May weather forecastTwin Brooks, SD
May
Weather in May
The last month of the spring, May, is a refreshing month in Twin Brooks, South Dakota, with an average temperature ranging between min 48°F (8.9°C) and max 66°F (18.9°C).Temperature
With the onset of May, Twin Brooks sees a temperature rise, with the average high-temperature moving from April's cool 52.5°F (11.4°C) to a comfortable 66°F (18.9°C). Twin Brooks observes an average low-temperature of 48°F (8.9°C) during May.Humidity
In May, the average relative humidity in Twin Brooks is 69%.Rainfall
In Twin Brooks, South Dakota, during May, the rain falls for 15.5 days and regularly aggregates up to 2.56" (65mm) of precipitation. In Twin Brooks, during the entire year, the rain falls for 115.2 days and collects up to 19.88" (505mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Twin Brooks aggregates 0.08" (2mm) of snow. Throughout the year, there are 58.8 snowfall days, and 20.39" (518mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 54min.On the first day of the month, sunrise is at 6:14 am and sunset at 8:33 pm. On the last day of May, in Twin Brooks, sunrise is at 5:42 am and sunset at 9:07 pm CDT.
Sunshine
In May, the average sunshine in Twin Brooks is 8.9h.UV index
In May, the average daily maximum UV index in Twin Brooks is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily high UV index of 5 in May leads to these guidelines:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Twin Brooks, 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
Twin Brooks, 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
Twin Brooks, 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
Twin Brooks, 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
Twin Brooks, 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
Twin Brooks, 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
Twin Brooks, 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
Twin Brooks, 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
Twin Brooks, 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
Twin Brooks, 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
Twin Brooks, 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
Twin Brooks, 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
Twin Brooks, 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).
