ClimateAverages

Anseong Climate

Gyeonggi-do, South Korea · population 69,255 · 161 weather stations within 200 km · records 1819 to 2025

Average annual daytime high
16.5°C
Warmest month · August
29.4°C
Typical daytime high
Coldest month · January
-9.5°C
Typical overnight low

Anseong has an average annual daytime high of 16.5°C, based on the 1951 to 1980 baseline. Its warmest month is August, when highs typically reach 29.4°C, and its coldest is January, with overnight lows near -9.5°C.

Month by month averages

MonthAvg highAvg low
January0.7°C-9.5°CColdest
February3.6°C-6.8°C
March9.7°C-1.9°C
April17.3°C4.3°C
May23.5°C10.4°C
June26.6°C15.8°C
July28.8°C20.6°C
August29.4°C20.6°CWarmest
September24.9°C14.0°C
October19.1°C6.0°C
November11.0°C-0.3°C
December3.3°C-6.5°C

Temperature range across the year

-12°-1°10°21°31°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
2023
+2.0°C vs. 1951–1980
Coldest year on record
1822
-2.1°C vs. 1951–1980

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

Is Anseong getting hotter?

Since 1900, Anseong's average temperature has risen by +2.4°C. Compared to the earliest station records that begin in 1819, warming totals +2.2°C.

10.1°10.9°11.7°12.5°13.2°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 Anseong?

Anseong's average annual daytime high is 16.5°C, based on the 1951 to 1980 baseline period. The warmest month is August, with highs averaging 29.4°C, and the coldest is January, with lows averaging -9.5°C.

What is the warmest month in Anseong?

August is the warmest month in Anseong, with typical daytime highs of 29.4°C.

What is the hottest year on record for Anseong?

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

Is Anseong getting hotter?

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

When is the best time to visit Anseong?

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.