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 coincides with a rise in the average high-temperature, moving from April's fresh 52.3°F (11.3°C) to a comfortable 64.9°F (18.3°C). May in Bison, South Dakota, generally records an average low-temperature of 46.2°F (7.9°C).Humidity
The average relative humidity in May in Bison, South Dakota, is 62%.Rainfall
In May, in Bison, South Dakota, the rain falls for 13.8 days. Throughout May, 2.2" (56mm) of precipitation is accumulated. Throughout the year, in Bison, there are 101.3 rainfall days, and 14.25" (362mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Bison, South Dakota. May is the last month it regularly snows in Bison. During 1.4 snowfall days, in May, Bison aggregates 1.34" (34mm) of snow. In Bison, during the entire year, snow falls for 65.8 days and aggregates up to 21.42" (544mm) of snow.Daylight
The average length of the day in May in Bison, South Dakota, is 14h and 56min.On the first day of the month, sunrise is at 5:36 am and sunset at 7:57 pm. On the last day of May, sunrise is at 5:04 am and sunset at 8:30 pm MDT.
Sunshine
In Bison, the average sunshine in May is 9.6h.UV index
In Bison, the average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 4 in May translates into these instructions:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Bison in May?
What is the average humidity in May in Bison?
How much does it rain in Bison in May?
What is the last month it snows in Bison?
How many hours of daylight does Bison have in May?
When are sunrise and sunset in May in Bison?
How many hours of sunshine does Bison have in May?
What is the UV index intensity in May in Bison?
Average temperature in May
Bison, SD
- Average high temperature in May: 64.9°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in May: 46.2°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).
Average pressure in May
Bison, SD
- Average pressure in May: 29.92"Hg
The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in May
Bison, SD
- Average wind speed in May: 11mph
The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is August (9.6mph).
Average humidity in May
Bison, SD
- Average humidity in May: 62%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are August and September (51%).
Average rainfall in May
Bison, SD
- Average rainfall in May: 2.2"
The wettest month (with the highest rainfall) is June (2.28").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in May
Bison, SD
- Average rainfall days in May: 13.8 days
The month with the highest number of rainy days is June (15.1 days).
The month with the least rainy days is January (2.9 days).
Average snowfall in May
Bison, SD
- Average snowfall in May: 1.34"
The month with the highest snowfall is February (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Bison, SD
- Average snowfall days in May: 1.4 days
The month with the highest number of snowfall days is February (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Bison, SD
- Average daylight in May: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in May: 9h and 4min
The month with the most sunshine is August (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in May
Bison, SD
- Average sunshine days in May: 13.7 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (11.7 days).
Average UV index in May
Bison, SD
- Average UV index in May: 4
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Bison, SD
- Average cloud cover in May: 36
The months with the most cloud cover are January and February (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 20).
Average visibility in May
Bison, 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).
Bison, South Dakota, USA
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