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Santa Clarita, California climate
Csa Hot-summer Mediterranean
Santa Clarita has a seasonal warm-temperate climate (Hot-summer Mediterranean, Köppen Csa). The hottest month is August with an average daily high near 96°F, while the coldest is December averaging around 44°F at night. Precipitation totals about 17 inches a year and is strongly seasonal — February alone averages 4.4 inches while July barely receives 0.00 inches.
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figuresClear vs cloudy days
Share of days each month that are clear, partly cloudy or cloudy · 1991–2020 · hover a month for the day countsSanta Clarita climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 63 | 65 | 70 | 74 | 81 | 87 | 94 | 96 | 91 | 81 | 71 | 62 |
| Avg temp (°F) | 55 | 55 | 59 | 61 | 67 | 72 | 79 | 80 | 77 | 69 | 60 | 53 |
| Avg low (°F) | 47 | 45 | 47 | 49 | 54 | 57 | 63 | 64 | 62 | 56 | 49 | 44 |
| Precipitation (in) | 4.2 | 4.4 | 2.9 | 0.8 | 0.3 | 0.0 | 0.0 | 0.0 | 0.1 | 0.5 | 0.8 | 2.6 |
| Snowfall (in) | 0.1 | — | — | — | — | — | — | — | — | — | — | — |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 63 | 65 | 70 | 74 | 81 | 87 |
| Avg temp (°F) | 55 | 55 | 59 | 61 | 67 | 72 |
| Avg low (°F) | 47 | 45 | 47 | 49 | 54 | 57 |
| Precipitation (in) | 4.2 | 4.4 | 2.9 | 0.8 | 0.3 | 0.0 |
| Snowfall (in) | 0.1 | — | — | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 94 | 96 | 91 | 81 | 71 | 62 |
| Avg temp (°F) | 79 | 80 | 77 | 69 | 60 | 53 |
| Avg low (°F) | 63 | 64 | 62 | 56 | 49 | 44 |
| Precipitation (in) | 0.0 | 0.0 | 0.1 | 0.5 | 0.8 | 2.6 |
| Snowfall (in) | — | — | — | — | — | — |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 4 | 6 | 4 | 2 | 1 | 0.2 | 0.2 | 0.1 | 0.7 | 2 | 3 | 5 |
| Days with high ≥ 90°F (days) | — | 0.1 | 0.3 | 2 | 6 | 10 | 22 | 22 | 16 | 4 | 0.4 | — |
| Days with low ≤ 32°F (days) | 0.7 | — | 0.1 | 0.1 | — | — | — | — | — | — | — | 0.3 |
| Days with snowfall ≥ 1 in (days) | 0.1 | — | — | — | — | — | — | — | — | — | — | — |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 4 | 6 | 4 | 2 | 1 | 0.2 |
| Days with high ≥ 90°F (days) | — | 0.1 | 0.3 | 2 | 6 | 10 |
| Days with low ≤ 32°F (days) | 0.7 | — | 0.1 | 0.1 | — | — |
| Days with snowfall ≥ 1 in (days) | 0.1 | — | — | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 0.2 | 0.1 | 0.7 | 2 | 3 | 5 |
| Days with high ≥ 90°F (days) | 22 | 22 | 16 | 4 | 0.4 | — |
| Days with low ≤ 32°F (days) | — | — | — | — | — | 0.3 |
| Days with snowfall ≥ 1 in (days) | — | — | — | — | — | — |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 47 | 45 | 43 | 36 | 32 | 22 | 18 | 14 | 19 | 27 | 34 | 43 |
| Clear days (≤ 30% cloud) | 12 | 11 | 13 | 15 | 17 | 22 | 25 | 27 | 23 | 21 | 17 | 13 |
| Partly cloudy days (30–70%) | 11 | 9 | 11 | 10 | 10 | 6 | 5 | 3 | 5 | 7 | 9 | 11 |
| Cloudy days (≥ 70%) | 9 | 8 | 7 | 5 | 4 | 2 | 1 | 0.8 | 1 | 4 | 5 | 7 |
| Relative humidity (%) | 64 | 66 | 65 | 59 | 53 | 41 | 35 | 32 | 36 | 43 | 52 | 60 |
| Wind speed (mph) | 5.6 | 5.4 | 5.3 | 5.7 | 5.0 | 4.6 | 4.2 | 4.0 | 4.1 | 4.7 | 5.2 | 5.8 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 47 | 45 | 43 | 36 | 32 | 22 |
| Clear days (≤ 30% cloud) | 12 | 11 | 13 | 15 | 17 | 22 |
| Partly cloudy days (30–70%) | 11 | 9 | 11 | 10 | 10 | 6 |
| Cloudy days (≥ 70%) | 9 | 8 | 7 | 5 | 4 | 2 |
| Relative humidity (%) | 64 | 66 | 65 | 59 | 53 | 41 |
| Wind speed (mph) | 5.6 | 5.4 | 5.3 | 5.7 | 5.0 | 4.6 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 18 | 14 | 19 | 27 | 34 | 43 |
| Clear days (≤ 30% cloud) | 25 | 27 | 23 | 21 | 17 | 13 |
| Partly cloudy days (30–70%) | 5 | 3 | 5 | 7 | 9 | 11 |
| Cloudy days (≥ 70%) | 1 | 0.8 | 1 | 4 | 5 | 7 |
| Relative humidity (%) | 35 | 32 | 36 | 43 | 52 | 60 |
| Wind speed (mph) | 4.2 | 4.0 | 4.1 | 4.7 | 5.2 | 5.8 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Newhall 5nw (NOAA GHCN station USC00046161), about 5 km from the city centre.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.