Average annual temperature is 13.6 °C
Absolute maximum temperature: 34.7 °C
Absolute minimum temperature: -16.0 °C
Number of sunny days: 181 days
Number of rainy days: 173 days
Number of snow days: 11 days
Look at detailed online map of Secheon
* Weather data for Secheon South Korea is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 14.9 | 12.3 | 24.7 | 26.8 | 31.2 | 34.7 | 33.0 | 34.2 | 30.0 | 22.3 | 24.0 | 18.0 |
| Average daytime temperature (°C) | 3.8 | 7.2 | 16.4 | 19.4 | 24.0 | 29.0 | 29.4 | 30.5 | 26.3 | 19.5 | 11.5 | 6.0 |
| Average temperature (°C) | -1.0 | 1.6 | 9.5 | 13.2 | 18.4 | 23.2 | 25.6 | 26.4 | 22.4 | 14.4 | 6.8 | 2.0 |
| Average night temperature (°C) | -5.4 | -2.6 | 3.4 | 7.9 | 13.3 | 18.5 | 22.7 | 23.0 | 19.1 | 9.7 | 2.3 | -1.8 |
| Absolute minimum temperature (°C) | -16.0 | -6.8 | -3.6 | 1.5 | 5.0 | 14.3 | 18.9 | 18.0 | 13.8 | 4.5 | -6.8 | -12.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 10.3 | 9.7 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.1 | 7.3 | 9.1 | 7.7 | 8.1 | 10.0 | 7.2 | 9.4 | 7.3 | 8.8 | 7.2 | 5.7 |
| Precipitation (mm) | 43 | 7 | 29 | 59 | 111 | 175 | 491 | 391 | 247 | 13 | 62 | 92 |
| Sunny days | 16 | 21 | 24 | 12 | 18 | 12 | 4 | 5 | 9 | 24 | 18 | 18 |
| Rainy days | 10 | 6 | 7 | 18 | 13 | 18 | 27 | 26 | 21 | 7 | 12 | 8 |
| Snow days | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 |
The best time to visit Secheon during the most sunny months:
The largest precipitation sum in Secheon is at