December weather in Etna, CA
The average temperature in Etna in December is 36.8°F (27.6°F–46.0°F). Average precipitation: 3.75 inches. Average snowfall is 1.5 inches.
December is a winter month in Etna, and is cooler than the annual average of 52.4°F. Daily temperatures swing about 18.4°F between overnight low and afternoon high. Expect about 13 days with precipitation. Daylight averages about 9h 1m. For travel, December is cool.
Avg High
46.0°F
Avg Low
27.6°F
Precipitation
3.75 in
Snow
1.5 in
December records in Etna
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 63.0°F (1975) | 12.9°F (2015) | 2.30 in (1960) |
| December 2 | 59.0°F (1988) | 17.1°F (1957) | 2.31 in (1980) |
| December 3 | 64.9°F (1965) | 14.0°F (2004) | 1.34 in (1950) |
| December 4 | 64.9°F (1979) | 10.0°F (2013) | 2.92 in (1945) |
| December 5 | 60.1°F (1989) | 3.0°F (2013) | 1.30 in (1951) |
| December 6 | 57.0°F (1981) | 9.0°F (2009) | 2.20 in (1987) |
| December 7 | 60.1°F (1955) | 8.1°F (1956) | 1.72 in (1952) |
| December 8 | 62.1°F (1981) | -4.0°F (2013) | 2.10 in (2004) |
| December 9 | 61.0°F (2004) | -9.0°F (1972) | 0.70 in (1996) |
| December 10 | 60.1°F (1953) | -8.0°F (1972) | 2.00 in (1968) |
| December 11 | 59.0°F (1966) | -6.0°F (1972) | 2.05 in (2014) |
| December 12 | 61.0°F (1962) | 8.1°F (1972) | 3.98 in (1995) |
| December 13 | 59.0°F (1953) | 1.9°F (1967) | 1.02 in (2015) |
| December 14 | 59.0°F (1962) | 5.0°F (1967) | 2.58 in (2002) |
| December 15 | 57.9°F (1974) | 1.0°F (1967) | 2.31 in (1968) |
| December 16 | 55.0°F (1953) | 5.0°F (1967) | 3.02 in (2002) |
| December 17 | 64.9°F (1979) | 10.9°F (1965) | 1.08 in (1982) |
| December 18 | 55.9°F (1963) | 12.0°F (2008) | 1.31 in (1955) |
| December 19 | 59.0°F (1955) | 6.1°F (1967) | 2.11 in (1981) |
| December 20 | 64.9°F (1953) | 7.0°F (1990) | 0.99 in (2005) |
| December 21 | 61.0°F (1969) | -4.0°F (1990) | 2.58 in (1964) |
| December 22 | 61.0°F (1964) | -6.0°F (1990) | 4.93 in (1964) |
| December 23 | 60.1°F (1964) | 3.0°F (1990) | 1.75 in (1964) |
| December 24 | 62.1°F (2005) | 3.0°F (1990) | 0.72 in (1964) |
| December 25 | 61.0°F (1980) | 10.9°F (1984) | 1.98 in (2012) |
| December 26 | 63.0°F (1980) | 12.0°F (1954) | 1.73 in (2006) |
| December 27 | 57.0°F (1980) | 9.0°F (1954) | 1.58 in (1951) |
| December 28 | 61.0°F (2011) | 10.0°F (1971) | 1.76 in (2002) |
| December 29 | 55.9°F (1962) | -0.9°F (1974) | 1.37 in (1996) |
| December 30 | 60.1°F (1995) | 6.1°F (1990) | 2.63 in (2005) |
| December 31 | 60.1°F (1997) | 3.9°F (1974) | 1.81 in (2005) |