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
Sherman in May sees a temperature change, with average high-temperatures moving from a cool 54.5°F (12.5°C) in April to a comfortable 66.7°F (19.3°C). May witnesses an average nighttime temperature of 48.9°F (9.4°C) in Sherman, South Dakota.Humidity
In May, the average relative humidity is 70%.Rainfall
In Sherman, in May, it is raining for 15.6 days, with typically 2.8" (71mm) of accumulated precipitation. Throughout the year, there are 116.4 rainfall days, and 21.38" (543mm) of precipitation is accumulated.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, Sherman aggregates 0.28" (7mm) of snow. Throughout the year, in Sherman, there are 45.6 snowfall days, and 19.49" (495mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 45min.On the first day of the month, sunrise is at 6:16 am and sunset at 8:29 pm. On the last day of May, in Sherman, sunrise is at 5:46 am and sunset at 9:00 pm CDT.
Sunshine
The average sunshine in May is 8.8h.UV index
In May, the average daily maximum UV index in Sherman is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum UV index of 5 in May translates into the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Frequently asked questions
What are the temperatures in Sherman in May?
What is the average humidity in May in Sherman?
How much does it rain in Sherman in May?
What is the last month it snows in Sherman?
How many hours of daylight does Sherman have in May?
What time are sunrise and sunset in May in Sherman?
How many hours of sunshine does Sherman have in May?
What is the UV index reading in May in Sherman?
Average temperature in May
Sherman, SD
- Average high temperature in May: 66.7°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (22.3°F).
- Average low temperature in May: 48.9°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (8.2°F).
Average pressure in May
Sherman, SD
- Average pressure in May: 29.92"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
Sherman, SD
- Average wind speed in May: 9.9mph
The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest month (with the lowest average wind speed) is July (8.2mph).
Average humidity in May
Sherman, SD
- Average humidity in May: 70%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (67%).
Average rainfall in May
Sherman, SD
- Average rainfall in May: 2.8"
The wettest month (with the highest rainfall) is June (3.27").
The driest month (with the least rainfall) is January (0.63").
Average rainfall days in May
Sherman, SD
- Average rainfall days in May: 15.6 days
The month with the highest number of rainy days is June (17.4 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in May
Sherman, SD
- Average snowfall in May: 0.28"
The month with the highest snowfall is February (4.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Sherman, SD
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is December (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Sherman, SD
- Average daylight in May: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in May
Sherman, SD
- Average sunshine days in May: 14.4 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is June (10.6 days).
Average UV index in May
Sherman, SD
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
Sherman, SD
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in May
Sherman, 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).
Sherman, South Dakota, USA
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