Climate averages 1991–2020
Nishio weather
in August.
A hot, wet month: the warmest and the 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a hot month in Nishio: daytime highs average 29.7°C and nights cool to about 24.0°C. By daytime temperature it is the warmest month of the year.
Expect about 108 mm of rain on roughly 11 days, which makes August a wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 28 min on an average August day.
The nearest other city in this atlas is Anjō (11 km away). In August its highs average 30.4°C, 0.7°C warmer than Nishio, with 110 mm of rain.
Among the 303 cities listed in Japan, Nishio ranks joint 136th of 303 for the warmest August highs and joint 25th of 303 for the driest August (rainfall, lowest first). The mean August high of those 303 cities is 29.2°C; Nishio is 0.5°C warmer than that mean.
From August to September, average highs fall by 3.1°C to 26.6°C, and monthly rainfall rises from 108 mm to 214 mm.
The annual picture
August in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Nishio climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 8.6°C1.5°C | 1.5°C | 73 | 9.2 | 10.110 h |
| February | 9.6°C1.7°C | 1.7°C | 77 | 9.3 | 10.911 h |
| March | 13.0°C4.3°C | 4.3°C | 120 | 10.4 | 11.912 h |
| April | 17.6°C9.0°C | 9.0°C | 129 | 9.9 | 13.013 h |
| May | 21.8°C14.0°C | 14.0°C | 154 | 10.0 | 14.014 h |
| June | 24.9°C18.6°C | 18.6°C | 209 | 13.2 | 14.514 h |
| July | 28.3°C22.8°C | 22.8°C | 181 | 13.0 | 14.314 h |
| August, selected | 29.7°C24.0°C | 24.0°C | 108 | 10.9 | 13.513 h |
| September | 26.6°C20.7°C | 20.7°C | 214 | 13.0 | 12.412 h |
| October | 21.4°C14.9°C | 14.9°C | 215 | 11.1 | 11.311 h |
| November | 16.1°C9.0°C | 9.0°C | 99 | 8.0 | 10.410 h |
| December | 10.9°C3.9°C | 3.9°C | 68 | 8.5 | 9.910 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
August in nearby cities
- Anjō in AugustJapan · 11 kmHigh 30.4°C · Low 23.4°C · 110 mm rain
- Handa in AugustJapan · 11 kmHigh 29.7°C · Low 24.1°C · 110 mm rain
- Okazaki in AugustJapan · 14 kmHigh 30.5°C · Low 23.5°C · 174 mm rain
- Kariya in AugustJapan · 14 kmHigh 30.4°C · Low 23.8°C · 110 mm rain
- Gamagōri in AugustJapan · 17 kmHigh 29.9°C · Low 23.8°C · 133 mm rain
- Tōkai in AugustJapan · 22 kmHigh 30.2°C · Low 23.6°C · 110 mm rain
- Toyota in AugustJapan · 26 kmHigh 30.4°C · Low 23.1°C · 174 mm rain
- Toyohashi in AugustJapan · 32 kmHigh 30.2°C · Low 23.6°C · 144 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Nishio) is explained once on the Nishio year overview and on the Sources, method and limits page.