Napa vs San Francisco in January
San Francisco is the better pick in January — 68 vs 64 on SeasonMap's comfort score. San Francisco is cool, rainy, clean air, while Napa is cool, soaked, clean air.
Napa vs San Francisco — January climate, side by side
Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.
Month by month
Napa vs San Francisco in January — FAQ
- Is January better in Napa or San Francisco?
- San Francisco is the better pick in January — 68 vs 64 on SeasonMap's comfort score. San Francisco is cool, rainy, clean air, while Napa is cool, soaked, clean air.
- What is the weather like in Napa vs San Francisco in January?
- In January, Napa averages 16°C high / 5°C low with about 158 mm of rain; San Francisco averages 15°C high / 9°C low with about 123 mm.