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Weather on December 21

Los Angeles, CA

55 Years of Data

Avg High
67°F
Avg Low
49°F
Warmest
2020
71°F avg
Coldest
1990
45°F avg

About This Date

December 21st in Los Angeles, CA typically brings mild winter weather, with average highs around 67°F and lows near 49°F. Over 55 years of records, the warmest December 21st was in 2020 (71°F average), while the coldest was 1990 (45°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 18% of December 21st dates historically, with the wettest December 21st recording 2.26" of rain. The last decade has been 4.4°F warmer on this date compared to 20-30 years ago.

The last decade has been 4.4°F warmer on this date compared to 20-30 years ago.

Planning for December 21st in Los Angeles, CA? Great weather for outdoor activities.

YearHighLowAvgPrecipSnow
202572°50°61°
202468°44°56°
202365°60°62°2.26"
202271°44°58°
202169°50°60°
2020warmest84°57°71°
201975°52°63°
201871°55°63°
201763°44°53°
201670°54°62°1.27"
201562°44°53°0.08"
201468°50°59°
201361°46°53°
201266°44°55°
201164°43°53°
201058°53°55°2.26"
200968°53°61°
200868°47°57°
200763°45°54°
200664°43°53°
200581°56°68°
200465°52°58°
200364°51°58°
200259°50°55°0.08"
200157°47°52°0.69"
200069°44°57°
199974°45°59°
199855°41°48°
199762°49°55°
199659°50°55°
199567°47°57°
199478°53°66°
199370°46°58°
199265°44°54°
199173°52°62°
1990coldest50°40°45°
198967°52°59°
198863°51°57°1.04"
198770°47°58°
198674°48°61°
198582°53°68°
198463°42°52°
198364°45°54°
198258°57°57°
198168°56°62°
198077°54°65°
197959°54°56°0.28"
197866°40°53°
197767°57°62°0.08"
197673°51°62°
197565°46°55°
197469°50°60°
197368°52°60°0.13"
197282°56°69°
197162°45°53°
55 years of data from LOS ANGELES DOWNTOWN/USC

Los Angeles, CA Temperature Range by Month

Average monthly highs and lows. The shaded band shows the typical daily temperature range.

40°50°60°70°80°90°JFMAMJJASOND
Avg high Avg low

Los Angeles, CA Monthly Precipitation

Average rainfall per month, in inches.

0"6.5"13"JFMAMJJASOND
Rain (in)

Los Angeles, CA Daily Temperature Calendar

Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.

151015202531JanFebMarAprMayJunJulAugSepOctNovDec
Cooler
Hotter
20°40°60°80°100°

Best Time to Visit Los Angeles, CA

Most pleasant months in Los Angeles, CA: July.

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Dec
Pleasant (65-82°F, ≤2.5" rain) Mild Less ideal

Browse Weather History

Weather data provided by NOAA Climate Data Online. Not for critical planning.

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