April weather forecastWhite Horse, SD
April
Weather in April
April in White Horse, South Dakota, is a moderate spring month, with an average temperature varying between 56.1°F (13.4°C) and 38.8°F (3.8°C).Temperature
April comes with a subtle rise, with the average high-temperature adjusting from a frosty 47.8°F (8.8°C) in March to a refreshing 56.1°F (13.4°C). An average low-temperature of 38.8°F (3.8°C) marks the nights in White Horse throughout April.Humidity
The average relative humidity in April is 63%.Rainfall
In White Horse, in April, it is raining for 11.3 days, with typically 1.93" (49mm) of accumulated precipitation. In White Horse, South Dakota, during the entire year, the rain falls for 109.2 days and collects up to 16.89" (429mm) of precipitation.Snowfall
Months with snowfall in White Horse are January through May, September through December. In White Horse, during April, snow falls for 2.6 days and regularly aggregates up to 1.38" (35mm) of snow. In White Horse, during the entire year, snow falls for 41.1 days and aggregates up to 14.53" (369mm) of snow.Daylight
In White Horse, the average length of the day in April is 13h and 27min.On the first day of the month, sunrise is at 7:22 am and sunset at 8:09 pm. On the last day of April, sunrise is at 6:35 am and sunset at 8:43 pm CDT.
Sunshine
In White Horse, the average sunshine in April is 8h.UV index
The average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 3 during April leads to these advisories:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
White Horse, SD
- Average high temperature in April: 56.1°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in April: 38.8°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in April
White Horse, SD
- Average pressure in April: 29.92"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in April
White Horse, SD
- Average wind speed in April: 13.1mph
The windiest month (with the highest average wind speed) is April (13.1mph).
The calmest months (with the lowest average wind speed) are July and August (10.6mph).
Average humidity in April
White Horse, SD
- Average humidity in April: 63%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is September (56%).
Average rainfall in April
White Horse, SD
- Average rainfall in April: 1.93"
The wettest month (with the highest rainfall) is May (2.6").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in April
White Horse, SD
- Average rainfall days in April: 11.3 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (2.4 days).
Average snowfall in April
White Horse, SD
- Average snowfall in April: 1.38"
The month with the highest snowfall is December (2.76").
The months with the least snowfall are June, July and August (0").
Average snowfall days in April
White Horse, SD
- Average snowfall days in April: 2.6 days
The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
White Horse, SD
- Average daylight in April: 13h and 24min
The month with the longest days is June (Average daylight: 15h and 18min).
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 12min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in April
White Horse, SD
- Average sunshine days in April: 13.8 days
The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is June (11.2 days).
Average UV index in April
White Horse, SD
- Average UV index in April: 3
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
White Horse, SD
- Average cloud cover in April: 41
The month with the most cloud cover is February (Cloud cover 44).
The months with the least cloud cover are July, August and September (Cloud cover 21).
Average visibility in April
White 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).
