Japan
Tokyo sees feels-like daytime highs peak around 37.2°C in August and nighttime lows bottom out near 2.7°C in January. September is the wettest month (~180 mm), while January is the driest (~50 mm). For sunshine, December leads with about 73% clear skies.
Based on mild feels-like temperatures and low rain chances, the most comfortable months are October, May, and April — expect around 17.8–23.7°C with roughly 32% chance of rain on a given day in October.
| Month | Low / High °C | Rain % | Rainfall | Clear skies | Wind |
|---|---|---|---|---|---|
| January | 2.7° / 8.1° | 14% | 50 mm | 72% | 13.3 kph |
| February | 2.9° / 9° | 19% | 62 mm | 65% | 14.1 kph |
| March | 6.3° / 12.8° | 30% | 100 mm | 55% | 14.5 kph |
| April☀ | 12.2° / 19° | 33% | 111 mm | 48% | 14.2 kph |
| May☀ | 18.5° / 24.7° | 35% | 122 mm | 42% | 13 kph |
| June | 24° / 29.6° | 43% | 149 mm | 32% | 11.9 kph |
| July | 28.8° / 35.9° | 42% | 140 mm | 34% | 11.5 kph |
| August | 30.1° / 37.2° | 37% | 137 mm | 47% | 11.7 kph |
| September | 25.5° / 31.3° | 39% | 180 mm | 48% | 12.2 kph |
| October☀ | 17.8° / 23.7° | 32% | 158 mm | 58% | 12.1 kph |
| November | 11° / 16.9° | 23% | 86 mm | 66% | 12.1 kph |
| December | 5.5° / 11.6° | 16% | 52 mm | 73% | 12.6 kph |
Feels-like temperatures from long-term historical data; ☀ marks the most comfortable months (mild temperatures, low rain).
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