Average annual temperature is 13.6 °C
Absolute maximum temperature: 34.4 °C
Absolute minimum temperature: -13.7 °C
Number of sunny days: 171 days
Number of rainy days: 183 days
Number of snow days: 11 days
Look at detailed online map of Annaesan
* Weather data for Annaesan 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) | 15.9 | 12.7 | 22.7 | 26.0 | 31.0 | 33.4 | 32.1 | 34.4 | 29.9 | 22.6 | 23.3 | 17.6 |
| Average daytime temperature (°C) | 4.5 | 8.1 | 16.3 | 18.4 | 23.0 | 27.8 | 28.5 | 30.2 | 26.6 | 19.6 | 12.0 | 6.6 |
| Average temperature (°C) | 0.0 | 2.6 | 9.4 | 12.7 | 17.8 | 22.3 | 24.9 | 25.9 | 22.2 | 14.2 | 7.2 | 2.7 |
| Average night temperature (°C) | -3.9 | -1.7 | 3.8 | 7.5 | 13.1 | 18.0 | 21.9 | 22.3 | 18.5 | 9.6 | 2.9 | -0.6 |
| Absolute minimum temperature (°C) | -13.7 | -5.8 | -4.0 | -0.4 | 4.3 | 13.9 | 18.7 | 17.6 | 12.7 | 5.2 | -5.8 | -10.6 |
| 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) | 6.9 | 7.3 | 8.9 | 7.7 | 8.0 | 9.3 | 7.0 | 9.7 | 7.8 | 8.7 | 7.6 | 5.9 |
| Precipitation (mm) | 48 | 24 | 45 | 98 | 170 | 247 | 498 | 275 | 175 | 21 | 113 | 112 |
| Sunny days | 20 | 20 | 22 | 13 | 14 | 15 | 1 | 4 | 9 | 21 | 19 | 13 |
| Rainy days | 6 | 8 | 9 | 17 | 17 | 15 | 30 | 27 | 21 | 10 | 11 | 12 |
| Snow days | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 |
The largest precipitation sum in Annaesan is at