August weather forecast
Vilas, SD

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Weather in August

The last month of the summer, August, is another warm month in Vilas, South Dakota, with temperature in the range of an average high of 81°F (27.2°C) and an average low of 59.4°F (15.2°C).

Temperature

The transition from July to August brings an average high-temperature of a still warm 81°F (27.2°C), barely different from July's 82.2°F (27.9°C). Nighttime temperatures exhibit a substantial dip from daytime highs during August, averaging at a moderate 59.4°F (15.2°C).

Heat index

The heat index in August is evaluated at 84.2°F (29°C). Enduring exposure and unrelenting activity might cause a state of weariness, potentially leading to heat cramps.
Evaluating the heat index requires understanding its values in the shade and with gentle winds. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', ties air temperature with relative humidity to produce the perceived temperature sensation. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are highly critical for babies and toddlers. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.

Humidity

In August, the average relative humidity is 71%.

Rainfall

In August, the rain falls for 12.3 days. Throughout August, 2.2" (56mm) of precipitation is accumulated. Throughout the year, there are 111.2 rainfall days, and 21.14" (537mm) of precipitation is accumulated.

Snowfall

In Vilas, snow does not fall in June through September.

Daylight

In Vilas, the average length of the day in August is 13h and 57min.
On the first day of the month, sunrise is at 6:19 am and sunset at 8:53 pm. On the last day of August, sunrise is at 6:53 am and sunset at 8:07 pm CDT.

Sunshine

The average sunshine in August is 10h.

UV index

In Vilas, 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:
Take necessary precautions - Suggestions to elude sunburn are provided. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Enhance your sun protection with tightly woven, yet airy clothing.
Updated: Jun 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average August temperature?

An average high-temperature, in August, in Vilas, is 81°F (27.2°C) and the average low-temperature is 59.4°F (15.2°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is evaluated at 84.2°F (29°C).

What is the average humidity in August?

The average relative humidity in August is 71%.

How many days does it rain in August?

In Vilas, during August, the rain falls for 12.3 days and regularly aggregates up to 2.2" (56mm) of precipitation.

When it does not snow?

In Vilas, snow does not fall in June through September.

What is the average length of the day in August?

In Vilas, the average day length in August is 13h and 57min.

When are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:19 am and sunset at 8:53 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 8:07 pm CDT.

How long on average sun shines in August?

In August, the average sunshine duration is 10h.

How high is the UV index in August?

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

Average temperature in August - Vilas, SD
  • Average high temperature in August: 81°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 August: 59.4°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).

Average pressure in August
Vilas, SD

Average pressure in August - Vilas, 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 (29.85"Hg).

Average wind speed in August
Vilas, SD

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

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).

Average humidity in August
Vilas, SD

Average humidity in August - Vilas, SD
  • Average humidity in August: 71%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is October (67%).

Average rainfall in August
Vilas, SD

Average rainfall in August - Vilas, SD
  • Average rainfall in August: 2.2"

The wettest month (with the highest rainfall) is June (3.23").
The driest month (with the least rainfall) is November (0.59").

Average rainfall days in August
Vilas, SD

Average rainfall days in August - Vilas, SD
  • Average rainfall days in August: 12.3 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).

Average snowfall in August
Vilas, SD

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

The month with the highest snowfall is February (4.76").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Vilas, SD

Average snowfall days in August - Vilas, 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).

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

Average daylight in August / Average sunshine in August - Vilas, 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: 9h and 0min).

  • Average sunshine in August: 10h and 0min

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).

Average sunshine days in August
Vilas, SD

Average sunshine days in August - Vilas, SD
  • Average sunshine days in August: 16.3 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).

Average UV index in August
Vilas, SD

Average UV index in August - Vilas, 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
Vilas, SD

Average cloud cover in August - Vilas, SD
  • Average cloud cover in August: 29

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is July (Cloud cover 28).

Average visibility in August
Vilas, SD

Average visibility in August - Vilas, 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).

Vilas, South Dakota, USA

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