December weather in Yountville, CA
The average temperature in Yountville in December is 47.4°F (38.2°F–56.7°F). Average precipitation: 5.83 inches.
December is a winter month in Yountville, and is cooler than the annual average of 59°F. Daily temperatures swing about 18.5°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 9h 20m. For travel, December is a wet month.
Avg High
56.7°F
Avg Low
38.2°F
Precipitation
5.83 in
Daylight
9h 20m
December records in Yountville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 72.0°F (1977) | 27.0°F (1967) | 2.10 in (1960) |
| December 2 | 75.9°F (2011) | 27.0°F (1906) | 2.12 in (1966) |
| December 3 | 72.0°F (1959) | 27.0°F (1957) | 3.05 in (2014) |
| December 4 | 75.9°F (1977) | 26.1°F (1968) | 2.15 in (1970) |
| December 5 | 77.0°F (1976) | 21.9°F (2013) | 2.10 in (1996) |
| December 6 | 73.9°F (1976) | 21.9°F (2013) | 2.23 in (1955) |
| December 7 | 75.0°F (2020) | 23.0°F (1956) | 2.00 in (1952) |
| December 8 | 73.0°F (1988) | 21.9°F (2009) | 3.09 in (2004) |
| December 9 | 72.0°F (1905) | 17.1°F (1972) | 1.95 in (1992) |
| December 10 | 70.0°F (1905) | 19.9°F (1972) | 1.53 in (1996) |
| December 11 | 73.9°F (1958) | 17.1°F (1972) | 3.45 in (1995) |
| December 12 | 73.9°F (1958) | 19.0°F (1985) | 3.35 in (1995) |
| December 13 | 72.0°F (1956) | 19.9°F (1985) | 1.25 in (2021) |
| December 14 | 73.0°F (1958) | 21.0°F (1972) | 1.75 in (2024) |
| December 15 | 69.1°F (1983) | 23.0°F (1985) | 2.56 in (1977) |
| December 16 | 69.1°F (1976) | 23.0°F (1985) | 1.46 in (2002) |
| December 17 | 70.0°F (1958) | 21.9°F (1965) | 1.29 in (1972) |
| December 18 | 69.1°F (1976) | 23.0°F (1965) | 2.05 in (2005) |
| December 19 | 77.0°F (1999) | 23.0°F (1965) | 3.42 in (1981) |
| December 20 | 71.1°F (1976) | 23.0°F (1965) | 2.22 in (2025) |
| December 21 | 66.9°F (2013) | 19.9°F (1968) | 1.85 in (1996) |
| December 22 | 71.1°F (1999) | 12.9°F (1990) | 3.25 in (1955) |
| December 23 | 69.1°F (1999) | 15.1°F (1990) | 1.85 in (1955) |
| December 24 | 69.1°F (1972) | 18.0°F (1990) | 1.84 in (1979) |
| December 25 | 73.0°F (1972) | 25.0°F (1956) | 2.70 in (1983) |
| December 26 | 80.1°F (1967) | 21.9°F (1962) | 1.81 in (1955) |
| December 27 | 75.0°F (1967) | 24.1°F (1956) | 3.80 in (2004) |
| December 28 | 79.0°F (1975) | 24.1°F (1956) | 1.60 in (2005) |
| December 29 | 72.0°F (1967) | 21.9°F (1956) | 2.99 in (1981) |
| December 30 | 71.1°F (1989) | 19.9°F (1990) | 2.13 in (1899) |
| December 31 | 66.9°F (1972) | 21.0°F (1990) | 4.36 in (2005) |