December weather in Glendora, CA
The average temperature in Glendora in December is °F (°F–°F). Average precipitation: 3.27 inches.
December is a winter month in Glendora, 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
3.27 in
Daylight
9h 44m
December records in Glendora
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | — | — | 1.36 in (2007) |
| December 2 | — | — | 2.16 in (1961) |
| December 3 | — | — | 3.89 in (1966) |
| December 4 | — | — | 2.55 in (1974) |
| December 5 | — | — | 3.03 in (1966) |
| December 6 | — | — | 2.75 in (1966) |
| December 7 | — | — | 1.40 in (1992) |
| December 8 | — | — | 2.18 in (1992) |
| December 9 | — | — | 0.98 in (1943) |
| December 10 | — | — | 1.91 in (1996) |
| December 11 | — | — | 1.50 in (1943) |
| December 12 | — | — | 1.05 in (1951) |
| December 13 | — | — | 0.72 in (1995) |
| December 14 | — | — | 0.30 in (1898) |
| December 15 | — | — | 2.10 in (1957) |
| December 16 | — | — | 2.73 in (1988) |
| December 17 | — | — | 2.20 in (1940) |
| December 18 | — | — | 2.35 in (1949) |
| December 19 | — | — | 1.90 in (1943) |
| December 20 | — | — | 1.22 in (1934) |
| December 21 | — | — | 3.39 in (2010) |
| December 22 | — | — | 3.14 in (2010) |
| December 23 | — | — | 1.17 in (2010) |
| December 24 | — | — | 3.00 in (1971) |
| December 25 | — | — | 1.90 in (1983) |
| December 26 | — | — | 1.72 in (1977) |
| December 27 | — | — | 1.56 in (1984) |
| December 28 | — | — | 2.23 in (2004) |
| December 29 | — | — | 2.80 in (1951) |
| December 30 | — | — | 3.55 in (1936) |
| December 31 | — | — | 1.44 in (2004) |