SeasonMapSan Francisco vs St. Louis in December
San Francisco is the better pick in December — 67 vs 59 on SeasonMap's comfort score. San Francisco is cool, rainy, clean air, while St. Louis is cold, a little rain, clean air.
San Francisco vs St. Louis — December climate, side by side
| San Francisco | St. Louis | |
|---|---|---|
| Comfort score | 67/100 (C) | 59/100 (D) |
| Feels-like high | 13°C | 5°C |
| Avg high / low | 15° / 9° | 9° / -2° |
| Rainfall | 121 mm | 53 mm |
| Rainy days | 9 | 7 |
| Humidity | 82% | 70% |
| Air quality (AQI) | 50 | 32 |
Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.
San Francisco vs St. Louis in December — FAQ
- Is December better in San Francisco or St. Louis?
- San Francisco is the better pick in December — 67 vs 59 on SeasonMap's comfort score. San Francisco is cool, rainy, clean air, while St. Louis is cold, a little rain, clean air.
- What is the weather like in San Francisco vs St. Louis in December?
- In December, San Francisco averages 15°C high / 9°C low with about 121 mm of rain; St. Louis averages 9°C high / -2°C low with about 53 mm.