SeasonMapBoston vs Philadelphia in December
Philadelphia is the better pick in December — 56 vs 46 on SeasonMap's comfort score. Philadelphia is cold, rainy, clean air, while Boston is cold, rainy, clean air.
Boston vs Philadelphia — December climate, side by side
| Boston | Philadelphia | |
|---|---|---|
| Comfort score | 46/100 (F) | 56/100 (D) |
| Feels-like high | 1°C | 4°C |
| Avg high / low | 6° / -2° | 8° / 1° |
| Rainfall | 109 mm | 109 mm |
| Rainy days | 9 | 10 |
| Humidity | 72% | 70% |
| Air quality (AQI) | 40 | 49 |
Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.
Boston vs Philadelphia in December — FAQ
- Is December better in Boston or Philadelphia?
- Philadelphia is the better pick in December — 56 vs 46 on SeasonMap's comfort score. Philadelphia is cold, rainy, clean air, while Boston is cold, rainy, clean air.
- What is the weather like in Boston vs Philadelphia in December?
- In December, Boston averages 6°C high / -2°C low with about 109 mm of rain; Philadelphia averages 8°C high / 1°C low with about 109 mm.