La Jolla climate

La Jolla Weather in December

NOAA 1991-2020 normals for San Diego Seaworld, 9.9 km from La Jolla

Average highs run from 64°F on December 1 to 63°F on December 31, and lows from 49°F to 47°F. Normal precipitation for the month is 1.83 in over about 7 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 La Jolla, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
63°F
Average low
47°F
Precipitation
1.83 in
Record high
89°FDec 3, 1958
Record low
28°FDec 7, 1978
Chance of a freeze
0%
Daylight
10 h 08 min to 10 h 02 min
Cloud cover
41%
Humidity
68%
Dew point
47°F
Wind
7.6 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation.

DateNormal highNormal lowRecord highRecord lowChance wet
Dec 164°F49°F85°F 195936°F 200419%
Dec 264°F49°F84°F 195937°F 199619%
Dec 363°F49°F89°F 195838°F 194920%
Dec 463°F48°F89°F 197934°F 201120%
Dec 563°F48°F88°F 196537°F 197120%
Dec 663°F48°F86°F 197933°F 197820%
Dec 763°F48°F83°F 196328°F 197820%
Dec 863°F48°F86°F 196328°F 197821%
Dec 963°F48°F86°F 201731°F 197821%
Dec 1063°F48°F85°F 201735°F 199721%
Dec 1163°F48°F86°F 195836°F 197121%
Dec 1263°F47°F86°F 201034°F 198522%
Dec 1363°F47°F88°F 195333°F 199722%
Dec 1463°F47°F84°F 195331°F 198722%
Dec 1563°F47°F84°F 201734°F 198722%
Dec 1663°F47°F86°F 198034°F 197123%
Dec 1763°F47°F82°F 195834°F 197123%
Dec 1863°F47°F83°F 198537°F 200123%
Dec 1963°F47°F82°F 195434°F 199223%
Dec 2063°F47°F86°F 196034°F 199223%
Dec 2163°F47°F82°F 200534°F 196823%
Dec 2263°F47°F81°F 198533°F 199023%
Dec 2363°F47°F85°F 201432°F 199023%
Dec 2463°F47°F83°F 198931°F 198723%
Dec 2563°F47°F82°F 198528°F 198724%
Dec 2663°F47°F82°F 198034°F 195323%
Dec 2763°F47°F83°F 195630°F 198724%
Dec 2863°F47°F85°F 196335°F 200324%
Dec 2963°F47°F89°F 196333°F 198824%
Dec 3063°F47°F85°F 198034°F 197124%
Dec 3163°F47°F81°F 196833°F 198224%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at La Jolla, in percent.05101520251102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (PST).

December 1
sunrise 6:34 AM, sunset 4:42 PM
December 31
sunrise 6:51 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 USC00047741 (San Diego Seaworld), public domain. Records: NOAA GHCN-Daily, station USW00093107, 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.