April weather forecastKeldron, SD
April
Weather in April
April in Keldron, South Dakota, is a fresh spring month, with an average temperature fluctuating between 35.2°F (1.8°C) and 52.3°F (11.3°C).Temperature
As March transitions into April, a change in temperatures is observed, with average highs moving from a cold 41.4°F (5.2°C) to a cool 52.3°F (11.3°C). During the month of April, the nighttime temperature falls to an average of 35.2°F (1.8°C).Humidity
The average relative humidity in April is 64%.Rainfall
In Keldron, in April, during 11.9 rainfall days, 1.38" (35mm) of precipitation is typically accumulated. Throughout the year, there are 101.3 rainfall days, and 14.25" (362mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Keldron, in April, during 5.8 snowfall days, 3.15" (80mm) of snow is typically accumulated. Throughout the year, there are 65.8 snowfall days, and 21.42" (544mm) of snow is accumulated.Daylight
In Keldron, the average length of the day in April is 13h and 35min.On the first day of the month, sunrise is at 6:25 am and sunset at 7:16 pm. On the last day of April, sunrise is at 5:34 am and sunset at 7:54 pm MDT.
Sunshine
In April, the average sunshine in Keldron is 8.5h.UV index
In Keldron, South Dakota, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: In April, an average UV index of 3 transforms into the following instructions:
Act with care - The need to guard against sun damage is communicated. It's recommended to limit sun exposure when its radiation is at its peak during midday. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Keldron, SD
- Average high temperature in April: 52.3°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 (25.2°F).
- Average low temperature in April: 35.2°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 (11.7°F).
Average pressure in April
Keldron, SD
- Average pressure in April: 29.95"Hg
The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in April
Keldron, SD
- Average wind speed in April: 11.7mph
The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is August (9.6mph).
Average humidity in April
Keldron, SD
- Average humidity in April: 64%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are August and September (51%).
Average rainfall in April
Keldron, SD
- Average rainfall in April: 1.38"
The wettest month (with the highest rainfall) is June (2.28").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in April
Keldron, SD
- Average rainfall days in April: 11.9 days
The month with the highest number of rainy days is June (15.1 days).
The month with the least rainy days is January (2.9 days).
Average snowfall in April
Keldron, SD
- Average snowfall in April: 3.15"
The month with the highest snowfall is February (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Keldron, SD
- Average snowfall days in April: 5.8 days
The month with the highest number of snowfall days is February (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Keldron, 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: 8h and 30min
The month with the most sunshine is August (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in April
Keldron, SD
- Average sunshine days in April: 12.3 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (11.7 days).
Average UV index in April
Keldron, SD
- Average UV index in April: 3
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Keldron, SD
- Average cloud cover in April: 44
The months with the most cloud cover are January and February (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 20).
Average visibility in April
Keldron, 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).





