August weather forecast
Lead, SD

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Weather in August

In August, Lead is engulfed by summer's warm embrace. While temperatures drop a notch from July's peak, the weather remains warmer than the subsequent month of September. The month sees a decrease in rainfall, with a drop of 0.19" (5mm) from the previous month, marking a period of relative dryness. Days are still pleasantly long, with plenty of sunshine to bask in. The sultry days and cool nights personify the splendor of summer in August.

Temperature

Shifting into August, Lead records an average high-temperature of a still moderately hot 80.1°F (26.7°C), presenting minor fluctuations compared to the previous month. Nightfall in August introduces a considerable dip in temperature, settling at an average of 58.5°F (14.7°C).

Humidity

August and September, with an average relative humidity of 51%, are the least humid months.

Rainfall

In Lead, during August, the rain falls for 12.2 days and regularly aggregates up to 1.5" (38mm) of precipitation. Throughout the year, in Lead, there are 96.1 rainfall days, and 14.02" (356mm) of precipitation is accumulated.

Snowfall

In Lead, snow does not fall in July and August.

Daylight

In August, the average length of the day in Lead is 13h and 58min.
On the first day of the month, sunrise is at 5:43 am and sunset at 8:19 pm. On the last day of August, in Lead, sunrise is at 6:17 am and sunset at 7:32 pm MDT.

Sunshine

The month with the most sunshine is August, with an average of 11.7h of sunshine.

UV index

In Lead, the average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.
Note: A daily high UV index of 5 in August leads to these guidelines:
Exercise prevention - Precautions against solar damage are endorsed. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
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Frequently asked questions

What is the usual temperature for Lead in August?

The high-temperature during August is 80.1°F (26.7°C) and the low-temperature is 58.5°F (14.7°C). In July, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is computed to be 82.4°F (28°C).

What is the least humid month in Lead?

The months with the lowest humidity are August and September, with an average relative humidity of 51%.

What is the average humidity in August in Lead?

In Lead, the average relative humidity in August is 51%.

How much does it rain in Lead in August?

In Lead, during August, the rain falls for 12.2 days and regularly aggregates up to 1.5" (38mm) of precipitation.

When it does not snow in Lead?

In Lead, snow does not fall in July and August.

Does it snow in Lead in August?

In Lead, South Dakota, in August, it doesn't snow. In September, it regularly snows.

What is the average length of the day in August in Lead?

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

When are sunrise and sunset in August in Lead?

On the first day of August in Lead, sunrise is at 5:43 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 7:32 pm MDT.

What month has the most sunshine in Lead?

August has the most sunshine of the year, with an average of 11.7h of sunshine.

How long on average sun shines in August in Lead?

In Lead, the average sunshine duration in August is 11.7h.

How high is the UV index in August in Lead?

In August, the average daily maximum UV index in Lead is 5. A UV Index reading of 3 to 5 represents a medium health risk 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
Lead, SD

Average temperature in August - Lead, SD
  • Average high temperature in August: 80.1°F

The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is December (29.7°F).

  • Average low temperature in August: 58.5°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is February (15.4°F).

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Average pressure in August
Lead, SD

Average pressure in August - Lead, SD
  • Average pressure in August: 29.89"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
Lead, SD

Average wind speed in August - Lead, SD
  • Average wind speed in August: 7.6mph

The windiest month (with the highest average wind speed) is October (9.9mph).
The calmest month (with the lowest average wind speed) is August (7.6mph).

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Average humidity in August
Lead, SD

Average humidity in August - Lead, SD
  • Average humidity in August: 51%

The months with the highest relative humidity are January and February (79%).
The months with the lowest relative humidity are August and September (51%).

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Average rainfall in August
Lead, SD

Average rainfall in August - Lead, SD
  • Average rainfall in August: 1.5"

The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is January (0.55").

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Average rainfall days in August
Lead, SD

Average rainfall days in August - Lead, SD
  • Average rainfall days in August: 12.2 days

The month with the highest number of rainy days is June (14.2 days).
The month with the least rainy days is November (2.7 days).

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Average snowfall in August
Lead, SD

Average snowfall in August - Lead, SD
  • Average snowfall in August: 0"

The month with the highest snowfall is April (6.54").
The months with the least snowfall are July and August (0").

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Average snowfall days in August
Lead, SD

Average snowfall days in August - Lead, SD
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are July and August (0 days).

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Average daylight in August /
Average sunshine in August
Lead, SD

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

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 August: 11h and 4min

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).

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Average sunshine days in August
Lead, SD

Average sunshine days in August - Lead, SD
  • Average sunshine days in August: 13.2 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is June (12.3 days).

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Average UV index in August
Lead, SD

Average UV index in August - Lead, SD
  • Average UV index in August: 5

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

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Average cloud cover in August
Lead, SD

Average cloud cover in August - Lead, SD
  • Average cloud cover in August: 16

The months with the most cloud cover are February and April (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 16).

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Average visibility in August
Lead, SD

Average visibility in August - Lead, SD
  • Average visibility in August: 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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Lead, South Dakota, USA

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