May weather forecastBonesteel, SD
May
Weather in May
May, the last month of the spring in Bonesteel, is a pleasant month, with an average temperature varying between 68.5°F (20.3°C) and 50.4°F (10.2°C).Temperature
May signals a shift in the average high-temperature, moving from April's moderate 57.7°F (14.3°C) to an agreeable 68.5°F (20.3°C). Throughout the month of May, the nighttime temperature in Bonesteel, South Dakota, dips to an average of 50.4°F (10.2°C).Humidity
In Bonesteel, the average relative humidity in May is 69%.Rainfall
The month with the most rainfall in Bonesteel is May, when the rain falls for 15.3 days and typically aggregates up to 2.72" (69mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Bonesteel, the average length of the day in May is 14h and 41min.On the first day of the month, sunrise is at 6:28 am and sunset at 8:37 pm. On the last day of May, in Bonesteel, sunrise is at 5:59 am and sunset at 9:08 pm CDT.
Sunshine
The average sunshine in May in Bonesteel is 9h.UV index
In Bonesteel, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high daily UV index of 5 during May translates into the following directions:
Prioritize safety - Suggestions to prevent sun damage are offered. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Bonesteel, SD
- Average high temperature in May: 68.5°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (27.3°F).
- Average low temperature in May: 50.4°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).
Average pressure in May
Bonesteel, SD
- Average pressure in May: 29.91"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
Bonesteel, 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 (8.3mph).
Average humidity in May
Bonesteel, SD
- Average humidity in May: 69%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (62%).
Average rainfall in May
Bonesteel, SD
- Average rainfall in May: 2.72"
The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is February (0.31").
Average rainfall days in May
Bonesteel, SD
- Average rainfall days in May: 15.3 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (2.9 days).
Average snowfall in May
Bonesteel, SD
- Average snowfall in May: 0"
The months with the highest snowfall are January and March (1.93").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Bonesteel, SD
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (8.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Bonesteel, SD
- Average daylight in May: 14h and 42min
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: 9h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in May
Bonesteel, SD
- Average sunshine days in May: 13.3 days
The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in May
Bonesteel, SD
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Bonesteel, SD
- Average cloud cover in May: 39
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 23).
Average visibility in May
Bonesteel, 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).
