August weather forecastPortage, WI
August
Weather in August
August, the last month of the summer in Portage, is also a moderately hot month, with an average temperature fluctuating between 77.7°F (25.4°C) and 59.2°F (15.1°C).Temperature
August welcomes an average high-temperature of a still moderately hot 77.7°F (25.4°C), not much different from the preceding month. During August, the temperature in Portage tends to dip to an average of 59.2°F (15.1°C) at night.Humidity
The average relative humidity in August in Portage, Wisconsin, is 81%.Rainfall
In Portage, in August, during 13.2 rainfall days, 2.56" (65mm) of precipitation is typically accumulated. In Portage, during the entire year, the rain falls for 128.9 days and collects up to 27.68" (703mm) of precipitation.Snowfall
June through September are months without snowfall in Portage.Daylight
The average length of the day in August is 13h and 55min.On the first day of the month, sunrise is at 5:48 am and sunset at 8:20 pm. On the last day of August, sunrise is at 6:21 am and sunset at 7:34 pm CDT.
Sunshine
In Portage, the average sunshine in August is 9.5h.UV index
In August, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: During August, 5 as the daily maximum UV index converts into the following advice:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Portage, WI
- Average high temperature in August: 77.7°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (22.8°F).
- Average low temperature in August: 59.2°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (10.6°F).
Average pressure in August
Portage, WI
- Average pressure in August: 29.96"Hg
The months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in August
Portage, WI
- Average wind speed in August: 6.6mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in August
Portage, WI
- Average humidity in August: 81%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (76%).
Average rainfall in August
Portage, WI
- Average rainfall in August: 2.56"
The wettest month (with the highest rainfall) is June (3.82").
The driest month (with the least rainfall) is January (1.06").
Average rainfall days in August
Portage, WI
- Average rainfall days in August: 13.2 days
The month with the highest number of rainy days is June (16.8 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in August
Portage, WI
- Average snowfall in August: 0"
The month with the highest snowfall is February (4.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Portage, WI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (12 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Portage, WI
- Average daylight in August: 13h and 54min
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 30min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in August
Portage, WI
- Average sunshine days in August: 14.8 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is June (10.9 days).
Average UV index in August
Portage, 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, November and December (UV index 1).
Average cloud cover in August
Portage, WI
- Average cloud cover in August: 35
The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 35).
Average visibility in August
Portage, WI
- Average visibility in August: 5mi
The months with the highest visibility are March, April, May, June, October and November (6mi).
The months with the lowest visibility are January, February, July, August, September and December (5mi).
