ClimateAverages

Hwasun Climate

Jeollanam-do, South Korea · population 59,914 · 81 weather stations within 200 km · records 1819 to 2025

Average annual daytime high
18.5°C
Warmest month · August
31.1°C
Typical daytime high
Coldest month · January
-5.2°C
Typical overnight low

Hwasun has an average annual daytime high of 18.5°C, based on the 1951 to 1980 baseline. Its warmest month is August, when highs typically reach 31.1°C, and its coldest is January, with overnight lows near -5.2°C.

Month by month averages

MonthAvg highAvg low
January3.8°C-5.2°CColdest
February6.3°C-3.5°C
March11.8°C0.0°C
April18.6°C5.8°C
May24.3°C11.3°C
June27.4°C16.5°C
July29.8°C21.7°C
August31.1°C21.8°CWarmest
September26.6°C15.9°C
October21.3°C8.3°C
November14.0°C2.5°C
December6.9°C-2.9°C

Temperature range across the year

-7°3°13°23°33°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
2023
+1.9°C vs. 1951–1980
Coldest year on record
1819
-1.7°C vs. 1951–1980

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

Is Hwasun getting hotter?

Since 1900, Hwasun's average temperature has risen by +2.4°C. Compared to the earliest station records that begin in 1819, warming totals +2.3°C.

12.1°12.9°13.6°14.4°15.1°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 Hwasun?

Hwasun's average annual daytime high is 18.5°C, based on the 1951 to 1980 baseline period. The warmest month is August, with highs averaging 31.1°C, and the coldest is January, with lows averaging -5.2°C.

What is the warmest month in Hwasun?

August is the warmest month in Hwasun, with typical daytime highs of 31.1°C.

What is the hottest year on record for Hwasun?

2023 is the hottest year on record for Hwasun, running +1.9°C above the 1951 to 1980 baseline.

Is Hwasun getting hotter?

Yes. Since 1900, Hwasun has warmed by roughly +2.4°C.

When is the best time to visit Hwasun?

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.