May weather forecast
Vale, SD

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Weather in May

The last month of the spring, May, is an enjoyable month in Vale, South Dakota, with an average temperature varying between 44.6°F (7°C) and 63°F (17.2°C).

Temperature

The commencement of May sees a shift in the average high-temperature, moving from a cool 52.3°F (11.3°C) in April to a comfortable 63°F (17.2°C). Throughout the month of May, the average temperature dips to a chilly 44.6°F (7°C) at night.

Humidity

In May, the average relative humidity in Vale is 65%.

Rainfall

May is the month with the most rainfall in Vale. Rain falls for 17.3 days and accumulates 2.52" (64mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December. May is the last month it regularly snows. During 2.3 snowfall days, in May, Vale aggregates 2.72" (69mm) of snow. Throughout the year, there are 62.1 snowfall days, and 36.26" (921mm) of snow is accumulated.

Daylight

The average length of the day in May is 14h and 50min.
On the first day of the month, sunrise is at 5:42 am and sunset at 7:58 pm. On the last day of May, sunrise is at 5:11 am and sunset at 8:31 pm MDT.

Sunshine

In May, the average sunshine in Vale is 10.1h.

UV index

The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: In May, the UV index of 5 transforms into the following advice:
Take precautions - Protection against sun damage is advised. When the Sun is at its strongest around midday, find shade and limit exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature in Vale?

The average high-temperature and low-temperature in Vale during May are 63°F (17.2°C) and 44.6°F (7°C) respectively.

What is the average humidity in May in Vale?

In May, the average relative humidity in Vale, South Dakota, is 65%.

What is the rainiest month in Vale?

The month with the most rainfall in Vale, South Dakota, is May, when the rain falls for 17.3 days and typically aggregates up to 2.52" (64mm) of precipitation.

How many days does it rain in May in Vale?

In May, in Vale, the rain falls for 17.3 days. Throughout May, 2.52" (64mm) of precipitation is accumulated.

What is the last month it snows in Vale?

May is the last month it regularly snows. During 2.3 snowfall days, in May, Vale aggregates 2.72" (69mm) of snow.

How many hours of daylight does Vale have in May?

In Vale, South Dakota, the average day length in May is 14h and 50min.

When are sunrise and sunset in May in Vale?

In May, on the first day of the month, sunrise is at 5:42 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 5:11 am and sunset at 8:31 pm MDT.

How many hours of sunshine does Vale have in May?

In May, the average sunshine duration in Vale, South Dakota, is 10.1h.

What is the UV index reading in May in Vale?

The average daily maximum UV index in May in Vale, South Dakota, is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to 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
Vale, SD

Average temperature in May - Vale, SD
  • Average high temperature in May: 63°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is December (32.2°F).

  • Average low temperature in May: 44.6°F

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is February (18°F).

Average pressure in May
Vale, SD

Average pressure in May - Vale, SD
  • Average pressure in May: 29.91"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

Average wind speed in May
Vale, SD

Average wind speed in May - Vale, SD
  • Average wind speed in May: 9.6mph

The windiest month (with the highest average wind speed) is October (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (8.3mph).

Average humidity in May
Vale, SD

Average humidity in May - Vale, SD
  • Average humidity in May: 65%

The month with the highest relative humidity is January (77%).
The months with the lowest relative humidity are August and September (49%).

Average rainfall in May
Vale, SD

Average rainfall in May - Vale, SD
  • Average rainfall in May: 2.52"

The wettest month (with the highest rainfall) is May (2.52").
The driest month (with the least rainfall) is January (0.59").

Average rainfall days in May
Vale, SD

Average rainfall days in May - Vale, SD
  • Average rainfall days in May: 17.3 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is December (5.8 days).

Average snowfall in May
Vale, SD

Average snowfall in May - Vale, SD
  • Average snowfall in May: 2.72"

The month with the highest snowfall is April (8.23").
The months with the least snowfall are June, July and August (0").

Average snowfall days in May
Vale, SD

Average snowfall days in May - Vale, SD
  • Average snowfall days in May: 2.3 days

The month with the highest number of snowfall days is February (12.8 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in May / Average sunshine in May - Vale, 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: 10h and 1min

The month with the most sunshine is August (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 54min).

Average sunshine days in May
Vale, SD

Average sunshine days in May - Vale, SD
  • Average sunshine days in May: 9.4 days

The month with the most sunshine days is November (20 days).
The month with the least sunshine days is May (9.4 days).

Average UV index in May
Vale, SD

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

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in May
Vale, SD

Average cloud cover in May - Vale, SD
  • Average cloud cover in May: 33

The months with the most cloud cover are February and April (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 16).

Average visibility in May
Vale, SD

Average visibility in May - Vale, 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).

Vale, South Dakota, USA

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