| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 18.2° | 7.5° | — | — | 88 |
| February | 18.7° | 7.1° | — | — | 90 |
| March | 20.8° | 7.9° | — | — | 94 |
| April | 23.1° | 9.1° | — | — | 94 |
| May | 26.1° | 11.5° | — | — | 94 |
| June | 29.8° | 14.1° | — | — | 83 |
| July | 34° | 17.3° | — | — | 66 |
| August | 34.5° | 17.7° | — | — | 64 |
| September | 32.4° | 16.3° | — | — | 72 |
| October | 27.9° | 13.3° | — | — | 90 |
| November | 22.5° | 9.7° | — | — | 94 |
| December | 18° | 7.2° | — | — | 88 |
January in Santa Clarita averages a daily high of 18.2°C with nights around 7.5°C. Comfortable conditions for being outdoors all day.
February in Santa Clarita averages a daily high of 18.7°C with nights around 7.1°C. Comfortable conditions for being outdoors all day.
March in Santa Clarita averages a daily high of 20.8°C with nights around 7.9°C. Comfortable conditions for being outdoors all day.
April in Santa Clarita averages a daily high of 23.1°C with nights around 9.1°C. Comfortable conditions for being outdoors all day.
May in Santa Clarita averages a daily high of 26.1°C with nights around 11.5°C. Comfortable conditions for being outdoors all day.
June in Santa Clarita averages a daily high of 29.8°C with nights around 14.1°C. Comfortable conditions for being outdoors all day.
July in Santa Clarita averages a daily high of 34°C with nights around 17.3°C. Generally workable, with some weather to plan around.
August in Santa Clarita averages a daily high of 34.5°C with nights around 17.7°C. Generally workable, with some weather to plan around.
September in Santa Clarita averages a daily high of 32.4°C with nights around 16.3°C. Generally workable, with some weather to plan around.
October in Santa Clarita averages a daily high of 27.9°C with nights around 13.3°C. Comfortable conditions for being outdoors all day.
November in Santa Clarita averages a daily high of 22.5°C with nights around 9.7°C. Comfortable conditions for being outdoors all day.
December in Santa Clarita averages a daily high of 18°C with nights around 7.2°C. Comfortable conditions for being outdoors all day.
Each month scores out of 100. It starts at 100 and loses points for daytime highs outside a 20–27°C band, for wet days, and for nights below 2°C. Nothing else is weighted in — no crowd data, no prices, no opinion. Santa Clarita peaks at 94.
Based on 30 years of records, October–May scores highest for comfort in Santa Clarita, balancing daytime temperature against rainfall.
August is the warmest, averaging a daily high of 34.5°C.
January is the wettest, averaging —mm of rain across roughly — wet days.
December is the coolest month, with average daily highs around 18°C.