May weather forecastVale, SD
May
Weather in May
The last month of the spring, May, is an enjoyable month in Vale, South Dakota, with an average temperature varying between 44.6°F (7°C) and 63°F (17.2°C).Temperature
The commencement of May sees a shift in the average high-temperature, moving from a cool 52.3°F (11.3°C) in April to a comfortable 63°F (17.2°C). Throughout the month of May, the average temperature dips to a chilly 44.6°F (7°C) at night.Humidity
In May, the average relative humidity in Vale is 65%.Rainfall
May is the month with the most rainfall in Vale. Rain falls for 17.3 days and accumulates 2.52" (64mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. May is the last month it regularly snows. During 2.3 snowfall days, in May, Vale aggregates 2.72" (69mm) of snow. Throughout the year, there are 62.1 snowfall days, and 36.26" (921mm) of snow is accumulated.Daylight
The average length of the day in May is 14h and 50min.On the first day of the month, sunrise is at 5:42 am and sunset at 7:58 pm. On the last day of May, sunrise is at 5:11 am and sunset at 8:31 pm MDT.
Sunshine
In May, the average sunshine in Vale is 10.1h.UV index
The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In May, the UV index of 5 transforms into the following advice:
Take precautions - Protection against sun damage is advised. When the Sun is at its strongest around midday, find shade and limit exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Vale, 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
Vale, 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
Vale, 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
Vale, 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
Vale, 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
Vale, 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
Vale, 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
Vale, 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
Vale, SD
- Average daylight in May: 14h and 48min
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 6min
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
Vale, 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
Vale, 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
Vale, 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
Vale, 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).
