December weather in Lompoc, CA
The average temperature in Lompoc in December is 52.7°F (42.1°F–63.3°F). Average precipitation: 2.40 inches.
December is a winter month in Lompoc, and is cooler than the annual average of 59.3°F. Daily temperatures swing about 21.2°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 9h 41m. For travel, December is a comfortable month to visit.
Avg High
63.3°F
Avg Low
42.1°F
Precipitation
2.40 in
Daylight
9h 41m
December records in Lompoc
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 84.0°F (1959) | 28.0°F (1957) | 1.23 in (1952) |
| December 2 | 82.0°F (1958) | 28.0°F (1956) | 2.35 in (1961) |
| December 3 | 90.0°F (1958) | 30.0°F (1956) | 0.95 in (1954) |
| December 4 | 80.1°F (2007) | 30.0°F (1978) | 1.98 in (1974) |
| December 5 | 84.0°F (1962) | 28.0°F (2013) | 2.46 in (1997) |
| December 6 | 82.9°F (1962) | 27.0°F (2013) | 0.85 in (1997) |
| December 7 | 84.0°F (1989) | 21.0°F (1978) | 1.76 in (1918) |
| December 8 | 82.0°F (1989) | 24.1°F (1978) | 0.68 in (1984) |
| December 9 | 82.9°F (1957) | 26.1°F (1956) | 0.81 in (1983) |
| December 10 | 84.9°F (2025) | 25.0°F (1951) | 1.20 in (2022) |
| December 11 | 84.0°F (1958) | 28.0°F (1972) | 0.86 in (1993) |
| December 12 | 80.1°F (1958) | 26.1°F (1919) | 1.74 in (2014) |
| December 13 | 82.9°F (1953) | 28.0°F (1985) | 0.29 in (1971) |
| December 14 | 81.0°F (1953) | 21.0°F (1967) | 2.31 in (2021) |
| December 15 | 80.1°F (1980) | 27.0°F (1959) | 1.14 in (2002) |
| December 16 | 84.9°F (1980) | 28.9°F (1971) | 1.28 in (1987) |
| December 17 | 82.9°F (1979) | 30.0°F (1918) | 0.80 in (1957) |
| December 18 | 80.1°F (2000) | 24.1°F (1918) | 1.61 in (2010) |
| December 19 | 82.0°F (2024) | 28.9°F (1975) | 2.00 in (2010) |
| December 20 | 80.1°F (1999) | 28.9°F (1978) | 1.84 in (2023) |
| December 21 | 80.1°F (1985) | 24.1°F (1968) | 1.29 in (1970) |
| December 22 | 75.9°F (1960) | 19.9°F (1990) | 1.08 in (2019) |
| December 23 | 80.1°F (1989) | 24.1°F (1974) | 1.35 in (2021) |
| December 24 | 84.0°F (1989) | 25.0°F (1974) | 2.74 in (2025) |
| December 25 | 82.0°F (1980) | 24.1°F (1974) | 0.99 in (1983) |
| December 26 | 84.9°F (1980) | 25.0°F (1918) | 0.57 in (2010) |
| December 27 | 81.0°F (2013) | 25.0°F (1987) | 2.07 in (1971) |
| December 28 | 82.0°F (1919) | 26.1°F (1962) | 2.11 in (2004) |
| December 29 | 81.0°F (1956) | 28.0°F (1960) | 2.10 in (1965) |
| December 30 | 84.9°F (1980) | 25.0°F (1918) | 1.37 in (2023) |
| December 31 | 82.9°F (1980) | 24.1°F (1918) | 1.61 in (2004) |