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Santa Cruz Weather by Month
Average temperatures, rainfall and humidity for Santa Cruz, United States, month by month, built from OpenWeather's historical records. Use it to see what a typical Santa Cruz month looks like before you travel — then check the live Santa Cruz forecast for the days ahead.
Warmest month
July
29°C average high
Coolest month
January
7°C average low
Wettest month
December
93 mm of rain
Driest month
June
20 mm of rain
Average temperature and rainfall in Santa Cruz by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 16°C | 7°C | -5°C / 26°C | 78 mm | 75% | 9 km/h |
| February | 17°C | 7°C | -4°C / 27°C | 85 mm | 71% | 10 km/h |
| March | 19°C | 8°C | -1°C / 33°C | 82 mm | 70% | 11 km/h |
| April | 21°C | 9°C | 0°C / 34°C | 44 mm | 67% | 12 km/h |
| May | 24°C | 11°C | 3°C / 36°C | 60 mm | 65% | 13 km/h |
| June | 27°C | 13°C | 5°C / 39°C | 20 mm | 64% | 11 km/h |
| July | 29°C | 14°C | 8°C / 39°C | 42 mm | 66% | 12 km/h |
| August | 28°C | 15°C | 8°C / 39°C | 26 mm | 67% | 11 km/h |
| September | 28°C | 14°C | 7°C / 43°C | 27 mm | 66% | 11 km/h |
| October | 25°C | 11°C | 2°C / 40°C | 26 mm | 64% | 9 km/h |
| November | 19°C | 8°C | -2°C / 28°C | 44 mm | 70% | 9 km/h |
| December | 15°C | 7°C | -4°C / 29°C | 93 mm | 76% | 9 km/h |
Best time to visit Santa Cruz
The most comfortable time to visit Santa Cruz is generally May to June and October, balancing mild daytime temperatures against the driest stretch of the year. The city has a moderate seasonal swing and rain concentrates around December, totalling about 628 mm a year.
Travellers who prefer heat should aim for July, when highs average 29°C. December is the month to avoid if rain would spoil your plans — it averages 93 mm, roughly 5× the rainfall of June.
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Santa Cruz forecast for what is happening now.