| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 18.7° | 8.3° | 118.1mm | 6.9 | 82 |
| February | 19.1° | 8.7° | 105.4mm | 6.6 | 84 |
| March | 19.8° | 9.9° | 85.7mm | 6.5 | 86 |
| April | 21.3° | 10.9° | 26.6mm | 3.2 | 94 |
| May | 21.5° | 12.6° | 10.9mm | 2 | 96 |
| June | 22.5° | 14.3° | 2.8mm | 1.5 | 97 |
| July | 24.5° | 15.7° | 0.1mm | 0.4 | 99 |
| August | 25.2° | 15.7° | 0.7mm | 0.5 | 99 |
| September | 25.3° | 15.6° | 1.5mm | 1 | 98 |
| October | 24° | 13.5° | 21.2mm | 2.1 | 96 |
| November | 21.3° | 10.3° | 34.9mm | 3.4 | 93 |
| December | 18.4° | 8.3° | 80.3mm | 6.6 | 82 |
January in Santa Barbara averages a daily high of 18.7°C with nights around 8.3°C. Expect roughly 6.9 wet days totalling 118.1mm. Comfortable conditions for being outdoors all day.
February in Santa Barbara averages a daily high of 19.1°C with nights around 8.7°C. Expect roughly 6.6 wet days totalling 105.4mm. Comfortable conditions for being outdoors all day.
March in Santa Barbara averages a daily high of 19.8°C with nights around 9.9°C. Expect roughly 6.5 wet days totalling 85.7mm. Comfortable conditions for being outdoors all day.
April in Santa Barbara averages a daily high of 21.3°C with nights around 10.9°C. Expect roughly 3.2 wet days totalling 26.6mm. Comfortable conditions for being outdoors all day.
May in Santa Barbara averages a daily high of 21.5°C with nights around 12.6°C. Rain is rare — about 2 wet days and 10.9mm across the month. Comfortable conditions for being outdoors all day.
June in Santa Barbara averages a daily high of 22.5°C with nights around 14.3°C. Rain is rare — about 1.5 wet days and 2.8mm across the month. Comfortable conditions for being outdoors all day.
July in Santa Barbara averages a daily high of 24.5°C with nights around 15.7°C. Rain is rare — about 0.4 wet days and 0.1mm across the month. Comfortable conditions for being outdoors all day.
August in Santa Barbara averages a daily high of 25.2°C with nights around 15.7°C. Rain is rare — about 0.5 wet days and 0.7mm across the month. Comfortable conditions for being outdoors all day.
September in Santa Barbara averages a daily high of 25.3°C with nights around 15.6°C. Rain is rare — about 1 wet days and 1.5mm across the month. Comfortable conditions for being outdoors all day.
October in Santa Barbara averages a daily high of 24°C with nights around 13.5°C. Rain is rare — about 2.1 wet days and 21.2mm across the month. Comfortable conditions for being outdoors all day.
November in Santa Barbara averages a daily high of 21.3°C with nights around 10.3°C. Expect roughly 3.4 wet days totalling 34.9mm. Comfortable conditions for being outdoors all day.
December in Santa Barbara averages a daily high of 18.4°C with nights around 8.3°C. Expect roughly 6.6 wet days totalling 80.3mm. 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 Barbara peaks at 99.
Based on 30 years of records, April–November scores highest for comfort in Santa Barbara, balancing daytime temperature against rainfall.
September is the warmest, averaging a daily high of 25.3°C.
January is the wettest, averaging 118.1mm of rain across roughly 6.9 wet days.
December is the coolest month, with average daily highs around 18.4°C.