Climate of Aomori Prefecture, Japan
Area-weighted average across Aomori Prefecture. For where people actually live and travel, see the cities below.
Aomori Prefecture, a subdivision of Japan, has a seasonal climate on average. Area-weighted monthly temperatures across the whole territory range from -3°C / 26.6°F in January to 21.8°C / 71.2°F in August, with rainfall from 79 mm / 3.1 in to 163 mm / 6.4 in depending on the season (1305 mm / 51.4 in total across the year). See the city listed below for point-value climate at specific locations — these often differ from the area-weighted average, especially in geographically diverse subdivisions.
| Month | Temperature | Rainfall | Matches |
|---|---|---|---|
| January | -3°C26.6°F | 98 mm3.9″ | Snowy |
| February | -2.5°C27.5°F | 82 mm3.2″ | Snowy |
| March | 0.6°C33.1°F | 79 mm3.1″ | Snowy |
| April | 6.8°C44.2°F | 83 mm3.3″ | — |
| May | 12°C53.6°F | 85 mm3.3″ | — |
| June | 15.8°C60.4°F | 100 mm3.9″ | — |
| July | 19.9°C67.8°F | 135 mm5.3″ | — |
| August | 21.8°C71.2°F | 152 mm6″ | — |
| September | 17.7°C63.9°F | 163 mm6.4″ | — |
| October | 11.7°C53.1°F | 114 mm4.5″ | — |
| November | 5.4°C41.7°F | 111 mm4.4″ | — |
| December | -0.1°C31.8°F | 103 mm4.1″ | Snowy |
Frequently asked questions
What is the best time to visit Aomori Prefecture?
Aomori Prefecture, Japan does not have a clear sunny-and-dry window by our cutoffs. The warmest month is August at 21.8°C / 71.2°F, and the driest is March at 79 mm / 3.1 in — likely your best travel window. For city-level detail, see the cities section below.
What is the climate of Aomori Prefecture?
Aomori Prefecture, Japan has area-weighted monthly average temperatures ranging from -3°C / 26.6°F in January to 21.8°C / 71.2°F in August. Annual rainfall averages about 1305 mm / 51.4 in, with the wettest month being September (163 mm / 6.4 in) and the driest March (79 mm / 3.1 in). Because this is an area average across the whole subdivision, local city values can differ substantially.
What is the hottest month in Aomori Prefecture?
The hottest month in Aomori Prefecture is August, with an area-wide average temperature of 21.8°C / 71.2°F.
What is the coldest month in Aomori Prefecture?
The coldest month in Aomori Prefecture is January, with an area-wide average temperature of -3°C / 26.6°F.
When does it rain most in Aomori Prefecture?
The wettest month in Aomori Prefecture is September, averaging about 163 mm / 6.4 in of rainfall. The driest is March with about 79 mm / 3.1 in.