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

Weather · May

Santa Rosa weather in May

Average highs of 75°F, lows of 48°F and 1.3 in of rain, from 30 years of weather records.

May is Santa Rosa’s 6th warmest month, with average highs of 75°F and lows of 48°F. That is 4° warmer than April, and 2° above the yearly average high.

Average high
75°F
Average low
48°F
Precipitation
1.3 in
Wet days
5
Sunrise · sunset
5:59 AM · 8:14 PM

May 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 May

  • Mild days: dress in layers, with a light jacket or sweater for mornings and evenings.

May is good for

Around Santa Rosa

Archway, Santa Rosa Junior College
Archway, Santa Rosa Junior CollegeE bailey · CC BY-SA 4.0
Old Courthouse Square, Downtown Santa Rosa (Smaller Version)
Old Courthouse Square, Downtown Santa Rosa (Smaller Version)Wulfnoth · Public domain
725 College Ave - Sara Building (Sibbald-Donovan Manor), Santa Rosa
725 College Ave - Sara Building (Sibbald-Donovan Manor)RedwoodEmpire · CC BY-SA 4.0

See Santa Rosa

A look around town before you go.

Fun Things to Do in Santa Rosa, Sonoma County, California video thumbnail

THINGS TO DO · YOUTUBE SHORT

Fun Things to Do in Santa Rosa, Sonoma County, California

An activity Short shared by Sonoma County.

Watch on YouTube ↗

May compared with the months around it

MonthHighLowRain
April71°F44°F2.0 in
May75°F48°F1.3 in
June80°F51°F0.30 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 May?

Average highs are 75°F and average lows 48°F, for a daily mean of 61°F. Individual days run hotter or colder than these 30-year averages.

Does it rain in Santa Rosa in May?

May averages 1.3 in of precipitation over about 5 days with at least 0.01 in. It is the 8th wettest month of the year.

What time is sunset in Santa Rosa in May?

Around mid-May the sun rises about 5:59 AM and sets about 8:14 PM, for roughly 14.3 hours of daylight.

Is May a good time to visit Santa Rosa?

The mildest months for visiting are July, August, September. May is mild.

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

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