Riverside Weather in January
Average highs run from 35°F on January 1 to 37°F on January 31, and lows from 19°F to 20°F. Normal precipitation for the month is 2.09 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
- 36°F
- Average low
- 19°F
- Precipitation
- 2.09 in
- Snowfall
- 12.2 in
- Record high
- 59°FJan 30, 2018
- Record low
- -31°FJan 30, 2002
- Chance of a freeze
- 100%
- Daylight
- 9 h 13 min to 10 h 01 min
- Cloud cover
- 63%
- Humidity
- 88%
- Dew point
- 17°F
- Wind
- 6.3 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 | 35°F | 19°F | 47°F 2009 | -11°F 2016 | 31% | 23% |
| Jan 2 | 35°F | 19°F | 50°F 2009 | -12°F 2013 | 31% | 23% |
| Jan 3 | 35°F | 19°F | 49°F 2012 | -11°F 2013 | 31% | 23% |
| Jan 4 | 35°F | 19°F | 48°F 2008 | -15°F 2013 | 32% | 23% |
| Jan 5 | 35°F | 19°F | 51°F 2012 | -21°F 2017 | 32% | 23% |
| Jan 6 | 35°F | 19°F | 47°F 2026 | -28°F 2017 | 32% | 23% |
| Jan 7 | 35°F | 19°F | 49°F 2022 | -26°F 2017 | 32% | 23% |
| Jan 8 | 35°F | 19°F | 49°F 2017 | -13°F 2010 | 32% | 23% |
| Jan 9 | 35°F | 19°F | 50°F 2017 | -5°F 2011 | 32% | 23% |
| Jan 10 | 35°F | 19°F | 49°F 1999 | -4°F 2008 | 32% | 23% |
| Jan 11 | 35°F | 19°F | 51°F 1999 | -5°F 2011 | 32% | 23% |
| Jan 12 | 35°F | 19°F | 48°F 2018 | -8°F 2004 | 32% | 23% |
| Jan 13 | 35°F | 19°F | 49°F 2018 | -19°F 2013 | 32% | 23% |
| Jan 14 | 35°F | 19°F | 48°F 2006 | -20°F 2013 | 32% | 23% |
| Jan 15 | 35°F | 19°F | 51°F 2012 | -11°F 2024 | 32% | 23% |
| Jan 16 | 36°F | 19°F | 57°F 2000 | -15°F 2024 | 32% | 22% |
| Jan 17 | 36°F | 19°F | 48°F 2018 | -11°F 2001 | 32% | 22% |
| Jan 18 | 36°F | 19°F | 51°F 1999 | -9°F 2013 | 32% | 22% |
| Jan 19 | 36°F | 19°F | 54°F 2018 | -13°F 2013 | 31% | 22% |
| Jan 20 | 36°F | 19°F | 49°F 2012 | -14°F 2013 | 31% | 21% |
| Jan 21 | 36°F | 19°F | 50°F 2003 | -13°F 2013 | 31% | 21% |
| Jan 22 | 36°F | 19°F | 47°F 2003 | -16°F 2008 | 31% | 21% |
| Jan 23 | 36°F | 19°F | 48°F 1999 | -15°F 2008 | 31% | 21% |
| Jan 24 | 36°F | 19°F | 45°F 2003 | -13°F 2008 | 31% | 21% |
| Jan 25 | 36°F | 19°F | 47°F 2018 | -3°F 2008 | 30% | 20% |
| Jan 26 | 37°F | 19°F | 52°F 2003 | 0°F 2022 | 30% | 20% |
| Jan 27 | 37°F | 19°F | 52°F 2003 | -4°F 2017 | 30% | 20% |
| Jan 28 | 37°F | 20°F | 46°F 2003 | -5°F 2001 | 30% | 20% |
| Jan 29 | 37°F | 20°F | 49°F 2021 | -25°F 2002 | 30% | 19% |
| Jan 30 | 37°F | 20°F | 59°F 2018 | -31°F 2002 | 30% | 19% |
| Jan 31 | 37°F | 20°F | 59°F 2003 | -27°F 2023 | 30% | 19% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MST).
- January 1
- sunrise 7:56 AM, sunset 5:09 PM
- January 31
- sunrise 7:42 AM, sunset 5:43 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00428817 (Tremonton), public domain. Records: NOAA GHCN-Daily, station USW00094128, 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.