August weather forecast
Fond du Lac, WI

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Weather in August

August continues to ride the warmth wave with temperatures hovering around July’s high, peaking at 76.6°F (24.8°C). Even with an ever-present sun that promises heavily sunny days, the conditions remain comfortable due to breezes from Lake Winnebago. Coupled with the warm temperatures, the steady wind speed of 7.1mph (11.4km/h) is a boon to wind sports enthusiasts. Despite the plethora of sunshine, August concludes summer on a more moderate warmth note than the peak in July. As the month concludes, temperatures embark on a downward trend, hinting towards the arrival of the fall season.

Temperature

With the onset of August, a modest change to a still moderately hot 76.6°F (24.8°C) from July's 77.4°F (25.2°C) is noted in high-temperature. Fond du Lac experiences an average temperature drop to a moderate 59°F (15°C) during August nights.

Humidity

In Fond du Lac, the average relative humidity in August is 82%.

Rainfall

In Fond du Lac, in August, during 10.3 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. Throughout the year, there are 90.7 rainfall days, and 7.56" (192mm) of precipitation is accumulated.

Snowfall

In Fond du Lac, snow does not fall in May through September.

Daylight

In August, the average length of the day in Fond du Lac is 13h and 56min.
On the first day of August, sunrise is at 5:43 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 7:30 pm CDT.

Sunshine

In Fond du Lac, the average sunshine in August is 9.9h.

UV index

May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 5 in August converts into the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. To avoid the Sun's strongest rays, limit exposure around the mid-day period. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Updated: Aug 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in August?

The average high-temperature, in August, in Fond du Lac, is 76.6°F (24.8°C), while the average low-temperature is 59°F (15°C).

What is the average humidity in August?

In August, the average relative humidity in Fond du Lac is 82%.

How many days does it rain in August?

In August, the rain falls for 10.3 days. Throughout August, 0.71" (18mm) of precipitation is accumulated.

When it does not snow?

In Fond du Lac, snow does not fall in May through September.

What is the average length of the day in August?

The average day length in August is 13h and 56min.

When is the sunrise / sunset in August?

In August, on the first day of the month, sunrise is at 5:43 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 7:30 pm CDT.

How many hours of sunshine does Fond du Lac have in August?

In August, the average sunshine duration in Fond du Lac is 9.9h.

When is the highest UV index in Fond du Lac?

The months with the highest UV index are May through August, with an average maximum UV index of 5.

What is the UV index intensity in August?

The average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from 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
Fond du Lac, WI

Average temperature in August - Fond du Lac, WI
  • Average high temperature in August: 76.6°F

The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is January (22.5°F).

  • Average low temperature in August: 59°F

The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).

Average pressure in August
Fond du Lac, WI

Average pressure in August - Fond du Lac, WI
  • Average pressure in August: 29.96"Hg

The months with the highest atmospheric pressure are January, February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in August
Fond du Lac, WI

Average wind speed in August - Fond du Lac, WI
  • Average wind speed in August: 7.1mph

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (7.1mph).

Average humidity in August
Fond du Lac, WI

Average humidity in August - Fond du Lac, WI
  • Average humidity in August: 82%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (76%).

Average rainfall in August
Fond du Lac, WI

Average rainfall in August - Fond du Lac, WI
  • Average rainfall in August: 0.71"

The wettest months (with the highest rainfall) are June and October (0.94").
The driest months (with the least rainfall) are January and February (0.31").

Average rainfall days in August
Fond du Lac, WI

Average rainfall days in August - Fond du Lac, WI
  • Average rainfall days in August: 10.3 days

The months with the highest number of rainy days are April and July (11 days).
The month with the least rainy days is February (2.3 days).

Average snowfall in August
Fond du Lac, WI

Average snowfall in August - Fond du Lac, WI
  • Average snowfall in August: 0"

The month with the highest snowfall is January (1.06").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Fond du Lac, WI

Average snowfall days in August - Fond du Lac, WI
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (10.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Fond du Lac, WI

Average daylight in August / Average sunshine in August - Fond du Lac, WI
  • Average daylight in August: 13h and 5min

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: 9h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

Average sunshine days in August
Fond du Lac, WI

Average sunshine days in August - Fond du Lac, WI
  • Average sunshine days in August: 16.8 days

The month with the most sunshine days is December (21.5 days).
The month with the least sunshine days is June (15.6 days).

Average UV index in August
Fond du Lac, WI

Average UV index in August - Fond du Lac, WI
  • Average UV index in August: 5

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).

Average cloud cover in August
Fond du Lac, WI

Average cloud cover in August - Fond du Lac, WI
  • Average cloud cover in August: 34

The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is July (Cloud cover 33).

Average visibility in August
Fond du Lac, WI

Average visibility in August - Fond du Lac, WI
  • Average visibility in August: 6mi

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

Fond du Lac, Wisconsin, USA

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