December weather in Lakeport, CA
The average temperature in Lakeport in December is 46.3°F (36.0°F–56.6°F). Average precipitation: 6.92 inches.
December is a winter month in Lakeport, and is cooler than the annual average of 59.8°F. Daily temperatures swing about 20.6°F between overnight low and afternoon high. Expect about 15 days with precipitation. Daylight averages about 9h 16m. For travel, December is a wet month.
Avg High
56.6°F
Avg Low
36.0°F
Precipitation
6.92 in
Daylight
9h 16m
December records in Lakeport
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 75.0°F (2021) | 24.3°F (2007) | 1.51 in (1954) |
| December 2 | 73.0°F (2011) | 25.0°F (2004) | 2.32 in (2012) |
| December 3 | 84.0°F (2006) | 23.0°F (2004) | 1.79 in (2014) |
| December 4 | 82.9°F (2006) | 24.1°F (2004) | 0.93 in (2012) |
| December 5 | 87.1°F (2006) | 21.2°F (2013) | 1.02 in (2001) |
| December 6 | 82.0°F (2006) | 20.1°F (2013) | 1.82 in (2004) |
| December 7 | 77.0°F (2020) | 23.2°F (2009) | 1.22 in (2019) |
| December 8 | 72.0°F (2020) | 20.1°F (2009) | 1.66 in (2004) |
| December 9 | 66.9°F (2025) | 18.1°F (2013) | 1.05 in (2003) |
| December 10 | 72.0°F (2025) | 21.2°F (2013) | 1.50 in (2016) |
| December 11 | 73.0°F (2025) | 24.3°F (2013) | 3.47 in (2014) |
| December 12 | 68.0°F (2025) | 25.2°F (2013) | 1.00 in (2003) |
| December 13 | 66.0°F (2025) | 26.2°F (2011) | 3.51 in (2002) |
| December 14 | 69.1°F (2017) | 27.1°F (2013) | 2.90 in (2002) |
| December 15 | 66.0°F (2013) | 27.0°F (2005) | 2.58 in (2016) |
| December 16 | 72.0°F (2023) | 27.1°F (2006) | 1.04 in (2018) |
| December 17 | 66.9°F (2011) | 23.2°F (2008) | 0.59 in (2001) |
| December 18 | 66.0°F (2003) | 24.3°F (2016) | 2.30 in (2005) |
| December 19 | 69.1°F (2024) | 25.2°F (2006) | 1.86 in (2002) |
| December 20 | 64.0°F (2011) | 26.2°F (2006) | 1.85 in (2002) |
| December 21 | 66.9°F (2023) | 26.2°F (2017) | 3.12 in (2015) |
| December 22 | 69.1°F (2013) | 23.2°F (2011) | 1.07 in (2005) |
| December 23 | 69.1°F (2013) | 24.3°F (2011) | 1.87 in (2012) |
| December 24 | 69.1°F (2013) | 25.2°F (2011) | 1.53 in (2025) |
| December 25 | 66.0°F (2013) | 26.2°F (2007) | 1.17 in (2012) |
| December 26 | 66.9°F (2013) | 24.3°F (2016) | 1.95 in (2006) |
| December 27 | 64.0°F (2024) | 25.0°F (2003) | 1.69 in (2004) |
| December 28 | 64.9°F (2013) | 24.3°F (2013) | 2.22 in (2010) |
| December 29 | 66.9°F (2013) | 25.2°F (2013) | 2.49 in (2003) |
| December 30 | 68.0°F (2013) | 26.2°F (2013) | 4.36 in (2005) |
| December 31 | 66.0°F (2013) | 23.2°F (2014) | 1.71 in (2005) |