SeasonMapPhiladelphia vs Seattle in December
Philadelphia is the better pick in December — 56 vs 49 on SeasonMap's comfort score. Philadelphia is cold, rainy, clean air, while Seattle is cold, rainy, clean air.
Philadelphia vs Seattle — December climate, side by side
| Philadelphia | Seattle | |
|---|---|---|
| Comfort score | 56/100 (D) | 49/100 (F) |
| Feels-like high | 4°C | 5°C |
| Avg high / low | 8° / 1° | 8° / 2° |
| Rainfall | 109 mm | 103 mm |
| Rainy days | 10 | 14 |
| Humidity | 70% | 87% |
| Air quality (AQI) | 49 | 38 |
Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.
Philadelphia vs Seattle in December — FAQ
- Is December better in Philadelphia or Seattle?
- Philadelphia is the better pick in December — 56 vs 49 on SeasonMap's comfort score. Philadelphia is cold, rainy, clean air, while Seattle is cold, rainy, clean air.
- What is the weather like in Philadelphia vs Seattle in December?
- In December, Philadelphia averages 8°C high / 1°C low with about 109 mm of rain; Seattle averages 8°C high / 2°C low with about 103 mm.