Avalon Weather in December
Average highs run from 62°F on December 1 to 61°F on December 31, and lows from 50°F to 50°F. Normal precipitation for the month is 2.22 in over about 8 wet days.
December day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
December at a glance
- Average high
- 60°F
- Average low
- 49°F
- Precipitation
- 2.22 in
- Record high
- 81°FDec 10, 1950
- Record low
- 34°FDec 14, 1967
- Chance of a freeze
- 0%
- Daylight
- 10 h 07 min to 9 h 59 min
- Cloud cover
- 48%
- Humidity
- 73%
- Dew point
- 50°F
- Wind
- 9.8 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Dec 1 | 62°F | 50°F | 80°F 2008 | 45°F 2007 | 22% |
| Dec 2 | 62°F | 50°F | 77°F 1949 | 45°F 1952 | 22% |
| Dec 3 | 61°F | 50°F | 77°F 1965 | 43°F 1948 | 23% |
| Dec 4 | 61°F | 50°F | 80°F 1965 | 42°F 1948 | 23% |
| Dec 5 | 61°F | 50°F | 77°F 2023 | 41°F 1948 | 23% |
| Dec 6 | 61°F | 50°F | 77°F 2024 | 42°F 1951 | 23% |
| Dec 7 | 60°F | 50°F | 79°F 2006 | 41°F 1951 | 24% |
| Dec 8 | 60°F | 49°F | 78°F 2015 | 40°F 1951 | 24% |
| Dec 9 | 60°F | 49°F | 79°F 1950 | 41°F 1951 | 24% |
| Dec 10 | 60°F | 49°F | 81°F 1950 | 43°F 2009 | 24% |
| Dec 11 | 60°F | 49°F | 78°F 2025 | 42°F 1949 | 24% |
| Dec 12 | 60°F | 49°F | 79°F 2010 | 40°F 1949 | 25% |
| Dec 13 | 60°F | 49°F | 80°F 2017 | 35°F 1967 | 25% |
| Dec 14 | 60°F | 49°F | 77°F 1952 | 34°F 1967 | 25% |
| Dec 15 | 60°F | 49°F | 75°F 2013 | 38°F 1967 | 25% |
| Dec 16 | 60°F | 49°F | 80°F 2013 | 40°F 1948 | 25% |
| Dec 17 | 60°F | 49°F | 76°F 2013 | 40°F 2008 | 26% |
| Dec 18 | 60°F | 49°F | 79°F 2025 | 43°F 2006 | 26% |
| Dec 19 | 60°F | 49°F | 77°F 2024 | 39°F 1967 | 26% |
| Dec 20 | 60°F | 49°F | 75°F 2020 | 39°F 1949 | 26% |
| Dec 21 | 60°F | 49°F | 79°F 2020 | 39°F 1949 | 26% |
| Dec 22 | 60°F | 49°F | 69°F 2005 | 43°F 1967 | 26% |
| Dec 23 | 60°F | 49°F | 75°F 1950 | 37°F 1948 | 25% |
| Dec 24 | 60°F | 49°F | 78°F 1950 | 38°F 1948 | 25% |
| Dec 25 | 60°F | 49°F | 81°F 2022 | 40°F 1948 | 25% |
| Dec 26 | 60°F | 49°F | 78°F 2022 | 42°F 1948 | 25% |
| Dec 27 | 61°F | 50°F | 78°F 2013 | 41°F 2007 | 25% |
| Dec 28 | 61°F | 50°F | 78°F 1963 | 41°F 2003 | 25% |
| Dec 29 | 61°F | 50°F | 80°F 2017 | 43°F 1964 | 25% |
| Dec 30 | 61°F | 50°F | 72°F 2017 | 39°F 2010 | 25% |
| Dec 31 | 61°F | 50°F | 75°F 1963 | 40°F 1951 | 25% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (PST).
- December 1
- sunrise 6:39 AM, sunset 4:46 PM
- December 31
- sunrise 6:57 AM, sunset 4:56 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00023191 (Avalon Catalina AP), public domain. Records: NOAA GHCN-Daily, station USW00023191, 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.