December weather in Glenns Ferry, ID
The average temperature in Glenns Ferry in December is 34.2°F (24.5°F–43.9°F). Average precipitation: 1.56 inches.
December is a winter month in Glenns Ferry, and is cooler than the annual average of 54.6°F. Daily temperatures swing about 19.4°F between overnight low and afternoon high. Daylight averages about 8h 51m. For travel, December is cold.
Avg High
43.9°F
Avg Low
24.5°F
Precipitation
1.56 in
Daylight
8h 51m
December records in Glenns Ferry
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 69.1°F (1999) | 0.0°F (1979) | 0.46 in (1964) |
| December 2 | 62.1°F (1932) | 0.0°F (2015) | 0.62 in (1964) |
| December 3 | 61.0°F (1946) | 9.0°F (1928) | 0.45 in (1951) |
| December 4 | 64.9°F (1939) | 3.0°F (1972) | 0.45 in (1953) |
| December 5 | 69.1°F (1939) | -0.9°F (1972) | 1.09 in (1995) |
| December 6 | 64.0°F (1933) | 3.9°F (1972) | 0.50 in (1995) |
| December 7 | 62.1°F (1939) | 3.0°F (1972) | 0.67 in (1983) |
| December 8 | 62.1°F (1933) | -15.0°F (1972) | 0.77 in (2003) |
| December 9 | 61.0°F (1929) | -23.1°F (1972) | 1.31 in (2004) |
| December 10 | 68.0°F (1939) | -23.1°F (1972) | 0.39 in (2016) |
| December 11 | 75.0°F (1933) | -22.0°F (1972) | 1.32 in (1955) |
| December 12 | 68.0°F (1933) | -11.9°F (1932) | 0.70 in (1995) |
| December 13 | 70.0°F (1929) | -18.0°F (1919) | 0.39 in (2006) |
| December 14 | 64.0°F (1929) | -14.1°F (1919) | 0.65 in (2001) |
| December 15 | 63.0°F (1929) | -9.9°F (1919) | 0.43 in (1977) |
| December 16 | 63.0°F (1962) | -7.1°F (1919) | 0.94 in (2009) |
| December 17 | 60.1°F (1962) | -7.1°F (1922) | 0.62 in (1933) |
| December 18 | 60.1°F (1979) | -7.1°F (1914) | 0.51 in (1951) |
| December 19 | 59.0°F (2023) | -8.0°F (1984) | 0.50 in (1924) |
| December 20 | 59.0°F (1939) | -8.0°F (1984) | 0.56 in (1974) |
| December 21 | 55.0°F (1940) | -16.1°F (1990) | 1.20 in (2014) |
| December 22 | 63.0°F (1964) | -6.0°F (1983) | 0.56 in (2015) |
| December 23 | 63.0°F (1964) | -11.9°F (1924) | 1.17 in (1964) |
| December 24 | 57.9°F (1933) | -24.0°F (1924) | 0.90 in (1968) |
| December 25 | 63.0°F (1933) | -27.9°F (1924) | 0.70 in (1980) |
| December 26 | 66.0°F (1933) | -26.0°F (1924) | 0.53 in (1996) |
| December 27 | 64.9°F (1933) | -16.1°F (1924) | 0.65 in (2024) |
| December 28 | 57.9°F (1933) | -9.0°F (1985) | 0.63 in (1945) |
| December 29 | 66.0°F (1933) | -8.0°F (1985) | 1.03 in (1924) |
| December 30 | 60.1°F (1933) | -11.9°F (1978) | 0.96 in (1913) |
| December 31 | 57.9°F (1933) | -9.9°F (1978) | 0.61 in (2009) |