August weather forecast
Kewaunee, WI

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Weather in August

The last month of the summer, August, is also a moderately hot month in Kewaunee, Wisconsin, with an average temperature ranging between min 61.7°F (16.5°C) and max 75.6°F (24.2°C).

Temperature

The advent of August brings an average high-temperature of a still warm 75.6°F (24.2°C), exhibiting minor difference from the previous month. Kewaunee experiences a nighttime temperature average of 61.7°F (16.5°C) during August.

Humidity

The average relative humidity in August is 78%.

Rainfall

In August, the rain falls for 14.1 days. Throughout August, 2.05" (52mm) of precipitation is accumulated. In Kewaunee, during the entire year, the rain falls for 132.6 days and collects up to 25.55" (649mm) of precipitation.

Snowfall

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

Ocean temperature

The month with the warmest seawater in Kewaunee, Wisconsin, is August, with an average ocean temperature of 69.6°F (20.9°C).
Note: In 69.6°F (20.9°C), swimming is not an enjoyable activity for most. The challenge of managing one's breathing increases as the temperature goes under 69.8°F (21°C).

Daylight

In Kewaunee, the average length of the day in August is 13h and 59min.
On the first day of August in Kewaunee, sunrise is at 5:37 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 7:27 pm CDT.

Sunshine

The average sunshine in August in Kewaunee is 10.1h.

UV index

In August, the average daily maximum UV index in Kewaunee is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 5 during August leads to these instructions:
Ensure safety - Recommendations to avert sunburn are presented. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are August temperatures in Kewaunee?

In Kewaunee, 75.6°F (24.2°C) is the average high-temperature and 61.7°F (16.5°C) is the average low-temperature during August.

What is the average humidity in August in Kewaunee?

In Kewaunee, Wisconsin, the average relative humidity in August is 78%.

How many days does it rain in August in Kewaunee?

In Kewaunee, Wisconsin, in August, during 14.1 rainfall days, 2.05" (52mm) of precipitation is typically accumulated.

When it does not snow in Kewaunee?

June through September are months without snowfall in Kewaunee, Wisconsin.

When is the ocean warmest in Kewaunee?

With an average ocean temperature of 69.6°F (20.9°C), August is the month with the warmest seawater.

What is the ocean temperature in August in Kewaunee?

In Kewaunee, the average seawater temperature in August is 69.6°F (20.9°C). Swimming in 69.6°F (20.9°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

How many hours of daylight does Kewaunee have in August?

In August, the average day length in Kewaunee is 13h and 59min.

What time are sunrise and sunset in August in Kewaunee?

On the first day of August, sunrise is at 5:37 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 7:27 pm CDT.

How many hours of sunshine does Kewaunee have in August?

In August, the average sunshine duration in Kewaunee is 10.1h.

What is the UV index reading in August in Kewaunee?

The average daily maximum UV index in August in Kewaunee is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability 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
Kewaunee, WI

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

The warmest month (with the highest average high temperature) is July (76.1°F).
The month with the lowest average high temperature is January (25°F).

  • Average low temperature in August: 61.7°F

The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).

Average pressure in August
Kewaunee, WI

Average pressure in August - Kewaunee, WI
  • Average pressure in August: 29.96"Hg

The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in August
Kewaunee, WI

Average wind speed in August - Kewaunee, WI
  • Average wind speed in August: 8.4mph

The windiest month (with the highest average wind speed) is January (12.4mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).

Average humidity in August
Kewaunee, WI

Average humidity in August - Kewaunee, WI
  • Average humidity in August: 78%

The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are April and May (76%).

Average rainfall in August
Kewaunee, WI

Average rainfall in August - Kewaunee, WI
  • Average rainfall in August: 2.05"

The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is February (1.38").

Average rainfall days in August
Kewaunee, WI

Average rainfall days in August - Kewaunee, WI
  • Average rainfall days in August: 14.1 days

The month with the highest number of rainy days is May (15.3 days).
The months with the least rainy days are January and February (4.2 days).

Average snowfall in August
Kewaunee, WI

Average snowfall in August - Kewaunee, WI
  • 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
Kewaunee, WI

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

The month with the highest number of snowfall days is January (14.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average sea temperature in August
Kewaunee, WI

Average sea temperature in August - Kewaunee, WI
  • Average sea temperature in August: 69.7°F

The best month for swimming (with the highest average sea temperature) is August (69.7°F).
The coldest month (with the lowest average sea temperature) is February (36.6°F).

Average daylight in August /
Average sunshine in August
Kewaunee, WI

Average daylight in August / Average sunshine in August - Kewaunee, WI
  • 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 1min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The months with the least sunshine are January and February (Average sunshine: 3h and 12min).

Average sunshine days in August
Kewaunee, WI

Average sunshine days in August - Kewaunee, WI
  • Average sunshine days in August: 14.2 days

The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is February (11 days).

Average UV index in August
Kewaunee, WI

Average UV index in August - Kewaunee, 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 and December (UV index 1).

Average cloud cover in August
Kewaunee, WI

Average cloud cover in August - Kewaunee, WI
  • Average cloud cover in August: 30

The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is July (Cloud cover 29).

Average visibility in August
Kewaunee, WI

Average visibility in August - Kewaunee, WI
  • 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).

Kewaunee, Wisconsin, USA

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