August weather forecast
Sauk City, WI

Weather in August

The last month of the summer, August, is another warm month in Sauk City, Wisconsin, with average temperature varying between 59°F (15°C) and 77.7°F (25.4°C).

Temperature

In August, the average high-temperature is essentially the same as in July - a still warm 77.7°F (25.4°C). The average low-temperature, in August, is 59°F (15°C).

Humidity

The average relative humidity in August is 81%.

Rainfall

In Sauk City, Wisconsin,, it is raining for 12.9 days, with typically 1.5" (38mm) of accumulated precipitation. Throughout the year, there are 122.6 rainfall days, and 16.02" (407mm) of precipitation is accumulated.

Snowfall

In Sauk City snow does not fall in May through September.

Daylight

The average length of the day in August is 13.9h.

Sunshine

In Sauk City, the average sunshine is 9.7h.

UV index

In Sauk City, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a medium health hazard from the exposure to the Sun's UV rays for the ordinary person.
Note: In August, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the average humidity in August in Sauk City?

The average relative humidity in August is 81%.

How many days does it rain in August in Sauk City?

In Sauk City, Wisconsin, in August, it is raining for 12.9 days, with typically 1.5" (38mm) of accumulated precipitation.

When it does not snow in Sauk City?

May through September are months without snowfall.

What is the average length of the day in August in Sauk City?

The average length of the day in August is 13.9h.

How long on average sun shines in August in Sauk City?

In August, the average sunshine is 9.7h.

What is the UV index intensity in August in Sauk City?

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

Average temperature in August
Sauk City, WI

Average temperature in August - Sauk City, WI
  • Average high temperature in August: 77.7°F

The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (22.6°F).

  • Average low temperature in August: 59°F

The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (10.6°F).

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Average pressure in August
Sauk City, WI

Average pressure in August - Sauk City, WI
  • Average pressure in August: 29.96"

Months with the highest atmospheric pressure are January and February (30.11").
The month with the lowest atmospheric pressure is June (29.91").

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Average wind speed in August
Sauk City, WI

Average wind speed in August - Sauk City, WI
  • Average wind speed in August: 6.5mph

The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

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Average humidity in August
Sauk City, WI

Average humidity in August - Sauk City, WI
  • Average humidity in August: 81%

The month with the highest relative humidity is January (89%).
Months with the lowest relative humidity are April and October (77%).

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Average rainfall in August
Sauk City, WI

Average rainfall in August - Sauk City, WI
  • Average rainfall in August: 1.5"

The wettest month (with the highest rainfall) is June (2.48").
The driest month (with the least rainfall) is January (0.51").

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Average rainfall days in August
Sauk City, WI

Average rainfall days in August - Sauk City, WI
  • Average rainfall days in August: 12.9 days

The month with the highest number of rainy days is June (16.8 days).
The month with the least rainy days is February (3.1 days).

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Average snowfall in August
Sauk City, WI

Average snowfall in August - Sauk City, WI
  • Average snowfall in August: 0"

The month with the highest snowfall is February (2.8").
Months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
Sauk City, WI

Average snowfall days in August - Sauk City, WI
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (13.2 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
Sauk City, WI

Average daylight in August / Average sunshine in August - Sauk City, WI
  • Average daylight in August: 13.9h

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9h).

  • Average sunshine in August: 9.7h

The month with the most sunshine is July (Average sunshine: 9.9h).
The month with the least sunshine is January (Average sunshine: 3.3h).

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Average sunshine days in August
Sauk City, WI

Average sunshine days in August - Sauk City, WI
  • Average sunshine days in August: 15.6 days

The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is June (9.9 days).

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Average UV index in August
Sauk City, WI

Average UV index in August - Sauk City, WI
  • Average UV index in August: 5

The month with the highest UV index is July (UV index 6).
Months with the lowest UV index are January, November and December (UV index 1).

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Average cloud cover in August
Sauk City, WI

Average cloud cover in August - Sauk City, WI
  • Average cloud cover in August: 33

The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in August
Sauk City, WI

Average visibility in August - Sauk City, WI
  • Average visibility in August: 5mi

Months with the highest visibility are March, April, May, June, October, November and December (6mi).
Months with the lowest visibility are January, February, July, August and September (5mi).

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