Weather in Philadelphia, Pennsylvania, United States
Historical monthly conditions · 2021–2025
Monthly averages
Average daily air-temperature lows/highs and peak wind gusts. Rain is the average monthly total.
| Month | Avg low | Avg high | Rain | Cloud cover | Avg peak gust |
|---|---|---|---|---|---|
| January | -2°C | 5°C | 82.5 mm | 56% | 42.3 km/h |
| February | -1°C | 7°C | 78.8 mm | 58% | 41.3 km/h |
| March | 3°C | 13°C | 106.6 mm | 54% | 45.1 km/h |
| April | 8°C | 18°C | 103.4 mm | 60% | 43.0 km/h |
| May | 13°C | 23°C | 91.6 mm | 63% | 36.4 km/h |
| June | 18°C | 28°C | 87.7 mm | 58% | 35.1 km/h |
| July | 22°C | 31°C | 126.5 mm | 57% | 32.2 km/h |
| August | 20°C | 29°C | 95.9 mm | 54% | 32.1 km/h |
| September | 17°C | 26°C | 94.6 mm | 53% | 33.8 km/h |
| October | 10°C | 20°C | 79.5 mm | 46% | 35.3 km/h |
| November | 4°C | 14°C | 59.0 mm | 45% | 39.8 km/h |
| December | 0°C | 8°C | 99.2 mm | 58% | 38.2 km/h |
Weather match by month
Feels like 15°C–30°C · cloud ≤60% · rain ≤0.1 mm/h · gust ≤50 km/h
Feels-like temperature accounts for humidity and wind in shade. Percentages cover 08:00–20:00 local solar time.
| Month | Match rate | |
|---|---|---|
| January | 0.0% | |
| February | 0.5% | |
| March | 2.9% | |
| April | 11.2% | |
| May | 24.4% | |
| June | 29.8% | |
| July | 16.6% | |
| August | 30.0% | |
| September | 41.6% | |
| October | 26.3% | |
| November | 8.4% | |
| December | 0.0% |
About this location and data
- Urban-centre population
- 2,232,420
- Elevation
- 45 m
- Coordinates
- 39.98°N, 75.16°W
- Urban area
- 591 km²
Weather averages use 6 ERA5 grid cells, weighted by the area of the urban centre in each cell.
2021-2025 recent-weather sample (not a 30-year normal).
How the weather scores are calculated