Mountain Home Weather in January
Average highs run from 38°F on January 1 to 43°F on January 31, and lows from 23°F to 25°F.
January day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
January at a glance
- Average high
- 40°F
- Average low
- 23°F
- Record high
- 67°FJan 12, 1980
- Record low
- -16°FJan 1, 1979
- Chance of a freeze
- 100%
- Daylight
- 9 h 04 min to 9 h 55 min
- Cloud cover
- 64%
- Humidity
- 79%
- Dew point
- 23°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 |
|---|---|---|---|---|---|
| Jan 1 | 38°F | 23°F | 63°F 1997 | -16°F 1979 | |
| Jan 2 | 38°F | 23°F | 56°F 2009 | -9°F 1991 | |
| Jan 3 | 38°F | 23°F | 57°F 2009 | -8°F 1991 | |
| Jan 4 | 38°F | 23°F | 56°F 2003 | -14°F 1942 | |
| Jan 5 | 38°F | 23°F | 57°F 2012 | -12°F 1942 | |
| Jan 6 | 38°F | 23°F | 58°F 1965 | -16°F 1942 | |
| Jan 7 | 39°F | 23°F | 56°F 1969 | -14°F 1979 | |
| Jan 8 | 39°F | 23°F | 60°F 1990 | -7°F 1974 | |
| Jan 9 | 39°F | 23°F | 58°F 1990 | -7°F 1974 | |
| Jan 10 | 39°F | 23°F | 59°F 1988 | -6°F 1974 | |
| Jan 11 | 39°F | 23°F | 57°F 1983 | -8°F 1974 | |
| Jan 12 | 39°F | 23°F | 67°F 1980 | -1°F 1963 | |
| Jan 13 | 39°F | 23°F | 60°F 1945 | -1°F 1963 | |
| Jan 14 | 40°F | 23°F | 60°F 1974 | 3°F 1972 | |
| Jan 15 | 40°F | 23°F | 60°F 1943 | 5°F 1964 | |
| Jan 16 | 40°F | 23°F | 62°F 2000 | -3°F 1987 | |
| Jan 17 | 40°F | 23°F | 57°F 1998 | -3°F 1984 | |
| Jan 18 | 40°F | 24°F | 60°F 2011 | -16°F 1984 | |
| Jan 19 | 40°F | 24°F | 58°F 1971 | -12°F 1984 | |
| Jan 20 | 41°F | 24°F | 59°F 1969 | -16°F 1984 | |
| Jan 21 | 41°F | 24°F | 62°F 1943 | -14°F 1942 | |
| Jan 22 | 41°F | 24°F | 58°F 1943 | -2°F 1942 | |
| Jan 23 | 41°F | 24°F | 53°F 1938 | 1°F 2008 | |
| Jan 24 | 41°F | 24°F | 63°F 1992 | 4°F 2008 | |
| Jan 25 | 42°F | 24°F | 60°F 1992 | 3°F 1963 | |
| Jan 26 | 42°F | 24°F | 59°F 1971 | -3°F 1979 | |
| Jan 27 | 42°F | 24°F | 58°F 1998 | 5°F 1989 | |
| Jan 28 | 42°F | 24°F | 58°F 1998 | -5°F 1980 | |
| Jan 29 | 42°F | 24°F | 62°F 1967 | 0°F 1969 | |
| Jan 30 | 43°F | 24°F | 58°F 1986 | -11°F 1979 | |
| Jan 31 | 43°F | 25°F | 64°F 1992 | 2°F 1979 |
Chance of rain
Sunrise and sunset
Times for 2026, local time (MST).
- January 1
- sunrise 8:15 AM, sunset 5:19 PM
- January 31
- sunrise 7:59 AM, sunset 5:54 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00106174 (Mtn Home), public domain. Records: NOAA GHCN-Daily, station USC00101195, 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.