Santa Cruz weather in January
January in Santa Cruz: hot, soaked, with clean air — fine if you can take 16 rainy days.
#12 of 12 months in Santa Cruz · #513 of 897 destinations to visit in January · comfort 68/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Santa Cruz in January
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Santa Cruz climate normals — January
| Daytime high | 30°C / 86°F | 🥵 hot |
|---|---|---|
| Nighttime low | 23°C / 73°F | |
| Rainfall | 168 mm / 6.6 in | ⛈ soaked |
| Rainy days | 16 days | |
| Humidity | 74% | 💧 humid |
| Dew point | 21°C / 69°F | |
| Sunshine | 10.2 h/day | |
| Daylight | 13.1 h | |
| Wind | 19 km/h / 12 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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Santa Cruz in January — FAQ
- Is January a good time to visit Santa Cruz?
- January in Santa Cruz: hot, soaked, with clean air — fine if you can take 16 rainy days. It ranks #12 of 12 months for Santa Cruz on SeasonMap's comfort score (68/100).
- What is the weather like in Santa Cruz in January?
- In January, Santa Cruz averages a daily high of 30.2°C and a low of 22.5°C, with about 167.7 mm of rain over roughly 15.8 rainy days.
- What is the air quality in Santa Cruz in January?
- Santa Cruz has a mean US Air Quality Index of about 31 in January.