ClimateAverages

Haeju Climate

Hwanghae-namdo, North Korea · population 222,396 · 88 weather stations within 200 km · records 1757 to 2025

Average annual daytime high
15.2°C
Warmest month · August
28.4°C
Typical daytime high
Coldest month · January
-9.7°C
Typical overnight low

Haeju has an average annual daytime high of 15.2°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 -9.7°C.

Month by month averages

MonthAvg highAvg low
January-0.9°C-9.7°CColdest
February1.8°C-7.3°C
March7.8°C-2.0°C
April15.6°C4.5°C
May22.2°C10.7°C
June25.4°C15.8°C
July27.5°C20.4°C
August28.4°C20.6°CWarmest
September24.4°C14.3°C
October18.2°C6.8°C
November9.7°C0.3°C
December1.7°C-6.4°C

Temperature range across the year

-12°-1°9°20°30°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
2023
+2.2°C vs. 1951–1980
Coldest year on record
1823
-2.1°C vs. 1951–1980

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

Is Haeju getting hotter?

Since 1900, Haeju's average temperature has risen by +2.3°C. Compared to the earliest station records that begin in 1757, warming totals +2.1°C.

9.5°10.3°11.0°11.8°12.6°1951–1980 baseline190019251950197520002025

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

Best time to visit
April to October

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

FAQ

What is the average temperature in Haeju?

Haeju's average annual daytime high is 15.2°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 -9.7°C.

What is the warmest month in Haeju?

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

What is the hottest year on record for Haeju?

2023 is the hottest year on record for Haeju, running +2.2°C above the 1951 to 1980 baseline.

Is Haeju getting hotter?

Yes. Since 1900, Haeju has warmed by roughly +2.3°C.

When is the best time to visit Haeju?

April 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.