Weather in Cheonan in October
In an average October, Cheonan sees a daily high around 20°C and a low around 10°C, based on 1980–2026 of local climate records.
| Average high | 20°C |
|---|---|
| Typical high range | 16°C to 24°C |
| Average low | 10°C |
| Typical low range | 5°C to 14°C |
| Average daily precipitation | 3 mm |
October records
The most extreme October on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total October accumulation.
High
Highest
30°C
2021-10-03
Lowest
8°C
1980-10-26
Low
Highest
21°C
2019-10-01
Lowest
-2°C
1982-10-24
Feels-like
Highest
34°C
2021-10-03
Lowest
-9°C
1982-10-24
Humidity
Highest
18.0 g/m³
2025-10-05
Lowest
2.7 g/m³
2010-10-26
Wind
Highest
38 km/h
1994-10-11
Lowest
5 km/h
2013-10-09
Gust
Highest
85 km/h
1994-10-12
Lowest
11 km/h
2005-10-05
Precip
Wettest
206 mm
1985
Driest
3 mm
2004
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