ClimateAverages

Gunsan Climate

Jeollabuk-do, South Korea · population 243,406 · 118 weather stations within 200 km · records 1819 to 2025

Average annual daytime high
16.8°C
Warmest month · August
29.5°C
Typical daytime high
Coldest month · January
-4.7°C
Typical overnight low

Gunsan has an average annual daytime high of 16.8°C, based on the 1951 to 1980 baseline. Its warmest month is August, when highs typically reach 29.5°C, and its coldest is January, with overnight lows near -4.7°C.

Month by month averages

MonthAvg highAvg low
January3.5°C-4.7°CColdest
February5.0°C-3.3°C
March9.4°C0.4°C
April15.6°C6.1°C
May20.9°C11.7°C
June24.2°C16.5°C
July27.8°C21.4°C
August29.5°C22.2°CWarmest
September25.4°C17.0°C
October19.9°C10.0°C
November13.2°C4.0°C
December6.7°C-1.8°C

Temperature range across the year

-7°3°12°22°31°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
2023
+2.0°C vs. 1951–1980
Coldest year on record
1912
-1.5°C vs. 1951–1980

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

Is Gunsan getting hotter?

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

11.7°12.5°13.2°14.0°14.7°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 Gunsan?

Gunsan's average annual daytime high is 16.8°C, based on the 1951 to 1980 baseline period. The warmest month is August, with highs averaging 29.5°C, and the coldest is January, with lows averaging -4.7°C.

What is the warmest month in Gunsan?

August is the warmest month in Gunsan, with typical daytime highs of 29.5°C.

What is the hottest year on record for Gunsan?

2023 is the hottest year on record for Gunsan, running +2.0°C above the 1951 to 1980 baseline.

Is Gunsan getting hotter?

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

When is the best time to visit Gunsan?

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.