May weather forecast
Barnard, SD

May

Weather in May

The last month of the spring, May, is a refreshing month in Barnard, South Dakota, with an average temperature varying between 8.3°C and 18.8°C.

Temperature

With the beginning of May, Barnard's average high-temperature sees an increase, transitioning from a fresh 11.2°C in April to an enjoyable 18.8°C. In the month of May, Barnard experiences an average low-temperature of 8.3°C.

Humidity

In May, the average relative humidity is 66%.

Rainfall

In Barnard, in May, it is raining for 13.2 days, with typically 51mm of accumulated precipitation. In Barnard, during the entire year, the rain falls for 92.3 days and collects up to 388mm of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.2 snowfall days, in May, Barnard aggregates 1mm of snow. In Barnard, during the entire year, snow falls for 54.6 days and aggregates up to 382mm of snow.

Daylight

In Barnard, the average length of the day in May is 14h and 57min.
On the first day of the month, sunrise is at 6:20 am and sunset at 8:41 pm. On the last day of May, sunrise is at 5:47 am and sunset at 9:15 pm CDT.

Sunshine

The average sunshine in May is 8.9h.

UV index

The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A daily high UV index of 5 in May leads to these guidelines:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.

Frequently asked questions

What is the usual temperature for Barnard in May?
The average high-temperature and low-temperature during May are 18.8°C and 8.3°C respectively.
What is the average humidity in May?
The average relative humidity in May is 66%.
How many days does it rain in May?
In Barnard, during May, the rain falls for 13.2 days and regularly aggregates up to 51mm of precipitation.
What is the last month it snows?
May is the last month it regularly snows. During 0.2 snowfall days, in May, Barnard aggregates 1mm of snow.
How many hours of daylight does Barnard have in May?
The average day length in May in Barnard is 14h and 57min.
When is the sunrise / sunset in May?
In May, on the first day of the month, sunrise is at 6:20 am and sunset at 8:41 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 9:15 pm CDT.
How long on average sun shines in May?
In May, the average sunshine duration is 8.9h.
What is the UV index intensity in May?
The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in May - Barnard, SD
Average temperature in May
Barnard, SD
  • Average high temperature in May: 18.8°C

The warmest month (with the highest average high temperature) is July (28.3°C).
The month with the lowest average high temperature is January (-6.8°C).

  • Average low temperature in May: 8.3°C

The month with the highest average low temperature is July (16.5°C).
The coldest month (with the lowest average low temperature) is January (-14.8°C).

Average pressure in May - Barnard, SD
Average pressure in May
Barnard, SD
  • Average pressure in May: 1013.3mbar

The month with the highest atmospheric pressure is February (1021.8mbar).
The month with the lowest atmospheric pressure is June (1010.8mbar).

Average wind speed in May - Barnard, SD
Average wind speed in May
Barnard, SD
  • Average wind speed in May: 15.8km/h

The windiest month (with the highest average wind speed) is October (17.3km/h).
The calmest month (with the lowest average wind speed) is August (13.2km/h).

Average humidity in May - Barnard, SD
Average humidity in May
Barnard, SD
  • Average humidity in May: 66%

The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are August and September (61%).

Average rainfall in May - Barnard, SD
Average rainfall in May
Barnard, SD
  • Average rainfall in May: 51mm

The wettest month (with the highest rainfall) is June (72mm).
The driest month (with the least rainfall) is January (10mm).

Average rainfall days in May - Barnard, SD
Average rainfall days in May
Barnard, SD
  • Average rainfall days in May: 13.2 days

The month with the highest number of rainy days is June (14.3 days).
The month with the least rainy days is January (1.7 days).

Average snowfall in May - Barnard, SD
Average snowfall in May
Barnard, SD
  • Average snowfall in May: 1mm

The months with the highest snowfall are January and December (70mm).
The months with the least snowfall are June, July, August and September (0mm).

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

The month with the highest number of snowfall days is February (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May / Average sunshine in May - Barnard, SD
Average daylight in May /
Average sunshine in May
Barnard, SD
  • Average daylight in May: 15h and 0min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • 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: 3h and 48min).

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

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (13.8 days).

Average UV index in May - Barnard, SD
Average UV index in May
Barnard, 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, November and December (UV index 1).

Average cloud cover in May - Barnard, SD
Average cloud cover in May
Barnard, SD
  • Average cloud cover in May: 41

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 24).

Average visibility in May - Barnard, SD
Average visibility in May
Barnard, SD
  • Average visibility in May: 9km

The months with the highest visibility are September and October (10km).
The months with the lowest visibility are January and March (8km).

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