Monterey weather in October
October in Monterey: nice, dry, with clean air — an excellent time to visit.
#5 of 12 months in Monterey · #331 of 897 destinations to visit in October · comfort 83/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Monterey in October
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Monterey climate normals — October
| Daytime high | 19°C / 66°F | 😎 nice |
|---|---|---|
| Nighttime low | 13°C / 55°F | |
| Rainfall | 15 mm / 0.6 in | ☀️ dry |
| Rainy days | 2 days | |
| Humidity | 80% | 💦 very humid |
| Dew point | 12°C / 53°F | |
| Sunshine | 9.8 h/day | |
| Daylight | 11.2 h | |
| Wind | 12 km/h / 8 mph | |
| Air quality (US AQI) | 35 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Monterey in October — FAQ
- Is October a good time to visit Monterey?
- October in Monterey: nice, dry, with clean air — an excellent time to visit. It ranks #5 of 12 months for Monterey on SeasonMap's comfort score (83/100).
- What is the weather like in Monterey in October?
- In October, Monterey averages a daily high of 18.9°C and a low of 12.8°C, with about 15.3 mm of rain over roughly 1.6 rainy days.
- What is the air quality in Monterey in October?
- Monterey has a mean US Air Quality Index of about 35 in October.