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
With the onset of May, Gayville sees a temperature rise, with the average high-temperature moving from April's moderate 57.9°F (14.4°C) to a pleasant 69.1°F (20.6°C). An average low-temperature of 50.9°F (10.5°C) is expected during May.Humidity
In Gayville, the average relative humidity in May is 70%.Rainfall
May is the month with the most rainfall in Gayville. Rain falls for 16.9 days and accumulates 3.78" (96mm) of precipitation.Snowfall
Months with snowfall in Gayville are January through May, October through December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Gayville aggregates 0.31" (8mm) of snow. Throughout the year, there are 37.4 snowfall days, and 14.45" (367mm) of snow is accumulated.Daylight
The average length of the day in May is 14h and 40min.On the first day of May in Gayville, sunrise is at 6:21 am and sunset at 8:29 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 9:00 pm CDT.
Sunshine
In Gayville, the average sunshine in May is 8.9h.UV index
In May, the average daily maximum UV index in Gayville is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: An average UV index of 5 in May transforms into this advice:
Ensure safety - Imperative it is to shield skin and eyes from damage. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Gayville in May?
What is the average humidity in May in Gayville?
What is the wettest month in Gayville?
How many days does it rain in May in Gayville?
What is the last month it snows in Gayville?
How many hours of daylight does Gayville have in May?
When are sunrise and sunset in May in Gayville?
How long on average sun shines in May in Gayville?
How high is the UV index in May in Gayville?
Average temperature in May
Gayville, SD
- Average high temperature in May: 69.1°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (26.8°F).
- Average low temperature in May: 50.9°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).
Average pressure in May
Gayville, SD
- Average pressure in May: 29.92"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in May
Gayville, SD
- Average wind speed in May: 9.6mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.9mph).
Average humidity in May
Gayville, SD
- Average humidity in May: 70%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (64%).
Average rainfall in May
Gayville, SD
- Average rainfall in May: 3.78"
The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is February (0.59").
Average rainfall days in May
Gayville, SD
- Average rainfall days in May: 16.9 days
The month with the highest number of rainy days is June (17.4 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in May
Gayville, SD
- Average snowfall in May: 0.31"
The month with the highest snowfall is December (2.95").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Gayville, SD
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Gayville, SD
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in May
Gayville, SD
- Average sunshine days in May: 11.6 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in May
Gayville, SD
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in May
Gayville, SD
- Average cloud cover in May: 40
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in May
Gayville, SD
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Gayville, South Dakota, USA
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