Folsom climate

Folsom Weather in December

NOAA 1991-2020 normals for Covington 4 Nnw, 13.5 km from Folsom

Average highs run from 66°F on December 1 to 62°F on December 31, and lows from 44°F to 41°F. Normal precipitation for the month is 4.93 in over about 8 wet days.

December day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Folsom, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
64°F
Average low
43°F
Precipitation
4.93 in
Record high
84°FDec 6, 1995
Record low
7°FDec 23, 1989
Chance of a freeze
90%
Daylight
10 h 19 min to 10 h 12 min
Cloud cover
62%
Humidity
86%
Dew point
48°F
Wind
4.5 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Dec 166°F44°F82°F 198127°F 201123%0%
Dec 266°F44°F80°F 198226°F 200823%0%
Dec 365°F44°F79°F 198227°F 200823%0%
Dec 465°F44°F79°F 198326°F 198924%0%
Dec 565°F44°F80°F 199524°F 200624%0%
Dec 665°F44°F84°F 199527°F 200524%0%
Dec 765°F44°F82°F 199522°F 198424%0%
Dec 865°F44°F84°F 199824°F 200624%0%
Dec 964°F43°F78°F 200123°F 200624%0%
Dec 1064°F43°F80°F 199122°F 199524%0%
Dec 1164°F43°F77°F 198423°F 199524%0%
Dec 1264°F43°F80°F 198524°F 200825%0%
Dec 1364°F43°F79°F 199622°F 198925%0%
Dec 1464°F43°F80°F 199122°F 198925%0%
Dec 1564°F43°F80°F 198721°F 198525%0%
Dec 1663°F43°F78°F 198420°F 198925%0%
Dec 1763°F43°F78°F 198421°F 198925%0%
Dec 1863°F42°F77°F 198423°F 198825%0%
Dec 1963°F42°F76°F 200217°F 198126%0%
Dec 2063°F42°F80°F 200818°F 199626%0%
Dec 2163°F42°F77°F 199019°F 199626%0%
Dec 2263°F42°F78°F 199217°F 198926%0%
Dec 2363°F42°F77°F 19887°F 198926%0%
Dec 2462°F42°F78°F 19929°F 198926%0%
Dec 2562°F42°F80°F 200810°F 198926%0%
Dec 2662°F42°F77°F 198716°F 198326%0%
Dec 2762°F41°F78°F 198722°F 198327%0%
Dec 2862°F41°F79°F 198722°F 198327%0%
Dec 2962°F41°F76°F 198424°F 199527%0%
Dec 3062°F41°F78°F 198416°F 198327%0%
Dec 3162°F41°F79°F 198415°F 198327%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Folsom, in percent, and of at least 0.1 inch of snowfall.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CST).

December 1
sunrise 6:40 AM, sunset 4:59 PM
December 31
sunrise 6:58 AM, sunset 5:10 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00162151 (Covington 4 Nnw), public domain. Records: NOAA GHCN-Daily, station USC00164030, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.