December weather in Big Bear Lake, CA
The average temperature in Big Bear Lake in December is 34.8°F (23.5°F–46.2°F). Average precipitation: 3.31 inches. Average snowfall is 11.0 inches.
December is a winter month in Big Bear Lake, and is cooler than the annual average of 48°F. Daily temperatures swing about 22.7°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 9h 43m. For travel, December is cool.
Avg High
46.2°F
Avg Low
23.5°F
Precipitation
3.31 in
Snow
11.0 in
December records in Big Bear Lake
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 64.0°F (1986) | 9.0°F (1991) | 1.05 in (2007) |
| December 2 | 63.0°F (2021) | 8.1°F (2004) | 2.99 in (1961) |
| December 3 | 66.9°F (1979) | 8.1°F (2004) | 4.10 in (1966) |
| December 4 | 69.1°F (1979) | 8.1°F (2004) | 2.05 in (1974) |
| December 5 | 68.0°F (2007) | 9.0°F (1972) | 2.86 in (1966) |
| December 6 | 64.9°F (2025) | 6.1°F (2002) | 9.43 in (1966) |
| December 7 | 64.0°F (2025) | 5.0°F (1978) | 2.31 in (1966) |
| December 8 | 69.1°F (1979) | 5.0°F (1971) | 1.06 in (1972) |
| December 9 | 72.0°F (2025) | -14.1°F (1960) | 1.00 in (1965) |
| December 10 | 69.1°F (2023) | -4.0°F (1963) | 1.56 in (1996) |
| December 11 | 69.1°F (2025) | -4.0°F (1963) | 1.62 in (2022) |
| December 12 | 70.0°F (2010) | -6.0°F (1963) | 1.76 in (2009) |
| December 13 | 66.9°F (2010) | 0.0°F (1963) | 2.70 in (2009) |
| December 14 | 66.0°F (2025) | 0.0°F (1972) | 3.21 in (2021) |
| December 15 | 64.9°F (2004) | 3.9°F (1972) | 2.40 in (2008) |
| December 16 | 70.0°F (2025) | 7.0°F (1993) | 3.23 in (2016) |
| December 17 | 64.0°F (2013) | 1.0°F (1984) | 2.30 in (1978) |
| December 18 | 69.1°F (2025) | 1.9°F (2006) | 1.54 in (1967) |
| December 19 | 66.9°F (2024) | -0.9°F (1965) | 1.97 in (2010) |
| December 20 | 66.9°F (2024) | 3.0°F (1978) | 3.85 in (2010) |
| December 21 | 66.9°F (2005) | -4.0°F (1968) | 4.40 in (2010) |
| December 22 | 61.0°F (2014) | -13.0°F (1990) | 2.90 in (2010) |
| December 23 | 64.0°F (2024) | -7.1°F (1990) | 1.73 in (1982) |
| December 24 | 66.0°F (1980) | 1.0°F (1990) | 4.81 in (1971) |
| December 25 | 66.0°F (1980) | -4.0°F (1962) | 3.12 in (1983) |
| December 26 | 62.1°F (1976) | -9.0°F (2002) | 2.12 in (2003) |
| December 27 | 68.0°F (1980) | -2.0°F (1988) | 1.19 in (1964) |
| December 28 | 66.9°F (1980) | 5.0°F (1962) | 1.80 in (2004) |
| December 29 | 66.0°F (2011) | -2.9°F (1964) | 3.00 in (2002) |
| December 30 | 64.0°F (2011) | -4.0°F (1964) | 1.95 in (1965) |
| December 31 | 62.1°F (1963) | -8.0°F (1987) | 0.88 in (2014) |