December weather in Fallon, NV
The average temperature in Fallon in December is 32.1°F (19.0°F–45.2°F). Average precipitation: 0.39 inches. Average snowfall is 1.4 inches.
December is a winter month in Fallon, and is cooler than the annual average of 52.1°F. Daily temperatures swing about 26.2°F between overnight low and afternoon high. Expect about 4 days with precipitation. Daylight averages about 9h 14m. For travel, December is cool.
Avg High
45.2°F
Avg Low
19.0°F
Precipitation
0.39 in
Snow
1.4 in
December records in Fallon
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 69.1°F (1995) | -2.0°F (1906) | 0.24 in (1909) |
| December 2 | 69.1°F (1977) | -2.0°F (1906) | 0.36 in (1925) |
| December 3 | 66.0°F (1940) | 8.1°F (1934) | 0.24 in (1951) |
| December 4 | 66.0°F (1995) | 6.1°F (1903) | 0.50 in (1906) |
| December 5 | 66.9°F (1995) | -0.9°F (1992) | 0.28 in (2018) |
| December 6 | 69.1°F (2023) | 3.9°F (1903) | 0.72 in (1966) |
| December 7 | 64.9°F (1977) | 3.0°F (1903) | 0.73 in (2007) |
| December 8 | 66.9°F (1939) | -11.0°F (2009) | 0.33 in (1997) |
| December 9 | 69.1°F (1939) | -13.0°F (1972) | 0.62 in (2021) |
| December 10 | 72.0°F (1939) | -11.9°F (2009) | 0.35 in (1937) |
| December 11 | 64.9°F (1933) | -14.1°F (1972) | 0.45 in (1937) |
| December 12 | 64.9°F (1929) | -17.0°F (1932) | 0.65 in (1922) |
| December 13 | 66.9°F (1929) | -17.0°F (1932) | 0.73 in (1934) |
| December 14 | 69.1°F (2002) | -17.0°F (1932) | 0.30 in (1915) |
| December 15 | 66.0°F (1962) | -7.1°F (1931) | 0.51 in (1936) |
| December 16 | 69.1°F (1982) | -7.1°F (1931) | 0.20 in (1983) |
| December 17 | 71.1°F (2025) | -0.9°F (1931) | 0.30 in (1977) |
| December 18 | 68.0°F (2025) | -0.9°F (1908) | 0.19 in (1978) |
| December 19 | 70.0°F (2025) | -2.0°F (1908) | 0.41 in (2005) |
| December 20 | 71.1°F (2016) | -2.0°F (1908) | 0.75 in (1921) |
| December 21 | 71.1°F (2025) | -8.0°F (1990) | 0.12 in (1918) |
| December 22 | 69.1°F (1964) | -20.9°F (1990) | 0.55 in (2021) |
| December 23 | 68.0°F (2025) | -17.0°F (1990) | 0.36 in (1955) |
| December 24 | 63.0°F (1919) | -17.0°F (1990) | 0.96 in (1931) |
| December 25 | 72.0°F (1907) | -9.9°F (1924) | 0.30 in (1988) |
| December 26 | 68.0°F (1907) | -9.9°F (1924) | 0.25 in (1946) |
| December 27 | 64.0°F (1928) | -5.1°F (1988) | 0.50 in (1906) |
| December 28 | 64.9°F (1945) | -4.0°F (1990) | 0.41 in (1940) |
| December 29 | 62.1°F (1945) | -9.9°F (1988) | 0.33 in (1941) |
| December 30 | 69.1°F (2011) | -9.0°F (1990) | 0.25 in (1906) |
| December 31 | 63.0°F (1996) | -11.9°F (1974) | 1.25 in (2022) |