Chatsworth climate

Chatsworth Weather in December

NOAA 1991-2020 normals for Chatsworth 2, 1 km from Chatsworth

Average highs run from 57°F on December 1 to 51°F on December 31, and lows from 35°F to 32°F. Normal precipitation for the month is 5.39 in over about 11 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 Chatsworth, in °F, with the record for each date.020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
53°F
Average low
33°F
Precipitation
5.39 in
Record high
76°FDec 10, 2007
Record low
5°FDec 24, 2022
Chance of a freeze
99%
Daylight
10 h 00 min to 9 h 52 min
Cloud cover
64%
Humidity
84%
Dew point
36°F
Wind
4.9 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 157°F35°F74°F 200620°F 199932%0%
Dec 257°F35°F69°F 201221°F 199933%0%
Dec 356°F35°F71°F 201221°F 200233%0%
Dec 456°F35°F72°F 201220°F 202433%0%
Dec 556°F34°F71°F 200120°F 202433%0%
Dec 655°F34°F73°F 200113°F 200833%0%
Dec 755°F34°F74°F 201320°F 201034%0%
Dec 855°F34°F74°F 200418°F 200634%0%
Dec 955°F34°F70°F 202214°F 200634%0%
Dec 1054°F34°F76°F 200715°F 200634%0%
Dec 1154°F34°F76°F 200716°F 201034%0%
Dec 1254°F34°F76°F 200723°F 202334%0%
Dec 1354°F34°F72°F 201519°F 201035%0%
Dec 1453°F34°F72°F 201514°F 201035%0%
Dec 1553°F33°F69°F 201114°F 201035%0%
Dec 1653°F33°F69°F 201514°F 202535%0%
Dec 1753°F33°F74°F 201520°F 200435%0%
Dec 1853°F33°F71°F 200616°F 200035%0%
Dec 1952°F33°F73°F 200621°F 202235%0%
Dec 2052°F33°F68°F 200614°F 200036%0%
Dec 2152°F33°F63°F 200814°F 200036%0%
Dec 2252°F33°F70°F 201316°F 200836%0%
Dec 2352°F33°F70°F 201310°F 202236%0%
Dec 2452°F33°F72°F 20255°F 202236%0%
Dec 2551°F32°F71°F 20255°F 202236%0%
Dec 2651°F32°F72°F 201611°F 202236%0%
Dec 2751°F32°F74°F 201513°F 202236%0%
Dec 2851°F32°F74°F 201516°F 201036%0%
Dec 2951°F32°F73°F 201516°F 201036%0%
Dec 3051°F32°F70°F 201918°F 200036%0%
Dec 3151°F32°F65°F 200618°F 200036%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Chatsworth, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EST).

December 1
sunrise 7:28 AM, sunset 5:28 PM
December 31
sunrise 7:46 AM, sunset 5:38 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00091863 (Chatsworth 2), public domain. Records: NOAA GHCN-Daily, station USC00091863, 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.