August weather forecast
Clear Lake, SD

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Weather in August

August, the last month of the summer in Clear Lake, is another warm month, with an average temperature varying between 59.5°F (15.3°C) and 80.1°F (26.7°C).

Temperature

The arrival of August brings an average high-temperature of a still warm 80.1°F (26.7°C), closely following the temperature pattern of July. In Clear Lake, in August, the average low-temperature is a moderate 59.5°F (15.3°C).

Humidity

In August, the average relative humidity in Clear Lake is 72%.

Rainfall

In Clear Lake, in August, during 11.9 rainfall days, 1.5" (38mm) of precipitation is typically accumulated. In Clear Lake, during the entire year, the rain falls for 101.9 days and collects up to 14.61" (371mm) of precipitation.

Snowfall

June through September are months without snowfall in Clear Lake.

Daylight

In August, the average length of the day is 14h and 0min.
On the first day of August in Clear Lake, sunrise is at 6:13 am and sunset at 8:52 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 8:04 pm CDT.

Sunshine

The average sunshine in August in Clear Lake is 10.3h.

UV index

In August, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index of 5 during August translates into these guidelines:
Heed the precautions - Suggestions to avoid sunburn are made. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
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Frequently asked questions

What are August temperatures in Clear Lake?

The high-temperature, in August, in Clear Lake, is 80.1°F (26.7°C), while the low-temperature averages to 59.5°F (15.3°C). In July, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, is estimated at 86°F (30°C).

What is the average humidity in August in Clear Lake?

In Clear Lake, South Dakota, the average relative humidity in August is 72%.

How much does it rain in Clear Lake in August?

In Clear Lake, in August, it is raining for 11.9 days, with typically 1.5" (38mm) of accumulated precipitation.

When it does not snow in Clear Lake?

In Clear Lake, South Dakota, snow does not fall in June through September.

How many hours of daylight does Clear Lake have in August?

The average day length in August in Clear Lake, South Dakota, is 14h and 0min.

When are sunrise and sunset in August in Clear Lake?

On the first day of August, sunrise is at 6:13 am and sunset at 8:52 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 8:04 pm CDT.

How many hours of sunshine does Clear Lake have in August?

The average sunshine duration in August is 10.3h.

How high is the UV index in August in Clear Lake?

In Clear Lake, the average daily maximum UV index in August 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
Clear Lake, SD

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

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (20.5°F).

  • Average low temperature in August: 59.5°F

The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (7.2°F).

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Average pressure in August
Clear Lake, SD

Average pressure in August - Clear Lake, SD
  • Average pressure in August: 29.93"Hg

The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

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Average wind speed in August
Clear Lake, SD

Average wind speed in August - Clear Lake, SD
  • Average wind speed in August: 8.1mph

The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest month (with the lowest average wind speed) is July (8mph).

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Average humidity in August
Clear Lake, SD

Average humidity in August - Clear Lake, SD
  • Average humidity in August: 72%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (67%).

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Average rainfall in August
Clear Lake, SD

Average rainfall in August - Clear Lake, SD
  • Average rainfall in August: 1.5"

The wettest month (with the highest rainfall) is July (2.56").
The driest month (with the least rainfall) is January (0.43").

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Average rainfall days in August
Clear Lake, SD

Average rainfall days in August - Clear Lake, SD
  • Average rainfall days in August: 11.9 days

The month with the highest number of rainy days is June (16.5 days).
The month with the least rainy days is January (1.7 days).

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Average snowfall in August
Clear Lake, SD

Average snowfall in August - Clear Lake, SD
  • Average snowfall in August: 0"

The month with the highest snowfall is February (3.27").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Clear Lake, SD

Average snowfall days in August - Clear Lake, SD
  • Average snowfall days in August: 0 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 August /
Average sunshine in August
Clear Lake, SD

Average daylight in August / Average sunshine in August - Clear Lake, 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: 10h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

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Average sunshine days in August
Clear Lake, SD

Average sunshine days in August - Clear Lake, SD
  • Average sunshine days in August: 16.6 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (11.3 days).

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Average UV index in August
Clear Lake, SD

Average UV index in August - Clear Lake, 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 and November (UV index 1).

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Average cloud cover in August
Clear Lake, SD

Average cloud cover in August - Clear Lake, SD
  • Average cloud cover in August: 26

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 26).

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Average visibility in August
Clear Lake, SD

Average visibility in August - Clear Lake, 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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Clear Lake, South Dakota, USA

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