August weather forecast
Wausau, WI

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An aerial panorama of downtown Wausau City in Wisconsin
An aerial panorama of downtown Wausau City in Wisconsin

Weather in August

The heat slightly cools down in August, yet summer continues to prevail in Wausau, with warm, sunny days suitable for outdoor activities. The slight decrease in temperature does not lower the spirit of the summer season. Conditions remain reminiscent of July, with average temperatures hovering around 75.6°F (24.2°C). Though the days begin to shorten, it does not put a damper on the outdoor enthusiasm. The last full month of summer, August offers a refreshing time for picnics and barbecues.

Temperature

The arrival of August in Wausau records an average high-temperature of a still moderately hot 75.6°F (24.2°C), closely related to the 77.2°F (25.1°C) observed in July. An average temperature of 56.8°F (13.8°C) is recorded in Wausau during the nights in August.

Humidity

In August, the average relative humidity is 80%.

Rainfall

In Wausau, in August, during 10.8 rainfall days, 0.94" (24mm) of precipitation is typically accumulated. In Wausau, during the entire year, the rain falls for 103 days and collects up to 11.02" (280mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In August, the average length of the day in Wausau is 14h and 1min.
On the first day of the month, sunrise is at 5:44 am and sunset at 8:24 pm. On the last day of August, sunrise is at 6:20 am and sunset at 7:36 pm CDT.

Sunshine

In August, the average sunshine is 9.4h.

UV index

In August, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: In August, the maximum UV index of 5 transforms into these recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
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Frequently asked questions

What are August temperatures in Wausau?

The average high-temperature and low-temperature in Wausau, Wisconsin, during August are 75.6°F (24.2°C) and 56.8°F (13.8°C) respectively.

What is the average humidity in August in Wausau?

In August, the average relative humidity in Wausau is 80%.

How many days does it rain in August in Wausau?

In Wausau, in August, it is raining for 10.8 days, with typically 0.94" (24mm) of accumulated precipitation.

When it does not snow in Wausau?

June through September are months without snowfall in Wausau.

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

The average day length in August in Wausau is 14h and 1min.

When are sunrise and sunset in August in Wausau?

On the first day of August in Wausau, sunrise is at 5:44 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 7:36 pm CDT.

How long on average sun shines in August in Wausau?

The average sunshine duration in August in Wausau is 9.4h.

What is the UV index intensity in August in Wausau?

The average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes 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
Wausau, WI

Average temperature in August - Wausau, WI
  • Average high temperature in August: 75.6°F

The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (19.8°F).

  • Average low temperature in August: 56.8°F

The month with the highest average low temperature is July (58.5°F).
The coldest month (with the lowest average low temperature) is January (8.2°F).

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Average pressure in August
Wausau, WI

Average pressure in August - Wausau, WI
  • Average pressure in August: 29.95"Hg

The month with the highest atmospheric pressure is February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in August
Wausau, WI

Average wind speed in August - Wausau, WI
  • Average wind speed in August: 7mph

The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest month (with the lowest average wind speed) is August (7mph).

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Average humidity in August
Wausau, WI

Average humidity in August - Wausau, WI
  • Average humidity in August: 80%

The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is April (76%).

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Average rainfall in August
Wausau, WI

Average rainfall in August - Wausau, WI
  • Average rainfall in August: 0.94"

The wettest months (with the highest rainfall) are May and June (1.46").
The driest month (with the least rainfall) is January (0.43").

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Average rainfall days in August
Wausau, WI

Average rainfall days in August - Wausau, WI
  • Average rainfall days in August: 10.8 days

The month with the highest number of rainy days is May (13.4 days).
The month with the least rainy days is February (2.9 days).

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Average snowfall in August
Wausau, WI

Average snowfall in August - Wausau, WI
  • Average snowfall in August: 0"

The month with the highest snowfall is January (2.17").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Wausau, WI

Average snowfall days in August - Wausau, WI
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (15.2 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
Wausau, WI

Average daylight in August / Average sunshine in August - Wausau, WI
  • Average daylight in August: 14h and 0min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in August: 9h and 2min

The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).

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Average sunshine days in August
Wausau, WI

Average sunshine days in August - Wausau, WI
  • Average sunshine days in August: 16.3 days

The month with the most sunshine days is October (18.3 days).
The month with the least sunshine days is April (13.4 days).

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Average UV index in August
Wausau, WI

Average UV index in August - Wausau, WI
  • 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 and December (UV index 1).

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Average cloud cover in August
Wausau, WI

Average cloud cover in August - Wausau, WI
  • Average cloud cover in August: 37

The month with the most cloud cover is January (Cloud cover 72).
The months with the least cloud cover are July and August (Cloud cover 37).

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Average visibility in August
Wausau, WI

Average visibility in August - Wausau, WI
  • Average visibility in August: 5mi

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

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Wausau, Wisconsin, USA

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