December weather in Healdsburg, CA
The average temperature in Healdsburg in December is 48.0°F (38.7°F–57.3°F). Average precipitation: 8.51 inches.
December is a winter month in Healdsburg, and is cooler than the annual average of 60.2°F. Daily temperatures swing about 18.6°F between overnight low and afternoon high. Expect about 13 days with precipitation. Daylight averages about 9h 19m. For travel, December is a wet month.
Avg High
57.3°F
Avg Low
38.7°F
Precipitation
8.51 in
Daylight
9h 19m
December records in Healdsburg
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 75.9°F (1927) | 25.0°F (2007) | 4.24 in (1960) |
| December 2 | 80.1°F (1958) | 26.1°F (1906) | 2.50 in (1985) |
| December 3 | 80.1°F (1927) | 28.9°F (1923) | 8.18 in (1980) |
| December 4 | 81.0°F (1927) | 23.0°F (1936) | 2.97 in (1966) |
| December 5 | 81.0°F (1925) | 26.1°F (1972) | 2.22 in (1909) |
| December 6 | 75.9°F (1927) | 28.0°F (1903) | 2.15 in (1992) |
| December 7 | 79.0°F (2020) | 27.0°F (1978) | 3.41 in (1906) |
| December 8 | 78.1°F (1988) | 23.0°F (1972) | 2.94 in (2004) |
| December 9 | 77.0°F (1905) | 19.0°F (1972) | 4.18 in (1922) |
| December 10 | 82.0°F (1926) | 19.9°F (1972) | 5.10 in (1937) |
| December 11 | 79.0°F (1958) | 19.0°F (1932) | 3.55 in (1995) |
| December 12 | 81.0°F (1958) | 21.0°F (1932) | 4.98 in (1915) |
| December 13 | 75.9°F (1911) | 17.1°F (1932) | 4.85 in (2002) |
| December 14 | 77.0°F (1942) | 21.9°F (1932) | 3.65 in (2002) |
| December 15 | 73.9°F (1998) | 21.0°F (1928) | 4.07 in (1929) |
| December 16 | 73.0°F (1980) | 23.0°F (1932) | 3.00 in (1903) |
| December 17 | 75.0°F (1958) | 23.0°F (1924) | 1.76 in (1972) |
| December 18 | 75.0°F (1910) | 23.0°F (1924) | 3.11 in (2007) |
| December 19 | 77.0°F (1999) | 21.0°F (1924) | 4.64 in (1981) |
| December 20 | 78.1°F (2010) | 24.1°F (1924) | 3.35 in (1924) |
| December 21 | 75.9°F (1999) | 19.9°F (1990) | 4.07 in (1964) |
| December 22 | 73.0°F (1914) | 14.0°F (1990) | 4.28 in (1964) |
| December 23 | 73.0°F (1903) | 15.1°F (1990) | 2.73 in (1942) |
| December 24 | 71.1°F (1901) | 17.1°F (1990) | 3.25 in (1979) |
| December 25 | 75.0°F (1926) | 21.9°F (1990) | 3.45 in (1913) |
| December 26 | 82.9°F (1967) | 19.9°F (1930) | 2.25 in (1917) |
| December 27 | 78.1°F (1967) | 26.1°F (1918) | 4.82 in (1931) |
| December 28 | 78.1°F (1967) | 24.1°F (1912) | 2.75 in (1965) |
| December 29 | 73.9°F (1967) | 24.1°F (1930) | 4.00 in (2003) |
| December 30 | 77.0°F (1921) | 24.1°F (1978) | 5.10 in (1913) |
| December 31 | 68.0°F (1945) | 23.0°F (1915) | 3.60 in (2005) |