SeasonMapPhoenix vs San Diego in October
San Diego is the better pick in October — 89 vs 74 on SeasonMap's comfort score. San Diego is warm, dry, while Phoenix is hot, dry, clean air.
Phoenix vs San Diego — October climate, side by side
| Phoenix | San Diego | |
|---|---|---|
| Comfort score | 74/100 (B) | 89/100 (A) |
| Feels-like high | 31°C | 25°C |
| Avg high / low | 33° / 19° | 25° / 16° |
| Rainfall | 18 mm | 6 mm |
| Rainy days | 1 | 1 |
| Humidity | 32% | 75% |
| Air quality (AQI) | 43 | 63 |
Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.
Phoenix vs San Diego in October — FAQ
- Is October better in Phoenix or San Diego?
- San Diego is the better pick in October — 89 vs 74 on SeasonMap's comfort score. San Diego is warm, dry, while Phoenix is hot, dry, clean air.
- What is the weather like in Phoenix vs San Diego in October?
- In October, Phoenix averages 33°C high / 19°C low with about 18 mm of rain; San Diego averages 25°C high / 16°C low with about 6 mm.