Climateby Month

Fairfield, CA weather in June

NOAA 1991-2020 normals and daily records · Fairfield all year

Fairfield is warm and dry in June: highs average 85°F and nights drop to about 56°F. There are about 1 day with rain.

Normal high
85°F
Normal low
56°F
Wet days
1
0.2 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 high82°F89°F
Normal low55°F57°F
Chance of a wet day5%1%
Sunrise / sunset5:46 am / 8:25 pm5:48 am / 8:35 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 (6 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°F10 of 30
  • Hot dayshigh 90°F or more10 of 30
  • Muggy daysdaily mean dew point 65°F or more0 of 30
  • Wet daysat least 0.01 in of rain or melted snow1 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 0.2 in; a dry June brings about 0.0 in and a wet one about 0.3 in (25th and 75th percentiles). Days with half an inch or more are rare.

How June varies from year to year

  • Warmest June, 1991-20202015: average high 91°F
  • Coolest June1998: average high 78°F
  • Wettest June1995: 1.8 in
  • Driest June1994: no measurable precipitation
  • Highest reading109°F (June 15, 2000)
  • Lowest reading32°F (June 9, 2011)

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 high78°F85°F90°F
Normal low52°F56°F58°F
Wet days310
Comfortable days19104
Daylight14.3 h14.8 h14.5 h

Highs change by +7°F from May and +5°F into July.

Nearby alternatives in June

How Fairfield ranks in June

  • Normal high159th warmest of 378 cities; 26th of 60 in California
  • Wet days39th driest of 378
  • Comfortable days128th most of 340

What to pack for Fairfield in June

  • Light, breathable clothing – highs near 85°F
  • Layers – afternoons near 85°F but nights near 56°F
  • Sunglasses and sunscreen – about 14.8 hours of daylight and highs near 85°F

Heating and cooling

June has 14 heating degree days and 187 cooling degree days (base 65°F), 6% of the year's total heating and cooling demand.

Questions

How hot is Fairfield in June?

The normal high is 85°F and the normal low is 56°F. From 1991 to 2020 the hottest June reading was 109°F (June 15, 2000).

Does it rain a lot in Fairfield in June?

About 1 days in June have at least 0.01 in of precipitation, and the normal total is 0.2 in. The wettest June in 1991-2020 was in 1995 (1.8 in); the driest was in 1994, with no measurable precipitation.

Is June a good time to visit Fairfield?

June ranks 5th of 12 months on our comfort score for Fairfield (66 out of 100). It has about 10 comfortable days and about 10 days at 90°F or hotter. The best months are April and May.

Where the numbers come from

  • Temperature, rain, snowfall, snow depth and frost dates: Fairfield (USC00042934), 2.3 mi NW of the city center, 40 ft . NOAA normals and daily records, 1991-2020.
  • Humidity and wind by hour and cloud cover: Travis AFB (USW00023202), 5.9 mi ENE of the city center, 59 ft . NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Travis Air Force Base (745160-23202), 5.9 mi ENE of the city center, 62 ft . Hourly observations, 1991-2020.