Santa Clarita climate
Santa Clarita is warmest in August, with average highs of 33 °C, and coldest in December, when nights average 5.2 °C. February is the wettest month (83 mm) and August the driest (0.6 mm). Figures are 1991–2020 climate normals.
Across a full year Santa Clarita averages 342 mm of rain, 178 days above 25 °C and 4 days below freezing.
United States · 368 m elevation · population 182,371 · 1991–2020 normals
Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month
- Warmest month August 33 °C
- Coldest month December 5.2 °C
- Driest month August 1 mm
- Wettest month February 83 mm
- Least cloud August 12 % cloud
- Hottest on record September 46 °C
- Coldest on record February -3.1 °C
What to expectSanta Clarita through the year
Santa Clarita has a clear annual cycle: average daily highs run from 17 °C in December to 33 °C in August, a swing of 16 °C in mean temperature across the year.
Counted across a normal year, 178 days a year reach 25 °C, 100 of them reach 30 °C, 4 nights drop below freezing. The warmest reading in the 1991–2020 record is 46 °C, in September.
Rain is strongly seasonal. February averages 83 mm against 1 mm in August — 134 times as much. Planning around the dry months matters more here than planning around temperature.
Month by month
| Month | Avg high | Rainfall | Cloud |
|---|---|---|---|
| January | 17.4 °C | 71 mm | 48 % |
| February | 18.1 °C | 83 mm | 48 % |
| March | 20.3 °C | 58 mm | 45 % |
| April | 23.0 °C | 23 mm | 37 % |
| May | 25.8 °C | 10 mm | 34 % |
| June | 29.2 °C | 3 mm | 21 % |
| July | 32.1 °C | 3 mm | 18 % |
| August | 33.1 °C | 1 mm | 12 % |
| September | 31.5 °C | 4 mm | 15 % |
| October | 26.9 °C | 16 mm | 24 % |
| November | 21.5 °C | 19 mm | 33 % |
| December | 17.0 °C | 52 mm | 43 % |
Temperature month by month
| Month | Avg high | Avg low | Mean | Record high | Record low | Days above 25 °C | Days above 30 °C | Days below 0 °C |
|---|---|---|---|---|---|---|---|---|
| January | 17.4 °C | 5.5 °C | 10.4 °C | 28.5 °C | -3.0 °C | 1 | 0 | 1 |
| February | 18.1 °C | 6.0 °C | 11.1 °C | 30.6 °C | -3.1 °C | 3 | 0 | 1 |
| March | 20.3 °C | 7.5 °C | 13.2 °C | 32.3 °C | -0.5 °C | 6 | 1 | 0 |
| April | 23.0 °C | 9.4 °C | 15.6 °C | 35.7 °C | 0.2 °C | 11 | 2 | 0 |
| May | 25.8 °C | 12.5 °C | 18.6 °C | 37.6 °C | 4.8 °C | 16 | 7 | 0 |
| June | 29.2 °C | 15.6 °C | 21.9 °C | 42.2 °C | 7.1 °C | 25 | 13 | 0 |
| July | 32.1 °C | 19.0 °C | 25.0 °C | 44.5 °C | 12.6 °C | 31 | 22 | 0 |
| August | 33.1 °C | 19.7 °C | 25.8 °C | 43.3 °C | 12.4 °C | 31 | 25 | 0 |
| September | 31.5 °C | 17.6 °C | 23.9 °C | 45.5 °C | 9.7 °C | 28 | 20 | 0 |
| October | 26.9 °C | 13.3 °C | 19.3 °C | 40.2 °C | 4.1 °C | 21 | 9 | 0 |
| November | 21.5 °C | 8.6 °C | 14.1 °C | 32.2 °C | -0.6 °C | 7 | 1 | 0 |
| December | 17.0 °C | 5.2 °C | 10.1 °C | 26.8 °C | -2.7 °C | 0 | 0 | 2 |
Rain, sun and wind month by month
| Month | Rainfall | Wet days | Daylight | Cloud cover | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 71 mm | 6 | 10 h/day | 48 % | 63 % | 15 km/h |
| February | 83 mm | 7 | 11 h/day | 48 % | 65 % | 16 km/h |
| March | 58 mm | 6 | 12 h/day | 45 % | 65 % | 16 km/h |
| April | 23 mm | 4 | 13 h/day | 37 % | 59 % | 17 km/h |
| May | 10 mm | 2 | 14 h/day | 34 % | 60 % | 16 km/h |
| June | 3 mm | 0 | 14 h/day | 21 % | 58 % | 16 km/h |
| July | 3 mm | 1 | 14 h/day | 18 % | 55 % | 15 km/h |
| August | 1 mm | 0 | 13 h/day | 12 % | 51 % | 15 km/h |
| September | 4 mm | 1 | 12 h/day | 15 % | 51 % | 14 km/h |
| October | 16 mm | 3 | 11 h/day | 24 % | 51 % | 15 km/h |
| November | 19 mm | 3 | 10 h/day | 33 % | 53 % | 15 km/h |
| December | 52 mm | 5 | 9.9 h/day | 43 % | 60 % | 15 km/h |
How Santa Clarita compares
The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.
| Destination | Summer high | Winter low | Rain per year | Days above 25 °C |
|---|---|---|---|---|
| Santa Clarita | 33 °C | 5.2 °C | 342 mm | 178 |
| Glendale · United States | 32 °C | 6.7 °C | 395 mm | 176 |
| Palmdale · United States | 34 °C | 4.3 °C | 338 mm | 168 |
| Los Angeles · United States | 32 °C | 7.0 °C | 347 mm | 189 |
| Lancaster · United States | 35 °C | 4.1 °C | 193 mm | 176 |
Where Santa Clarita ranks
| Ranking | Position | Value |
|---|---|---|
| The driest places in North America in August | 9thof 50 | 0.6 mm |
| The driest places in North America in October | 15thof 50 | 16 mm |
| Places with the best weather in North America in April | 17thof 50 | 94/100 |
| The driest places in North America in June | 19thof 50 | 2.6 mm |
| Places with the best weather in North America in May | 21stof 50 | 93/100 |
| Places with the best weather in North America in November | 24thof 50 | 95/100 |
Planning a trip? See the best time to visit Santa Clarita.
QuestionsCommon questions about Santa Clarita’s climate
When is the best time to visit Santa Clarita?
That depends on what you want, so the honest answer is a comparison rather than a single month. May, June, October sit closest to 20 °C on average, August is the warmest month and August the driest. The month-by-month table above has the full picture.
How hot does Santa Clarita get?
In August, the warmest month, daily highs average 33 °C. About 100 days a year pass 30 °C. The highest value in the 1991–2020 record is 46 °C.
How cold does it get in winter?
Nights average 5.2 °C in December, the coldest month. A normal year has 4 nights below freezing.
Which month is wettest in Santa Clarita?
February, averaging 83 mm over 7 days with rain. The driest month is August with 1 mm. The year as a whole averages 342 mm.
Are these figures a forecast?
No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Santa Clarita rather than what any particular week will bring. Individual years can differ substantially from the normal.
Data sources and method
- ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
- Open-Meteo — Open-Meteo.com. CC BY 4.0
- NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
- GeoNames — GeoNames.org. CC BY 4.0
- Normal period
- 1991–2020
- Dataset version
- era5-1991-2020-scores1.1
- Last processed
Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.
Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.