May weather forecastChancellor, SD
May
Weather in May
The last month of the spring, May, is a pleasant month in Chancellor, South Dakota, with an average temperature ranging between max 68.4°F (20.2°C) and min 50.7°F (10.4°C).Temperature
May sees a rise in the average high-temperature, climbing from a moderate 56.7°F (13.7°C) in April to a pleasant 68.4°F (20.2°C). During May, the average low-temperature in Chancellor is a fresh 50.7°F (10.4°C).Humidity
In Chancellor, the average relative humidity in May is 69%.Rainfall
In Chancellor, in May, during 16 rainfall days, 2.6" (66mm) of precipitation is typically accumulated. In Chancellor, during the entire year, the rain falls for 111.7 days and collects up to 17.76" (451mm) 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, Chancellor aggregates 0.12" (3mm) of snow. Throughout the year, in Chancellor, there are 38.7 snowfall days, and 12.76" (324mm) of snow is accumulated.Daylight
In May, the average length of the day in Chancellor is 14h and 43min.On the first day of May in Chancellor, South Dakota, sunrise is at 6:19 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 9:01 pm CDT.
Sunshine
In May, the average sunshine in Chancellor, South Dakota, is 8.7h.UV index
In Chancellor, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 5 during May leads to these instructions:
Be vigilant - Preventing sunburn is recommended. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Chancellor, 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
Chancellor, 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
Chancellor, 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
Chancellor, 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
Chancellor, 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
Chancellor, 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
Chancellor, 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
Chancellor, 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
Chancellor, 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
Chancellor, 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
Chancellor, 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
Chancellor, 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
Chancellor, 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).





