Average annual temperature is 10.4 °C
Absolute maximum temperature: 32.4 °C
Absolute minimum temperature: -13.9 °C
Number of sunny days: 139 days
Number of rainy days: 208 days
Number of snow days: 18 days
Look at detailed online map of Annandale
* Weather data for Annandale United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 14.3 | 19.4 | 17.7 | 27.1 | 31.4 | 32.4 | 31.2 | 30.9 | 31.9 | 26.0 | 15.4 | 14.2 |
| Average daytime temperature (°C) | 5.0 | 8.7 | 7.7 | 16.8 | 21.3 | 24.1 | 27.1 | 25.6 | 22.5 | 16.1 | 9.0 | 6.7 |
| Average temperature (°C) | 1.1 | 1.8 | 2.3 | 9.9 | 14.4 | 18.2 | 21.4 | 19.8 | 17.0 | 11.6 | 4.1 | 3.0 |
| Average night temperature (°C) | -1.7 | -3.0 | -1.7 | 4.3 | 8.0 | 12.9 | 16.6 | 15.3 | 12.6 | 8.0 | 0.3 | 0.3 |
| Absolute minimum temperature (°C) | -8.4 | -13.9 | -8.6 | -4.4 | 0.9 | 8.1 | 12.6 | 10.5 | 7.1 | -0.2 | -8.3 | -5.9 |
| 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 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.3 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 2.7 | 6.4 | 5.8 | 8.2 | 10.7 | 10.6 | 11.0 | 10.6 | 8.7 | 5.8 | 6.7 | 3.4 |
| Precipitation (mm) | 141 | 76 | 114 | 91 | 46 | 145 | 118 | 79 | 38 | 90 | 52 | 84 |
| Sunny days | 7 | 10 | 6 | 13 | 21 | 9 | 5 | 8 | 14 | 16 | 18 | 12 |
| Rainy days | 19 | 15 | 20 | 17 | 10 | 21 | 26 | 23 | 16 | 15 | 11 | 15 |
| Snow days | 5 | 3 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 |
The best time to visit Annandale during the most sunny months:
The largest precipitation sum in Annandale is at