Santa Cruz weather in August
August in Santa Cruz: warm, a little rain — an excellent time to visit.
#3 of 12 months in Santa Cruz · #280 of 897 destinations to visit in August · comfort 87/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Santa Cruz in August
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Santa Cruz climate normals — August
| Daytime high | 28°C / 83°F | 🌤 warm |
|---|---|---|
| Nighttime low | 19°C / 66°F | |
| Rainfall | 45 mm / 1.8 in | 🌦 some rain |
| Rainy days | 5 days | |
| Humidity | 57% | 🍃 comfortable |
| Dew point | 13°C / 55°F | |
| Sunshine | 9.4 h/day | |
| Daylight | 11.5 h | |
| Wind | 22 km/h / 14 mph | |
| Air quality (US AQI) | 54 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Santa Cruz in August — FAQ
- Is August a good time to visit Santa Cruz?
- August in Santa Cruz: warm, a little rain — an excellent time to visit. It ranks #3 of 12 months for Santa Cruz on SeasonMap's comfort score (87/100).
- What is the weather like in Santa Cruz in August?
- In August, Santa Cruz averages a daily high of 28.1°C and a low of 18.7°C, with about 45.1 mm of rain over roughly 5.2 rainy days.
- What is the air quality in Santa Cruz in August?
- Santa Cruz has a mean US Air Quality Index of about 54 in August.