May weather forecastNorth Sioux City, SD
May
Weather in May
May, the last month of the spring in North Sioux City, is an agreeable month, with an average temperature varying between 52.2°F (11.2°C) and 69.4°F (20.8°C).Temperature
As May arrives, a rise in the average high-temperature is observed, moving from a moderate 58.6°F (14.8°C) in April to a pleasant 69.4°F (20.8°C). May in North Sioux City witnesses an average low-temperature hovering around a fresh 52.2°F (11.2°C).Humidity
In North Sioux City, the average relative humidity in May is 70%.Rainfall
The months with the most rainfall in North Sioux City, South Dakota, are May and June, with an average 3.03" (77mm) of precipitation.Snowfall
Months with snowfall in North Sioux City are January through May, October through December. May is the last month it regularly snows in North Sioux City. During 0.2 snowfall days, in May, North Sioux City aggregates 0.04" (1mm) of snow. In North Sioux City, during the entire year, snow falls for 38 days and aggregates up to 13.23" (336mm) of snow.Daylight
In May, the average length of the day is 14h and 38min.On the first day of the month, sunrise is at 6:19 am and sunset at 8:26 pm. On the last day of May, sunrise is at 5:51 am and sunset at 8:56 pm CDT.
Sunshine
In May, the average sunshine is 8.8h.UV index
In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average maximum UV index of 5 in May leads to these recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
North Sioux City, SD
- Average high temperature in May: 69.4°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in May: 52.2°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 (13.1°F).
Average pressure in May
North Sioux City, 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 (29.86"Hg).
Average wind speed in May
North Sioux City, SD
- Average wind speed in May: 9.4mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).
Average humidity in May
North Sioux City, SD
- Average humidity in May: 70%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (65%).
Average rainfall in May
North Sioux City, SD
- Average rainfall in May: 3.03"
The wettest months (with the highest rainfall) are May and June (3.03").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days in May
North Sioux City, SD
- Average rainfall days in May: 16.2 days
The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in May
North Sioux City, SD
- Average snowfall in May: 0.04"
The month with the highest snowfall is January (2.95").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
North Sioux City, SD
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
North Sioux City, SD
- Average daylight in May: 14h and 36min
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: 8h and 48min
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 24min).
Average sunshine days in May
North Sioux City, SD
- Average sunshine days in May: 12.8 days
The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is June (9.7 days).
Average UV index in May
North Sioux City, 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 January (UV index 1).
Average cloud cover in May
North Sioux City, SD
- Average cloud cover in May: 40
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in May
North Sioux City, 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).
