August weather forecast
Willow Lake, SD

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Weather in August

August, the last month of the summer in Willow Lake, is also a moderately hot month, with an average temperature ranging between min 59°F (15°C) and max 80.1°F (26.7°C).

Temperature

The beginning of August records an average high-temperature of a still moderately hot 80.1°F (26.7°C), almost echoing the conditions of the previous month. Willow Lake experiences an average low-temperature reading of 59°F (15°C) throughout August.

Humidity

In August, the average relative humidity is 69%.

Rainfall

In Willow Lake, in August, it is raining for 12.4 days, with typically 1.81" (46mm) of accumulated precipitation. Throughout the year, there are 112.3 rainfall days, and 18.78" (477mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In August, the average length of the day is 13h and 59min.
On the first day of August, sunrise is at 6:17 am and sunset at 8:55 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 8:08 pm CDT.

Sunshine

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

UV index

In Willow Lake, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index, 5 in August, converts into the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.

Frequently asked questions

What is the temperature in August?

The average high-temperature, in August, in Willow Lake, is 80.1°F (26.7°C), while the average low-temperature is 59°F (15°C). In July, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, is computed to be 84.2°F (29°C).

What is the average humidity in August?

In Willow Lake, the average relative humidity in August is 69%.

How much does it rain in August?

In August, the rain falls for 12.4 days. Throughout August, 1.81" (46mm) of precipitation is accumulated.

When it does not snow?

In Willow Lake, snow does not fall in June through September.

What is the average length of the day in August?

The average day length in August is 13h and 59min.

When are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:17 am and sunset at 8:55 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 8:08 pm CDT.

How long on average sun shines in August?

The average sunshine duration in August is 10.3h.

How high is the UV index in August?

In August, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium hazard to health 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
Willow Lake, SD

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

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (19.4°F).

  • Average low temperature in August: 59°F

The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (5.5°F).

Average pressure in August
Willow Lake, SD

Average pressure in August - Willow Lake, SD
  • Average pressure in August: 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).

Average wind speed in August
Willow Lake, SD

Average wind speed in August - Willow Lake, SD
  • Average wind speed in August: 8.6mph

The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest month (with the lowest average wind speed) is July (8.5mph).

Average humidity in August
Willow Lake, SD

Average humidity in August - Willow Lake, SD
  • Average humidity in August: 69%

The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are September and October (68%).

Average rainfall in August
Willow Lake, SD

Average rainfall in August - Willow Lake, SD
  • Average rainfall in August: 1.81"

The wettest month (with the highest rainfall) is June (3.19").
The driest months (with the least rainfall) are January and February (0.59").

Average rainfall days in August
Willow Lake, SD

Average rainfall days in August - Willow Lake, SD
  • Average rainfall days in August: 12.4 days

The month with the highest number of rainy days is June (17.2 days).
The month with the least rainy days is February (2.7 days).

Average snowfall in August
Willow Lake, SD

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

The months with the highest snowfall are January and December (3.74").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Willow Lake, SD

Average snowfall days in August - Willow Lake, SD
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in August /
Average sunshine in August
Willow Lake, SD

Average daylight in August / Average sunshine in August - Willow 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 42min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

Average sunshine days in August
Willow Lake, SD

Average sunshine days in August - Willow Lake, SD
  • Average sunshine days in August: 15.7 days

The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is June (10.3 days).

Average UV index in August
Willow Lake, SD

Average UV index in August - Willow 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 December (UV index 1).

Average cloud cover in August
Willow Lake, SD

Average cloud cover in August - Willow Lake, SD
  • Average cloud cover in August: 27

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in August
Willow Lake, SD

Average visibility in August - Willow 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).

Willow Lake, South Dakota, USA

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