Sun Prairie Weather in April
Average highs run from 51°F on April 1 to 59°F on April 30, and lows from 27°F to 33°F. Normal precipitation for the month is 1.73 in over about 10 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
- 55°F
- Average low
- 30°F
- Precipitation
- 1.73 in
- Snowfall
- 9.4 in
- Record high
- 89°FApr 20, 1980
- Record low
- -8°FApr 21, 2008
- Chance of a freeze
- 100%
- Daylight
- 12 h 52 min to 14 h 27 min
- Cloud cover
- 70%
- Humidity
- 63%
- Dew point
- 28°F
- Wind
- 9.6 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 | 71°F 2021 | -3°F 1954 | 29% | 19% |
| Apr 2 | 51°F | 27°F | 76°F 1992 | -6°F 1954 | 30% | 19% |
| Apr 3 | 52°F | 28°F | 74°F 1992 | -2°F 2002 | 30% | 19% |
| Apr 4 | 52°F | 28°F | 75°F 1960 | 9°F 1975 | 30% | 19% |
| Apr 5 | 52°F | 28°F | 76°F 1969 | -6°F 1975 | 30% | 18% |
| Apr 6 | 52°F | 28°F | 74°F 1971 | -6°F 1975 | 31% | 18% |
| Apr 7 | 53°F | 28°F | 76°F 2005 | 4°F 1982 | 31% | 18% |
| Apr 8 | 53°F | 29°F | 79°F 1996 | 4°F 1982 | 31% | 18% |
| Apr 9 | 53°F | 29°F | 79°F 1996 | 9°F 2013 | 31% | 17% |
| Apr 10 | 53°F | 29°F | 78°F 2023 | 8°F 1997 | 32% | 17% |
| Apr 11 | 54°F | 29°F | 77°F 1976 | 3°F 1940 | 32% | 17% |
| Apr 12 | 54°F | 29°F | 77°F 1976 | -3°F 2020 | 32% | 17% |
| Apr 13 | 54°F | 29°F | 76°F 1980 | 4°F 2020 | 32% | 16% |
| Apr 14 | 54°F | 30°F | 79°F 1963 | 3°F 1986 | 32% | 16% |
| Apr 15 | 55°F | 30°F | 81°F 1988 | 7°F 2022 | 32% | 16% |
| Apr 16 | 55°F | 30°F | 82°F 1984 | 8°F 2022 | 32% | 15% |
| Apr 17 | 55°F | 30°F | 80°F 1980 | 12°F 1968 | 33% | 15% |
| Apr 18 | 55°F | 30°F | 79°F 1949 | 6°F 1951 | 33% | 14% |
| Apr 19 | 56°F | 30°F | 83°F 1962 | 6°F 1951 | 33% | 14% |
| Apr 20 | 56°F | 31°F | 89°F 1980 | -1°F 2008 | 33% | 14% |
| Apr 21 | 56°F | 31°F | 80°F 1942 | -8°F 2008 | 33% | 13% |
| Apr 22 | 57°F | 31°F | 83°F 1969 | 8°F 1967 | 33% | 13% |
| Apr 23 | 57°F | 31°F | 84°F 2012 | 17°F 2008 | 33% | 12% |
| Apr 24 | 57°F | 32°F | 82°F 1962 | 11°F 2009 | 33% | 12% |
| Apr 25 | 58°F | 32°F | 83°F 1946 | 21°F 1960 | 33% | 12% |
| Apr 26 | 58°F | 32°F | 80°F 1952 | 19°F 1960 | 33% | 11% |
| Apr 27 | 58°F | 32°F | 85°F 1987 | 17°F 1984 | 33% | 11% |
| Apr 28 | 59°F | 33°F | 87°F 1987 | 14°F 1954 | 33% | 11% |
| Apr 29 | 59°F | 33°F | 87°F 1939 | 13°F 2019 | 34% | 10% |
| Apr 30 | 59°F | 33°F | 85°F 1987 | 15°F 2019 | 34% | 10% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MDT).
- April 1
- sunrise 7:04 AM, sunset 7:56 PM
- April 30
- sunrise 6:10 AM, sunset 8:37 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00024143 (Great Falls Intl AP), public domain. Records: NOAA GHCN-Daily, station USW00024143, 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.