Santa Cruz weather in May
May in Santa Cruz: warm, a little rain, with clean air — an excellent time to visit.
#4 of 12 months in Santa Cruz · #358 of 897 destinations to visit in May · comfort 85/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Santa Cruz in May
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Santa Cruz climate normals — May
| Daytime high | 26°C / 78°F | 🌤 warm |
|---|---|---|
| Nighttime low | 18°C / 64°F | |
| Rainfall | 58 mm / 2.3 in | 🌦 some rain |
| Rainy days | 9 days | |
| Humidity | 74% | 💧 humid |
| Dew point | 16°C / 60°F | |
| Sunshine | 8 h/day | |
| Daylight | 11.3 h | |
| Wind | 20 km/h / 12 mph | |
| Air quality (US AQI) | 33 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Santa Cruz in May — FAQ
- Is May a good time to visit Santa Cruz?
- May in Santa Cruz: warm, a little rain, with clean air — an excellent time to visit. It ranks #4 of 12 months for Santa Cruz on SeasonMap's comfort score (85/100).
- What is the weather like in Santa Cruz in May?
- In May, Santa Cruz averages a daily high of 25.7°C and a low of 17.9°C, with about 57.5 mm of rain over roughly 9 rainy days.
- What is the air quality in Santa Cruz in May?
- Santa Cruz has a mean US Air Quality Index of about 33 in May.