December weather in Benton City, WA
The average temperature in Benton City in December is 34.1°F (28.4°F–39.9°F). Average precipitation: 1.07 inches.
December is a winter month in Benton City, and is cooler than the annual average of 53.6°F. Daily temperatures swing about 11.5°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 8h 26m. For travel, December is cold.
Avg High
39.9°F
Avg Low
28.4°F
Precipitation
1.07 in
Daylight
8h 26m
December records in Benton City
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 69.1°F (2021) | 3.9°F (1985) | 0.43 in (1955) |
| December 2 | 64.9°F (1972) | 6.1°F (1985) | 0.34 in (1980) |
| December 3 | 66.0°F (1958) | 15.1°F (1976) | 0.32 in (2023) |
| December 4 | 64.9°F (1946) | 12.0°F (2013) | 0.35 in (1950) |
| December 5 | 59.0°F (1966) | 8.1°F (2013) | 0.24 in (1978) |
| December 6 | 60.1°F (1946) | 10.0°F (2013) | 0.64 in (1963) |
| December 7 | 63.0°F (1970) | -27.0°F (1996) | 0.61 in (2015) |
| December 8 | 66.0°F (2015) | -33.0°F (1996) | 0.37 in (1993) |
| December 9 | 69.1°F (1946) | -36.9°F (1996) | 0.34 in (1955) |
| December 10 | 66.9°F (2025) | -0.9°F (1972) | 0.50 in (1950) |
| December 11 | 64.9°F (2014) | -5.1°F (1972) | 0.55 in (1958) |
| December 12 | 64.0°F (1955) | -4.0°F (1972) | 0.68 in (1995) |
| December 13 | 62.1°F (1946) | -2.9°F (1972) | 0.72 in (2003) |
| December 14 | 61.0°F (2002) | 0.0°F (1972) | 0.67 in (2006) |
| December 15 | 69.1°F (2025) | 7.0°F (1972) | 0.30 in (1982) |
| December 16 | 64.9°F (1959) | -2.9°F (1964) | 0.23 in (1955) |
| December 17 | 63.0°F (2025) | -6.0°F (1964) | 0.50 in (1973) |
| December 18 | 59.0°F (2024) | 0.0°F (1964) | 0.30 in (1960) |
| December 19 | 57.9°F (1966) | 3.9°F (1984) | 0.61 in (2021) |
| December 20 | 64.0°F (1994) | 3.9°F (2008) | 0.35 in (1969) |
| December 21 | 64.0°F (1994) | -6.0°F (1990) | 0.44 in (1973) |
| December 22 | 63.0°F (1972) | -5.1°F (1990) | 0.68 in (1964) |
| December 23 | 60.1°F (1950) | -4.0°F (1983) | 0.38 in (2012) |
| December 24 | 64.0°F (1950) | -2.9°F (1983) | 0.43 in (1968) |
| December 25 | 55.9°F (1950) | 0.0°F (1983) | 0.45 in (2024) |
| December 26 | 63.0°F (1980) | 0.0°F (1983) | 0.43 in (2006) |
| December 27 | 64.9°F (1980) | 1.9°F (1948) | 0.30 in (2005) |
| December 28 | 63.0°F (1967) | -8.0°F (1990) | 0.55 in (1945) |
| December 29 | 59.0°F (1980) | -5.1°F (1990) | 0.36 in (2004) |
| December 30 | 62.1°F (1949) | -9.9°F (1968) | 0.61 in (2005) |
| December 31 | 57.0°F (1945) | -2.0°F (1968) | 0.65 in (1996) |