Catalina climate

Catalina Weather in December

NOAA 1991-2020 normals for Catalina SP, 9.8 km from Catalina

Average highs run from 69°F on December 1 to 66°F on December 31, and lows from 33°F to 31°F. Normal precipitation for the month is 1.17 in.

December day by day

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

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

December at a glance

Average high
66°F
Average low
31°F
Precipitation
1.17 in
Snowfall
1.8 in
Record high
81°FDec 1, 1973
Record low
15°FDec 22, 1968
Chance of a freeze
100%
Daylight
10 h 10 min to 10 h 03 min
Cloud cover
39%
Humidity
46%
Dew point
28°F
Wind
8.1 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 169°F33°F81°F 197327°F 19752%
Dec 269°F33°F76°F 197327°F 19672%
Dec 369°F32°F80°F 195424°F 19682%
Dec 468°F32°F76°F 195826°F 19682%
Dec 568°F32°F75°F 195827°F 19602%
Dec 668°F32°F77°F 197021°F 19602%
Dec 767°F32°F77°F 197018°F 19602%
Dec 867°F32°F75°F 197018°F 19603%
Dec 967°F31°F72°F 195820°F 19713%
Dec 1067°F31°F73°F 197525°F 19603%
Dec 1166°F31°F73°F 197326°F 19703%
Dec 1266°F31°F72°F 195825°F 19723%
Dec 1366°F31°F70°F 195825°F 19643%
Dec 1466°F31°F70°F 195521°F 19643%
Dec 1566°F31°F74°F 197721°F 19753%
Dec 1666°F31°F73°F 202425°F 20153%
Dec 1766°F31°F73°F 197024°F 19713%
Dec 1865°F31°F74°F 202323°F 19683%
Dec 1965°F31°F73°F 196926°F 19653%
Dec 2065°F30°F71°F 202427°F 19654%
Dec 2165°F30°F72°F 195521°F 19684%
Dec 2265°F30°F70°F 195515°F 19684%
Dec 2365°F30°F73°F 195521°F 19684%
Dec 2465°F30°F74°F 195516°F 19744%
Dec 2565°F30°F72°F 195525°F 19744%
Dec 2666°F30°F73°F 196924°F 19744%
Dec 2766°F30°F71°F 195525°F 19744%
Dec 2866°F30°F70°F 195522°F 19664%
Dec 2966°F31°F72°F 195519°F 19664%
Dec 3066°F31°F71°F 201722°F 19663%
Dec 3166°F31°F70°F 195520°F 19583%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Catalina, in percent, and of at least 0.1 inch of snowfall.012341102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MST).

December 1
sunrise 7:08 AM, sunset 5:18 PM
December 31
sunrise 7:25 AM, sunset 5:28 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00021357 (Catalina SP), public domain. Records: NOAA GHCN-Daily, station USC00027530, 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.