Average annual temperature is 11.8 °C
Absolute maximum temperature: 34.1 °C
Absolute minimum temperature: -11.7 °C
Number of sunny days: 150 days
Number of rainy days: 205 days
Number of snow days: 10 days
Look at detailed online map of Borough of Sewickley
* Weather data for Borough of Sewickley 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) | 15.2 | 20.5 | 20.2 | 27.3 | 31.0 | 34.1 | 31.9 | 31.5 | 33.0 | 27.4 | 18.0 | 15.8 |
| Average daytime temperature (°C) | 6.9 | 10.4 | 9.7 | 18.0 | 22.0 | 25.7 | 28.3 | 27.0 | 24.1 | 17.9 | 10.9 | 8.3 |
| Average temperature (°C) | 2.8 | 3.6 | 4.1 | 11.2 | 15.2 | 19.4 | 22.5 | 21.1 | 18.3 | 12.9 | 5.6 | 4.3 |
| Average night temperature (°C) | -0.2 | -1.2 | -0.3 | 5.4 | 9.0 | 13.9 | 18.0 | 16.5 | 13.6 | 9.0 | 1.5 | 1.3 |
| Absolute minimum temperature (°C) | -6.8 | -11.7 | -7.7 | -2.2 | 1.8 | 9.0 | 14.5 | 11.5 | 8.4 | 1.1 | -7.2 | -5.0 |
| 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 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 11.9 | 13.3 | 14.4 | 15.0 | 14.7 | 13.7 | 12.5 | 11.1 | 10.0 | 9.3 |
| 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) | 2.8 | 6.8 | 6.2 | 8.5 | 10.6 | 10.8 | 11.4 | 11.0 | 8.9 | 6.3 | 6.7 | 4.1 |
| Precipitation (mm) | 107 | 58 | 123 | 59 | 73 | 127 | 107 | 81 | 36 | 85 | 44 | 74 |
| Sunny days | 7 | 14 | 12 | 13 | 20 | 13 | 5 | 10 | 13 | 13 | 19 | 11 |
| Rainy days | 20 | 13 | 16 | 17 | 11 | 17 | 26 | 21 | 17 | 18 | 10 | 19 |
| Snow days | 4 | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
The best time to visit Borough of Sewickley during the most sunny months:
The largest precipitation sum in Borough of Sewickley is at