April weather forecastTolstoy, SD
April
Weather in April
April is a cool spring month in Tolstoy, South Dakota, with an average temperature varying between 36.7°F (2.6°C) and 54°F (12.2°C).Temperature
With the onset of April, Tolstoy sees a temperature rise, with the average high-temperature moving from March's icy 39.9°F (4.4°C) to a fresh 54°F (12.2°C). Throughout April, an average low-temperature of 36.7°F (2.6°C) is expected.Humidity
In April, the average relative humidity is 66%.Rainfall
In April, in Tolstoy, the rain falls for 11.1 days. Throughout April, 1.61" (41mm) of precipitation is accumulated. In Tolstoy, during the entire year, the rain falls for 97.8 days and collects up to 16.65" (423mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Tolstoy, South Dakota, in April, during 4.9 snowfall days, 2.64" (67mm) of snow is typically accumulated. In Tolstoy, during the entire year, snow falls for 59.7 days and aggregates up to 19.96" (507mm) of snow.Daylight
The average length of the day in April is 13h and 32min.On the first day of the month, sunrise is at 7:17 am and sunset at 8:06 pm. On the last day of April, in Tolstoy, sunrise is at 6:27 am and sunset at 8:43 pm CDT.
Sunshine
The average sunshine in April in Tolstoy, South Dakota, is 7.6h.UV index
The average daily maximum UV index in April in Tolstoy, South Dakota, is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 3 in April translates into this advice:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Tolstoy, SD
- Average high temperature in April: 54°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (22.6°F).
- Average low temperature in April: 36.7°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (9.1°F).
Average pressure in April
Tolstoy, SD
- Average pressure in April: 29.94"Hg
The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in April
Tolstoy, SD
- Average wind speed in April: 11.8mph
The windiest month (with the highest average wind speed) is April (11.8mph).
The calmest month (with the lowest average wind speed) is August (9.7mph).
Average humidity in April
Tolstoy, SD
- Average humidity in April: 66%
The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are August and September (56%).
Average rainfall in April
Tolstoy, SD
- Average rainfall in April: 1.61"
The wettest month (with the highest rainfall) is June (2.8").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in April
Tolstoy, SD
- Average rainfall days in April: 11.1 days
The month with the highest number of rainy days is June (14.4 days).
The month with the least rainy days is February (1.9 days).
Average snowfall in April
Tolstoy, SD
- Average snowfall in April: 2.64"
The month with the highest snowfall is February (5.04").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Tolstoy, SD
- Average snowfall days in April: 4.9 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Tolstoy, SD
- Average daylight in April: 13h and 30min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in April: 7h and 36min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in April
Tolstoy, SD
- Average sunshine days in April: 13.2 days
The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is June (13.1 days).
Average UV index in April
Tolstoy, 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 1).
Average cloud cover in April
Tolstoy, SD
- Average cloud cover in April: 45
The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are July and August (Cloud cover 22).
Average visibility in April
Tolstoy, SD
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).





