Chiang Mai vs San Francisco in December
Chiang Mai is the better pick in December — 86 vs 67 on SeasonMap's comfort score. Chiang Mai is hot, dry, while San Francisco is cool, rainy, clean air.
Chiang Mai vs San Francisco — December climate, side by side
| Chiang Mai | San Francisco | |
|---|---|---|
| Comfort score | 86/100 (A) | 67/100 (C) |
| Feels-like high | 30°C | 12°C |
| Avg high / low | 28° / 16° | 14° / 7° |
| Rainfall | 3 mm | 126 mm |
| Rainy days | 1 | 12 |
| Humidity | 74% | 86% |
| Air quality (AQI) | 79 | 50 |
Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.
Chiang Mai vs San Francisco in December — FAQ
- Is December better in Chiang Mai or San Francisco?
- Chiang Mai is the better pick in December — 86 vs 67 on SeasonMap's comfort score. Chiang Mai is hot, dry, while San Francisco is cool, rainy, clean air.
- What is the weather like in Chiang Mai vs San Francisco in December?
- In December, Chiang Mai averages 28°C high / 16°C low with about 3 mm of rain; San Francisco averages 14°C high / 7°C low with about 126 mm.