Big Sur weather in January
January in Big Sur: cool, rainy, with clean air — a good time to visit.
#11 of 12 months in Big Sur · #612 of 897 destinations to visit in January · comfort 61/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Big Sur in January
No notes yet. Open Big Sur on the map to add the first one.
Big Sur climate normals — January
| Daytime high | 16°C / 60°F | 🙂 cool |
|---|---|---|
| Nighttime low | 10°C / 50°F | |
| Rainfall | 138 mm / 5.4 in | 🌧 rainy |
| Rainy days | 9 days | |
| Humidity | 77% | 💦 very humid |
| Dew point | 8°C / 47°F | |
| Sunshine | 7.5 h/day | |
| Daylight | 10 h | |
| Wind | 21 km/h / 13 mph | |
| Air quality (US AQI) | 35 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Big Sur?
Loading map…
Big Sur in January — FAQ
- Is January a good time to visit Big Sur?
- January in Big Sur: cool, rainy, with clean air — a good time to visit. It ranks #11 of 12 months for Big Sur on SeasonMap's comfort score (61/100).
- What is the weather like in Big Sur in January?
- In January, Big Sur averages a daily high of 15.6°C and a low of 10.2°C, with about 138.1 mm of rain over roughly 9 rainy days.
- What is the air quality in Big Sur in January?
- Big Sur has a mean US Air Quality Index of about 35 in January.