Heron Lake Weather in April
Average highs run from 48°F on April 1 to 61°F on April 30, and lows from 27°F to 38°F. Normal precipitation for the month is 3.03 in over about 11 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
- 33°F
- Precipitation
- 3.03 in
- Snowfall
- 5.4 in
- Record high
- 94°FApr 28, 1910
- Record low
- 6°FApr 3, 1975
- Chance of a freeze
- 100%
- Daylight
- 12 h 45 min to 14 h 08 min
- Cloud cover
- 64%
- Humidity
- 69%
- Dew point
- 34°F
- Wind
- 13.4 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 | 48°F | 27°F | 80°F 2010 | 7°F 1975 | 30% | 13% |
| Apr 2 | 49°F | 28°F | 82°F 2015 | 11°F 1975 | 30% | 13% |
| Apr 3 | 49°F | 28°F | 81°F 2012 | 6°F 1975 | 31% | 12% |
| Apr 4 | 50°F | 28°F | 80°F 2005 | 8°F 1995 | 31% | 12% |
| Apr 5 | 50°F | 29°F | 80°F 2021 | 9°F 1995 | 31% | 12% |
| Apr 6 | 51°F | 29°F | 87°F 2021 | 7°F 1982 | 32% | 12% |
| Apr 7 | 51°F | 29°F | 86°F 1991 | 10°F 2007 | 32% | 11% |
| Apr 8 | 52°F | 30°F | 83°F 1988 | 6°F 1997 | 32% | 11% |
| Apr 9 | 52°F | 30°F | 88°F 1977 | 7°F 1997 | 33% | 11% |
| Apr 10 | 53°F | 30°F | 85°F 1977 | 14°F 1989 | 33% | 11% |
| Apr 11 | 53°F | 31°F | 83°F 1968 | 10°F 1939 | 34% | 10% |
| Apr 12 | 53°F | 31°F | 83°F 2023 | 15°F 1950 | 34% | 10% |
| Apr 13 | 54°F | 31°F | 89°F 2023 | 12°F 1962 | 34% | 10% |
| Apr 14 | 54°F | 32°F | 90°F 2023 | 15°F 1907 | 35% | 9% |
| Apr 15 | 55°F | 32°F | 90°F 2002 | 12°F 1962 | 35% | 9% |
| Apr 16 | 55°F | 33°F | 89°F 1964 | 18°F 2014 | 36% | 9% |
| Apr 17 | 56°F | 33°F | 85°F 1964 | 13°F 1907 | 36% | 8% |
| Apr 18 | 56°F | 33°F | 91°F 2004 | 12°F 1907 | 36% | 8% |
| Apr 19 | 57°F | 34°F | 91°F 1985 | 13°F 1907 | 36% | 8% |
| Apr 20 | 57°F | 34°F | 89°F 1980 | 12°F 1907 | 37% | 7% |
| Apr 21 | 58°F | 35°F | 93°F 1980 | 20°F 1959 | 37% | 7% |
| Apr 22 | 58°F | 35°F | 91°F 1980 | 23°F 1907 | 37% | 7% |
| Apr 23 | 58°F | 35°F | 89°F 1960 | 19°F 1956 | 37% | 6% |
| Apr 24 | 59°F | 36°F | 86°F 1962 | 15°F 1918 | 38% | 6% |
| Apr 25 | 59°F | 36°F | 83°F 1949 | 17°F 1907 | 38% | 6% |
| Apr 26 | 60°F | 37°F | 84°F 1970 | 25°F 1950 | 38% | 5% |
| Apr 27 | 60°F | 37°F | 87°F 1977 | 20°F 1909 | 38% | 5% |
| Apr 28 | 61°F | 37°F | 94°F 1910 | 24°F 2017 | 39% | 5% |
| Apr 29 | 61°F | 38°F | 89°F 2007 | 20°F 1958 | 39% | 5% |
| Apr 30 | 61°F | 38°F | 88°F 1968 | 14°F 1956 | 39% | 4% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CDT).
- April 1
- sunrise 7:03 AM, sunset 7:48 PM
- April 30
- sunrise 6:15 AM, sunset 8:23 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00214453 (Lakefield 2NE), public domain. Records: NOAA GHCN-Daily, station USC00219033, 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.