December weather in Zillah, WA
The average temperature in Zillah in December is 30.9°F (23.3°F–38.5°F). Average precipitation: 1.36 inches. Average snowfall is 12.0 inches.
December is a winter month in Zillah, and is cooler than the annual average of 52.3°F. Daily temperatures swing about 15.2°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 8h 24m. For travel, December is cold.
Avg High
38.5°F
Avg Low
23.3°F
Precipitation
1.36 in
Snow
12.0 in
December records in Zillah
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 66.0°F (1972) | 7.0°F (2006) | 0.48 in (1944) |
| December 2 | 66.0°F (1932) | 6.1°F (1919) | 0.67 in (1980) |
| December 3 | 64.9°F (1918) | 3.0°F (1919) | 0.51 in (2001) |
| December 4 | 64.0°F (1918) | 3.9°F (1919) | 0.35 in (1980) |
| December 5 | 61.0°F (2007) | 3.9°F (1919) | 0.28 in (1996) |
| December 6 | 61.0°F (1936) | 3.0°F (1919) | 0.49 in (1987) |
| December 7 | 57.9°F (1973) | 1.9°F (1956) | 0.38 in (1985) |
| December 8 | 60.1°F (1927) | 1.0°F (1972) | 0.44 in (1996) |
| December 9 | 59.0°F (1933) | -2.0°F (1972) | 0.50 in (1921) |
| December 10 | 66.0°F (1982) | -6.0°F (1972) | 0.73 in (1937) |
| December 11 | 63.0°F (1924) | -5.1°F (1919) | 0.52 in (1995) |
| December 12 | 66.0°F (1933) | -0.9°F (2009) | 0.85 in (1995) |
| December 13 | 68.0°F (1917) | -4.0°F (1972) | 1.26 in (1977) |
| December 14 | 63.0°F (1924) | -22.0°F (1919) | 0.55 in (2002) |
| December 15 | 64.9°F (1959) | -13.0°F (1919) | 1.00 in (2006) |
| December 16 | 59.0°F (1999) | -9.0°F (1932) | 0.42 in (1915) |
| December 17 | 64.0°F (1999) | -11.0°F (1964) | 0.52 in (2012) |
| December 18 | 59.0°F (1936) | -7.1°F (1984) | 0.44 in (1955) |
| December 19 | 55.0°F (1917) | -8.0°F (1984) | 0.55 in (1917) |
| December 20 | 57.9°F (1933) | -7.1°F (1984) | 0.91 in (1940) |
| December 21 | 64.0°F (1933) | -6.0°F (1990) | 1.15 in (1964) |
| December 22 | 62.1°F (1933) | -9.0°F (1983) | 0.76 in (1964) |
| December 23 | 59.0°F (1950) | -13.0°F (1983) | 0.36 in (1940) |
| December 24 | 55.0°F (1919) | -7.1°F (1924) | 0.50 in (1988) |
| December 25 | 60.1°F (1957) | -9.0°F (1924) | 0.26 in (1966) |
| December 26 | 55.9°F (1972) | -5.1°F (1924) | 0.41 in (1933) |
| December 27 | 62.1°F (1967) | 3.9°F (1983) | 0.88 in (1965) |
| December 28 | 63.0°F (1937) | -11.0°F (1996) | 0.36 in (1992) |
| December 29 | 62.1°F (1917) | -18.0°F (1990) | 1.00 in (1996) |
| December 30 | 63.0°F (1917) | -17.0°F (1990) | 0.47 in (1931) |
| December 31 | 62.1°F (1917) | -5.1°F (1978) | 0.38 in (2002) |