Stonegate climate

Stonegate Weather in December

NOAA 1991-2020 normals for Tustin Irvine Rch, 1.3 km from Stonegate

Average highs run from 72°F on December 1 to 69°F on December 31, and lows from 44°F to 43°F. Normal precipitation for the month is 2.25 in over about 5 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 Stonegate, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
70°F
Average low
43°F
Precipitation
2.25 in
Record high
90°FDec 12, 2010
Record low
36°FDec 27, 2003
Chance of a freeze
30%
Daylight
10 h 04 min to 9 h 58 min
Cloud cover
41%
Humidity
61%
Dew point
40°F
Wind
6.7 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation.

DateNormal highNormal lowRecord highRecord lowChance wet
Dec 172°F44°F76°F 201037°F 200412%
Dec 272°F44°F80°F 200639°F 200413%
Dec 372°F44°F79°F 200642°F 200713%
Dec 471°F43°F76°F 200641°F 200413%
Dec 571°F43°F79°F 200041°F 199913%
Dec 671°F43°F80°F 201740°F 201113%
Dec 771°F43°F81°F 200138°F 201114%
Dec 871°F43°F87°F 202037°F 200914%
Dec 971°F43°F87°F 201741°F 201314%
Dec 1070°F43°F88°F 201739°F 201314%
Dec 1170°F43°F80°F 201740°F 201315%
Dec 1270°F43°F90°F 201041°F 200315%
Dec 1370°F43°F81°F 201042°F 199915%
Dec 1470°F43°F76°F 201341°F 200715%
Dec 1570°F43°F85°F 201338°F 201515%
Dec 1670°F43°F79°F 199938°F 200116%
Dec 1770°F43°F79°F 200440°F 200116%
Dec 1870°F43°F83°F 200438°F 201616%
Dec 1969°F43°F82°F 199938°F 201216%
Dec 2069°F43°F79°F 199938°F 201217%
Dec 2169°F43°F78°F 202040°F 201217%
Dec 2269°F43°F75°F 201441°F 200717%
Dec 2369°F43°F81°F 201439°F 200917%
Dec 2469°F43°F79°F 199938°F 201117%
Dec 2569°F43°F84°F 201338°F 201618%
Dec 2669°F43°F84°F 201337°F 200818%
Dec 2769°F43°F80°F 201336°F 200318%
Dec 2869°F43°F77°F 201736°F 200318%
Dec 2969°F43°F80°F 201338°F 201319%
Dec 3069°F43°F78°F 202539°F 201219%
Dec 3169°F43°F77°F 201936°F 201019%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Stonegate, in percent.051015201102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (PST).

December 1
sunrise 6:38 AM, sunset 4:42 PM
December 31
sunrise 6:55 AM, sunset 4:53 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00049087 (Tustin Irvine Rch), public domain. Records: NOAA GHCN-Daily, station USW00093184, 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.