April weather forecastBox Elder, SD
April
Weather in April
In April, the weather in Box Elder takes on a more distinctive spring character. The chilly winter air makes way for a warmer and more inviting ambiance with the landscape coming alive in an array of blooming flowers and awakening wildlife. The city experiences a marked increase in rainfall, reaching 2.24" (57mm), provoking the essence of a refreshing spring season. The longer days, accompanied by moderate cloud cover, invite outdoor activities and interaction, while the nights carry the subtle coolness of the departing winter. As the month concludes, Box Elder is in full spring effect, heralding the onset of summer.Temperature
April in Box Elder, South Dakota, signifies a subtle uplift in the average high-temperature, adjusting from a frosty 45.5°F (7.5°C) in March to a cool 53.2°F (11.8°C). Box Elder records a steady low-temperature average of 35.4°F (1.9°C) during April.Humidity
In April, the average relative humidity is 66%.Rainfall
In Box Elder, in April, it is raining for 13.7 days, with typically 2.24" (57mm) of accumulated precipitation. Throughout the year, there are 118.8 rainfall days, and 15.39" (391mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. The month with the most snowfall is April, when snow falls for 5.3 days and typically aggregates up to 5.43" (138mm) of snow.Daylight
The average length of the day in April is 13h and 29min.On the first day of the month, sunrise is at 6:31 am and sunset at 7:19 pm. On the last day of April, sunrise is at 5:43 am and sunset at 7:55 pm MDT.
Sunshine
In April, the average sunshine in Box Elder is 9.4h.UV index
In April, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 3 during April translates into these guidelines:
Make use of precautions - Suggestions to resist sunburn are communicated. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Box Elder, SD
- Average high temperature in April: 53.2°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is December (32.5°F).
- Average low temperature in April: 35.4°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is February (17.8°F).
Average pressure in April
Box Elder, SD
- Average pressure in April: 29.93"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in April
Box Elder, SD
- Average wind speed in April: 10.3mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (8.2mph).
Average humidity in April
Box Elder, SD
- Average humidity in April: 66%
The month with the highest relative humidity is January (77%).
The months with the lowest relative humidity are August and September (50%).
Average rainfall in April
Box Elder, SD
- Average rainfall in April: 2.24"
The wettest month (with the highest rainfall) is May (2.28").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in April
Box Elder, SD
- Average rainfall days in April: 13.7 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is December (4.8 days).
Average snowfall in April
Box Elder, SD
- Average snowfall in April: 5.43"
The month with the highest snowfall is April (5.43").
The months with the least snowfall are June, July and August (0").
Average snowfall days in April
Box Elder, SD
- Average snowfall days in April: 5.3 days
The month with the highest number of snowfall days is February (10.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Box Elder, SD
- 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: 8h and 54min).
- Average sunshine in April: 9h and 24min
The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 54min).
Average sunshine days in April
Box Elder, SD
- Average sunshine days in April: 11.5 days
The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (11 days).
Average UV index in April
Box Elder, 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, February, November and December (UV index 2).
Average cloud cover in April
Box Elder, SD
- Average cloud cover in April: 38
The months with the most cloud cover are February and April (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in April
Box Elder, 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).
