August weather forecastKewaunee, WI
August
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 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: 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: 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: 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 6min
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: 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: 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: 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: 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).





