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
May's arrival brings a change in high-temperatures, moving from a fresh 53.6°F (12°C) in April to a comfortable 66.4°F (19.1°C). May nights in Egan observe an average temperature dip to a frosty 48.7°F (9.3°C).Humidity
The average relative humidity in May is 70%.Rainfall
In Egan, in May, it is raining for 15 days, with typically 2.68" (68mm) of accumulated precipitation. Throughout the year, in Egan, there are 113.8 rainfall days, and 20.59" (523mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Egan. May is the last month it regularly snows in Egan. During 0.5 snowfall days, in May, Egan aggregates 0.2" (5mm) of snow. Throughout the year, in Egan, there are 53.1 snowfall days, and 20.04" (509mm) of snow is accumulated.Daylight
In Egan, the average length of the day in May is 14h and 46min.On the first day of the month, sunrise is at 6:16 am and sunset at 8:30 pm. On the last day of May, sunrise is at 5:46 am and sunset at 9:02 pm CDT.
Sunshine
In Egan, South Dakota, the average sunshine in May is 8.7h.UV index
In Egan, South Dakota, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In May, a daily UV index of 5 turns into the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Egan?
What is the average humidity in May in Egan?
How many days does it rain in May in Egan?
What is the last month it snows in Egan?
How many hours of daylight does Egan have in May?
When is the sunrise / sunset in May in Egan?
How long on average sun shines in May in Egan?
How high is the UV index in May in Egan?
Average temperature in May
Egan, SD
- Average high temperature in May: 66.4°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (21.6°F).
- Average low temperature in May: 48.7°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 (7.7°F).
Average pressure in May
Egan, 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
Egan, SD
- Average wind speed in May: 10.1mph
The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest month (with the lowest average wind speed) is July (8.3mph).
Average humidity in May
Egan, 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 (68%).
Average rainfall in May
Egan, SD
- Average rainfall in May: 2.68"
The wettest month (with the highest rainfall) is June (3.15").
The driest months (with the least rainfall) are January and November (0.63").
Average rainfall days in May
Egan, SD
- Average rainfall days in May: 15 days
The month with the highest number of rainy days is June (17.6 days).
The month with the least rainy days is February (2.4 days).
Average snowfall in May
Egan, SD
- Average snowfall in May: 0.2"
The month with the highest snowfall is December (4.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Egan, SD
- Average snowfall days in May: 0.5 days
The month with the highest number of snowfall days is January (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
Egan, 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in May
Egan, SD
- Average sunshine days in May: 14.3 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in May
Egan, 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
Egan, SD
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in May
Egan, 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).
Egan, South Dakota, USA
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