May weather forecastHosmer, SD
May
Weather in May
The last month of the spring, May, is an enjoyable month in Hosmer, South Dakota, with temperature in the range of an average high of 66.2°F (19°C) and an average low of 47.8°F (8.8°C).Temperature
The start of May signals an increase in the average high-temperature, moving from a cool 54°F (12.2°C) in April to a comfortable 66.2°F (19°C). Throughout May, Hosmer witnesses a consistent average low-temperature of 47.8°F (8.8°C).Humidity
The average relative humidity in May is 64%.Rainfall
In Hosmer, during May, the rain falls for 13.7 days and regularly aggregates up to 2.32" (59mm) of precipitation. In Hosmer, South Dakota, during the entire year, the rain falls for 97.8 days and collects up to 16.65" (423mm) 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, Hosmer aggregates 0.31" (8mm) of snow. Throughout the year, in Hosmer, South Dakota, there are 59.7 snowfall days, and 19.96" (507mm) of snow is accumulated.Daylight
In May, the average length of the day in Hosmer is 14h and 56min.On the first day of May in Hosmer, sunrise is at 6:24 am and sunset at 8:45 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 9:19 pm CDT.
Sunshine
In Hosmer, the average sunshine in May is 9.1h.UV index
The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: A typical high UV index of 5 in May suggests the following recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Hosmer, SD
- Average high temperature in May: 66.2°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (22.6°F).
- Average low temperature in May: 47.8°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (9.1°F).
Average pressure in May
Hosmer, SD
- Average pressure in May: 29.92"Hg
The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in May
Hosmer, SD
- Average wind speed in May: 11mph
The windiest month (with the highest average wind speed) is April (11.8mph).
The calmest month (with the lowest average wind speed) is August (9.7mph).
Average humidity in May
Hosmer, SD
- Average humidity in May: 64%
The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are August and September (56%).
Average rainfall in May
Hosmer, SD
- Average rainfall in May: 2.32"
The wettest month (with the highest rainfall) is June (2.8").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in May
Hosmer, SD
- Average rainfall days in May: 13.7 days
The month with the highest number of rainy days is June (14.4 days).
The month with the least rainy days is February (1.9 days).
Average snowfall in May
Hosmer, SD
- Average snowfall in May: 0.31"
The month with the highest snowfall is February (5.04").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Hosmer, SD
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Hosmer, SD
- Average daylight in May: 14h and 54min
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 6min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in May
Hosmer, SD
- Average sunshine days in May: 14.6 days
The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is June (13.1 days).
Average UV index in May
Hosmer, 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 1).
Average cloud cover in May
Hosmer, SD
- Average cloud cover in May: 38
The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are July and August (Cloud cover 22).
Average visibility in May
Hosmer, 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).





