Cali weather in October
October in Cali: warm, soaked, with clean air — fine if you can take 23 rainy days.
#12 of 12 months in Cali · #699 of 897 destinations to visit in October · comfort 67/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Cali in October
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Cali climate normals — October
| Daytime high | 24°C / 76°F | 🌤 warm |
|---|---|---|
| Nighttime low | 18°C / 65°F | |
| Rainfall | 363 mm / 14.3 in | ⛈ soaked |
| Rainy days | 23 days | |
| Humidity | 83% | 💦 very humid |
| Dew point | 18°C / 65°F | |
| Sunshine | 7.2 h/day | |
| Daylight | 12 h | |
| Wind | 7 km/h / 5 mph | |
| Air quality (US AQI) | 27 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Cali in October — FAQ
- Is October a good time to visit Cali?
- October in Cali: warm, soaked, with clean air — fine if you can take 23 rainy days. It ranks #12 of 12 months for Cali on SeasonMap's comfort score (67/100).
- What is the weather like in Cali in October?
- In October, Cali averages a daily high of 24.4°C and a low of 18.3°C, with about 363.2 mm of rain over roughly 23.4 rainy days.
- What is the air quality in Cali in October?
- Cali has a mean US Air Quality Index of about 27 in October.