August weather forecast
New Underwood, SD

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Weather in August

The last month of the summer, August, is also a moderately hot month in New Underwood, South Dakota, with an average temperature fluctuating between 61.5°F (16.4°C) and 82.8°F (28.2°C).

Temperature

New Underwood marks the arrival of August with an average high-temperature of a still moderately hot 82.8°F (28.2°C), hardly different from July's 84.7°F (29.3°C). New Underwood, in August, experiences an average temperature of 61.5°F (16.4°C) at night.

Heat index

For most parts of August, the heat index is appraised at 84.2°F (29°C). With extended exposure and activity, one might feel exhausted and experience heat cramps.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', gives a temperature feeling by integrating air temperature and humidity. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.

Humidity

The months with the lowest humidity are August and September, with an average relative humidity of 50%.

Rainfall

In New Underwood, during August, the rain falls for 12.8 days and regularly aggregates up to 1.5" (38mm) of precipitation. In New Underwood, during the entire year, the rain falls for 118.8 days and collects up to 15.39" (391mm) of precipitation.

Snowfall

In New Underwood, snow does not fall in June through August.

Daylight

The average length of the day in August is 13h and 58min.
On the first day of the month, sunrise is at 5:40 am and sunset at 8:15 pm. On the last day of August, in New Underwood, sunrise is at 6:14 am and sunset at 7:28 pm MDT.

Sunshine

With an average of 11.8h of sunshine, August has the most sunshine of the year.

UV index

In August, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.
Note: A maximum daily UV index of 5 during August morphs into the following directions:
Prioritize safety - Suggestions to prevent sun damage are offered. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
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Frequently asked questions

How hot does it get in New Underwood in August?

The high-temperature, in August, in New Underwood, is 82.8°F (28.2°C), while the low-temperature averages to 61.5°F (16.4°C). In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 84.2°F (29°C).

What are the least humid months in New Underwood?

The months with the lowest humidity in New Underwood, South Dakota, are August and September, with an average relative humidity of 50%.

What is the average humidity in August in New Underwood?

The average relative humidity in August in New Underwood is 50%.

How many days does it rain in August in New Underwood?

In New Underwood, South Dakota, during August, the rain falls for 12.8 days and regularly aggregates up to 1.5" (38mm) of precipitation.

When it does not snow in New Underwood?

June through August are months without snowfall in New Underwood.

Does it snow in New Underwood in August?

In New Underwood, in August, it doesn't snow. In September, it regularly snows.

How many hours of daylight does New Underwood have in August?

In August, the average day length is 13h and 58min.

When are sunrise and sunset in August in New Underwood?

On the first day of August, sunrise is at 5:40 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 7:28 pm MDT.

What month has the most sunshine in New Underwood?

With an average of 11.8h of sunshine, August has the most sunshine of the year in New Underwood, South Dakota.

How long on average sun shines in August in New Underwood?

In New Underwood, South Dakota, the average sunshine duration in August is 11.8h.

What is the UV index intensity in August in New Underwood?

The average daily maximum UV index in August in New Underwood is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.
Average humidity
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 August
New Underwood, SD

Average temperature in August - New Underwood, SD
  • Average high temperature in August: 82.8°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 (32.5°F).

  • Average low temperature in August: 61.5°F

The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is February (17.8°F).

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Average pressure in August
New Underwood, SD

Average pressure in August - New Underwood, SD
  • Average pressure in August: 29.9"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).

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Average wind speed in August
New Underwood, SD

Average wind speed in August - New Underwood, SD
  • Average wind speed in August: 8.2mph

The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (8.2mph).

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Average humidity in August
New Underwood, SD

Average humidity in August - New Underwood, SD
  • Average humidity in August: 50%

The month with the highest relative humidity is January (77%).
The months with the lowest relative humidity are August and September (50%).

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Average rainfall in August
New Underwood, SD

Average rainfall in August - New Underwood, SD
  • Average rainfall in August: 1.5"

The wettest month (with the highest rainfall) is May (2.28").
The driest month (with the least rainfall) is January (0.43").

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Average rainfall days in August
New Underwood, SD

Average rainfall days in August - New Underwood, SD
  • Average rainfall days in August: 12.8 days

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is December (4.8 days).

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Average snowfall in August
New Underwood, SD

Average snowfall in August - New Underwood, SD
  • Average snowfall in August: 0"

The month with the highest snowfall is April (5.43").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in August
New Underwood, SD

Average snowfall days in August - New Underwood, SD
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (10.5 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight in August /
Average sunshine in August
New Underwood, SD

Average daylight in August / Average sunshine in August - New Underwood, SD
  • Average daylight in August: 14h and 0min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in August: 11h and 5min

The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 54min).

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Average sunshine days in August
New Underwood, SD

Average sunshine days in August - New Underwood, SD
  • Average sunshine days in August: 14.5 days

The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (11 days).

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Average UV index in August
New Underwood, SD

Average UV index in August - New Underwood, SD
  • Average UV index in August: 5

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

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Average cloud cover in August
New Underwood, SD

Average cloud cover in August - New Underwood, SD
  • Average cloud cover in August: 16

The months with the most cloud cover are February and April (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 16).

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Average visibility in August
New Underwood, SD

Average visibility in August - New Underwood, SD
  • Average visibility in August: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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New Underwood, South Dakota, USA

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