Climate averages 1991–2020
Hirosaki weather
in May.
A mild, wet month: the 5th warmest and the 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a mild month in Hirosaki: daytime highs average 18.7°C and nights cool to about 8.0°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 104 mm of rain on roughly 13 days, which makes May a wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 25 min on an average May day.
The nearest other city in this atlas is Aomori (33 km away). In May its highs average 18.5°C, about as warm as Hirosaki, with 101 mm of rain.
Among the 303 cities listed in Japan, Hirosaki ranks joint 279th of 303 for the warmest May highs and joint 22nd of 303 for the driest May (rainfall, lowest first). The mean May high of those 303 cities is 21.3°C; Hirosaki is 2.7°C cooler than that mean.
From May to June, average highs rise by 4.0°C to 22.7°C, and monthly rainfall rises from 104 mm to 109 mm.
The annual picture
May 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, selected | 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 | 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
May in nearby cities
- Aomori in MayJapan · 33 kmHigh 18.5°C · Low 8.7°C · 101 mm rain
- Hachinohe in MayJapan · 87 kmHigh 18.3°C · Low 9.2°C · 88 mm rain
- Akita in MayJapan · 102 kmHigh 17.2°C · Low 10.0°C · 130 mm rain
- Morioka in MayJapan · 115 kmHigh 18.1°C · Low 8.2°C · 94 mm rain
- Daisen in MayJapan · 128 kmHigh 19.2°C · Low 8.9°C · 121 mm rain
- Hakodate in MayJapan · 133 kmHigh 13.9°C · Low 7.7°C · 119 mm rain
- Yurihonjō in MayJapan · 138 kmHigh 18.2°C · Low 10.3°C · 123 mm rain
- Yokote in MayJapan · 142 kmHigh 19.1°C · Low 8.9°C · 124 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.