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Santa Clarita Weather by Month
Average temperatures, rainfall and humidity for Santa Clarita, United States, month by month, built from OpenWeather's historical records. Use it to see what a typical Santa Clarita month looks like before you travel — then check the live Santa Clarita forecast for the days ahead.
Warmest month
August
32°C average high
Coolest month
December
8°C average low
Wettest month
December
58 mm of rain
Driest month
June
3 mm of rain
Average temperature and rainfall in Santa Clarita 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 | 19°C | 8°C | -5°C / 29°C | 47 mm | 52% | 10 km/h |
| February | 19°C | 8°C | -3°C / 32°C | 46 mm | 53% | 11 km/h |
| March | 21°C | 10°C | 2°C / 37°C | 40 mm | 57% | 10 km/h |
| April | 23°C | 11°C | 3°C / 36°C | 13 mm | 55% | 11 km/h |
| May | 24°C | 12°C | 5°C / 37°C | 15 mm | 62% | 9 km/h |
| June | 28°C | 15°C | 10°C / 42°C | 3 mm | 60% | 8 km/h |
| July | 32°C | 18°C | 12°C / 40°C | 5 mm | 51% | 8 km/h |
| August | 32°C | 18°C | 6°C / 43°C | 4 mm | 51% | 8 km/h |
| September | 30°C | 17°C | 10°C / 46°C | 4 mm | 54% | 8 km/h |
| October | 27°C | 14°C | 3°C / 40°C | 8 mm | 51% | 8 km/h |
| November | 22°C | 11°C | -1°C / 33°C | 22 mm | 47% | 9 km/h |
| December | 19°C | 8°C | -2°C / 29°C | 58 mm | 52% | 10 km/h |
Best time to visit Santa Clarita
The most comfortable time to visit Santa Clarita is generally April to May and November, 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 266 mm a year.
Travellers who prefer heat should aim for August, when highs average 32°C. December is the month to avoid if rain would spoil your plans — it averages 58 mm, roughly 19× the rainfall of June.
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Santa Clarita forecast for what is happening now.