Sacramento weather in January
United States

January in Sacramento: cool, rainy, with clean air — a good time to visit.
#12 of 12 months in Sacramento · #803 of 1383 destinations to visit in January · comfort 66/100 (tier C)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Sacramento in January
Other months in Sacramento
California's forum treats April as good weather statewide, with inland Central Valley cities like Sacramento running warmer than the coast by this point in spring. Regulars' standard advice for April travel anywhere in the state: pack layers, since mornings and evenings still run noticeably cooler than the afternoon.
Add your own note from Sacramento's card on the map.
Sacramento climate normals — January
| Daytime high | 15°C / 59°F | 🙂 cool |
|---|---|---|
| Nighttime low | 6°C / 43°F | |
| Feels like (high) | 13°C / 55°F | |
| Rainfall | 114 mm / 4.5 in | 🌧 rainy |
| Rainy days | 10 days | |
| Humidity | 80% | 💦 very humid |
| Dew point | 5°C / 42°F | |
| Sunshine | 6.4 h/day | |
| Daylight | 9.8 h | |
| Wind | 14 km/h / 9 mph | |
| Air quality (US AQI) | 37 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Sacramento in January
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
BusyWinter / Christmas break in United States, school holidays in 2 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Sacramento's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Toughest weatherSacramento's best weather comes in April, May and October — separate windows, not one continuous season.
January coincides with Tule fog season.
Best weatherFair weatherToughest weather
What's on in Sacramento in January
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Hazard
Tule fog season
1 Dec – 20 Feb · usuallyGround fog forms in the valley after the first rains and can sit for days without lifting, closing visibility on the causeway and delaying flights. It has thinned over the decades but still owns some Januaries. Source ↗
Nearby, and something's on
Within 300 km of Sacramento — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Sacramento?
Sacramento in January — FAQ
- Is January a good time to visit Sacramento?
- January in Sacramento: cool, rainy, with clean air — a good time to visit. It ranks #12 of 12 months for Sacramento on SeasonMap's comfort score (66/100).
- What is the weather like in Sacramento in January?
- In January, Sacramento averages a daily high of 15°C and a low of 5.9°C, with about 114.1 mm of rain over roughly 9.6 rainy days.
- What is the air quality in Sacramento in January?
- Sacramento has a mean US Air Quality Index of about 37 in January.
Other months in Sacramento
Compare Sacramento in January
Warmer or cooler than Sacramento in January
Similar destinations in North America — January
Within 300 km: Napa's Mustard season around 15 Jan – 20 Mar, and San Francisco's Plum and magnolia blossom around 25 Jan – 15 Mar.