) / 14.4°C (58°F) · 139 mm |
| Nov | 17.4°C (63°F) / 8.6°C (47°F) · 87 mm |
| Dec | 11.8°C (53°F) / 2.5°C (37°F) · 47 mm |
Updated climate normals, 2025
Climate extremes in Japan
| Warmest month | August · avg high 32.6°C (91°F) |
|---|---|
| Coolest month | January · avg low 0°C (32°F) |
| Wettest month | September · ~200 mm |
| Driest month | January · ~36 mm |
Common questions
When is the best time to visit Japan?
For a balance of comfortable temperatures and lower rainfall, May, June, October tend to be the most pleasant months in Japan.
What is the hottest month in Japan?
August is the warmest month in Japan, with average daytime highs around 32.6°C (91°F).
What is the coldest month in Japan?
January is the coolest, with average overnight lows near 0°C (32°F).
Which month has the most rain in Japan?
September is typically the wettest month (around 200 mm on average), while January is usually the driest.