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 arrival of May brings a change in Wewela's weather, with average high-temperatures moving from April's refreshing 56.7°F (13.7°C) to an enjoyable 67.8°F (19.9°C). In the month of May, Wewela witnesses a consistent average low-temperature of 49.6°F (9.8°C).Humidity
In Wewela, the average relative humidity in May is 65%.Rainfall
In Wewela, in May, it is raining for 14.3 days, with typically 2.6" (66mm) of accumulated precipitation. Throughout the year, there are 103.9 rainfall days, and 16.85" (428mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows in Wewela, South Dakota. During 0.2 snowfall days, in May, Wewela aggregates 0.04" (1mm) of snow. In Wewela, during the entire year, snow falls for 39.7 days and aggregates up to 14.45" (367mm) of snow.Daylight
The average length of the day in May in Wewela is 14h and 41min.On the first day of the month, sunrise is at 6:31 am and sunset at 8:40 pm. On the last day of May, in Wewela, sunrise is at 6:02 am and sunset at 9:11 pm CDT.
Sunshine
In May, the average sunshine in Wewela is 9.4h.UV index
In Wewela, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 5 during May translates into these guidelines:
Be vigilant - Preventing sunburn is recommended. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Frequently asked questions
What is the usual temperature for Wewela in May?
What is the average humidity in May in Wewela?
How much does it rain in Wewela in May?
What is the last month it snows in Wewela?
What is the average length of the day in May in Wewela?
What time are sunrise and sunset in May in Wewela?
How long on average sun shines in May in Wewela?
What is the UV index intensity in May in Wewela?
Average temperature in May
Wewela, SD
- Average high temperature in May: 67.8°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in May: 49.6°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).
Average pressure in May
Wewela, 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 (29.84"Hg).
Average wind speed in May
Wewela, SD
- Average wind speed in May: 11mph
The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest month (with the lowest average wind speed) is August (9.8mph).
Average humidity in May
Wewela, SD
- Average humidity in May: 65%
The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are August and September (57%).
Average rainfall in May
Wewela, SD
- Average rainfall in May: 2.6"
The wettest month (with the highest rainfall) is June (2.8").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in May
Wewela, SD
- Average rainfall days in May: 14.3 days
The month with the highest number of rainy days is June (15.3 days).
The months with the least rainy days are January and February (2.7 days).
Average snowfall in May
Wewela, SD
- Average snowfall in May: 0.04"
The month with the highest snowfall is December (3.19").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Wewela, 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
Wewela, SD
- Average daylight in May: 14h and 4min
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 2min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in May
Wewela, SD
- Average sunshine days in May: 14.5 days
The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is June (11.2 days).
Average UV index in May
Wewela, SD
- Average UV index in May: 5
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
Wewela, SD
- Average cloud cover in May: 36
The month with the most cloud cover is January (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 20).
Average visibility in May
Wewela, 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).
Wewela, South Dakota, USA
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