April weather forecastAlcester, SD
April
Weather in April
April in Alcester, South Dakota, is a moderate spring month, with an average temperature ranging between max 57.2°F (14°C) and min 40.1°F (4.5°C).Temperature
The onset of April brings a rise in the average high-temperature, elevating from a chilly 45.1°F (7.3°C) in March to a mild 57.2°F (14°C). Alcester records a steady low-temperature average of 40.1°F (4.5°C) during April.Humidity
In Alcester, the average relative humidity in April is 67%.Rainfall
In Alcester, in April, during 10.9 rainfall days, 1.34" (34mm) of precipitation is typically accumulated. In Alcester, during the entire year, the rain falls for 97.4 days and collects up to 11.89" (302mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Alcester. In Alcester, during April, snow falls for 1.6 days and regularly aggregates up to 0.55" (14mm) of snow. Throughout the year, in Alcester, there are 31.8 snowfall days, and 7.76" (197mm) of snow is accumulated.Daylight
The average length of the day in April in Alcester, South Dakota, is 13h and 26min.On the first day of the month, sunrise is at 7:06 am and sunset at 7:53 pm. On the last day of April, sunrise is at 6:20 am and sunset at 8:26 pm CDT.
Sunshine
The average sunshine in April is 8.1h.UV index
In April, the average daily maximum UV index in Alcester is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: A daily maximum UV index of 4 in April translates into the following instructions:
Heed the precautions - It is counselled to guard against solar damage. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Boost your sun resistance with garments that are densely woven yet spacious. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Alcester, SD
- Average high temperature in April: 57.2°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in April: 40.1°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (11.5°F).
Average pressure in April
Alcester, SD
- Average pressure in April: 29.93"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in April
Alcester, SD
- Average wind speed in April: 11.1mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in April
Alcester, SD
- Average humidity in April: 67%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (66%).
Average rainfall in April
Alcester, SD
- Average rainfall in April: 1.34"
The wettest month (with the highest rainfall) is June (2.05").
The driest months (with the least rainfall) are February and November (0.31").
Average rainfall days in April
Alcester, SD
- Average rainfall days in April: 10.9 days
The month with the highest number of rainy days is June (14.6 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in April
Alcester, SD
- Average snowfall in April: 0.55"
The month with the highest snowfall is March (1.61").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Alcester, SD
- Average snowfall days in April: 1.6 days
The month with the highest number of snowfall days is January (8.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Alcester, 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 6min).
- Average sunshine in April: 8h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in April
Alcester, SD
- Average sunshine days in April: 16.3 days
The month with the most sunshine days is December (23.9 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in April
Alcester, SD
- Average UV index in April: 4
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
Alcester, SD
- Average cloud cover in April: 44
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in April
Alcester, 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).





