May weather forecast
Howard, SD

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Weather in May

The last month of the spring, May, is a refreshing month in Howard, South Dakota, with an average temperature fluctuating between 66.4°F (19.1°C) and 48.7°F (9.3°C).

Temperature

Howard, South Dakota, sees an increase in the average high-temperature with the arrival of May, moving from April's fresh 54.1°F (12.3°C) to a refreshing 66.4°F (19.1°C). Throughout May, a steady low-temperature average of 48.7°F (9.3°C) is noted.

Humidity

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

Rainfall

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

Snowfall

Months with snowfall in Howard are January through May, October through December. May is the last month it regularly snows in Howard. During 0.4 snowfall days, in May, Howard 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 is 14h and 46min.
On the first day of the month, sunrise is at 6:20 am and sunset at 8:33 pm. On the last day of May, in Howard, sunrise is at 5:50 am and sunset at 9:05 pm CDT.

Sunshine

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

UV index

In Howard, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: The UV index of 5 during May leads to these advisories:
Take necessary precautions - Defending against sun damage is advocated. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
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Frequently asked questions

What is the temperature in May in Howard?

In Howard, in May, the average high-temperature is 66.4°F (19.1°C), and the average low-temperature is 48.7°F (9.3°C).

What is the average humidity in May in Howard?

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

How many days does it rain in May in Howard?

In Howard, South Dakota, in May, it is raining for 16.3 days, with typically 2.95" (75mm) of accumulated precipitation.

What is the last month it snows in Howard?

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

What is the average length of the day in May in Howard?

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

When is the sunrise / sunset in May in Howard?

On the first day of May in Howard, South Dakota, sunrise is at 6:20 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 9:05 pm CDT.

How many hours of sunshine does Howard have in May?

The average sunshine duration in May in Howard, South Dakota, is 8.6h.

What is the UV index intensity in May in Howard?

In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to Sun's UV rays.
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
Howard, SD

Average temperature in May - Howard, 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
Howard, SD

Average pressure in May - Howard, 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
Howard, SD

Average wind speed in May - Howard, 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
Howard, SD

Average humidity in May - Howard, 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
Howard, SD

Average rainfall in May - Howard, 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
Howard, SD

Average rainfall days in May - Howard, 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
Howard, SD

Average snowfall in May - Howard, 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
Howard, SD

Average snowfall days in May - Howard, 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
Howard, SD

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

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in May: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

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Average sunshine days in May
Howard, SD

Average sunshine days in May - Howard, 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
Howard, SD

Average UV index in May - Howard, 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
Howard, SD

Average cloud cover in May - Howard, 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
Howard, SD

Average visibility in May - Howard, 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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Howard, South Dakota, USA

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