Climate averages 1991–2020
Daisen weather
in August.
A warm, wet month: the warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a warm month in Daisen: daytime highs average 27.2°C and nights cool to about 20.0°C. By daytime temperature it is the warmest month of the year.
Expect about 173 mm of rain on roughly 16 days, which makes August a wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 43 min on an average August day.
The nearest other city in this atlas is Yokote (15 km away). In August its highs average 27.1°C, about as warm as Daisen, with 180 mm of rain.
Among the 303 cities listed in Japan, Daisen ranks joint 271st of 303 for the warmest August highs and joint 230th of 303 for the driest August (rainfall, lowest first). The mean August high of those 303 cities is 29.2°C; Daisen is 1.9°C cooler than that mean.
From August to September, average highs fall by 3.9°C to 23.3°C, and monthly rainfall falls from 173 mm to 152 mm.
The annual picture
August in context
Monthly precipitation
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
Daisen climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 0.8°C-5.9°C | -5.9°C | 111 | 21.1 | 9.710 h |
| February | 1.8°C-5.6°C | -5.6°C | 91 | 17.2 | 10.711 h |
| March | 5.7°C-2.2°C | -2.2°C | 115 | 17.9 | 11.912 h |
| April | 13.2°C2.9°C | 2.9°C | 112 | 15.1 | 13.213 h |
| May | 19.2°C8.9°C | 8.9°C | 121 | 13.5 | 14.314 h |
| June | 23.0°C14.1°C | 14.1°C | 131 | 12.8 | 14.915 h |
| July | 25.9°C18.7°C | 18.7°C | 206 | 17.0 | 14.715 h |
| August, selected | 27.2°C20.0°C | 20.0°C | 173 | 16.2 | 13.714 h |
| September | 23.3°C15.8°C | 15.8°C | 152 | 14.2 | 12.512 h |
| October | 17.2°C9.0°C | 9.0°C | 141 | 14.1 | 11.211 h |
| November | 10.5°C2.9°C | 2.9°C | 129 | 17.6 | 10.110 h |
| December | 3.7°C-2.7°C | -2.7°C | 130 | 21.0 | 9.49 h |
Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet 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
- Yokote in AugustJapan · 15 kmHigh 27.1°C · Low 19.9°C · 180 mm rain
- Yurihonjō in AugustJapan · 38 kmHigh 27.2°C · Low 21.3°C · 187 mm rain
- Akita in AugustJapan · 44 kmHigh 26.5°C · Low 21.1°C · 203 mm rain
- Hanamaki in AugustJapan · 54 kmHigh 26.5°C · Low 19.3°C · 141 mm rain
- Kitakami in AugustJapan · 57 kmHigh 26.4°C · Low 19.3°C · 162 mm rain
- Morioka in AugustJapan · 64 kmHigh 25.9°C · Low 18.8°C · 137 mm rain
- Ōshū in AugustJapan · 67 kmHigh 27.0°C · Low 19.9°C · 153 mm rain
- Sakata in AugustJapan · 80 kmHigh 27.4°C · Low 21.4°C · 184 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 Daisen) is explained once on the Daisen year overview and on the Sources, method and limits page.