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
In Sherman, the average high-temperature in May increases from a fresh 54.5°F (12.5°C) in April to an enjoyable 66.7°F (19.3°C). During the month of May, the temperature falls to an average of 48.9°F (9.4°C).Humidity
In Sherman, the average relative humidity in May is 70%.Rainfall
In Sherman, during May, the rain falls for 15.6 days and regularly aggregates up to 2.8" (71mm) of 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, 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 May, sunrise is at 6:16 am and sunset at 8:29 pm. On the last day of the month, 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 Sherman, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: During May, 5 as the daily maximum UV index converts into the following advice:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Sherman in May?
What is the average humidity in May?
How much does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Sherman have in May?
What is the UV index reading in May?
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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