Sioux County Weather in April
Average highs run from 59°F on April 1 to 64°F on April 30, and lows from 26°F to 33°F. Normal precipitation for the month is 1.52 in over about 7 wet days.
April day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
April at a glance
- Average high
- 61°F
- Average low
- 29°F
- Precipitation
- 1.52 in
- Snowfall
- 5.4 in
- Record high
- 90°FApr 22, 2026
- Record low
- 1°FApr 3, 2020
- Chance of a freeze
- 100%
- Daylight
- 12 h 44 min to 14 h 03 min
- Cloud cover
- 64%
- Humidity
- 56%
- Dew point
- 28°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 |
|---|---|---|---|---|---|---|
| Apr 1 | 59°F | 26°F | 88°F 2012 | 16°F 2005 | 20% | 10% |
| Apr 2 | 59°F | 27°F | 83°F 2011 | 7°F 2020 | 20% | 9% |
| Apr 3 | 59°F | 27°F | 79°F 2021 | 1°F 2020 | 20% | 9% |
| Apr 4 | 59°F | 27°F | 82°F 2021 | 2°F 1999 | 21% | 9% |
| Apr 5 | 60°F | 27°F | 81°F 2006 | 17°F 2023 | 21% | 9% |
| Apr 6 | 60°F | 27°F | 79°F 2012 | 12°F 2009 | 21% | 9% |
| Apr 7 | 60°F | 28°F | 81°F 2017 | 14°F 2018 | 22% | 9% |
| Apr 8 | 60°F | 28°F | 77°F 2005 | 16°F 2000 | 22% | 9% |
| Apr 9 | 60°F | 28°F | 81°F 2023 | 13°F 2013 | 22% | 9% |
| Apr 10 | 60°F | 28°F | 79°F 2006 | 9°F 2013 | 22% | 9% |
| Apr 11 | 60°F | 28°F | 83°F 2025 | 2°F 2013 | 23% | 8% |
| Apr 12 | 61°F | 28°F | 82°F 2025 | 16°F 2022 | 23% | 8% |
| Apr 13 | 61°F | 29°F | 85°F 2006 | 12°F 2022 | 23% | 8% |
| Apr 14 | 61°F | 29°F | 83°F 2006 | 9°F 2020 | 24% | 8% |
| Apr 15 | 61°F | 29°F | 88°F 2002 | 18°F 2022 | 24% | 8% |
| Apr 16 | 61°F | 29°F | 80°F 2025 | 14°F 2000 | 24% | 8% |
| Apr 17 | 61°F | 29°F | 84°F 2005 | 6°F 2020 | 25% | 7% |
| Apr 18 | 62°F | 30°F | 81°F 2001 | 14°F 2013 | 25% | 7% |
| Apr 19 | 62°F | 30°F | 80°F 2008 | 18°F 2021 | 25% | 7% |
| Apr 20 | 62°F | 30°F | 82°F 2026 | 14°F 2021 | 26% | 7% |
| Apr 21 | 62°F | 30°F | 88°F 2026 | 19°F 2024 | 26% | 7% |
| Apr 22 | 62°F | 30°F | 90°F 2026 | 22°F 2013 | 26% | 6% |
| Apr 23 | 63°F | 31°F | 88°F 2012 | 17°F 2013 | 26% | 6% |
| Apr 24 | 63°F | 31°F | 90°F 2012 | 21°F 2013 | 27% | 6% |
| Apr 25 | 63°F | 31°F | 83°F 2012 | 20°F 2002 | 27% | 6% |
| Apr 26 | 63°F | 32°F | 86°F 2012 | 26°F 2006 | 27% | 6% |
| Apr 27 | 64°F | 32°F | 82°F 2001 | 24°F 2010 | 28% | 5% |
| Apr 28 | 64°F | 32°F | 80°F 2001 | 24°F 2005 | 28% | 5% |
| Apr 29 | 64°F | 32°F | 86°F 2007 | 22°F 2005 | 29% | 5% |
| Apr 30 | 64°F | 33°F | 88°F 2020 | 23°F 2005 | 29% | 5% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MDT).
- April 1
- sunrise 6:37 AM, sunset 7:21 PM
- April 30
- sunrise 5:51 AM, sunset 7:54 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.