May weather forecast
Wessington, SD

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Weather in May

May, the last month of the spring in Wessington, is a comfortable month, with temperature in the range of an average high of 66.7°F (19.3°C) and an average low of 48.2°F (9°C).

Temperature

May signals a shift in the average high-temperature, moving from April's cool 54.5°F (12.5°C) to a comfortable 66.7°F (19.3°C). During May, Wessington consistently records a temperature low averaging a chilly 48.2°F (9°C).

Humidity

The average relative humidity in May in Wessington is 68%.

Rainfall

In Wessington, South Dakota, in May, it is raining for 13.6 days, with typically 2.09" (53mm) of accumulated precipitation. In Wessington, during the entire year, the rain falls for 97.3 days and collects up to 16.73" (425mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Wessington. May is the last month it regularly snows. During 0.2 snowfall days, in May, Wessington aggregates 0.04" (1mm) of snow. Throughout the year, in Wessington, there are 47.1 snowfall days, and 16.06" (408mm) of snow is accumulated.

Daylight

In Wessington, South Dakota, the average length of the day in May is 14h and 49min.
On the first day of the month, sunrise is at 6:23 am and sunset at 8:39 pm. On the last day of May, sunrise is at 5:53 am and sunset at 9:11 pm CDT.

Sunshine

In Wessington, the average sunshine in May is 8.9h.

UV index

In Wessington, South Dakota, 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 the ordinary person.
Note: A typical high UV index of 5 in May suggests the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What is the average May temperature in Wessington?

In May, in Wessington, the average high-temperature is 66.7°F (19.3°C), and the average low-temperature is 48.2°F (9°C).

What is the average humidity in May in Wessington?

In May, the average relative humidity in Wessington is 68%.

How many days does it rain in May in Wessington?

In Wessington, during May, the rain falls for 13.6 days and regularly aggregates up to 2.09" (53mm) of precipitation.

What is the last month it snows in Wessington?

May is the last month it regularly snows in Wessington. During 0.2 snowfall days, in May, Wessington aggregates 0.04" (1mm) of snow.

How many hours of daylight does Wessington have in May?

In Wessington, South Dakota, the average day length in May is 14h and 49min.

What time are sunrise and sunset in May in Wessington?

On the first day of May in Wessington, sunrise is at 6:23 am and sunset at 8:39 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 9:11 pm CDT.

How long on average sun shines in May in Wessington?

The average sunshine duration in May is 8.9h.

What is the UV index intensity in May in Wessington?

In Wessington, South Dakota, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Wessington, SD

Average temperature in May - Wessington, SD
  • Average high temperature in May: 66.7°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 (23.4°F).

  • Average low temperature in May: 48.2°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (9.1°F).

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Average pressure in May
Wessington, SD

Average pressure in May - Wessington, SD
  • Average pressure in May: 29.91"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).

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Average wind speed in May
Wessington, SD

Average wind speed in May - Wessington, SD
  • Average wind speed in May: 10.2mph

The windiest month (with the highest average wind speed) is April (11.3mph).
The calmest month (with the lowest average wind speed) is August (8.9mph).

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Average humidity in May
Wessington, SD

Average humidity in May - Wessington, SD
  • Average humidity in May: 68%

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is September (60%).

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Average rainfall in May
Wessington, SD

Average rainfall in May - Wessington, SD
  • Average rainfall in May: 2.09"

The wettest month (with the highest rainfall) is July (3.07").
The driest month (with the least rainfall) is January (0.43").

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Average rainfall days in May
Wessington, SD

Average rainfall days in May - Wessington, SD
  • Average rainfall days in May: 13.6 days

The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is February (1.3 days).

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Average snowfall in May
Wessington, SD

Average snowfall in May - Wessington, SD
  • Average snowfall in May: 0.04"

The month with the highest snowfall is February (4.21").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Wessington, SD

Average snowfall days in May - Wessington, SD
  • Average snowfall days in May: 0.2 days

The months with the highest number of snowfall days are January and February (10.1 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight in May /
Average sunshine in May
Wessington, SD

Average daylight in May / Average sunshine in May - Wessington, SD
  • Average daylight in May: 14h and 5min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in May: 8h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

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Average sunshine days in May
Wessington, SD

Average sunshine days in May - Wessington, SD
  • Average sunshine days in May: 14.8 days

The month with the most sunshine days is November (22.1 days).
The month with the least sunshine days is June (12.4 days).

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Average UV index in May
Wessington, SD

Average UV index in May - Wessington, 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 February (UV index 1).

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Average cloud cover in May
Wessington, SD

Average cloud cover in May - Wessington, SD
  • Average cloud cover in May: 40

The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 24).

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Average visibility in May
Wessington, SD

Average visibility in May - Wessington, 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).

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Wessington, South Dakota, USA

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