May weather forecastFreeman, SD
May
Weather in May
May, the last month of the spring in Freeman, is a pleasant month, with an average temperature fluctuating between 68.4°F (20.2°C) and 50.7°F (10.4°C).Temperature
May's onset brings a temperature rise, moving from a moderate 56.7°F (13.7°C) in April to an agreeable 68.4°F (20.2°C). In the month of May, Freeman's average low-temperature falls to a cool 50.7°F (10.4°C).Humidity
In May, the average relative humidity in Freeman is 69%.Rainfall
In Freeman, in May, during 16 rainfall days, 2.6" (66mm) of precipitation is typically accumulated. Throughout the year, in Freeman, there are 111.7 rainfall days, and 17.76" (451mm) of precipitation is accumulated.Snowfall
Months with snowfall in Freeman are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Freeman aggregates 0.12" (3mm) of snow. In Freeman, during the entire year, snow falls for 38.7 days and aggregates up to 12.76" (324mm) of snow.Daylight
The average length of the day in May in Freeman, South Dakota, is 14h and 43min.On the first day of the month, sunrise is at 6:21 am and sunset at 8:32 pm. On the last day of May, sunrise is at 5:52 am and sunset at 9:03 pm CDT.
Sunshine
In May, the average sunshine is 8.7h.UV index
In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 5 during May translates into these guidelines:
Make use of precautions - Shielding skin and eyes from injury is a requirement. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Freeman, SD
- Average high temperature in May: 68.4°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (24.3°F).
- Average low temperature in May: 50.7°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in May
Freeman, 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
Freeman, SD
- Average wind speed in May: 9.7mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.9mph).
Average humidity in May
Freeman, SD
- Average humidity in May: 69%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (66%).
Average rainfall in May
Freeman, SD
- Average rainfall in May: 2.6"
The wettest month (with the highest rainfall) is June (2.91").
The driest months (with the least rainfall) are January, February and November (0.47").
Average rainfall days in May
Freeman, SD
- Average rainfall days in May: 16 days
The months with the highest number of rainy days are May and June (16 days).
The month with the least rainy days is February (2.5 days).
Average snowfall in May
Freeman, SD
- Average snowfall in May: 0.12"
The month with the highest snowfall is February (2.64").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Freeman, SD
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (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
Freeman, SD
- Average daylight in May: 14h and 42min
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 42min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in May
Freeman, SD
- Average sunshine days in May: 13 days
The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is June (11.5 days).
Average UV index in May
Freeman, SD
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in May
Freeman, SD
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in May
Freeman, 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).





