April weather forecastLong Lake, SD
April
Weather in April
April is a cool spring month in Long Lake, South Dakota, with an average temperature varying between 35.2°F (1.8°C) and 52.2°F (11.2°C).Temperature
The onset of April witnesses a clear shift in the average high-temperature, escalating from a cold 37.6°F (3.1°C) in March to a cool 52.2°F (11.2°C). April witnesses an average nighttime temperature of 35.2°F (1.8°C).Humidity
The average relative humidity in April is 68%.Rainfall
In Long Lake, in April, during 10.2 rainfall days, 1.38" (35mm) of precipitation is typically accumulated. Throughout the year, in Long Lake, there are 92.3 rainfall days, and 15.28" (388mm) of precipitation is accumulated.Snowfall
Months with snowfall in Long Lake, South Dakota, are January through May, October through December. In Long Lake, in April, snow falls for 3.4 days, with typically accumulated 1.81" (46mm) of snow. In Long Lake, during the entire year, snow falls for 54.6 days and aggregates up to 15.04" (382mm) of snow.Daylight
In April, the average length of the day is 13h and 35min.On the first day of April in Long Lake, sunrise is at 7:15 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 6:24 am and sunset at 8:43 pm CDT.
Sunshine
In Long Lake, the average sunshine in April is 7.4h.UV index
In Long 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 the ordinary person.Note: A maximum high daily UV index of 3 during April translates into the following directions:
Put precautions into practice - Protective measures against sun-induced damage are advised. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Long Lake, SD
- Average high temperature in April: 52.2°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (19.8°F).
- Average low temperature in April: 35.2°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (5.4°F).
Average pressure in April
Long Lake, SD
- Average pressure in April: 29.96"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in April
Long Lake, SD
- Average wind speed in April: 10.7mph
The windiest months (with the highest average wind speed) are April and October (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.2mph).
Average humidity in April
Long Lake, SD
- Average humidity in April: 68%
The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are August and September (61%).
Average rainfall in April
Long Lake, SD
- Average rainfall in April: 1.38"
The wettest month (with the highest rainfall) is June (2.83").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days in April
Long Lake, SD
- Average rainfall days in April: 10.2 days
The month with the highest number of rainy days is June (14.3 days).
The month with the least rainy days is January (1.7 days).
Average snowfall in April
Long Lake, SD
- Average snowfall in April: 1.81"
The months with the highest snowfall are January and December (2.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Long Lake, SD
- Average snowfall days in April: 3.4 days
The month with the highest number of snowfall days is February (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Long Lake, 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 42min).
- Average sunshine in April: 7h and 24min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in April
Long Lake, SD
- Average sunshine days in April: 15.5 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (13.8 days).
Average UV index in April
Long 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, November and December (UV index 1).
Average cloud cover in April
Long Lake, SD
- Average cloud cover in April: 48
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in April
Long Lake, SD
- Average visibility in April: 6mi
The months with the highest visibility are February, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and March (5mi).





