Sioux County Weather in April
Average highs run from 51°F on April 1 to 63°F on April 30, and lows from 27°F to 37°F. Normal precipitation for the month is 1.37 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
- 57°F
- Average low
- 32°F
- Precipitation
- 1.37 in
- Snowfall
- 4.9 in
- Record high
- 90°FApr 13, 2003
- Record low
- -2°FApr 7, 2018
- Chance of a freeze
- 100%
- Daylight
- 12 h 49 min to 14 h 19 min
- Cloud cover
- 65%
- Humidity
- 62%
- Dew point
- 30°F
- Wind
- 12.5 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 | 51°F | 27°F | 74°F 2015 | 0°F 2014 | 19% | 10% |
| Apr 2 | 52°F | 28°F | 79°F 2012 | -1°F 2014 | 19% | 10% |
| Apr 3 | 52°F | 28°F | 74°F 2021 | 2°F 2002 | 19% | 10% |
| Apr 4 | 53°F | 28°F | 75°F 2021 | 2°F 2020 | 20% | 9% |
| Apr 5 | 53°F | 29°F | 77°F 2021 | 5°F 2007 | 20% | 9% |
| Apr 6 | 53°F | 29°F | 73°F 1992 | -1°F 2018 | 20% | 9% |
| Apr 7 | 54°F | 29°F | 65°F 2012 | -2°F 2018 | 20% | 9% |
| Apr 8 | 54°F | 30°F | 72°F 2017 | 3°F 2018 | 20% | 8% |
| Apr 9 | 55°F | 30°F | 77°F 2003 | 0°F 1997 | 21% | 8% |
| Apr 10 | 55°F | 30°F | 74°F 2006 | -1°F 1997 | 21% | 8% |
| Apr 11 | 55°F | 31°F | 73°F 1996 | 8°F 1997 | 21% | 8% |
| Apr 12 | 56°F | 31°F | 77°F 2003 | 10°F 1997 | 22% | 7% |
| Apr 13 | 56°F | 31°F | 90°F 2003 | 9°F 2020 | 22% | 7% |
| Apr 14 | 57°F | 32°F | 81°F 2006 | 7°F 2020 | 22% | 7% |
| Apr 15 | 57°F | 32°F | 79°F 2015 | 7°F 2020 | 23% | 7% |
| Apr 16 | 57°F | 32°F | 84°F 2008 | 6°F 2022 | 23% | 6% |
| Apr 17 | 58°F | 33°F | 77°F 2006 | 6°F 2022 | 23% | 6% |
| Apr 18 | 58°F | 33°F | 80°F 1994 | 12°F 2022 | 23% | 6% |
| Apr 19 | 59°F | 33°F | 69°F 1994 | 11°F 2022 | 24% | 5% |
| Apr 20 | 59°F | 34°F | 74°F 2019 | 11°F 2013 | 24% | 5% |
| Apr 21 | 59°F | 34°F | 77°F 2019 | 18°F 2013 | 24% | 5% |
| Apr 22 | 60°F | 34°F | 77°F 2026 | 20°F 2021 | 24% | 5% |
| Apr 23 | 60°F | 35°F | 87°F 2026 | 15°F 2013 | 25% | 4% |
| Apr 24 | 60°F | 35°F | 82°F 2009 | 15°F 2021 | 25% | 4% |
| Apr 25 | 61°F | 35°F | 87°F 2012 | 15°F 2021 | 25% | 4% |
| Apr 26 | 61°F | 36°F | 76°F 2001 | 21°F 1996 | 25% | 4% |
| Apr 27 | 62°F | 36°F | 81°F 2001 | 16°F 1994 | 25% | 3% |
| Apr 28 | 62°F | 37°F | 88°F 2001 | 16°F 1994 | 26% | 3% |
| Apr 29 | 62°F | 37°F | 82°F 2001 | 20°F 2008 | 26% | 3% |
| Apr 30 | 63°F | 37°F | 80°F 2018 | 24°F 2025 | 26% | 3% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CDT).
- April 1
- sunrise 7:24 AM, sunset 8:13 PM
- April 30
- sunrise 6:32 AM, sunset 8:51 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00395381 (Mc Intosh 6 Se), public domain. Records: NOAA GHCN-Daily, station USC00324083, 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.