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
The start of May is characterized by an increase in the average high-temperature, transitioning from a fresh 52.2°F (11.2°C) in April to a refreshing 65.8°F (18.8°C). In the month of May, the average low-temperature usually rests at a frosty 46.9°F (8.3°C).Humidity
In May, the average relative humidity in Long Lake is 66%.Rainfall
In Long Lake, in May, it is raining for 13.2 days, with typically 2.01" (51mm) of accumulated precipitation. Throughout the year, there are 92.3 rainfall days, and 15.28" (388mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows in Long Lake. During 0.2 snowfall days, in May, Long Lake aggregates 0.04" (1mm) of snow. Throughout the year, there are 54.6 snowfall days, and 15.04" (382mm) of snow is accumulated.Daylight
In Long Lake, the average length of the day in May is 14h and 58min.On the first day of May, sunrise is at 6:22 am and sunset at 8:45 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 9:19 pm CDT.
Sunshine
In May, the average sunshine in Long Lake is 8.9h.UV index
In Long Lake, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The daily high UV index of 5 during May translates into the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Long Lake in May?
What is the average humidity in May in Long Lake?
How much does it rain in Long Lake in May?
What is the last month it snows in Long Lake?
How many hours of daylight does Long Lake have in May?
When are sunrise and sunset in May in Long Lake?
How many hours of sunshine does Long Lake have in May?
What is the UV index intensity in May in Long Lake?
Average temperature in May
Long Lake, SD
- Average high temperature in May: 65.8°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (19.8°F).
- Average low temperature in May: 46.9°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (5.4°F).
Average pressure in May
Long Lake, SD
- Average pressure in May: 29.92"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in May
Long Lake, SD
- Average wind speed in May: 9.8mph
The windiest months (with the highest average wind speed) are April and October (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.2mph).
Average humidity in May
Long Lake, SD
- Average humidity in May: 66%
The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are August and September (61%).
Average rainfall in May
Long Lake, SD
- Average rainfall in May: 2.01"
The wettest month (with the highest rainfall) is June (2.83").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days in May
Long Lake, SD
- Average rainfall days in May: 13.2 days
The month with the highest number of rainy days is June (14.3 days).
The month with the least rainy days is January (1.7 days).
Average snowfall in May
Long Lake, SD
- Average snowfall in May: 0.04"
The months with the highest snowfall are January and December (2.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Long Lake, SD
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is February (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Long Lake, SD
- Average daylight in May: 15h and 0min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in May
Long Lake, SD
- Average sunshine days in May: 14.8 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (13.8 days).
Average UV index in May
Long Lake, 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, November and December (UV index 1).
Average cloud cover in May
Long Lake, SD
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in May
Long Lake, SD
- Average visibility in May: 6mi
The months with the highest visibility are February, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and March (5mi).
Long Lake, South Dakota, USA
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