Average annual temperature is 16.9 °C
Absolute maximum temperature: 40.2 °C
Absolute minimum temperature: -6.6 °C
Number of sunny days: 208 days
Number of rainy days: 156 days
Number of snow days: 1 day
Look at detailed online map of Aetna
* Weather data for Aetna 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) | 21.4 | 22.9 | 24.4 | 28.4 | 33.1 | 39.0 | 38.6 | 40.2 | 35.9 | 31.2 | 27.1 | 18.2 |
| Average daytime temperature (°C) | 11.8 | 14.2 | 16.4 | 21.3 | 28.1 | 32.5 | 34.1 | 33.5 | 30.3 | 23.5 | 16.3 | 12.6 |
| Average temperature (°C) | 6.8 | 8.5 | 10.4 | 15.3 | 21.3 | 25.6 | 27.6 | 27.1 | 23.6 | 17.8 | 10.5 | 7.7 |
| Average night temperature (°C) | 3.1 | 4.2 | 5.7 | 10.1 | 15.4 | 19.4 | 22.6 | 22.3 | 18.0 | 13.2 | 6.0 | 4.0 |
| Absolute minimum temperature (°C) | -5.6 | -6.6 | -5.8 | 3.9 | 7.5 | 14.6 | 17.2 | 16.2 | 13.1 | -1.7 | -2.9 | -3.3 |
| 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) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 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) | 5.7 | 6.9 | 7.8 | 9.3 | 11.1 | 12.6 | 11.5 | 10.7 | 10.7 | 8.2 | 8.0 | 7.0 |
| Precipitation (mm) | 145 | 140 | 199 | 77 | 62 | 69 | 70 | 94 | 28 | 120 | 29 | 56 |
| Sunny days | 17 | 16 | 15 | 19 | 14 | 16 | 11 | 16 | 19 | 20 | 24 | 21 |
| Rainy days | 13 | 12 | 16 | 11 | 17 | 14 | 20 | 15 | 11 | 11 | 6 | 10 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Aetna during the most sunny months:
The largest precipitation sum in Aetna is at