American Falls Weather in January
Average highs run from 31°F on January 1 to 34°F on January 31, and lows from 17°F to 18°F. Normal precipitation for the month is 1.32 in over about 10 wet days.
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
- 32°F
- Average low
- 17°F
- Precipitation
- 1.32 in
- Snowfall
- 9.4 in
- Record high
- 61°FJan 30, 2018
- Record low
- -31°FJan 25, 1949
- Chance of a freeze
- 100%
- Daylight
- 9 h 06 min to 9 h 56 min
- Cloud cover
- 69%
- Humidity
- 85%
- Dew point
- 19°F
- Wind
- 8.5 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Jan 1 | 31°F | 17°F | 53°F 1981 | -20°F 1942 | 33% | 23% |
| Jan 2 | 31°F | 17°F | 51°F 1997 | -16°F 1974 | 33% | 24% |
| Jan 3 | 31°F | 17°F | 51°F 2003 | -15°F 1952 | 33% | 24% |
| Jan 4 | 31°F | 17°F | 51°F 1994 | -22°F 1942 | 33% | 24% |
| Jan 5 | 31°F | 17°F | 55°F 2012 | -19°F 1979 | 33% | 24% |
| Jan 6 | 31°F | 17°F | 54°F 1948 | -24°F 1979 | 33% | 24% |
| Jan 7 | 32°F | 17°F | 55°F 1948 | -28°F 1979 | 33% | 25% |
| Jan 8 | 32°F | 17°F | 49°F 1996 | -20°F 1979 | 33% | 25% |
| Jan 9 | 32°F | 17°F | 55°F 1990 | -19°F 1974 | 33% | 25% |
| Jan 10 | 32°F | 17°F | 54°F 1953 | -14°F 1987 | 33% | 25% |
| Jan 11 | 32°F | 17°F | 53°F 1999 | -17°F 1963 | 33% | 25% |
| Jan 12 | 32°F | 17°F | 55°F 1953 | -22°F 1963 | 33% | 25% |
| Jan 13 | 32°F | 17°F | 52°F 1953 | -19°F 1964 | 33% | 25% |
| Jan 14 | 32°F | 17°F | 52°F 2012 | -16°F 1964 | 33% | 24% |
| Jan 15 | 32°F | 17°F | 52°F 1974 | -14°F 2024 | 33% | 24% |
| Jan 16 | 32°F | 17°F | 57°F 1974 | -14°F 2024 | 32% | 24% |
| Jan 17 | 32°F | 17°F | 54°F 1961 | -23°F 1984 | 32% | 24% |
| Jan 18 | 32°F | 17°F | 54°F 2015 | -28°F 1984 | 32% | 24% |
| Jan 19 | 32°F | 17°F | 53°F 1971 | -23°F 1984 | 32% | 24% |
| Jan 20 | 33°F | 17°F | 53°F 1953 | -19°F 1984 | 31% | 23% |
| Jan 21 | 33°F | 17°F | 50°F 1943 | -25°F 1962 | 31% | 23% |
| Jan 22 | 33°F | 17°F | 49°F 1981 | -30°F 1962 | 31% | 23% |
| Jan 23 | 33°F | 17°F | 55°F 1970 | -27°F 1962 | 31% | 23% |
| Jan 24 | 33°F | 17°F | 52°F 1953 | -19°F 1949 | 31% | 22% |
| Jan 25 | 33°F | 17°F | 54°F 1953 | -31°F 1949 | 30% | 22% |
| Jan 26 | 33°F | 17°F | 52°F 2003 | -21°F 1949 | 30% | 22% |
| Jan 27 | 33°F | 17°F | 53°F 2003 | -10°F 2009 | 30% | 22% |
| Jan 28 | 33°F | 18°F | 52°F 1967 | -20°F 1979 | 30% | 22% |
| Jan 29 | 33°F | 18°F | 51°F 1992 | -22°F 1949 | 30% | 22% |
| Jan 30 | 33°F | 18°F | 61°F 2018 | -20°F 1979 | 30% | 21% |
| Jan 31 | 34°F | 18°F | 60°F 2003 | -28°F 1985 | 30% | 21% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MST).
- January 1
- sunrise 8:02 AM, sunset 5:08 PM
- January 31
- sunrise 7:47 AM, sunset 5:43 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00100227 (American Falls 6 Ne), public domain. Records: NOAA GHCN-Daily, station USW00024156, 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 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.