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's onset brings a temperature rise, moving from a chilly 46.6°F (8.1°C) in March to a mild 56.7°F (13.7°C). The nighttime temperature in White River, during April, averages of 39.2°F (4°C).Humidity
In White River, the average relative humidity in April is 65%.Rainfall
In White River, in April, it is raining for 11.8 days, with typically 1.77" (45mm) of accumulated precipitation. Throughout the year, there are 103.9 rainfall days, and 16.85" (428mm) of precipitation is accumulated.Snowfall
Months with snowfall in White River are January through May, October through December. In White River, in April, snow falls for 2.8 days, with typically accumulated 1.73" (44mm) of snow. Throughout the year, in White River, there are 39.7 snowfall days, and 14.45" (367mm) of snow is accumulated.Daylight
The average length of the day in April in White River, South Dakota, is 13h and 28min.On the first day of April in White River, sunrise is at 7:22 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 8:44 pm CDT.
Sunshine
In April, the average sunshine is 8h.UV index
The average daily maximum UV index in April in White River is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index, 4 during April, leads to the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. To cut down UV radiation exposure by about half, sport a wide-brim hat. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Frequently asked questions
What is the temperature in April in White River?
What is the average humidity in April in White River?
How much does it rain in White River in April?
How much does it snow in White River in April?
How many hours of daylight does White River have in April?
When is the sunrise / sunset in April in White River?
How many hours of sunshine does White River have in April?
What is the UV index intensity in April in White River?
Average temperature in April
White River, SD
- Average high temperature in April: 56.7°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in April: 39.2°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).
Average pressure in April
White River, SD
- Average pressure in April: 29.93"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in April
White River, SD
- Average wind speed in April: 11.9mph
The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest month (with the lowest average wind speed) is August (9.8mph).
Average humidity in April
White River, SD
- Average humidity in April: 65%
The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are August and September (57%).
Average rainfall in April
White River, SD
- Average rainfall in April: 1.77"
The wettest month (with the highest rainfall) is June (2.8").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in April
White River, SD
- Average rainfall days in April: 11.8 days
The month with the highest number of rainy days is June (15.3 days).
The months with the least rainy days are January and February (2.7 days).
Average snowfall in April
White River, SD
- Average snowfall in April: 1.73"
The month with the highest snowfall is December (3.19").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
White River, SD
- Average snowfall days in April: 2.8 days
The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
White River, SD
- Average daylight in April: 13h and 3min
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: 8h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in April
White River, SD
- Average sunshine days in April: 13.7 days
The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is June (11.2 days).
Average UV index in April
White River, SD
- Average UV index in April: 4
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
White River, SD
- Average cloud cover in April: 42
The month with the most cloud cover is January (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 20).
Average visibility in April
White River, SD
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
White River, South Dakota, USA
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