December weather in Avalon, CA
The average temperature in Avalon in December is 54.9°F (49.4°F–60.3°F). Average precipitation: 2.22 inches.
December is a winter month in Avalon, and is cooler than the annual average of 61.2°F. Daily temperatures swing about 10.9°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 9h 48m. For travel, December is a comfortable month to visit.
Avg High
60.3°F
Avg Low
49.4°F
Precipitation
2.22 in
Daylight
9h 48m
December records in Avalon
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 84.0°F (2021) | 45.0°F (2007) | 0.10 in (1951) |
| December 2 | 77.0°F (1949) | 45.0°F (1952) | 0.76 in (2014) |
| December 3 | 77.0°F (1965) | 43.0°F (1948) | 1.28 in (1966) |
| December 4 | 80.1°F (1965) | 42.1°F (1948) | 0.90 in (2019) |
| December 5 | 77.0°F (2023) | 41.0°F (1948) | 2.95 in (1966) |
| December 6 | 77.0°F (2024) | 42.1°F (1951) | 2.62 in (2018) |
| December 7 | 79.0°F (2006) | 41.0°F (1951) | 0.24 in (2007) |
| December 8 | 78.1°F (2015) | 39.9°F (1951) | 1.70 in (1949) |
| December 9 | 79.0°F (1950) | 41.0°F (1951) | 0.53 in (1949) |
| December 10 | 81.0°F (1950) | 43.0°F (2009) | 0.24 in (1965) |
| December 11 | 78.1°F (2025) | 42.1°F (1949) | 0.91 in (2022) |
| December 12 | 79.0°F (2010) | 39.9°F (1949) | 0.86 in (2014) |
| December 13 | 80.1°F (2017) | 35.1°F (1967) | 0.30 in (2011) |
| December 14 | 77.0°F (1952) | 34.0°F (1967) | 1.31 in (2021) |
| December 15 | 75.0°F (2013) | 37.9°F (1967) | 1.65 in (2008) |
| December 16 | 80.1°F (2013) | 39.9°F (1948) | 0.84 in (2002) |
| December 17 | 75.9°F (2013) | 39.9°F (2008) | 1.52 in (1952) |
| December 18 | 79.0°F (2025) | 43.0°F (2006) | 0.72 in (2007) |
| December 19 | 77.0°F (2024) | 39.0°F (1967) | 1.42 in (2010) |
| December 20 | 75.0°F (2020) | 39.0°F (1949) | 1.37 in (2010) |
| December 21 | 79.0°F (2020) | 39.0°F (1949) | 1.55 in (2002) |
| December 22 | 69.1°F (2005) | 43.0°F (1967) | 1.08 in (2016) |
| December 23 | 75.0°F (1950) | 37.0°F (1948) | 1.33 in (2021) |
| December 24 | 78.1°F (1950) | 37.9°F (1948) | 1.98 in (2025) |
| December 25 | 81.0°F (2022) | 39.9°F (1948) | 0.47 in (2008) |
| December 26 | 78.1°F (2022) | 42.1°F (1948) | 0.93 in (1948) |
| December 27 | 78.1°F (2013) | 41.0°F (2007) | 0.58 in (2022) |
| December 28 | 78.1°F (1963) | 41.0°F (2003) | 4.44 in (2004) |
| December 29 | 80.1°F (2017) | 43.0°F (1964) | 2.36 in (1965) |
| December 30 | 72.0°F (2017) | 39.0°F (2010) | 2.14 in (1951) |
| December 31 | 75.0°F (1963) | 39.9°F (1951) | 1.04 in (2022) |