December weather in Lyons, OR
The average temperature in Lyons in December is 37.1°F (32.5°F–41.6°F). Average precipitation: 11.21 inches.
December is a winter month in Lyons, and is cooler than the annual average of 48.8°F. Daily temperatures swing about 9.1°F between overnight low and afternoon high. Daylight averages about 8h 37m. For travel, December is a wet month.
Avg High
41.6°F
Avg Low
32.5°F
Precipitation
11.21 in
Daylight
8h 37m
December records in Lyons
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 62.1°F (1939) | 21.0°F (1985) | 1.90 in (1996) |
| December 2 | 66.9°F (1979) | 21.9°F (1969) | 3.57 in (1941) |
| December 3 | 69.1°F (1979) | 21.9°F (1969) | 4.10 in (1987) |
| December 4 | 69.1°F (1979) | 14.0°F (1972) | 2.72 in (1968) |
| December 5 | 55.9°F (1965) | 9.0°F (1972) | 3.10 in (1996) |
| December 6 | 60.1°F (1982) | 12.0°F (1972) | 2.10 in (2013) |
| December 7 | 57.9°F (1939) | 6.1°F (1972) | 1.70 in (2015) |
| December 8 | 60.1°F (1957) | -9.0°F (1972) | 3.10 in (2025) |
| December 9 | 60.1°F (1979) | -4.0°F (1972) | 1.65 in (1987) |
| December 10 | 59.0°F (1939) | -4.0°F (1972) | 2.05 in (1948) |
| December 11 | 55.9°F (1955) | 1.0°F (1972) | 2.10 in (1977) |
| December 12 | 62.1°F (1960) | 15.1°F (1938) | 2.23 in (1946) |
| December 13 | 62.1°F (1969) | 12.0°F (1972) | 3.70 in (1977) |
| December 14 | 57.9°F (1938) | 10.0°F (1967) | 2.80 in (1946) |
| December 15 | 60.1°F (1941) | 12.9°F (1967) | 2.50 in (1981) |
| December 16 | 60.1°F (1941) | 10.9°F (1965) | 2.40 in (2019) |
| December 17 | 75.0°F (1979) | 5.0°F (1964) | 1.98 in (1994) |
| December 18 | 63.0°F (1979) | 10.9°F (1964) | 3.70 in (2025) |
| December 19 | 57.0°F (1940) | 12.9°F (1948) | 4.00 in (2008) |
| December 20 | 64.0°F (1972) | 5.0°F (1990) | 4.00 in (2008) |
| December 21 | 62.1°F (1940) | -2.0°F (1990) | 4.00 in (2008) |
| December 22 | 63.0°F (1940) | 3.0°F (1990) | 3.30 in (1964) |
| December 23 | 62.1°F (1972) | 0.0°F (1983) | 10.00 in (2008) |
| December 24 | 57.9°F (1950) | 10.0°F (1948) | 1.42 in (1972) |
| December 25 | 62.1°F (1950) | 21.0°F (1948) | 1.90 in (1955) |
| December 26 | 60.1°F (1950) | 10.9°F (1990) | 1.70 in (1964) |
| December 27 | 54.0°F (1945) | 15.1°F (1948) | 2.82 in (2008) |
| December 28 | 55.0°F (1945) | 0.0°F (1983) | 3.02 in (1965) |
| December 29 | 55.9°F (1980) | 9.0°F (1978) | 6.00 in (2010) |
| December 30 | 60.1°F (1980) | 6.1°F (1955) | 2.20 in (1954) |
| December 31 | 55.9°F (1958) | 6.1°F (1978) | 2.07 in (1942) |