Average annual temperature is 13.7 °C
Absolute maximum temperature: 36.7 °C
Absolute minimum temperature: -15.4 °C
Number of sunny days: 235 days
Number of rainy days: 118 days
Number of snow days: 12 days
Look at detailed online map of Seneca
* Weather data for Seneca 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 | 20.2 | 23.6 | 29.5 | 30.5 | 35.6 | 36.7 | 35.1 | 35.4 | 28.3 | 27.1 | 20.6 |
| Average daytime temperature (°C) | 9.3 | 12.3 | 15.2 | 21.2 | 24.3 | 27.5 | 32.5 | 31.2 | 29.1 | 21.5 | 16.1 | 11.5 |
| Average temperature (°C) | 2.7 | 3.9 | 7.0 | 12.5 | 17.4 | 20.4 | 25.2 | 24.7 | 22.2 | 14.2 | 8.7 | 4.6 |
| Average night temperature (°C) | -1.8 | -1.8 | 0.8 | 5.6 | 11.6 | 14.5 | 18.6 | 18.5 | 16.2 | 8.2 | 3.4 | -0.2 |
| Absolute minimum temperature (°C) | -14.7 | -15.4 | -6.1 | -4.0 | 7.2 | 9.1 | 14.7 | 14.7 | 11.4 | -5.9 | -5.2 | -5.4 |
| 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) | 10.0 | 10.8 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 10.2 | 9.7 |
| 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) | 8.1 | 8.8 | 9.8 | 10.7 | 10.7 | 12.2 | 12.4 | 12.0 | 10.3 | 9.7 | 8.4 | 7.5 |
| Precipitation (mm) | 10 | 29 | 7 | 27 | 47 | 61 | 34 | 21 | 33 | 10 | 3 | 23 |
| Sunny days | 24 | 19 | 22 | 22 | 12 | 10 | 13 | 20 | 23 | 24 | 23 | 23 |
| Rainy days | 5 | 6 | 8 | 8 | 19 | 20 | 18 | 11 | 7 | 7 | 4 | 5 |
| Snow days | 2 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 |
The largest precipitation sum in Seneca is at