December weather in Imperial, CA
The average temperature in Imperial in December is 54.9°F (41.2°F–68.7°F). Average precipitation: 0.34 inches.
December is a winter month in Imperial, and is cooler than the annual average of 73.7°F. Daily temperatures swing about 27.5°F between overnight low and afternoon high. Expect about 2 days with precipitation. Daylight averages about 9h 51m. For travel, December is a comfortable month to visit.
Avg High
68.7°F
Avg Low
41.2°F
Precipitation
0.34 in
Daylight
9h 51m
December records in Imperial
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 84.9°F (2021) | 30.9°F (2004) | 0.03 in (2011) |
| December 2 | 82.9°F (2021) | 30.9°F (2004) | 0.00 in (1962) |
| December 3 | 82.0°F (2012) | 33.1°F (2004) | 0.18 in (2014) |
| December 4 | 81.0°F (2021) | 34.0°F (2006) | 0.45 in (1974) |
| December 5 | 82.9°F (1979) | 33.1°F (2011) | 0.62 in (2004) |
| December 6 | 82.9°F (1966) | 29.1°F (2011) | 0.49 in (2018) |
| December 7 | 81.0°F (1962) | 28.0°F (1978) | 0.51 in (2018) |
| December 8 | 81.0°F (1962) | 25.0°F (1978) | 0.00 in (1962) |
| December 9 | 82.9°F (1962) | 24.1°F (1978) | 0.14 in (1965) |
| December 10 | 82.9°F (2025) | 30.0°F (1971) | 0.14 in (1965) |
| December 11 | 82.9°F (2025) | 30.9°F (1972) | 0.00 in (1962) |
| December 12 | 82.9°F (2010) | 27.0°F (1972) | 0.07 in (2011) |
| December 13 | 99.0°F (2013) | 30.0°F (1963) | 0.39 in (2012) |
| December 14 | 80.1°F (2017) | 28.9°F (1964) | 0.17 in (1967) |
| December 15 | 82.0°F (2025) | 27.0°F (1975) | 0.17 in (1967) |
| December 16 | 82.9°F (2025) | 28.0°F (1964) | 0.85 in (1965) |
| December 17 | 81.0°F (1980) | 28.9°F (1975) | 0.98 in (2008) |
| December 18 | 80.1°F (2024) | 32.0°F (2016) | 0.48 in (1962) |
| December 19 | 80.1°F (2024) | 28.9°F (1968) | 0.05 in (1967) |
| December 20 | 78.1°F (1972) | 32.0°F (2002) | 0.03 in (1968) |
| December 21 | 77.0°F (2020) | 27.0°F (1968) | 0.60 in (2016) |
| December 22 | 78.1°F (2005) | 25.0°F (1968) | 0.29 in (2010) |
| December 23 | 80.1°F (1964) | 28.0°F (1968) | 0.12 in (2019) |
| December 24 | 87.1°F (1964) | 27.0°F (1974) | 0.33 in (2025) |
| December 25 | 80.1°F (1964) | 27.0°F (1974) | 0.45 in (1977) |
| December 26 | 80.1°F (1980) | 27.0°F (1974) | 0.32 in (1977) |
| December 27 | 80.1°F (1980) | 27.0°F (1974) | 0.09 in (1977) |
| December 28 | 81.0°F (1963) | 28.0°F (1966) | 0.17 in (1977) |
| December 29 | 82.9°F (1980) | 28.0°F (2003) | 0.06 in (1977) |
| December 30 | 80.1°F (1980) | 28.9°F (1969) | 0.09 in (2014) |
| December 31 | 78.1°F (2011) | 28.0°F (1972) | 0.21 in (2025) |