SeasonMapNapa vs San Francisco in December
San Francisco is the better pick in December — 67 vs 63 on SeasonMap's comfort score. San Francisco is cool, rainy, clean air, while Napa is cool, rainy, clean air.
Napa vs San Francisco — December climate, side by side
| Napa | San Francisco | |
|---|---|---|
| Comfort score | 63/100 (C) | 67/100 (C) |
| Feels-like high | 13°C | 13°C |
| Avg high / low | 15° / 5° | 15° / 9° |
| Rainfall | 136 mm | 121 mm |
| Rainy days | 10 | 9 |
| Humidity | 79% | 82% |
| Air quality (AQI) | 35 | 50 |
Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.
Napa vs San Francisco in December — FAQ
- Is December better in Napa or San Francisco?
- San Francisco is the better pick in December — 67 vs 63 on SeasonMap's comfort score. San Francisco is cool, rainy, clean air, while Napa is cool, rainy, clean air.
- What is the weather like in Napa vs San Francisco in December?
- In December, Napa averages 15°C high / 5°C low with about 136 mm of rain; San Francisco averages 15°C high / 9°C low with about 121 mm.