April weather forecastOkreek, SD
April
Weather in April
April is a moderate spring month in Okreek, South Dakota, with an average temperature varying between 56.7°F (13.7°C) and 39.2°F (4°C).Temperature
The commencement of April sees a shift in the average high-temperature, moving from a frosty 46.6°F (8.1°C) in March to a moderate 56.7°F (13.7°C). Okreek records an average low of 39.2°F (4°C) throughout the nights in April.Humidity
The average relative humidity in April is 65%.Rainfall
In Okreek, during April, the rain falls for 11.8 days and regularly aggregates up to 1.77" (45mm) of precipitation. Throughout the year, there are 103.9 rainfall days, and 16.85" (428mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Okreek, in April, during 2.8 snowfall days, 1.73" (44mm) of snow is typically accumulated. In Okreek, during the entire year, snow falls for 39.7 days and aggregates up to 14.45" (367mm) of snow.Daylight
The average length of the day in April is 13h and 27min.On the first day of the month, sunrise is at 7:21 am and sunset at 8:08 pm. On the last day of April, sunrise is at 6:34 am and sunset at 8:42 pm CDT.
Sunshine
In Okreek, South Dakota, the average sunshine in April is 8h.UV index
In April, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index, 4 during April, leads to the following recommendations:
Take precautions - Protection against sun damage is advised. The Sun's radiation is especially intense around midday; try to stay in shade during this period. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Okreek, SD
- Average high temperature in April: 56.7°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in April: 39.2°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).
Average pressure in April
Okreek, 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 (29.84"Hg).
Average wind speed in April
Okreek, SD
- Average wind speed in April: 11.9mph
The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest month (with the lowest average wind speed) is August (9.8mph).
Average humidity in April
Okreek, SD
- Average humidity in April: 65%
The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are August and September (57%).
Average rainfall in April
Okreek, SD
- Average rainfall in April: 1.77"
The wettest month (with the highest rainfall) is June (2.8").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in April
Okreek, SD
- Average rainfall days in April: 11.8 days
The month with the highest number of rainy days is June (15.3 days).
The months with the least rainy days are January and February (2.7 days).
Average snowfall in April
Okreek, SD
- Average snowfall in April: 1.73"
The month with the highest snowfall is December (3.19").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Okreek, SD
- Average snowfall days in April: 2.8 days
The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Okreek, SD
- Average daylight in April: 13h and 24min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in April: 8h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in April
Okreek, SD
- Average sunshine days in April: 13.7 days
The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is June (11.2 days).
Average UV index in April
Okreek, SD
- Average UV index in April: 4
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
Okreek, SD
- Average cloud cover in April: 42
The month with the most cloud cover is January (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 20).
Average visibility in April
Okreek, 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).
