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
De Smet's transition into May is marked by a rise in the average high-temperature, advancing from a moderate 55.9°F (13.3°C) in April to a still refreshing 67.6°F (19.8°C). Throughout May, De Smet's nights cool down to an average of 48.9°F (9.4°C).Humidity
The average relative humidity in May is 68%.Rainfall
In De Smet, during May, the rain falls for 13.6 days and regularly aggregates up to 2.36" (60mm) of precipitation. In De Smet, during the entire year, the rain falls for 101.8 days and collects up to 18.19" (462mm) of precipitation.Snowfall
May through September are months without snowfall in De Smet.Daylight
The average length of the day in May is 14h and 49min.On the first day of the month, sunrise is at 6:19 am and sunset at 8:34 pm. On the last day of May, in De Smet, sunrise is at 5:48 am and sunset at 9:07 pm CDT.
Sunshine
In May, the average sunshine is 9.1h.UV index
In De Smet, South Dakota, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.Note: A maximum daily UV index of 5 during May morphs into the following directions:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for De Smet in May?
What is the average humidity in May in De Smet?
How much does it rain in De Smet in May?
When it does not snow in De Smet?
Does it snow in De Smet in May?
How many hours of daylight does De Smet have in May?
When is the sunrise / sunset in May in De Smet?
How many hours of sunshine does De Smet have in May?
What is the UV index reading in May in De Smet?
Average temperature in May
De Smet, SD
- Average high temperature in May: 67.6°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (23.2°F).
- Average low temperature in May: 48.9°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (8.2°F).
Average pressure in May
De Smet, 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 (29.84"Hg).
Average wind speed in May
De Smet, SD
- Average wind speed in May: 9.8mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest months (with the lowest average wind speed) are July and August (8.6mph).
Average humidity in May
De Smet, SD
- Average humidity in May: 68%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is September (62%).
Average rainfall in May
De Smet, SD
- Average rainfall in May: 2.36"
The wettest month (with the highest rainfall) is June (2.8").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in May
De Smet, SD
- Average rainfall days in May: 13.6 days
The month with the highest number of rainy days is June (15.2 days).
The month with the least rainy days is February (1.8 days).
Average snowfall in May
De Smet, SD
- Average snowfall in May: 0"
The month with the highest snowfall is February (3.54").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
De Smet, SD
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is December (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
De Smet, SD
- Average daylight in May: 14h and 5min
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: 9h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in May
De Smet, SD
- Average sunshine days in May: 14.6 days
The month with the most sunshine days is November (21.8 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in May
De Smet, 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 and November (UV index 1).
Average cloud cover in May
De Smet, SD
- Average cloud cover in May: 38
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 22).
Average visibility in May
De Smet, 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).
De Smet, South Dakota, USA
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