December weather in Dayville, OR
The average temperature in Dayville in December is 36.5°F (27.4°F–45.5°F). Average precipitation: 1.14 inches.
December is a winter month in Dayville, and is cooler than the annual average of 53.3°F. Daily temperatures swing about 18.1°F between overnight low and afternoon high. Daylight averages about 8h 40m. For travel, December is cool.
Avg High
45.5°F
Avg Low
27.4°F
Precipitation
1.14 in
Daylight
8h 40m
December records in Dayville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 63.0°F (1994) | 10.9°F (2015) | 0.85 in (2003) |
| December 2 | 66.9°F (2021) | 12.9°F (2002) | 0.25 in (2012) |
| December 3 | 61.0°F (2021) | 5.0°F (1992) | 0.71 in (1992) |
| December 4 | 61.0°F (2007) | 10.0°F (1992) | 0.53 in (1998) |
| December 5 | 64.9°F (1989) | -0.9°F (1992) | 0.31 in (1978) |
| December 6 | 64.0°F (1987) | 8.1°F (1994) | 0.29 in (1991) |
| December 7 | 60.1°F (1988) | 0.0°F (1992) | 0.39 in (2007) |
| December 8 | 62.1°F (2015) | -9.0°F (2013) | 0.13 in (2004) |
| December 9 | 64.0°F (2015) | -5.1°F (2013) | 0.31 in (2004) |
| December 10 | 63.0°F (1987) | 3.0°F (2013) | 0.26 in (2015) |
| December 11 | 62.1°F (1995) | 10.0°F (2013) | 0.21 in (1990) |
| December 12 | 62.1°F (1995) | 12.0°F (1985) | 0.33 in (1995) |
| December 13 | 64.9°F (1993) | 1.9°F (2009) | 0.31 in (2015) |
| December 14 | 60.1°F (1998) | 16.0°F (2005) | 0.90 in (1983) |
| December 15 | 61.0°F (2006) | 8.1°F (2005) | 0.30 in (1981) |
| December 16 | 60.1°F (2002) | 8.1°F (2005) | 0.11 in (1982) |
| December 17 | 63.0°F (1979) | 1.9°F (2008) | 0.24 in (2015) |
| December 18 | 64.9°F (1979) | 3.0°F (2008) | 0.12 in (1978) |
| December 19 | 62.1°F (1979) | -0.9°F (1984) | 0.21 in (2005) |
| December 20 | 57.0°F (1999) | -6.0°F (1990) | 0.26 in (1996) |
| December 21 | 60.1°F (2019) | -18.0°F (1990) | 0.17 in (1981) |
| December 22 | 59.0°F (1994) | -13.0°F (1990) | 0.14 in (2008) |
| December 23 | 64.0°F (2020) | -7.1°F (1990) | 0.37 in (1979) |
| December 24 | 60.1°F (2019) | 0.0°F (1990) | 0.49 in (1980) |
| December 25 | 55.9°F (2003) | 7.0°F (1987) | 0.18 in (1988) |
| December 26 | 59.0°F (2004) | 0.0°F (1988) | 0.45 in (1981) |
| December 27 | 61.0°F (2005) | 1.9°F (1988) | 0.10 in (2006) |
| December 28 | 57.0°F (1994) | 5.0°F (1988) | 0.11 in (2005) |
| December 29 | 57.9°F (1996) | -9.9°F (1990) | 0.42 in (2012) |
| December 30 | 64.9°F (1980) | -4.0°F (1978) | 0.18 in (2021) |
| December 31 | 57.9°F (1998) | 1.0°F (1978) | 0.30 in (1987) |