Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
May's onset witnesses a shift in the average high-temperature, moving from a cool 52.3°F (11.3°C) in April to an enjoyable 63°F (17.2°C). During May, an average low-temperature of 44.6°F (7°C) is observed in Union Center.Humidity
The average relative humidity in May is 65%.Rainfall
The month with the most rainfall is May, when the rain falls for 17.3 days and typically aggregates up to 2.52" (64mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. May is the last month it regularly snows in Union Center. During 2.3 snowfall days, in May, Union Center aggregates 2.72" (69mm) of snow. Throughout the year, in Union Center, there are 62.1 snowfall days, and 36.26" (921mm) of snow is accumulated.Daylight
In Union Center, the average length of the day in May is 14h and 50min.On the first day of the month, sunrise is at 5:39 am and sunset at 7:55 pm. On the last day of May, in Union Center, sunrise is at 5:08 am and sunset at 8:28 pm MDT.
Sunshine
In Union Center, South Dakota, the average sunshine in May is 10.1h.UV index
In Union Center, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index, 5 in May, converts into the following recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Opt for tightly woven and loose clothing to enhance protection from the Sun. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Frequently asked questions
What is the usual temperature for Union Center in May?
What is the average humidity in May in Union Center?
What is the rainiest month in Union Center?
How much does it rain in Union Center in May?
What is the last month it snows in Union Center?
What is the average length of the day in May in Union Center?
When is the sunrise / sunset in May in Union Center?
How many hours of sunshine does Union Center have in May?
How high is the UV index in May in Union Center?
Average temperature in May
Union Center, SD
- Average high temperature in May: 63°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 May: 44.6°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 May
Union Center, SD
- Average pressure in May: 29.91"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 May
Union Center, SD
- Average wind speed in May: 9.6mph
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 May
Union Center, SD
- Average humidity in May: 65%
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 May
Union Center, SD
- Average rainfall in May: 2.52"
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 May
Union Center, SD
- Average rainfall days in May: 17.3 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 May
Union Center, SD
- Average snowfall in May: 2.72"
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 May
Union Center, SD
- Average snowfall days in May: 2.3 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 May /
Average sunshine in May
Union Center, SD
- Average daylight in May: 14h and 5min
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 May: 10h and 1min
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 May
Union Center, SD
- Average sunshine days in May: 9.4 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 May
Union Center, SD
- Average UV index in May: 5
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 May
Union Center, SD
- Average cloud cover in May: 33
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 May
Union Center, SD
- Average visibility in May: 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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