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Suginami-ku Weather by Month
Average temperatures, rainfall and humidity for Suginami-ku, Japan, month by month, built from OpenWeather’s historical records. Use it to see what a typical Suginami-ku month looks like before you travel — then check the live Suginami-ku forecast for the days ahead.
Warmest month
August
32°C average high
Coolest month
January
2°C average low
Wettest month
June
159 mm of rain
Driest month
January
27 mm of rain
Average temperature and rainfall in Suginami-ku by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 10°C | 2°C | -9°C / 18°C | 27 mm | 55% | 12 km/h |
| February | 11°C | 3°C | -5°C / 22°C | 48 mm | 57% | 13 km/h |
| March | 15°C | 7°C | -3°C / 28°C | 86 mm | 62% | 14 km/h |
| April | 19°C | 12°C | 1°C / 28°C | 108 mm | 66% | 14 km/h |
| May | 24°C | 16°C | 8°C / 33°C | 105 mm | 69% | 13 km/h |
| June | 27°C | 20°C | 13°C / 37°C | 159 mm | 71% | 11 km/h |
| July | 31°C | 24°C | 18°C / 38°C | 117 mm | 74% | 11 km/h |
| August | 32°C | 26°C | 18°C / 40°C | 126 mm | 71% | 12 km/h |
| September | 28°C | 22°C | 13°C / 36°C | 137 mm | 76% | 12 km/h |
| October | 22°C | 16°C | 5°C / 32°C | 124 mm | 72% | 12 km/h |
| November | 17°C | 10°C | -1°C / 26°C | 65 mm | 64% | 11 km/h |
| December | 12°C | 4°C | -6°C / 23°C | 36 mm | 56% | 12 km/h |
Best time to visit Suginami-ku
The most comfortable time to visit Suginami-ku is generally May to June and October, balancing mild daytime temperatures against the driest stretch of the year. The city has strongly marked seasons and rain concentrates around June, totalling about 1,138 mm a year.
Travellers who prefer heat should aim for August, when highs average 32°C. June is the month to avoid if rain would spoil your plans — it averages 159 mm, roughly 6× the rainfall of the driest month (January).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Suginami-ku forecast for what is happening now.