Riverton Weather in January
Average highs run from 28°F on January 1 to 31°F on January 31, and lows from 3°F to 6°F. Normal precipitation for the month is 0.35 in over about 4 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
- 29°F
- Average low
- 4°F
- Precipitation
- 0.35 in
- Snowfall
- 5.5 in
- Record high
- 63°FJan 1, 1997
- Record low
- -31°FJan 31, 2023
- Chance of a freeze
- 100%
- Daylight
- 9 h 05 min to 9 h 56 min
- Cloud cover
- 65%
- Humidity
- 66%
- Dew point
- 14°F
- Wind
- 11.6 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 | 28°F | 3°F | 63°F 1997 | -17°F 2015 | 14% | 15% |
| Jan 2 | 28°F | 3°F | 51°F 1997 | -12°F 2019 | 13% | 15% |
| Jan 3 | 28°F | 3°F | 49°F 2003 | -10°F 2017 | 13% | 15% |
| Jan 4 | 28°F | 3°F | 54°F 2026 | -10°F 2011 | 13% | 15% |
| Jan 5 | 28°F | 3°F | 50°F 2026 | -21°F 2017 | 13% | 15% |
| Jan 6 | 28°F | 4°F | 52°F 1999 | -25°F 2017 | 13% | 15% |
| Jan 7 | 28°F | 4°F | 50°F 2009 | -23°F 2017 | 13% | 15% |
| Jan 8 | 28°F | 4°F | 55°F 2009 | -15°F 2010 | 13% | 15% |
| Jan 9 | 28°F | 4°F | 47°F 1999 | -5°F 2023 | 13% | 15% |
| Jan 10 | 28°F | 4°F | 49°F 2007 | -6°F 2011 | 13% | 15% |
| Jan 11 | 28°F | 4°F | 49°F 1999 | -11°F 1997 | 13% | 14% |
| Jan 12 | 28°F | 4°F | 54°F 2022 | -14°F 2024 | 13% | 14% |
| Jan 13 | 28°F | 4°F | 60°F 2026 | -27°F 2024 | 13% | 14% |
| Jan 14 | 28°F | 4°F | 57°F 2026 | -19°F 2024 | 13% | 14% |
| Jan 15 | 28°F | 4°F | 56°F 2026 | -22°F 2024 | 13% | 14% |
| Jan 16 | 29°F | 4°F | 54°F 2000 | -23°F 2024 | 13% | 14% |
| Jan 17 | 29°F | 4°F | 50°F 2000 | -11°F 1997 | 13% | 14% |
| Jan 18 | 29°F | 4°F | 53°F 1999 | -9°F 2025 | 13% | 14% |
| Jan 19 | 29°F | 4°F | 57°F 2009 | -14°F 2025 | 12% | 14% |
| Jan 20 | 29°F | 4°F | 49°F 2021 | -19°F 2025 | 12% | 14% |
| Jan 21 | 29°F | 5°F | 51°F 2005 | -18°F 2008 | 12% | 14% |
| Jan 22 | 29°F | 5°F | 49°F 2009 | -25°F 2008 | 12% | 14% |
| Jan 23 | 29°F | 5°F | 45°F 2004 | -10°F 2008 | 12% | 14% |
| Jan 24 | 30°F | 5°F | 47°F 2015 | -10°F 2026 | 12% | 14% |
| Jan 25 | 30°F | 5°F | 55°F 2012 | -10°F 2008 | 12% | 14% |
| Jan 26 | 30°F | 5°F | 53°F 2002 | -12°F 2026 | 12% | 14% |
| Jan 27 | 30°F | 5°F | 54°F 2003 | -19°F 2009 | 12% | 14% |
| Jan 28 | 30°F | 5°F | 46°F 2005 | -8°F 2017 | 12% | 14% |
| Jan 29 | 30°F | 5°F | 49°F 2021 | -29°F 2023 | 12% | 14% |
| Jan 30 | 31°F | 6°F | 50°F 2003 | -29°F 2023 | 12% | 15% |
| Jan 31 | 31°F | 6°F | 56°F 2026 | -31°F 2023 | 12% | 15% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MST).
- January 1
- sunrise 7:45 AM, sunset 4:50 PM
- January 31
- sunrise 7:29 AM, sunset 5:25 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00487760 (Riverton), public domain. Records: NOAA GHCN-Daily, station USW00024061, 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.