Luther Burbank Home and Gardens in Santa Rosa, photographed in June 2012.

Weather · January

Santa Rosa weather in January

Average highs of 60°F, lows of 38°F and 5.8 in of rain, from 30 years of weather records.

January is Santa Rosa’s 11th warmest month, with average highs of 60°F and lows of 38°F. That is 1° warmer than December, and 13° below the yearly average high.

Average high
60°F
Average low
38°F
Precipitation
5.8 in
Wet days
14
Sunrise · sunset
7:26 AM · 5:13 PM

January across the year

  1. 60°38°Jan
  2. 64°40°Feb
  3. 67°42°Mar
  4. 71°44°Apr
  5. 75°48°May
  6. 80°51°Jun
  7. 82°52°Jul
  8. 83°53°Aug
  9. 84°51°Sep
  10. 79°48°Oct
  11. 67°42°Nov
  12. 59°38°Dec

High and low Rain

What to wear in January

  • Cool days: a warm jacket and long pants, plus layers for the swing between morning and afternoon.
  • Pack an umbrella or rain jacket: rain or snow falls on about 14 days this month.

January is good for

Around Santa Rosa

Santa Rosa Original Certified Farmers Market - December 2023 - Sarah Stierch
Santa Rosa Original Certified Farmers Market - December 2023 - Sarah StierchMissvain · CC BY 4.0
Jackson's Bar and Oven - February 2024 - Sarah Stierch, Santa Rosa
Jackson's Bar and Oven - February 2024 - Sarah Stierch 02Missvain · CC BY 4.0
Archway, Santa Rosa Junior College
Archway, Santa Rosa Junior CollegeE bailey · CC BY-SA 4.0

See Santa Rosa

A look around town before you go.

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January compared with the months around it

MonthHighLowRain
December59°F38°F6.5 in
January60°F38°F5.8 in
February64°F40°F6.4 in

Planning a trip? See the best time to visit Santa Rosa and today’s forecast.

Questions

How hot does it get in Santa Rosa in January?

Average highs are 60°F and average lows 38°F, for a daily mean of 49°F. Individual days run hotter or colder than these 30-year averages.

Does it rain in Santa Rosa in January?

January averages 5.8 in of precipitation over about 14 days with at least 0.01 in. It is the 3rd wettest month of the year.

What time is sunset in Santa Rosa in January?

Around mid-January the sun rises about 7:26 AM and sets about 5:13 PM, for roughly 9.8 hours of daylight.

Is January a good time to visit Santa Rosa?

The mildest months for visiting are July, August, September. January is cool.

NOAA U.S. Climate Normals 1991–2020, Santa Rosa station (1.1 mi from downtown). Sunrise and sunset are calculated for January 15 at the city’s coordinates.

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