Average annual temperature is 14.9 °C
Absolute maximum temperature: 38.4 °C
Absolute minimum temperature: -11.8 °C
Number of sunny days: 223 days
Number of rainy days: 139 days
Number of snow days: 3 days
Look at detailed online map of Andover
* Weather data for Andover 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) | 14.4 | 18.8 | 25.9 | 31.7 | 31.3 | 35.9 | 35.7 | 38.4 | 34.0 | 31.8 | 22.5 | 17.1 |
| Average daytime temperature (°C) | 8.3 | 10.3 | 14.1 | 22.5 | 26.1 | 30.2 | 32.1 | 32.9 | 29.7 | 21.5 | 13.6 | 9.9 |
| Average temperature (°C) | 2.4 | 3.4 | 7.5 | 14.3 | 19.8 | 24.3 | 26.5 | 26.9 | 23.5 | 15.9 | 8.1 | 5.1 |
| Average night temperature (°C) | -1.4 | -2.1 | 2.5 | 8.1 | 14.3 | 18.9 | 21.6 | 21.7 | 18.4 | 11.1 | 3.4 | 1.6 |
| Absolute minimum temperature (°C) | -11.8 | -11.6 | -7.6 | -1.1 | 4.8 | 13.9 | 16.8 | 15.7 | 12.9 | -3.7 | -10.0 | -4.6 |
| 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 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.2 | 9.6 |
| 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) | 7.2 | 8.3 | 8.2 | 10.1 | 10.4 | 12.3 | 12.0 | 12.1 | 10.1 | 8.2 | 7.6 | 5.6 |
| Precipitation (mm) | 50 | 50 | 22 | 43 | 69 | 69 | 100 | 25 | 21 | 88 | 51 | 66 |
| Sunny days | 22 | 18 | 18 | 19 | 13 | 10 | 16 | 22 | 24 | 19 | 23 | 19 |
| Rainy days | 9 | 9 | 13 | 11 | 18 | 20 | 15 | 9 | 6 | 12 | 5 | 12 |
| Snow days | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 |
The best time to visit Andover during the most sunny months:
The largest precipitation sum in Andover is at