Average annual temperature is 13.3 °C
Absolute maximum temperature: 33.4 °C
Absolute minimum temperature: -15.2 °C
Number of sunny days: 160 days
Number of rainy days: 189 days
Number of snow days: 16 days
Look at detailed online map of Jeonam
* Weather data for Jeonam 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) | 15.0 | 12.3 | 22.0 | 25.6 | 29.6 | 33.3 | 32.0 | 33.4 | 30.0 | 21.8 | 23.2 | 17.4 |
| Average daytime temperature (°C) | 3.7 | 7.1 | 15.2 | 17.6 | 22.3 | 26.8 | 28.3 | 29.6 | 26.0 | 19.2 | 11.4 | 6.2 |
| Average temperature (°C) | -0.7 | 1.9 | 8.9 | 12.2 | 17.5 | 21.5 | 24.7 | 25.6 | 22.2 | 14.7 | 7.3 | 2.6 |
| Average night temperature (°C) | -4.6 | -1.5 | 4.4 | 7.9 | 13.6 | 17.8 | 22.2 | 22.5 | 19.3 | 11.3 | 3.4 | -0.4 |
| Absolute minimum temperature (°C) | -15.2 | -6.4 | -2.7 | 1.8 | 7.2 | 14.0 | 18.2 | 18.2 | 14.8 | 6.1 | -6.0 | -10.8 |
| 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) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.2 | 7.3 | 8.8 | 7.3 | 7.6 | 9.0 | 6.3 | 9.6 | 7.8 | 8.4 | 7.1 | 5.7 |
| Precipitation (mm) | 48 | 17 | 48 | 102 | 185 | 190 | 490 | 354 | 192 | 16 | 97 | 102 |
| Sunny days | 21 | 20 | 23 | 12 | 13 | 12 | 2 | 1 | 8 | 19 | 17 | 12 |
| Rainy days | 5 | 6 | 8 | 18 | 18 | 18 | 29 | 30 | 22 | 12 | 12 | 11 |
| Snow days | 5 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 8 |
The largest precipitation sum in Jeonam is at