Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
In Union Center, stepping into April brings a gentle temperature nudge, moving slightly up from March's chilly 45°F (7.2°C) to a cool 52.3°F (11.3°C). Union Center records an average low of 35.1°F (1.7°C) throughout the nights in April.Humidity
The average relative humidity in April is 67%.Rainfall
In Union Center, during April, the rain falls for 14.4 days and regularly aggregates up to 2.36" (60mm) of precipitation. In Union Center, during the entire year, the rain falls for 126.3 days and collects up to 16.77" (426mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. The month with the most snowfall in Union Center is April, when snow falls for 6.6 days and typically aggregates up to 8.23" (209mm) of snow.Daylight
The average length of the day in April is 13h and 31min.On the first day of the month, sunrise is at 6:29 am and sunset at 7:18 pm. On the last day of April, sunrise is at 5:41 am and sunset at 7:54 pm MDT.
Sunshine
In Union Center, the average sunshine in April is 9.3h.UV index
The average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 3 in April interprets into the following recommendations:
Act with care - The need to guard against sun damage is communicated. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April?
What is the average humidity in April in Union Center?
How much does it rain in April?
What is the snowiest month?
How much does it snow in April?
What is the average length of the day in April?
When are sunrise and sunset in April?
How long on average sun shines in April in Union Center?
What is the UV index intensity in April?
Average temperature in April
Union Center, 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 December (32.2°F).
- Average low temperature in April: 35.1°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is February (18°F).
Average pressure in April
Union Center, SD
- Average pressure in April: 29.93"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in April
Union Center, SD
- Average wind speed in April: 10.1mph
The windiest month (with the highest average wind speed) is October (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (8.3mph).
Average humidity in April
Union Center, SD
- Average humidity in April: 67%
The month with the highest relative humidity is January (77%).
The months with the lowest relative humidity are August and September (49%).
Average rainfall in April
Union Center, SD
- Average rainfall in April: 2.36"
The wettest month (with the highest rainfall) is May (2.52").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in April
Union Center, SD
- Average rainfall days in April: 14.4 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is December (5.8 days).
Average snowfall in April
Union Center, SD
- Average snowfall in April: 8.23"
The month with the highest snowfall is April (8.23").
The months with the least snowfall are June, July and August (0").
Average snowfall days in April
Union Center, SD
- Average snowfall days in April: 6.6 days
The month with the highest number of snowfall days is February (12.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Union Center, SD
- Average daylight in April: 13h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in April: 9h and 2min
The month with the most sunshine is August (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 54min).
Average sunshine days in April
Union Center, SD
- Average sunshine days in April: 10.3 days
The month with the most sunshine days is November (20 days).
The month with the least sunshine days is May (9.4 days).
Average UV index in April
Union Center, 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 2).
Average cloud cover in April
Union Center, SD
- Average cloud cover in April: 39
The months with the most cloud cover are February and April (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in April
Union Center, 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).
Union Center, South Dakota, USA
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