May weather forecastClear Lake, SD
May
Weather in May
May, the last month of the spring in Clear Lake, is a comfortable month, with an average temperature fluctuating between 66.4°F (19.1°C) and 48.6°F (9.2°C).Temperature
May comes with an increase, with the average high-temperature moving from a fresh 53.2°F (11.8°C) in April to an enjoyable 66.4°F (19.1°C). An average minimum temperature of 48.6°F (9.2°C) is recorded during the month of May.Humidity
In May, the average relative humidity is 69%.Rainfall
In Clear Lake, in May, during 14.3 rainfall days, 1.89" (48mm) of precipitation is typically accumulated. In Clear Lake, during the entire year, the rain falls for 101.9 days and collects up to 14.61" (371mm) of precipitation.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, Clear Lake aggregates 0.12" (3mm) of snow. Throughout the year, there are 49.9 snowfall days, and 14.02" (356mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 51min.On the first day of the month, sunrise is at 6:15 am and sunset at 8:32 pm. On the last day of May, sunrise is at 5:44 am and sunset at 9:04 pm CDT.
Sunshine
The average sunshine in May is 8.9h.UV index
The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In May, the maximum UV index of 5 suggests this advice:
Guard yourself - Precautionary measures against sun damage are advocated. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Clear Lake, 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 (20.5°F).
- Average low temperature in May: 48.6°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (7.2°F).
Average pressure in May
Clear Lake, SD
- Average pressure in May: 29.93"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
Clear Lake, SD
- Average wind speed in May: 9.7mph
The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest month (with the lowest average wind speed) is July (8mph).
Average humidity in May
Clear Lake, SD
- Average humidity in May: 69%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (67%).
Average rainfall in May
Clear Lake, SD
- Average rainfall in May: 1.89"
The wettest month (with the highest rainfall) is July (2.56").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in May
Clear Lake, SD
- Average rainfall days in May: 14.3 days
The month with the highest number of rainy days is June (16.5 days).
The month with the least rainy days is January (1.7 days).
Average snowfall in May
Clear Lake, SD
- Average snowfall in May: 0.12"
The month with the highest snowfall is February (3.27").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Clear Lake, SD
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Clear Lake, SD
- Average daylight in May: 14h and 48min
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: 8h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in May
Clear 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 (11.3 days).
Average UV index in May
Clear 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 and November (UV index 1).
Average cloud cover in May
Clear Lake, SD
- Average cloud cover in May: 40
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in May
Clear Lake, 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).
