ClimateAverages

Hanamaki Climate

Iwate, Japan · population 73,115 · 28 weather stations within 200 km · records 1825 to 2025

Average annual daytime high
15.4°C
Warmest month · August
28.4°C
Typical daytime high
Coldest month · January
-5.2°C
Typical overnight low

Hanamaki has an average annual daytime high of 15.4°C, based on the 1951 to 1980 baseline. Its warmest month is August, when highs typically reach 28.4°C, and its coldest is January, with overnight lows near -5.2°C.

Month by month averages

MonthAvg highAvg low
January2.5°C-5.2°CColdest
February3.4°C-4.6°C
March7.1°C-1.2°C
April14.4°C4.4°C
May20.2°C9.9°C
June23.2°C15.1°C
July26.7°C19.3°C
August28.4°C20.6°CWarmest
September24.0°C15.6°C
October18.1°C8.4°C
November11.8°C2.9°C
December5.5°C-2.2°C

Temperature range across the year

-7°2°12°21°30°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
2023
+2.7°C vs. 1951–1980
Coldest year on record
1845
-2.3°C vs. 1951–1980

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

Is Hanamaki getting hotter?

Since 1900, Hanamaki's average temperature has risen by +2.9°C. Compared to the earliest station records that begin in 1825, warming totals +2.8°C.

10.3°11.2°12.0°12.9°13.8°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 Hanamaki?

Hanamaki's average annual daytime high is 15.4°C, based on the 1951 to 1980 baseline period. The warmest month is August, with highs averaging 28.4°C, and the coldest is January, with lows averaging -5.2°C.

What is the warmest month in Hanamaki?

August is the warmest month in Hanamaki, with typical daytime highs of 28.4°C.

What is the hottest year on record for Hanamaki?

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

Is Hanamaki getting hotter?

Yes. Since 1900, Hanamaki has warmed by roughly +2.9°C.

When is the best time to visit Hanamaki?

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.