Climateby Month

Fresno, CA weather in December

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

Fresno is cool in December, with some rain: highs average 55°F and nights drop to about 40°F. Rain falls on about 7 days. It is one of the coolest months in Fresno.

Normal high
55°F
Normal low
40°F
Wet days
7
1.8 in total
Muggy days
0
dew point 65°F+

How December changes from start to finish

Normal values at the start and end of December
December 1December 31
Normal high59°F54°F
Normal low41°F40°F
Chance of a wet day20%25%
Sunrise / sunset6:53 am / 4:43 pm7:11 am / 4:52 pm
Daylight9.8 h9.7 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 December day

  1. 6 am41°Fdew point 38°F
  2. 9 am45°Fdew point 40°F
  3. Noon52°Fdew point 41°F
  4. 3 pm56°Fdew point 41°F
  5. 6 pm51°Fdew point 41°F
  6. 9 pm46°Fdew point 41°F

NOAA hourly normals (local standard time) from Fresno Yosemite Intl Airport (4 mi away); average wind 4 mph; clear or few clouds in 31% of daytime hours, mostly cloudy or overcast in 56%.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F3 of 31
  • Hot dayshigh 90°F or more0 of 31
  • Muggy daysdaily mean dew point 65°F or more0 of 31
  • Wet daysat least 0.01 in of rain or melted snow7 of 31
  • Notable rainat least 0.10 in4 of 31
  • Freezing nightslow 32°F or below5 of 31

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

Rain in December

Normal precipitation is 1.8 in; a dry December brings about 1.0 in and a wet one about 2.4 in (25th and 75th percentiles). About 1 day brings half an inch or more. Snow is very rare.

How December varies from year to year

  • Warmest December, 1991-20202017: average high 61°F
  • Coolest December2008: average high 52°F
  • Wettest December2010: 5.9 in
  • Driest December2011: no measurable precipitation
  • Highest reading77°F (December 8, 2006)
  • Lowest reading21°F (December 23, 1998)

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

December compared with November and January

NovemberDecemberJanuary
Normal high65°F55°F55°F
Normal low45°F40°F41°F
Wet days578
Comfortable days1634
Daylight10.2 h9.7 h10.0 h

Highs change by -10°F from November and 0°F into January.

Nearby alternatives in December

How Fresno ranks in December

  • Normal high161st warmest of 378 cities; 56th of 60 in California
  • Wet days124th driest of 378
  • Comfortable days157th most of 340

What to pack for Fresno in December

  • A warm jacket – lows near 40°F, highs near 55°F

Frost in December

The first fall frost typically comes around Dec 14; in 1 year in 10 it comes before Nov 29. All frost dates for Fresno.

Heating and cooling

December has 541 heating degree days and 0 cooling degree days (base 65°F), 12% of the year's total heating and cooling demand.

Questions

How cold is Fresno in December?

The normal high is 55°F and the normal low is 40°F. From 1991 to 2020 the coldest December reading was 21°F (December 23, 1998).

Does it rain a lot in Fresno in December?

About 7 days in December have at least 0.01 in of precipitation, and the normal total is 1.8 in. The wettest December in 1991-2020 was in 2010 (5.9 in); the driest was in 2011, with no measurable precipitation.

Does it snow in Fresno in December?

Snow is very rare: the 1991-2020 normal for December rounds to 0.0 in.

Is December a good time to visit Fresno?

December ranks 9th of 12 months on our comfort score for Fresno (47 out of 100). It has about 3 comfortable days. The best months are March and April.

Where the numbers come from

  • Temperature, rain, snowfall, snow depth, frost dates, humidity and wind by hour and cloud cover: Fresno Yosemite Intl Airport (USW00093193), 3.7 mi NE of the city center, 333 ft . NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Fresno Yosemite International Airport (723890-93193), 3.7 mi NE of the city center, 334 ft . Hourly observations, 1991-2020.