December weather in Riggins, ID
The average temperature in Riggins in December is 32.0°F (24.5°F–39.6°F). Average precipitation: 1.44 inches. Average snowfall is 2.0 inches.
December is a winter month in Riggins, and is cooler than the annual average of 50.2°F. Daily temperatures swing about 15.1°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 8h 32m. For travel, December is cold.
Avg High
39.6°F
Avg Low
24.5°F
Precipitation
1.44 in
Snow
2.0 in
December records in Riggins
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 61.0°F (1999) | 10.9°F (1985) | 0.54 in (2022) |
| December 2 | 64.0°F (2021) | 18.0°F (1985) | 1.20 in (1975) |
| December 3 | 63.0°F (1941) | 10.0°F (1897) | 0.50 in (1941) |
| December 4 | 62.1°F (1975) | 12.9°F (1972) | 0.81 in (1980) |
| December 5 | 60.1°F (1939) | 6.1°F (1972) | 0.40 in (2025) |
| December 6 | 62.1°F (1939) | 10.0°F (2018) | 0.53 in (1897) |
| December 7 | 59.0°F (1939) | 6.1°F (2009) | 0.46 in (1987) |
| December 8 | 61.0°F (1939) | 1.0°F (1972) | 0.94 in (1985) |
| December 9 | 63.0°F (1915) | -2.9°F (1972) | 0.75 in (1906) |
| December 10 | 69.1°F (1939) | -5.1°F (1972) | 0.60 in (1956) |
| December 11 | 68.0°F (1939) | -2.9°F (1972) | 1.15 in (1958) |
| December 12 | 59.0°F (2025) | 1.9°F (2005) | 0.83 in (1906) |
| December 13 | 62.1°F (2025) | 6.1°F (1898) | 1.02 in (1907) |
| December 14 | 59.0°F (1969) | 9.0°F (1967) | 1.48 in (2021) |
| December 15 | 64.0°F (2002) | 7.0°F (1967) | 0.22 in (2010) |
| December 16 | 64.0°F (1939) | 1.9°F (1964) | 0.47 in (1941) |
| December 17 | 60.1°F (1939) | -8.0°F (1964) | 1.00 in (1903) |
| December 18 | 63.0°F (1917) | 6.1°F (1914) | 0.36 in (2018) |
| December 19 | 60.1°F (1917) | 10.9°F (1998) | 0.40 in (1964) |
| December 20 | 59.0°F (1940) | 1.9°F (1990) | 0.71 in (1974) |
| December 21 | 57.9°F (1906) | 0.0°F (1990) | 2.00 in (2017) |
| December 22 | 61.0°F (1955) | -2.0°F (1983) | 0.48 in (2002) |
| December 23 | 61.0°F (1955) | -6.0°F (1983) | 1.30 in (2017) |
| December 24 | 55.9°F (1940) | -2.0°F (1983) | 1.05 in (1959) |
| December 25 | 57.9°F (2025) | 8.1°F (1944) | 0.80 in (2017) |
| December 26 | 55.9°F (1980) | 12.0°F (1916) | 0.53 in (2025) |
| December 27 | 63.0°F (1980) | 1.9°F (1916) | 1.16 in (2022) |
| December 28 | 62.1°F (1965) | 12.9°F (1916) | 0.87 in (1917) |
| December 29 | 63.0°F (1917) | 0.0°F (1990) | 0.29 in (1945) |
| December 30 | 62.1°F (1917) | -4.0°F (1968) | 1.50 in (1904) |
| December 31 | 60.1°F (1917) | -2.0°F (1978) | 0.75 in (1996) |