April weather forecastHeron Lake, MN
April
Weather in April
April in Heron Lake, Minnesota, is a cool spring month, with an average temperature ranging between min 38.7°F (3.7°C) and max 54.1°F (12.3°C).Temperature
In Heron Lake, the onset of April comes with an increased average high-temperature, moving from March's cold 40.6°F (4.8°C) to a fresh 54.1°F (12.3°C). During April, Heron Lake sees a mean low-temperature of 38.7°F (3.7°C).Humidity
In April, the average relative humidity in Heron Lake is 70%.Rainfall
In Heron Lake, in April, it is raining for 13.6 days, with typically 2.28" (58mm) of accumulated precipitation. In Heron Lake, during the entire year, the rain falls for 119.4 days and collects up to 21.1" (536mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Heron Lake, Minnesota, in April, during 2.6 snowfall days, 1.97" (50mm) of snow is typically accumulated. Throughout the year, there are 48.3 snowfall days, and 20.08" (510mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 28min.On the first day of April, sunrise is at 7:01 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 8:23 pm CDT.
Sunshine
In April, the average sunshine is 7.7h.UV index
The average daily maximum UV index in April in Heron Lake is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In April, an average UV index of 3 transforms into the following instructions:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Heron Lake, MN
- Average high temperature in April: 54.1°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (21.7°F).
- Average low temperature in April: 38.7°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (8.6°F).
Average pressure in April
Heron Lake, MN
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in April
Heron Lake, MN
- Average wind speed in April: 11.1mph
The windiest months (with the highest average wind speed) are January, February and April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in April
Heron Lake, MN
- Average humidity in April: 70%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (68%).
Average rainfall in April
Heron Lake, MN
- Average rainfall in April: 2.28"
The wettest month (with the highest rainfall) is June (3.23").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in April
Heron Lake, MN
- Average rainfall days in April: 13.6 days
The month with the highest number of rainy days is June (17.2 days).
The months with the least rainy days are January and February (2.3 days).
Average snowfall in April
Heron Lake, MN
- Average snowfall in April: 1.97"
The month with the highest snowfall is February (4.84").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Heron Lake, MN
- Average snowfall days in April: 2.6 days
The month with the highest number of snowfall days is December (11.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Heron Lake, MN
- Average daylight in April: 13h and 30min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in April: 7h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in April
Heron Lake, MN
- Average sunshine days in April: 13.3 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is June (9.9 days).
Average UV index in April
Heron Lake, MN
- Average UV index in April: 3
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February and November (UV index 1).
Average cloud cover in April
Heron Lake, MN
- Average cloud cover in April: 47
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in April
Heron Lake, MN
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
