April weather forecastBlack Horse, SD
April
Weather in April
April in Black Horse, South Dakota, is a fresh spring month, with an average temperature ranging between min 35.2°F (1.8°C) and max 52.3°F (11.3°C).Temperature
Black Horse's transition into April sees a rise in the average high-temperature, advancing from a cold 41.4°F (5.2°C) in March to a cool 52.3°F (11.3°C). Black Horse, during the month of April, experiences an average low-temperature of 35.2°F (1.8°C).Humidity
The average relative humidity in April is 64%.Rainfall
In Black Horse, in April, it is raining for 11.9 days, with typically 1.38" (35mm) of accumulated precipitation. Throughout the year, in Black Horse, there are 101.3 rainfall days, and 14.25" (362mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Black Horse, in April, snow falls for 5.8 days, with typically accumulated 3.15" (80mm) of snow. Throughout the year, there are 65.8 snowfall days, and 21.42" (544mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 34min.On the first day of April, sunrise is at 6:23 am and sunset at 7:14 pm. On the last day of the month, sunrise is at 5:33 am and sunset at 7:52 pm MDT.
Sunshine
The average sunshine in April is 8.5h.UV index
In April, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: An average maximum UV index of 3 in April leads to these recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Black Horse, SD
- Average high temperature in April: 52.3°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in April: 35.2°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).
Average pressure in April
Black Horse, SD
- Average pressure in April: 29.95"Hg
The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in April
Black Horse, SD
- Average wind speed in April: 11.7mph
The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is August (9.6mph).
Average humidity in April
Black Horse, SD
- Average humidity in April: 64%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are August and September (51%).
Average rainfall in April
Black Horse, SD
- Average rainfall in April: 1.38"
The wettest month (with the highest rainfall) is June (2.28").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in April
Black Horse, SD
- Average rainfall days in April: 11.9 days
The month with the highest number of rainy days is June (15.1 days).
The month with the least rainy days is January (2.9 days).
Average snowfall in April
Black Horse, SD
- Average snowfall in April: 3.15"
The month with the highest snowfall is February (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Black Horse, SD
- Average snowfall days in April: 5.8 days
The month with the highest number of snowfall days is February (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Black Horse, SD
- Average daylight in April: 13h and 36min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in April: 8h and 30min
The month with the most sunshine is August (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in April
Black Horse, SD
- Average sunshine days in April: 12.3 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (11.7 days).
Average UV index in April
Black Horse, SD
- Average UV index in April: 3
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
Black Horse, SD
- Average cloud cover in April: 44
The months with the most cloud cover are January and February (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 20).
Average visibility in April
Black Horse, 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).





