Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
The arrival of April brings an increase in high-temperatures, moving from a wintry 38.1°F (3.4°C) in March to a fresh 51.6°F (10.9°C). Willow Lake records an average low-temperature of 35.2°F (1.8°C) throughout the month of April.Humidity
The average relative humidity in April is 70%.Rainfall
In Willow Lake, during April, the rain falls for 11.6 days and regularly aggregates up to 1.46" (37mm) of precipitation. Throughout the year, in Willow Lake, there are 112.3 rainfall days, and 18.78" (477mm) of precipitation is accumulated.Snowfall
Months with snowfall in Willow Lake are January through May, October through December. In Willow Lake, in April, during 4.8 snowfall days, 1.46" (37mm) of snow is typically accumulated. Throughout the year, there are 64.3 snowfall days, and 17.56" (446mm) of snow is accumulated.Daylight
In Willow Lake, the average length of the day in April is 13h and 31min.On the first day of April, sunrise is at 7:09 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 8:34 pm CDT.
Sunshine
In April, the average sunshine is 7.5h.UV index
In Willow Lake, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily high UV index of 3 in April translates into this advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Experience reduced UV exposure by about half when donning a wide-brim hat. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Frequently asked questions
What is the usual temperature for Willow Lake in April?
What is the average humidity in April in Willow Lake?
How much does it rain in Willow Lake in April?
How much does it snow in Willow Lake in April?
How many hours of daylight does Willow Lake have in April?
When is the sunrise / sunset in April in Willow Lake?
How many hours of sunshine does Willow Lake have in April?
What is the UV index reading in April in Willow Lake?
Average temperature in April
Willow Lake, SD
- Average high temperature in April: 51.6°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (19.4°F).
- Average low temperature in April: 35.2°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (5.5°F).
Average pressure in April
Willow Lake, SD
- Average pressure in April: 29.95"Hg
The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in April
Willow Lake, SD
- Average wind speed in April: 11.6mph
The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest month (with the lowest average wind speed) is July (8.5mph).
Average humidity in April
Willow Lake, SD
- Average humidity in April: 70%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are September and October (68%).
Average rainfall in April
Willow Lake, SD
- Average rainfall in April: 1.46"
The wettest month (with the highest rainfall) is June (3.19").
The driest months (with the least rainfall) are January and February (0.59").
Average rainfall days in April
Willow Lake, SD
- Average rainfall days in April: 11.6 days
The month with the highest number of rainy days is June (17.2 days).
The month with the least rainy days is February (2.7 days).
Average snowfall in April
Willow Lake, SD
- Average snowfall in April: 1.46"
The months with the highest snowfall are January and December (3.74").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Willow Lake, SD
- Average snowfall days in April: 4.8 days
The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Willow Lake, SD
- Average daylight in April: 13h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in April: 7h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in April
Willow Lake, SD
- Average sunshine days in April: 12.8 days
The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in April
Willow Lake, SD
- 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 and December (UV index 1).
Average cloud cover in April
Willow Lake, SD
- Average cloud cover in April: 48
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in April
Willow Lake, SD
- 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).
Willow Lake, South Dakota, USA
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