ClimateAverages

Hwaseong-si Climate

Gyeonggi-do, South Korea · population 476,297 · 146 weather stations within 200 km · records 1757 to 2025

Right now
21°C
Partly Cloudy · feels like 15°C
Humidity
91%
Wind
12 kph SSW
UV
0
Rain
0%
Updated Jul 9, 08:45 PMWeather data by WeatherAPI.com
Average annual daytime high
16.2°C
Warmest month · August
29.1°C
Typical daytime high
Coldest month · January
-7.5°C
Typical overnight low

Hwaseong-si has an average annual daytime high of 16.2°C, based on the 1951 to 1980 baseline. Its warmest month is August, when highs typically reach 29.1°C, and its coldest is January, with overnight lows near -7.5°C.

Month by month averages

MonthAvg highAvg low
January1.6°C-7.5°CColdest
February3.6°C-5.2°C
March8.9°C-0.4°C
April15.9°C5.8°C
May21.6°C11.7°C
June24.9°C16.5°C
July28.0°C21.1°C
August29.1°C21.8°CWarmest
September25.1°C16.2°C
October19.3°C8.8°C
November11.8°C2.3°C
December4.6°C-4.2°C

Temperature range across the year

-9°1°11°21°31°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
2023
+2.0°C vs. 1951–1980
Coldest year on record
1912
-1.6°C vs. 1951–1980

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

Is Hwaseong-si getting hotter?

Since 1900, Hwaseong-si's average temperature has risen by +2.4°C. Compared to the earliest station records that begin in 1757, warming totals +2.2°C.

10.7°11.5°12.2°13.0°13.8°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 Hwaseong-si?

Hwaseong-si's average annual daytime high is 16.2°C, based on the 1951 to 1980 baseline period. The warmest month is August, with highs averaging 29.1°C, and the coldest is January, with lows averaging -7.5°C.

What is the warmest month in Hwaseong-si?

August is the warmest month in Hwaseong-si, with typical daytime highs of 29.1°C.

What is the hottest year on record for Hwaseong-si?

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

Is Hwaseong-si getting hotter?

Yes. Since 1900, Hwaseong-si has warmed by roughly +2.4°C.

When is the best time to visit Hwaseong-si?

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.