May weather forecastTuthill, SD
May
Weather in May
The last month of the spring, May, is a refreshing month in Tuthill, South Dakota, with temperature in the range of an average high of 65.1°F (18.4°C) and an average low of 47.1°F (8.4°C).Temperature
With the onset of May, the average high-temperature slightly shifts from April's mild 55.4°F (13°C) to an enjoyable 65.1°F (18.4°C). Throughout the month of May, the average temperature dips to a chilly 47.1°F (8.4°C) at night.Humidity
In May, the average relative humidity is 62%.Rainfall
May is the month with the most rainfall in Tuthill. Rain falls for 15 days and accumulates 2.4" (61mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. May is the last month it regularly snows. During 1.6 snowfall days, in May, Tuthill aggregates 2.17" (55mm) of snow. Throughout the year, there are 47.3 snowfall days, and 19.76" (502mm) of snow is accumulated.Daylight
The average length of the day in May is 14h and 41min.On the first day of May, sunrise is at 5:38 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 5:09 am and sunset at 8:18 pm MDT.
Sunshine
In May, the average sunshine is 9.9h.UV index
In Tuthill, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The daily maximum UV index of 5 in May interprets into the following advice:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Tuthill, SD
- Average high temperature in May: 65.1°F
The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is December (32°F).
- Average low temperature in May: 47.1°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in May
Tuthill, SD
- Average pressure in May: 29.91"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in May
Tuthill, SD
- Average wind speed in May: 11.9mph
The windiest month (with the highest average wind speed) is April (12.9mph).
The calmest month (with the lowest average wind speed) is August (10.4mph).
Average humidity in May
Tuthill, SD
- Average humidity in May: 62%
The month with the highest relative humidity is January (79%).
The months with the lowest relative humidity are August and September (51%).
Average rainfall in May
Tuthill, SD
- Average rainfall in May: 2.4"
The wettest month (with the highest rainfall) is May (2.4").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in May
Tuthill, SD
- Average rainfall days in May: 15 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is December (2.8 days).
Average snowfall in May
Tuthill, SD
- Average snowfall in May: 2.17"
The month with the highest snowfall is March (3.58").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Tuthill, SD
- Average snowfall days in May: 1.6 days
The month with the highest number of snowfall days is February (10.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Tuthill, SD
- Average daylight in May: 14h and 42min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in May: 9h and 54min
The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 30min).
Average sunshine days in May
Tuthill, SD
- Average sunshine days in May: 13 days
The month with the most sunshine days is December (21 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in May
Tuthill, SD
- Average UV index in May: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Tuthill, SD
- Average cloud cover in May: 35
The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in May
Tuthill, SD
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
