Climate averages 1991–2020
Hirosaki weather
in August.
A warm, wet month: the warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a warm month in Hirosaki: daytime highs average 26.7°C and nights cool to about 19.1°C. By daytime temperature it is the warmest month of the year.
Expect about 176 mm of rain on roughly 16 days, which makes August a wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 13 h 47 min on an average August day.
The nearest other city in this atlas is Aomori (33 km away). In August its highs average 26.7°C, about as warm as Hirosaki, with 169 mm of rain.
Among the 303 cities listed in Japan, Hirosaki ranks joint 280th of 303 for the warmest August highs and joint 244th of 303 for the driest August (rainfall, lowest first). The mean August high of those 303 cities is 29.2°C; Hirosaki is 2.5°C cooler than that mean.
From August to September, average highs fall by 4.0°C to 22.7°C, and monthly rainfall falls from 176 mm to 154 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
Hirosaki climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | -0.3°C-6.6°C | -6.6°C | 82 | 17.0 | 9.610 h |
| February | 0.7°C-6.1°C | -6.1°C | 81 | 15.7 | 10.611 h |
| March | 4.4°C-3.6°C | -3.6°C | 101 | 16.7 | 11.912 h |
| April | 12.0°C1.7°C | 1.7°C | 98 | 13.7 | 13.313 h |
| May | 18.7°C8.0°C | 8.0°C | 104 | 13.1 | 14.414 h |
| June | 22.7°C13.2°C | 13.2°C | 109 | 13.1 | 15.015 h |
| July | 25.6°C18.0°C | 18.0°C | 163 | 16.4 | 14.815 h |
| August, selected | 26.7°C19.1°C | 19.1°C | 176 | 16.0 | 13.814 h |
| September | 22.7°C14.9°C | 14.9°C | 154 | 14.2 | 12.513 h |
| October | 16.4°C8.1°C | 8.1°C | 129 | 13.8 | 11.211 h |
| November | 9.2°C1.9°C | 1.9°C | 112 | 16.2 | 10.010 h |
| December | 2.3°C-4.2°C | -4.2°C | 106 | 18.0 | 9.39 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
- Aomori in AugustJapan · 33 kmHigh 26.7°C · Low 19.7°C · 169 mm rain
- Hachinohe in AugustJapan · 87 kmHigh 26.3°C · Low 19.6°C · 132 mm rain
- Akita in AugustJapan · 102 kmHigh 26.5°C · Low 21.1°C · 203 mm rain
- Morioka in AugustJapan · 115 kmHigh 25.9°C · Low 18.8°C · 137 mm rain
- Daisen in AugustJapan · 128 kmHigh 27.2°C · Low 20.0°C · 173 mm rain
- Hakodate in AugustJapan · 133 kmHigh 23.7°C · Low 19.7°C · 206 mm rain
- Yurihonjō in AugustJapan · 138 kmHigh 27.2°C · Low 21.3°C · 187 mm rain
- Yokote in AugustJapan · 142 kmHigh 27.1°C · Low 19.9°C · 180 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 Hirosaki) is explained once on the Hirosaki year overview and on the Sources, method and limits page.