Average annual temperature is 15.2 °C
Absolute maximum temperature: 38.3 °C
Absolute minimum temperature: -6.8 °C
Number of sunny days: 177 days
Number of rainy days: 186 days
Number of snow days: 2 days
Look at detailed online map of Acton
* Weather data for Acton 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) | 18.7 | 24.2 | 24.7 | 28.6 | 29.9 | 32.8 | 36.9 | 38.3 | 33.4 | 30.3 | 26.3 | 18.6 |
| Average daytime temperature (°C) | 10.9 | 14.3 | 14.9 | 20.4 | 24.8 | 28.8 | 31.2 | 30.2 | 28.2 | 21.6 | 15.5 | 11.6 |
| Average temperature (°C) | 6.5 | 8.3 | 8.8 | 13.9 | 18.5 | 22.2 | 25.3 | 24.4 | 21.8 | 16.0 | 9.5 | 6.5 |
| Average night temperature (°C) | 3.1 | 3.9 | 4.2 | 8.7 | 13.3 | 16.7 | 20.6 | 19.6 | 16.5 | 11.6 | 5.4 | 3.0 |
| Absolute minimum temperature (°C) | -4.3 | -5.8 | -6.8 | 1.7 | 5.0 | 11.3 | 16.7 | 14.0 | 12.2 | -0.8 | -3.9 | -5.8 |
| 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 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.4 | 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) | 4.9 | 6.8 | 8.0 | 9.6 | 10.6 | 11.0 | 11.3 | 10.5 | 10.5 | 7.6 | 7.5 | 5.8 |
| Precipitation (mm) | 137 | 95 | 150 | 106 | 83 | 141 | 65 | 104 | 35 | 74 | 57 | 73 |
| Sunny days | 10 | 14 | 19 | 18 | 13 | 15 | 7 | 10 | 15 | 19 | 22 | 15 |
| Rainy days | 20 | 14 | 11 | 12 | 18 | 15 | 24 | 21 | 15 | 12 | 8 | 16 |
| Snow days | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Acton during the most sunny months:
The largest precipitation sum in Acton is at