Average annual temperature is 13.2 °C
Absolute maximum temperature: 33.4 °C
Absolute minimum temperature: -13.5 °C
Number of sunny days: 182 days
Number of rainy days: 179 days
Number of snow days: 4 days
Look at detailed online map of Josan
* Weather data for Josan 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) | 14.4 | 12.8 | 21.8 | 24.8 | 25.9 | 29.9 | 30.8 | 33.4 | 29.5 | 22.7 | 24.3 | 16.8 |
| Average daytime temperature (°C) | 5.0 | 8.3 | 15.3 | 17.1 | 20.7 | 25.4 | 26.9 | 29.2 | 25.8 | 19.9 | 12.4 | 7.3 |
| Average temperature (°C) | 0.3 | 2.8 | 9.0 | 12.1 | 16.5 | 21.0 | 23.8 | 25.2 | 21.9 | 14.6 | 7.6 | 3.0 |
| Average night temperature (°C) | -3.6 | -1.2 | 4.1 | 7.6 | 12.9 | 17.7 | 21.5 | 22.1 | 18.7 | 10.4 | 3.6 | -0.4 |
| Absolute minimum temperature (°C) | -13.5 | -5.5 | -2.4 | 1.9 | 6.1 | 14.4 | 17.5 | 18.5 | 14.5 | 5.6 | -4.3 | -8.9 |
| 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) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 7.6 | 7.3 | 8.6 | 7.2 | 7.5 | 8.5 | 6.0 | 10.0 | 8.0 | 8.7 | 7.8 | 6.3 |
| Precipitation (mm) | 65 | 33 | 52 | 141 | 240 | 263 | 419 | 352 | 257 | 12 | 109 | 81 |
| Sunny days | 25 | 21 | 23 | 13 | 10 | 12 | 3 | 3 | 8 | 24 | 21 | 19 |
| Rainy days | 5 | 7 | 8 | 17 | 21 | 18 | 28 | 28 | 22 | 7 | 9 | 9 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
The best time to visit Josan during the most sunny months:
The largest precipitation sum in Josan is at