Climateby Month

Santa Rosa, CA weather in June

NOAA 1991-2020 normals and daily records · Santa Rosa all year

In June, Santa Rosa sees highs around 81°F and lows around 48°F: warm and dry. There are about 2 days with rain. Great for outdoor plans.

Normal high
81°F
Normal low
48°F
Wet days
2
0.4 in total
Muggy days
0
dew point 65°F+

How June changes from start to finish

Normal values at the start and end of June
June 1June 30
Normal high79°F83°F
Normal low47°F50°F
Chance of a wet day9%3%
Sunrise / sunset5:48 am / 8:28 pm5:50 am / 8:38 pm
Daylight14.7 h14.8 h

Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Pacific Time).

A typical June day

  1. 6 am59°Fdew point 51°F
  2. 9 am71°Fdew point 51°F
  3. Noon80°Fdew point 51°F
  4. 3 pm84°Fdew point 51°F
  5. 6 pm77°Fdew point 51°F
  6. 9 pm64°Fdew point 51°F

NOAA hourly normals (local standard time) from Travis AFB (44 mi away); average wind 17 mph; clear or few clouds in 82% of daytime hours, mostly cloudy or overcast in 11%.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F12 of 30
  • Hot dayshigh 90°F or more6 of 30
  • Muggy daysdaily mean dew point 65°F or more0 of 30
  • Wet daysat least 0.01 in of rain or melted snow2 of 30
  • Notable rainat least 0.10 in1 of 30
  • Freezing nightslow 32°F or below0 of 30

Average days per June, counted from daily records for each year 1991-2020.

Rain in June

Normal precipitation is 0.4 in; a dry June brings about 0.0 in and a wet one about 0.5 in (25th and 75th percentiles). Days with half an inch or more are rare.

How June varies from year to year

  • Warmest June, 1991-20202001: average high 87°F
  • Coolest June1998: average high 73°F
  • Wettest June2013: 2.3 in
  • Driest June1994: no measurable precipitation
  • Highest reading106°F (June 15, 2000)
  • Lowest reading35°F (June 8, 1999)

From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.

June compared with May and July

MayJuneJuly
Normal high75°F81°F83°F
Normal low46°F48°F51°F
Wet days420
Comfortable days191211
Daylight14.3 h14.8 h14.5 h

Highs change by +6°F from May and +2°F into July.

Nearby alternatives in June

How Santa Rosa ranks in June

  • Normal high220th warmest of 378 cities; 32nd of 60 in California
  • Wet days64th driest of 378
  • Comfortable days103rd most of 340

What to pack for Santa Rosa in June

  • Layers – afternoons near 81°F but nights near 48°F
  • Sunglasses and sunscreen – about 14.8 hours of daylight and highs near 81°F

Heating and cooling

June has 60 heating degree days and 54 cooling degree days (base 65°F), 3% of the year's total heating and cooling demand.

Questions

How hot is Santa Rosa in June?

The normal high is 81°F and the normal low is 48°F. From 1991 to 2020 the hottest June reading was 106°F (June 15, 2000).

Does it rain a lot in Santa Rosa in June?

About 2 days in June have at least 0.01 in of precipitation, and the normal total is 0.4 in. The wettest June in 1991-2020 was in 2013 (2.3 in); the driest was in 1994, with no measurable precipitation.

Is June a good time to visit Santa Rosa?

June ranks 3rd of 12 months on our comfort score for Santa Rosa (70 out of 100). It has about 12 comfortable days and about 6 days at 90°F or hotter. The best months are April and May.

Where the numbers come from

  • Temperature and rain: Graton (USC00043578), 8.2 mi W of the city center, 200 ft . NOAA normals and daily records, 1991-2020.
  • Snowfall, snow depth and frost dates: Santa Rosa (USC00047965), 1.1 mi N of the city center, 166 ft . NOAA normals and daily records, 1991-2020.
  • Humidity and wind by hour and cloud cover: Travis AFB (USW00023202), 44 mi ESE of the city center, 59 ft (106 ft lower than the city). NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Sonoma County Airport (724957-23213), 6.8 mi NW of the city center, 119 ft . Hourly observations, 1991-2020.