Average annual temperature is 20.7 °C
Absolute maximum temperature: 39.5 °C
Absolute minimum temperature: -0.3 °C
Number of sunny days: 172 days
Number of rainy days: 193 days
Look at detailed online map of Philadelphia
* Weather data for Philadelphia 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) | 25.6 | 28.3 | 29.7 | 31.4 | 34.3 | 36.5 | 36.9 | 39.5 | 35.1 | 30.8 | 26.9 | 24.5 |
| Average daytime temperature (°C) | 19.3 | 22.4 | 24.2 | 26.9 | 29.2 | 31.7 | 33.7 | 36.3 | 31.6 | 26.0 | 20.2 | 16.7 |
| Average temperature (°C) | 13.4 | 16.3 | 17.8 | 20.4 | 23.0 | 26.0 | 28.1 | 29.9 | 25.6 | 20.2 | 14.8 | 11.8 |
| Average night temperature (°C) | 8.8 | 12.0 | 12.9 | 15.1 | 17.7 | 21.3 | 23.7 | 25.0 | 20.8 | 15.1 | 10.5 | 7.8 |
| Absolute minimum temperature (°C) | -0.3 | 1.2 | 0.2 | 9.7 | 10.1 | 19.0 | 20.7 | 22.8 | 16.9 | 9.3 | 1.3 | 0.2 |
| 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 | 10.0 |
| Daylight mean duration (h) | 10.4 | 11.1 | 12.0 | 12.9 | 13.7 | 14.1 | 13.9 | 13.3 | 12.4 | 11.4 | 10.6 | 10.2 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 7.1 | 7.5 | 8.9 | 9.4 | 10.6 | 10.5 | 11.3 | 11.1 | 9.8 | 9.1 | 6.8 | 6.4 |
| Precipitation (mm) | 160 | 76 | 120 | 95 | 86 | 118 | 107 | 90 | 146 | 60 | 96 | 152 |
| Sunny days | 14 | 12 | 15 | 16 | 13 | 8 | 6 | 10 | 16 | 25 | 18 | 19 |
| Rainy days | 17 | 16 | 16 | 14 | 18 | 22 | 25 | 21 | 14 | 6 | 12 | 12 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Philadelphia is at