Glenns Ferry Weather in December
Average highs run from 48°F on December 1 to 42°F on December 31, and lows from 26°F to 24°F. Normal precipitation for the month is 1.56 in.
December day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
December at a glance
- Average high
- 44°F
- Average low
- 25°F
- Precipitation
- 1.56 in
- Record high
- 67°FDec 1, 1995
- Record low
- -25°FDec 22, 1990
- Chance of a freeze
- 100%
- Daylight
- 9 h 15 min to 9 h 04 min
- Cloud cover
- 65%
- Humidity
- 76%
- Dew point
- 22°F
- Wind
- 8.1 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Dec 1 | 48°F | 26°F | 67°F 1995 | -2°F 2015 | |
| Dec 2 | 47°F | 26°F | 67°F 1995 | 5°F 2015 | |
| Dec 3 | 47°F | 26°F | 56°F 2003 | 8°F 2011 | |
| Dec 4 | 47°F | 26°F | 59°F 2014 | 4°F 1992 | |
| Dec 5 | 46°F | 26°F | 57°F 2012 | -7°F 1992 | |
| Dec 6 | 46°F | 25°F | 62°F 1987 | -4°F 1992 | |
| Dec 7 | 46°F | 25°F | 67°F 1987 | -1°F 1992 | |
| Dec 8 | 45°F | 25°F | 55°F 2006 | -2°F 2013 | |
| Dec 9 | 45°F | 25°F | 55°F 1990 | -9°F 2013 | |
| Dec 10 | 45°F | 25°F | 62°F 1990 | -5°F 2009 | |
| Dec 11 | 44°F | 25°F | 64°F 1990 | -1°F 2009 | |
| Dec 12 | 44°F | 25°F | 63°F 2014 | -2°F 1985 | |
| Dec 13 | 44°F | 25°F | 58°F 1995 | -2°F 1985 | |
| Dec 14 | 44°F | 24°F | 58°F 1998 | -1°F 1985 | |
| Dec 15 | 44°F | 24°F | 53°F 2002 | -2°F 1985 | |
| Dec 16 | 43°F | 24°F | 56°F 2002 | -1°F 1985 | |
| Dec 17 | 43°F | 24°F | 53°F 1998 | -4°F 2008 | |
| Dec 18 | 43°F | 24°F | 52°F 1993 | 0°F 1984 | |
| Dec 19 | 43°F | 24°F | 55°F 1995 | 2°F 1985 | |
| Dec 20 | 43°F | 24°F | 51°F 1982 | 0°F 1985 | |
| Dec 21 | 43°F | 24°F | 51°F 1994 | -16°F 1990 | |
| Dec 22 | 43°F | 24°F | 52°F 1989 | -25°F 1990 | |
| Dec 23 | 43°F | 24°F | 54°F 2005 | -24°F 1990 | |
| Dec 24 | 42°F | 24°F | 52°F 1989 | -20°F 1990 | |
| Dec 25 | 42°F | 24°F | 52°F 1994 | -11°F 1990 | |
| Dec 26 | 42°F | 24°F | 50°F 1993 | -8°F 1990 | |
| Dec 27 | 42°F | 24°F | 54°F 2004 | -2°F 1985 | |
| Dec 28 | 42°F | 24°F | 59°F 1994 | -6°F 1985 | |
| Dec 29 | 42°F | 24°F | 63°F 1994 | -4°F 1985 | |
| Dec 30 | 42°F | 24°F | 58°F 1998 | -17°F 1990 | |
| Dec 31 | 42°F | 24°F | 58°F 1989 | -8°F 1990 |
Chance of rain
Sunrise and sunset
Times for 2026, local time (MST).
- December 1
- sunrise 7:53 AM, sunset 5:08 PM
- December 31
- sunrise 8:12 AM, sunset 5:16 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00103631 (Glenns Ferry), public domain. Records: NOAA GHCN-Daily, station USC00103932, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.