May weather forecastWilmot, SD
May
Weather in May
The last month of the spring, May, is a refreshing month in Wilmot, South Dakota, with temperature in the range of an average low of 48°F (8.9°C) and an average high of 66°F (18.9°C).Temperature
In May, the meteorological conditions change with the average high-temperature moving from a cool 52.5°F (11.4°C) in April to a comfortable 66°F (18.9°C). In the month of May, the temperature in Wilmot generally rests at an average low of 48°F (8.9°C).Humidity
In May, the average relative humidity is 69%.Rainfall
In Wilmot, South Dakota, during May, the rain falls for 15.5 days and regularly aggregates up to 2.56" (65mm) of precipitation. In Wilmot, during the entire year, the rain falls for 115.2 days and collects up to 19.88" (505mm) of precipitation.Snowfall
Months with snowfall in Wilmot are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Wilmot aggregates 0.08" (2mm) of snow. Throughout the year, in Wilmot, there are 58.8 snowfall days, and 20.39" (518mm) of snow is accumulated.Daylight
In May, the average length of the day in Wilmot is 14h and 55min.On the first day of May in Wilmot, sunrise is at 6:14 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 9:08 pm CDT.
Sunshine
In Wilmot, South Dakota, the average sunshine in May is 8.9h.UV index
The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 5 in May converts into the following recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Wilmot, SD
- Average high temperature in May: 66°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (19.6°F).
- Average low temperature in May: 48°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (6.1°F).
Average pressure in May
Wilmot, SD
- Average pressure in May: 29.93"Hg
The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in May
Wilmot, SD
- Average wind speed in May: 9.7mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is July (8mph).
Average humidity in May
Wilmot, SD
- Average humidity in May: 69%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (66%).
Average rainfall in May
Wilmot, SD
- Average rainfall in May: 2.56"
The wettest month (with the highest rainfall) is June (3.11").
The driest months (with the least rainfall) are January and February (0.63").
Average rainfall days in May
Wilmot, SD
- Average rainfall days in May: 15.5 days
The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in May
Wilmot, SD
- Average snowfall in May: 0.08"
The month with the highest snowfall is December (4.49").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Wilmot, SD
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (13.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Wilmot, SD
- Average daylight in May: 14h and 54min
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 May: 8h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in May
Wilmot, SD
- Average sunshine days in May: 13.5 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is June (9.6 days).
Average UV index in May
Wilmot, SD
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in May
Wilmot, SD
- Average cloud cover in May: 40
The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are July and August (Cloud cover 25).
Average visibility in May
Wilmot, 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).





