Climate averages 1991–2020
Toyohashi weather
in August.
A hot, wet month: the warmest and the 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a hot month in Toyohashi: daytime highs average 30.2°C and nights cool to about 23.6°C. By daytime temperature it is the warmest month of the year.
Expect about 144 mm of rain on roughly 15 days, which makes August a wet month (the 6th 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 Gamagōri (16 km away). In August its highs average 29.9°C, about as warm as Toyohashi, with 133 mm of rain.
Among the 303 cities listed in Japan, Toyohashi ranks joint 78th of 303 for the warmest August highs and joint 141st of 303 for the driest August (rainfall, lowest first). The mean August high of those 303 cities is 29.2°C; Toyohashi is 1.0°C warmer than that mean.
From August to September, average highs fall by 3.2°C to 27.0°C, and monthly rainfall rises from 144 mm to 236 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
Toyohashi climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 8.8°C1.2°C | 1.2°C | 64 | 5.7 | 10.110 h |
| February | 9.9°C1.4°C | 1.4°C | 83 | 7.0 | 10.911 h |
| March | 13.4°C4.0°C | 4.0°C | 135 | 10.5 | 11.912 h |
| April | 18.1°C8.8°C | 8.8°C | 151 | 10.4 | 13.013 h |
| May | 22.3°C13.7°C | 13.7°C | 170 | 11.3 | 14.014 h |
| June | 25.2°C18.2°C | 18.2°C | 242 | 15.6 | 14.414 h |
| July | 28.8°C22.5°C | 22.5°C | 250 | 15.8 | 14.214 h |
| August, selected | 30.2°C23.6°C | 23.6°C | 144 | 15.3 | 13.513 h |
| September | 27.0°C20.4°C | 20.4°C | 236 | 14.6 | 12.412 h |
| October | 21.8°C14.6°C | 14.6°C | 211 | 11.8 | 11.311 h |
| November | 16.5°C8.7°C | 8.7°C | 113 | 8.9 | 10.410 h |
| December | 11.2°C3.5°C | 3.5°C | 67 | 6.3 | 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
- Gamagōri in AugustJapan · 16 kmHigh 29.9°C · Low 23.8°C · 133 mm rain
- Okazaki in AugustJapan · 28 kmHigh 30.5°C · Low 23.5°C · 174 mm rain
- Nishio in AugustJapan · 32 kmHigh 29.7°C · Low 24.0°C · 108 mm rain
- Hamamatsu in AugustJapan · 33 kmHigh 30.2°C · Low 24.0°C · 157 mm rain
- Anjō in AugustJapan · 35 kmHigh 30.4°C · Low 23.4°C · 110 mm rain
- Hamakita in AugustJapan · 37 kmHigh 29.9°C · Low 23.5°C · 157 mm rain
- Toyota in AugustJapan · 41 kmHigh 30.4°C · Low 23.1°C · 174 mm rain
- Handa in AugustJapan · 43 kmHigh 29.7°C · Low 24.1°C · 110 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 Toyohashi) is explained once on the Toyohashi year overview and on the Sources, method and limits page.