May weather forecast
Madison, SD

Weather in May

The last month of the spring, May, is an enjoyable month in Madison, South Dakota, with an average temperature ranging between max 66.4°F (19.1°C) and min 48.7°F (9.3°C).

Temperature

In May, the average high-temperature increases from a fresh 54.1°F (12.3°C) in April to a comfortable 66.4°F (19.1°C). In May, in Madison, the average low-temperature is 48.7°F (9.3°C).

Humidity

In Madison, the average relative humidity in May is 70%.

Rainfall

In Madison, during May, the rain falls for 16.3 days and regularly aggregates up to 2.95" (75mm) of precipitation. In Madison, during the entire year, the rain falls for 111.2 days and collects up to 21.14" (537mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows in Madison. During 0.4 snowfall days, Madison aggregates 0.35" (9mm) of snow. Throughout the year, there are 49.4 snowfall days, and 20.04" (509mm) of snow is accumulated.

Daylight

In May, the average length of the day in Madison is 14h and 46min.
On the first day of May, sunrise is at 6:19 am and sunset at 8:31 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 9:03 pm CDT.

Sunshine

In Madison, the average sunshine in May is 8.6h.

UV index

In Madison, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: In May, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in May in Madison?

In May, the average relative humidity in Madison, South Dakota, is 70%.

How many days does it rain in May in Madison?

In Madison, South Dakota, in May, during 16.3 rainfall days, 2.95" (75mm) of precipitation is typically accumulated.

What is the last month it snows in Madison?

May is the last month it regularly snows in Madison, South Dakota. During 0.4 snowfall days, in May, Madison aggregates 0.35" (9mm) of snow.

How many hours of daylight does Madison have in May?

In Madison, the average day length in May is 14h and 46min.

When are sunrise and sunset in May in Madison?

In May, on the first day of the month, sunrise is at 6:19 am and sunset at 8:31 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 9:03 pm CDT.

How many hours of sunshine does Madison have in May?

In Madison, the average sunshine duration in May is 8.6h.

What is the UV index reading in May in Madison?

In Madison, South Dakota, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.

Average temperature in May
Madison, SD

Average temperature in May - Madison, SD
  • Average high temperature in May: 66.4°F

The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (22.3°F).

  • Average low temperature in May: 48.7°F

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (8.1°F).

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Average pressure in May
Madison, SD

Average pressure in May - Madison, 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 (29.85"Hg).

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Average wind speed in May
Madison, SD

Average wind speed in May - Madison, SD
  • Average wind speed in May: 10.1mph

The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest months (with the lowest average wind speed) are July and August (8.6mph).

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Average humidity in May
Madison, SD

Average humidity in May - Madison, SD
  • Average humidity in May: 70%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is October (67%).

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Average rainfall in May
Madison, SD

Average rainfall in May - Madison, SD
  • Average rainfall in May: 2.95"

The wettest month (with the highest rainfall) is June (3.23").
The driest month (with the least rainfall) is November (0.59").

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Average rainfall days in May
Madison, SD

Average rainfall days in May - Madison, SD
  • Average rainfall days in May: 16.3 days

The month with the highest number of rainy days is June (18.7 days).
The month with the least rainy days is January (1.6 days).

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Average snowfall in May
Madison, SD

Average snowfall in May - Madison, SD
  • Average snowfall in May: 0.35"

The month with the highest snowfall is February (4.76").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Madison, SD

Average snowfall days in May - Madison, SD
  • Average snowfall days in May: 0.4 days

The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Madison, SD
  • Average daylight in May: 14h and 46min

The month with the longest days is June (Average daylight: 15h and 26min).
The month with the shortest days is December (Average daylight: 8h and 58min).

  • Average sunshine in May: 8.6h

The month with the most sunshine is July (Average sunshine: 10.6h).
The month with the least sunshine is January (Average sunshine: 3.8h).

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Average sunshine days in May
Madison, SD

Average sunshine days in May - Madison, SD
  • Average sunshine days in May: 13.1 days

The month with the most sunshine days is November (22.4 days).
The month with the least sunshine days is June (9.5 days).

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Average UV index in May
Madison, SD

Average UV index in May - Madison, SD
  • Average UV index in May: 5

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in May
Madison, SD

Average cloud cover in May - Madison, SD
  • Average cloud cover in May: 42

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is July (Cloud cover 28).

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Average visibility in May
Madison, SD

Average visibility in May - Madison, 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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