December weather in Sierra Madre, CA
The average temperature in Sierra Madre in December is 46.0°F (37.4°F–54.6°F). Average precipitation: 4.03 inches.
December is a winter month in Sierra Madre, and is cooler than the annual average of 58.4°F. Daily temperatures swing about 17.2°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 9h 44m. For travel, December is cool.
Avg High
54.6°F
Avg Low
37.4°F
Precipitation
4.03 in
Daylight
9h 44m
December records in Sierra Madre
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 75.9°F (2008) | 23.0°F (1967) | 2.02 in (1952) |
| December 2 | 70.0°F (2008) | 21.0°F (1982) | 2.93 in (2014) |
| December 3 | 78.1°F (1958) | 24.1°F (1948) | 5.97 in (1966) |
| December 4 | 75.9°F (1979) | 21.0°F (1948) | 3.30 in (1974) |
| December 5 | 77.0°F (2007) | 18.0°F (1972) | 2.21 in (1966) |
| December 6 | 71.1°F (1958) | 18.0°F (1978) | 6.82 in (1966) |
| December 7 | 73.0°F (2015) | 12.9°F (1978) | 3.26 in (1992) |
| December 8 | 75.9°F (2015) | 12.9°F (1971) | 1.23 in (1949) |
| December 9 | 73.9°F (2015) | 12.0°F (1972) | 0.78 in (1970) |
| December 10 | 77.0°F (2008) | 18.0°F (1972) | 3.41 in (1996) |
| December 11 | 75.0°F (1958) | 15.1°F (1972) | 2.48 in (1996) |
| December 12 | 75.9°F (2010) | 21.0°F (1949) | 4.14 in (2014) |
| December 13 | 75.0°F (2010) | 10.9°F (1967) | 1.37 in (1995) |
| December 14 | 72.0°F (2006) | 10.0°F (1967) | 0.49 in (2001) |
| December 15 | 73.9°F (2013) | 15.1°F (1967) | 1.94 in (1957) |
| December 16 | 75.9°F (2013) | 21.9°F (1965) | 5.43 in (1988) |
| December 17 | 75.9°F (2013) | 19.0°F (1967) | 2.71 in (1987) |
| December 18 | 70.0°F (1958) | 19.9°F (1970) | 3.34 in (1949) |
| December 19 | 69.1°F (1985) | 18.0°F (1951) | 3.53 in (2010) |
| December 20 | 72.0°F (2005) | 12.9°F (1949) | 4.23 in (1984) |
| December 21 | 75.0°F (2005) | 12.0°F (1990) | 3.06 in (1970) |
| December 22 | 75.9°F (2014) | 10.0°F (1990) | 4.04 in (1982) |
| December 23 | 73.0°F (2005) | 18.0°F (1948) | 4.88 in (1982) |
| December 24 | 72.0°F (2005) | 15.1°F (1987) | 3.91 in (2025) |
| December 25 | 71.1°F (2006) | 14.0°F (1987) | 6.18 in (2025) |
| December 26 | 71.1°F (1980) | 18.0°F (1988) | 3.55 in (1977) |
| December 27 | 70.0°F (2013) | 18.0°F (1988) | 3.16 in (1984) |
| December 28 | 75.9°F (2011) | 19.9°F (1988) | 5.80 in (1977) |
| December 29 | 75.0°F (2011) | 17.1°F (1964) | 6.47 in (1965) |
| December 30 | 72.0°F (2008) | 19.9°F (1965) | 2.79 in (1951) |
| December 31 | 72.0°F (2011) | 15.1°F (1951) | 1.25 in (2004) |