Climate normals · 1970–2000
Cheonan Climate
Cheonan is a city in South Korea (17) with a population of about 658,831. Its average annual temperature is 11.9°C (53°F), with roughly 1284 mm of rain per year.
11.9°C
Avg Temp
1284
Precip (mm/yr)
Aug
Hottest Month
Jan
Coldest Month
Cheonan Climate
Cheonan has an average annual temperature of 11.9°C (53°F) and receives about 1284 mm of precipitation per year. The warmest month is August and the coldest is January. Figures are 1970–2000 climate normals.
11.9°C
Avg Temp
1284
Precip (mm/yr)
Aug
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -3° / 27° | 28 mm |
| February | -1° / 31° | 33 mm |
| March | 5° / 41° | 50 mm |
| April | 12° / 53° | 88 mm |
| May | 17° / 63° | 93 mm |
| June | 22° / 71° | 139 mm |
| July | 25° / 77° | 306 mm |
| August | 25° / 78° | 266 mm |
| September | 20° / 68° | 148 mm |
| October | 14° / 56° | 52 mm |
| November | 6° / 43° | 51 mm |
| December | 0° / 32° | 30 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Cheonan
The most comfortable months to visit Cheonan are typically June, September and May, when temperatures are mildest and rainfall is relatively low. The hottest month is August (around 30°C high). The coldest is January (near -8°C low). July is usually the wettest month.
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Frequently Asked Questions
The most comfortable months to visit Cheonan are typically June, September and May, when temperatures are mildest and rainfall is relatively low (1970–2000 climate normals).
Cheonan, South Korea has an average annual temperature of 11.9°C and about 1284 mm of precipitation per year. The warmest month is August and the coldest is January.
In August, the hottest month, daily highs in Cheonan average about 30°C (85°F).
Monthly climate normals (1970–2000) sampled from WorldClim 2.1 at ~9 km resolution. Humidity derived from vapor pressure. City coordinates and population from GeoNames.