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
April signals a shift in the average high-temperature, moving from March's wintry 38.1°F (3.4°C) to a fresh 51.6°F (10.9°C). During the month of April, Willow Lake experiences a steady low-temperature average of 35.2°F (1.8°C).Humidity
In April, the average relative humidity is 70%.Rainfall
In April, in Willow Lake, the rain falls for 11.6 days. Throughout April, 1.46" (37mm) of precipitation is accumulated. In Willow Lake, during the entire year, the rain falls for 112.3 days and collects up to 18.78" (477mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In April, it is snowing for 4.8 days. Throughout April, 1.46" (37mm) of snow is accumulated. Throughout the year, there are 64.3 snowfall days, and 17.56" (446mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 31min.On the first day of the month, sunrise is at 7:09 am and sunset at 7:58 pm. On the last day of April, sunrise is at 6:20 am and sunset at 8:34 pm CDT.
Sunshine
In Willow Lake, the average sunshine in April is 7.5h.UV index
In Willow Lake, the average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: An average UV index of 3 in April transforms into this advice:
Take precautions - Protection against skin and eye damage is obliged. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature in Willow Lake?
What is the average humidity in April?
How much does it rain in April?
How many days does it snow in April in Willow Lake?
What is the average length of the day in April?
What time are sunrise and sunset in April?
How long on average sun shines in April in Willow Lake?
What is the UV index intensity in April?
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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