Average annual temperature is 10.7 °C
Absolute maximum temperature: 33.4 °C
Absolute minimum temperature: -25.3 °C
Number of sunny days: 163 days
Number of rainy days: 191 days
Number of snow days: 11 days
Look at detailed online map of Town of Ayer
* Weather data for Town of Ayer 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) | 11.9 | 15.3 | 16.3 | 31.3 | 30.5 | 33.0 | 32.0 | 28.7 | 33.4 | 27.5 | 18.2 | 16.3 |
| Average daytime temperature (°C) | 5.3 | 5.5 | 7.5 | 16.0 | 21.2 | 23.5 | 27.9 | 25.5 | 22.8 | 18.5 | 8.9 | 7.7 |
| Average temperature (°C) | 1.4 | -0.1 | 2.5 | 9.7 | 14.5 | 17.9 | 22.9 | 20.5 | 18.1 | 13.5 | 3.8 | 3.0 |
| Average night temperature (°C) | -2.4 | -5.1 | -2.0 | 4.9 | 8.7 | 13.3 | 18.8 | 16.5 | 14.5 | 9.5 | -0.1 | -0.3 |
| Absolute minimum temperature (°C) | -11.1 | -25.3 | -8.5 | -3.8 | 2.0 | 6.7 | 13.6 | 12.3 | 6.8 | 1.4 | -5.2 | -6.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.2 | 14.9 | 13.9 | 12.5 | 11.1 | 9.8 | 9.1 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 4.2 | 6.2 | 7.3 | 8.2 | 11.3 | 8.9 | 10.2 | 9.3 | 7.2 | 7.3 | 7.0 | 5.4 |
| Precipitation (mm) | 176 | 54 | 138 | 72 | 78 | 132 | 174 | 132 | 169 | 107 | 43 | 159 |
| Sunny days | 8 | 11 | 15 | 16 | 19 | 6 | 7 | 12 | 12 | 17 | 23 | 17 |
| Rainy days | 19 | 12 | 15 | 14 | 12 | 24 | 24 | 19 | 18 | 14 | 7 | 13 |
| Snow days | 4 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Town of Ayer during the most sunny months:
The largest precipitation sum in Town of Ayer is at