Monterey weather in August
August in Monterey: nice, dry, with clean air — one of the best months to visit.
#1 of 12 months in Monterey · #227 of 897 destinations to visit in August · comfort 88/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Monterey in August
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Monterey climate normals — August
| Daytime high | 19°C / 67°F | 😎 nice |
|---|---|---|
| Nighttime low | 14°C / 57°F | |
| Rainfall | 0 mm / 0 in | ☀️ dry |
| Rainy days | 0 days | |
| Humidity | 83% | 💦 very humid |
| Dew point | 13°C / 56°F | |
| Sunshine | 12.2 h/day | |
| Daylight | 13.5 h | |
| Wind | 14 km/h / 8 mph | |
| Air quality (US AQI) | 31 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Monterey in August — FAQ
- Is August a good time to visit Monterey?
- August in Monterey: nice, dry, with clean air — one of the best months to visit. It ranks #1 of 12 months for Monterey on SeasonMap's comfort score (88/100).
- What is the weather like in Monterey in August?
- In August, Monterey averages a daily high of 19.4°C and a low of 14.1°C, with about 0.4 mm of rain over roughly 0 rainy days.
- What is the air quality in Monterey in August?
- Monterey has a mean US Air Quality Index of about 31 in August.