December weather in Richmond, CA
The average temperature in Richmond in December is 51.3°F (44.4°F–58.2°F). Average precipitation: 4.90 inches.
December is a winter month in Richmond, and is cooler than the annual average of 58.8°F. Daily temperatures swing about 13.8°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 9h 23m. For travel, December is a comfortable month to visit.
Avg High
58.2°F
Avg Low
44.4°F
Precipitation
4.90 in
Daylight
9h 23m
December records in Richmond
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 73.9°F (1956) | 37.9°F (1957) | 2.09 in (1952) |
| December 2 | 75.0°F (2011) | 37.9°F (1967) | 2.47 in (1954) |
| December 3 | 82.9°F (1979) | 36.0°F (1952) | 2.82 in (1950) |
| December 4 | 73.0°F (1958) | 37.0°F (2004) | 1.62 in (1970) |
| December 5 | 75.0°F (1958) | 33.1°F (2013) | 1.29 in (1952) |
| December 6 | 75.9°F (1979) | 35.1°F (1967) | 1.46 in (1955) |
| December 7 | 73.9°F (2020) | 35.1°F (1956) | 2.59 in (1952) |
| December 8 | 71.1°F (2020) | 30.0°F (1972) | 1.73 in (2004) |
| December 9 | 71.1°F (2020) | 24.1°F (1972) | 1.32 in (1954) |
| December 10 | 66.9°F (2017) | 28.0°F (1972) | 1.70 in (1996) |
| December 11 | 69.1°F (1958) | 25.0°F (1972) | 3.10 in (1995) |
| December 12 | 75.0°F (1958) | 28.9°F (1972) | 3.10 in (1995) |
| December 13 | 75.0°F (1958) | 28.0°F (1972) | 2.30 in (2021) |
| December 14 | 66.9°F (1981) | 28.9°F (1972) | 1.90 in (2002) |
| December 15 | 73.0°F (1980) | 30.9°F (1972) | 2.00 in (2016) |
| December 16 | 73.0°F (1980) | 33.1°F (1971) | 1.63 in (2002) |
| December 17 | 71.1°F (1980) | 32.0°F (1965) | 1.76 in (1977) |
| December 18 | 72.0°F (1958) | 33.1°F (1963) | 2.92 in (2005) |
| December 19 | 75.9°F (1999) | 34.0°F (1967) | 3.15 in (1955) |
| December 20 | 73.0°F (1999) | 30.9°F (1978) | 3.90 in (1969) |
| December 21 | 70.0°F (1999) | 28.0°F (1990) | 1.90 in (2015) |
| December 22 | 70.0°F (1999) | 24.1°F (1990) | 2.38 in (1955) |
| December 23 | 64.9°F (1977) | 26.1°F (1990) | 2.35 in (1955) |
| December 24 | 66.0°F (1999) | 30.9°F (1998) | 2.12 in (1979) |
| December 25 | 70.0°F (1972) | 30.9°F (1990) | 1.39 in (1983) |
| December 26 | 71.1°F (1967) | 33.1°F (1962) | 1.25 in (1955) |
| December 27 | 75.9°F (1967) | 33.1°F (1960) | 0.83 in (1952) |
| December 28 | 73.9°F (1967) | 32.0°F (1966) | 1.74 in (1951) |
| December 29 | 73.9°F (1967) | 33.1°F (1954) | 2.06 in (1981) |
| December 30 | 70.0°F (1967) | 30.0°F (1978) | 2.39 in (1976) |
| December 31 | 66.0°F (1995) | 30.9°F (1978) | 2.22 in (2005) |