April weather forecastRudolph, SD
April
Weather in April
April is a fresh spring month in Rudolph, South Dakota, with an average temperature varying between 36.9°F (2.7°C) and 54.1°F (12.3°C).Temperature
The onset of April brings a distinct rise in the average high-temperature, advancing from a wintry 39.7°F (4.3°C) in March to a cool 54.1°F (12.3°C). An average low-temperature of 36.9°F (2.7°C) is common during the nights of April.Humidity
The average relative humidity in April is 67%.Rainfall
In Rudolph, during April, the rain falls for 10.2 days and regularly aggregates up to 1.65" (42mm) of precipitation. In Rudolph, during the entire year, the rain falls for 97.2 days and collects up to 18.35" (466mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In April, it is snowing for 3.3 days. Throughout April, 2.32" (59mm) of snow is accumulated. In Rudolph, during the entire year, snow falls for 54.8 days and aggregates up to 19.13" (486mm) of snow.Daylight
In April, the average length of the day is 13h and 33min.On the first day of the month, sunrise is at 7:12 am and sunset at 8:02 pm. On the last day of April, sunrise is at 6:22 am and sunset at 8:39 pm CDT.
Sunshine
In Rudolph, the average sunshine in April is 7.7h.UV index
In April, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: A typical high UV index of 3 in April suggests the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Rudolph, SD
- Average high temperature in April: 54.1°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 (20.7°F).
- Average low temperature in April: 36.9°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 (6.3°F).
Average pressure in April
Rudolph, SD
- Average pressure in April: 29.95"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
Rudolph, SD
- Average wind speed in April: 10.6mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).
Average humidity in April
Rudolph, SD
- Average humidity in April: 67%
The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are August and September (60%).
Average rainfall in April
Rudolph, SD
- Average rainfall in April: 1.65"
The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in April
Rudolph, SD
- Average rainfall days in April: 10.2 days
The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is February (2 days).
Average snowfall in April
Rudolph, SD
- Average snowfall in April: 2.32"
The month with the highest snowfall is January (3.82").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Rudolph, SD
- Average snowfall days in April: 3.3 days
The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Rudolph, 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 42min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in April
Rudolph, SD
- Average sunshine days in April: 15.5 days
The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is June (12.7 days).
Average UV index in April
Rudolph, 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 and November (UV index 1).
Average cloud cover in April
Rudolph, SD
- Average cloud cover in April: 46
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are July and August (Cloud cover 23).
Average visibility in April
Rudolph, 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).





