Sioux County Weather in January
Average highs run from 40°F on January 1 to 41°F on January 31, and lows from 9°F to 12°F. Normal precipitation for the month is 0.22 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
- 41°F
- Average low
- 11°F
- Precipitation
- 0.22 in
- Snowfall
- 4.1 in
- Record high
- 75°FJan 27, 2015
- Record low
- -27°FJan 16, 2024
- Chance of a freeze
- 100%
- Daylight
- 9 h 08 min to 9 h 58 min
- Cloud cover
- 63%
- Humidity
- 66%
- Dew point
- 17°F
- Wind
- 12.8 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 | 40°F | 9°F | 58°F 2026 | -10°F 2018 | 11% | 10% |
| Jan 2 | 40°F | 10°F | 63°F 2009 | -12°F 2018 | 11% | 10% |
| Jan 3 | 40°F | 10°F | 60°F 2012 | -11°F 2015 | 11% | 10% |
| Jan 4 | 40°F | 10°F | 61°F 2019 | -14°F 2015 | 12% | 10% |
| Jan 5 | 40°F | 10°F | 65°F 2012 | -25°F 2004 | 12% | 10% |
| Jan 6 | 40°F | 10°F | 63°F 2006 | -23°F 2004 | 12% | 10% |
| Jan 7 | 40°F | 10°F | 66°F 2006 | -15°F 2017 | 12% | 10% |
| Jan 8 | 40°F | 10°F | 64°F 2002 | -12°F 2010 | 12% | 10% |
| Jan 9 | 40°F | 10°F | 61°F 2013 | -2°F 2015 | 12% | 10% |
| Jan 10 | 40°F | 11°F | 60°F 2019 | 0°F 2011 | 12% | 10% |
| Jan 11 | 41°F | 11°F | 58°F 2000 | -7°F 2024 | 12% | 10% |
| Jan 12 | 41°F | 11°F | 60°F 2010 | -13°F 2024 | 12% | 10% |
| Jan 13 | 41°F | 11°F | 60°F 2026 | -25°F 2024 | 12% | 10% |
| Jan 14 | 41°F | 11°F | 58°F 2000 | -19°F 2024 | 12% | 10% |
| Jan 15 | 41°F | 11°F | 62°F 2000 | -22°F 2024 | 12% | 10% |
| Jan 16 | 41°F | 11°F | 58°F 2009 | -27°F 2024 | 12% | 10% |
| Jan 17 | 41°F | 11°F | 61°F 2000 | -11°F 2012 | 13% | 10% |
| Jan 18 | 41°F | 11°F | 60°F 2018 | -4°F 2024 | 13% | 10% |
| Jan 19 | 41°F | 12°F | 60°F 2005 | -10°F 2025 | 13% | 10% |
| Jan 20 | 41°F | 12°F | 68°F 2005 | -11°F 2025 | 13% | 10% |
| Jan 21 | 41°F | 12°F | 68°F 2009 | -14°F 2025 | 13% | 11% |
| Jan 22 | 41°F | 12°F | 64°F 2009 | -13°F 2008 | 13% | 11% |
| Jan 23 | 41°F | 12°F | 66°F 2005 | -7°F 2026 | 13% | 11% |
| Jan 24 | 41°F | 12°F | 63°F 2005 | -18°F 2026 | 13% | 11% |
| Jan 25 | 41°F | 12°F | 59°F 2013 | -17°F 2026 | 13% | 11% |
| Jan 26 | 41°F | 12°F | 69°F 2015 | -20°F 2026 | 14% | 11% |
| Jan 27 | 41°F | 12°F | 75°F 2015 | -20°F 2009 | 14% | 11% |
| Jan 28 | 41°F | 12°F | 61°F 2011 | -7°F 1999 | 14% | 11% |
| Jan 29 | 41°F | 12°F | 60°F 2024 | -4°F 2023 | 14% | 11% |
| Jan 30 | 41°F | 12°F | 63°F 2024 | -15°F 2023 | 14% | 11% |
| Jan 31 | 41°F | 12°F | 66°F 2024 | -23°F 2023 | 14% | 11% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MST).
- January 1
- sunrise 7:25 AM, sunset 4:33 PM
- January 31
- sunrise 7:10 AM, sunset 5:08 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00250030 (Agate 3 E), public domain. Records: NOAA GHCN-Daily, station USW00094053, 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.