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
The commencement of May sees a shift in the average high-temperature, moving from a refreshing 56.7°F (13.7°C) in April to a pleasant 68.4°F (20.2°C). The temperature dips to an average of 50.7°F (10.4°C) during May nights.Humidity
In May, the average relative humidity in Marion is 69%.Rainfall
In Marion, in May, it is raining for 16 days, with typically 2.6" (66mm) of accumulated precipitation. Throughout the year, in Marion, there are 111.7 rainfall days, and 17.76" (451mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Marion. May is the last month it regularly snows. During 0.3 snowfall days, in May, Marion aggregates 0.12" (3mm) of snow. In Marion, South Dakota, during the entire year, snow falls for 38.7 days and aggregates up to 12.76" (324mm) of snow.Daylight
In Marion, the average length of the day in May is 14h and 43min.On the first day of May in Marion, sunrise is at 6:20 am and sunset at 8:31 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 9:02 pm CDT.
Sunshine
The average sunshine in May is 8.7h.UV index
The average daily maximum UV index in May in Marion is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: In May, a daily UV index of 5 turns into the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. When the Sun is at its strongest around midday, find shade and limit exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Frequently asked questions
What is the usual temperature for Marion in May?
What is the average humidity in May in Marion?
How much does it rain in Marion in May?
What is the last month it snows in Marion?
How many hours of daylight does Marion have in May?
When are sunrise and sunset in May in Marion?
How many hours of sunshine does Marion have in May?
What is the UV index reading in May in Marion?
Average temperature in May
Marion, 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
Marion, 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
Marion, 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
Marion, 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
Marion, 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
Marion, 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
Marion, 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
Marion, 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
Marion, SD
- Average daylight in May: 14h and 4min
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 4min
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
Marion, 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
Marion, 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
Marion, 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
Marion, 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).
Marion, South Dakota, USA
Weather forecast for your location
2. Allow the app to use your location
