Monterey weather in May
May in Monterey: cool, dry, with clean air — an excellent time to visit.
#6 of 12 months in Monterey · #546 of 897 destinations to visit in May · comfort 80/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Monterey in May
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Monterey climate normals — May
| Daytime high | 16°C / 60°F | 🙂 cool |
|---|---|---|
| Nighttime low | 11°C / 51°F | |
| Rainfall | 22 mm / 0.9 in | ☀️ dry |
| Rainy days | 3 days | |
| Humidity | 81% | 💦 very humid |
| Dew point | 9°C / 48°F | |
| Sunshine | 12.2 h/day | |
| Daylight | 14.1 h | |
| Wind | 16 km/h / 10 mph | |
| Air quality (US AQI) | 39 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Monterey in May — FAQ
- Is May a good time to visit Monterey?
- May in Monterey: cool, dry, with clean air — an excellent time to visit. It ranks #6 of 12 months for Monterey on SeasonMap's comfort score (80/100).
- What is the weather like in Monterey in May?
- In May, Monterey averages a daily high of 15.5°C and a low of 10.8°C, with about 21.6 mm of rain over roughly 3.2 rainy days.
- What is the air quality in Monterey in May?
- Monterey has a mean US Air Quality Index of about 39 in May.