Sioux County Weather in March
Average highs run from 47°F on March 1 to 59°F on March 31, and lows from 16°F to 26°F. Normal precipitation for the month is 0.64 in over about 5 wet days.
March day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
March at a glance
- Average high
- 54°F
- Average low
- 21°F
- Precipitation
- 0.64 in
- Snowfall
- 5.6 in
- Record high
- 90°FMar 21, 2026
- Record low
- -17°FMar 4, 2019
- Chance of a freeze
- 100%
- Daylight
- 11 h 15 min to 12 h 41 min
- Cloud cover
- 63%
- Humidity
- 58%
- Dew point
- 22°F
- Wind
- 12.3 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 |
|---|---|---|---|---|---|---|
| Mar 1 | 47°F | 16°F | 71°F 2008 | -3°F 2002 | 15% | 12% |
| Mar 2 | 48°F | 16°F | 71°F 2022 | -5°F 2002 | 15% | 12% |
| Mar 3 | 48°F | 17°F | 72°F 2009 | -13°F 2019 | 15% | 12% |
| Mar 4 | 49°F | 17°F | 76°F 2009 | -17°F 2019 | 15% | 12% |
| Mar 5 | 49°F | 17°F | 72°F 2000 | -1°F 2019 | 15% | 12% |
| Mar 6 | 50°F | 18°F | 73°F 2012 | 10°F 1999 | 16% | 12% |
| Mar 7 | 50°F | 18°F | 71°F 2020 | 3°F 2022 | 16% | 12% |
| Mar 8 | 51°F | 19°F | 67°F 2026 | 2°F 2002 | 16% | 12% |
| Mar 9 | 51°F | 19°F | 73°F 2026 | 1°F 2002 | 16% | 12% |
| Mar 10 | 51°F | 19°F | 73°F 2012 | -11°F 2022 | 16% | 11% |
| Mar 11 | 52°F | 20°F | 75°F 2016 | -4°F 2022 | 16% | 11% |
| Mar 12 | 52°F | 20°F | 78°F 2007 | 11°F 2009 | 16% | 11% |
| Mar 13 | 53°F | 21°F | 76°F 2003 | 11°F 2009 | 16% | 11% |
| Mar 14 | 53°F | 21°F | 79°F 2003 | 13°F 2002 | 16% | 11% |
| Mar 15 | 54°F | 21°F | 83°F 2015 | 3°F 2002 | 16% | 11% |
| Mar 16 | 54°F | 22°F | 78°F 2012 | 1°F 2002 | 17% | 11% |
| Mar 17 | 54°F | 22°F | 80°F 2012 | 10°F 2002 | 17% | 11% |
| Mar 18 | 55°F | 22°F | 83°F 2026 | 15°F 2021 | 17% | 11% |
| Mar 19 | 55°F | 23°F | 87°F 2026 | 10°F 2023 | 17% | 11% |
| Mar 20 | 56°F | 23°F | 84°F 2026 | 9°F 2016 | 17% | 11% |
| Mar 21 | 56°F | 23°F | 90°F 2026 | 6°F 2002 | 17% | 11% |
| Mar 22 | 56°F | 24°F | 78°F 2004 | 13°F 2002 | 18% | 10% |
| Mar 23 | 57°F | 24°F | 77°F 2012 | 12°F 2013 | 18% | 10% |
| Mar 24 | 57°F | 24°F | 80°F 2026 | 8°F 2013 | 18% | 10% |
| Mar 25 | 57°F | 25°F | 90°F 2026 | 4°F 2013 | 18% | 10% |
| Mar 26 | 57°F | 25°F | 84°F 2012 | 12°F 2013 | 19% | 10% |
| Mar 27 | 58°F | 25°F | 84°F 2025 | 9°F 2009 | 19% | 10% |
| Mar 28 | 58°F | 26°F | 82°F 2015 | 8°F 2023 | 19% | 10% |
| Mar 29 | 58°F | 26°F | 81°F 2026 | 16°F 2003 | 19% | 10% |
| Mar 30 | 58°F | 26°F | 83°F 2026 | 15°F 2007 | 20% | 10% |
| Mar 31 | 59°F | 26°F | 85°F 2012 | 14°F 2007 | 20% | 10% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MDT).
- March 1
- sunrise 6:30 AM, sunset 5:45 PM
- March 31
- sunrise 6:39 AM, sunset 7:20 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.