Santa Barbara weather in December
December in Santa Barbara: nice, rainy, with clean air — a good time to visit.
#12 of 12 months in Santa Barbara · #574 of 897 destinations to visit in December · comfort 65/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Santa Barbara in December
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Santa Barbara climate normals — December
| Daytime high | 18°C / 65°F | 😎 nice |
|---|---|---|
| Nighttime low | 9°C / 49°F | |
| Rainfall | 93 mm / 3.7 in | 🌧 rainy |
| Rainy days | 8 days | |
| Humidity | 68% | 💧 humid |
| Dew point | 6°C / 44°F | |
| Sunshine | 7.5 h/day | |
| Daylight | 9.9 h | |
| Wind | 14 km/h / 9 mph | |
| Snowfall | 1.4 cm / 0.6 in | |
| Air quality (US AQI) | 30 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Santa Barbara in December — FAQ
- Is December a good time to visit Santa Barbara?
- December in Santa Barbara: nice, rainy, with clean air — a good time to visit. It ranks #12 of 12 months for Santa Barbara on SeasonMap's comfort score (65/100).
- What is the weather like in Santa Barbara in December?
- In December, Santa Barbara averages a daily high of 18.2°C and a low of 9.2°C, with about 92.9 mm of rain over roughly 7.8 rainy days.
- What is the air quality in Santa Barbara in December?
- Santa Barbara has a mean US Air Quality Index of about 30 in December.
- Does it snow in Santa Barbara in December?
- Santa Barbara sees roughly 1.4 cm of snowfall in December.