ClimateAverages

Hachinohe Climate

Aomori, Japan · population 239,046 · 22 weather stations within 200 km · records 1825 to 2025

Average annual daytime high
13.8°C
Warmest month · August
25.7°C
Typical daytime high
Coldest month · January
-4.2°C
Typical overnight low

Hachinohe has an average annual daytime high of 13.8°C, based on the 1951 to 1980 baseline. Its warmest month is August, when highs typically reach 25.7°C, and its coldest is January, with overnight lows near -4.2°C.

Month by month averages

MonthAvg highAvg low
January1.7°C-4.2°CColdest
February2.4°C-4.1°C
March6.1°C-0.8°C
April13.0°C4.3°C
May18.0°C9.1°C
June19.8°C13.1°C
July23.5°C17.3°C
August25.7°C19.3°CWarmest
September22.5°C15.1°C
October17.2°C8.5°C
November10.9°C3.2°C
December4.7°C-1.4°C

Temperature range across the year

-6°2°11°19°28°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
2023
+2.7°C vs. 1951–1980
Coldest year on record
1845
-2.8°C vs. 1951–1980

These figures reflect annual averages, not single-day records. Daily observations are outside this dataset's precision.

Is Hachinohe getting hotter?

Since 1900, Hachinohe's average temperature has risen by +3.0°C. Compared to the earliest station records that begin in 1825, warming totals +2.9°C.

9.0°9.9°10.8°11.6°12.5°1951–1980 baseline190019251950197520002025

20-year smoothed annual temperature reconstructed from station anomalies. Dashed line: 1951–1980 baseline.

Best time to visit
May to October

Daytime highs sit within a comfortable 15°C to 26°C range.

FAQ

What is the average temperature in Hachinohe?

Hachinohe's average annual daytime high is 13.8°C, based on the 1951 to 1980 baseline period. The warmest month is August, with highs averaging 25.7°C, and the coldest is January, with lows averaging -4.2°C.

What is the warmest month in Hachinohe?

August is the warmest month in Hachinohe, with typical daytime highs of 25.7°C.

What is the hottest year on record for Hachinohe?

2023 is the hottest year on record for Hachinohe, running +2.7°C above the 1951 to 1980 baseline.

Is Hachinohe getting hotter?

Yes. Since 1900, Hachinohe has warmed by roughly +3.0°C.

When is the best time to visit Hachinohe?

May to October typically offers the most comfortable daytime highs, in the 15°C to 26°C range.

Nearby cities

Baseline period 1951 to 1980. Monthly averages are the mean of station observations weighted by proximity. Warming trend is the 20-year smoothed anomaly against that baseline.