December weather in Duarte, CA
The average temperature in Duarte in December is °F (°F–°F). Average precipitation: 3.33 inches.
December is a winter month in Duarte, and is cooler than the annual average of 0°F. Expect about 6 days with precipitation. Daylight averages about 9h 44m.
Avg High
°F
Avg Low
°F
Precipitation
3.33 in
Daylight
9h 44m
December records in Duarte
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 80.1°F (1927) | 42.1°F (1919) | 1.16 in (2007) |
| December 2 | 88.0°F (1927) | 42.1°F (1919) | 2.04 in (1961) |
| December 3 | 88.0°F (1927) | 42.1°F (1920) | 4.63 in (1966) |
| December 4 | 84.9°F (1929) | 43.0°F (2011) | 2.88 in (1974) |
| December 5 | 81.0°F (1929) | 41.0°F (2011) | 2.90 in (1966) |
| December 6 | 80.1°F (1929) | 41.0°F (2011) | 3.00 in (1966) |
| December 7 | 80.1°F (1928) | 41.0°F (1919) | 2.59 in (1992) |
| December 8 | 78.1°F (1928) | 37.9°F (1920) | 1.50 in (1926) |
| December 9 | 81.0°F (2014) | 37.9°F (2013) | 1.34 in (1931) |
| December 10 | 80.1°F (2014) | 37.9°F (2013) | 2.47 in (1941) |
| December 11 | 78.1°F (1924) | 39.0°F (1927) | 2.51 in (2022) |
| December 12 | 82.9°F (1924) | 39.9°F (1927) | 1.73 in (1922) |
| December 13 | 81.0°F (1929) | 39.9°F (1919) | 3.75 in (1933) |
| December 14 | 86.0°F (1929) | 39.9°F (1919) | 1.85 in (1934) |
| December 15 | 79.0°F (1924) | 37.9°F (1928) | 2.58 in (1936) |
| December 16 | 82.9°F (2013) | 39.9°F (1928) | 3.67 in (1988) |
| December 17 | 88.0°F (2013) | 36.0°F (1924) | 2.87 in (1940) |
| December 18 | 90.0°F (1929) | 36.0°F (1924) | 2.45 in (1938) |
| December 19 | 79.0°F (1929) | 35.1°F (1924) | 3.20 in (1921) |
| December 20 | 78.1°F (1929) | 35.1°F (1924) | 3.15 in (2010) |
| December 21 | 80.1°F (1928) | 37.0°F (1920) | 3.21 in (2010) |
| December 22 | 82.0°F (1928) | 39.0°F (1926) | 6.67 in (1945) |
| December 23 | 82.9°F (1929) | 37.0°F (1926) | 2.73 in (1982) |
| December 24 | 87.1°F (1929) | 37.9°F (1924) | 3.42 in (2021) |
| December 25 | 82.9°F (1925) | 35.1°F (1924) | 2.16 in (2025) |
| December 26 | 86.0°F (1928) | 37.9°F (1926) | 2.48 in (2003) |
| December 27 | 86.0°F (1929) | 37.0°F (1926) | 1.82 in (1984) |
| December 28 | 88.0°F (1929) | 39.9°F (1926) | 3.23 in (1931) |
| December 29 | 87.1°F (1929) | 42.1°F (1926) | 3.63 in (1965) |
| December 30 | 84.0°F (1928) | 41.0°F (1920) | 2.53 in (2021) |
| December 31 | 80.1°F (1928) | 37.0°F (1920) | 8.25 in (1933) |