SeasonMapSan Francisco vs Washington in December
San Francisco is the better pick in December — 67 vs 58 on SeasonMap's comfort score. San Francisco is cool, rainy, clean air, while Washington is cold, rainy, clean air.
San Francisco vs Washington — December climate, side by side
| San Francisco | Washington | |
|---|---|---|
| Comfort score | 67/100 (C) | 58/100 (D) |
| Feels-like high | 13°C | 6°C |
| Avg high / low | 15° / 9° | 9° / -1° |
| Rainfall | 121 mm | 106 mm |
| Rainy days | 9 | 8 |
| Humidity | 82% | 71% |
| Air quality (AQI) | 50 | 46 |
Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.
San Francisco vs Washington in December — FAQ
- Is December better in San Francisco or Washington?
- San Francisco is the better pick in December — 67 vs 58 on SeasonMap's comfort score. San Francisco is cool, rainy, clean air, while Washington is cold, rainy, clean air.
- What is the weather like in San Francisco vs Washington in December?
- In December, San Francisco averages 15°C high / 9°C low with about 121 mm of rain; Washington averages 9°C high / -1°C low with about 106 mm.