August weather forecastMarengo, WI
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Marengo, Wisconsin, with an average temperature fluctuating between 57.4°F (14.1°C) and 75.2°F (24°C).Temperature
The initiation of August records an average high-temperature of a still warm 75.2°F (24°C), displaying a near consistency with the previous month. Marengo reports an average nighttime low-temperature of 57.4°F (14.1°C) in August.Humidity
In Marengo, the average relative humidity in August is 76%.Rainfall
In Marengo, in August, during 12.9 rainfall days, 1.69" (43mm) of precipitation is typically accumulated. Throughout the year, there are 121.6 rainfall days, and 21.42" (544mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In August, the average length of the day is 14h and 7min.On the first day of the month, sunrise is at 5:45 am and sunset at 8:33 pm. On the last day of August, sunrise is at 6:23 am and sunset at 7:43 pm CDT.
Sunshine
In Marengo, the average sunshine in August is 9.8h.UV index
In Marengo, the average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index, 5 during August, leads to the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. Avoiding the Sun during its peak radiation time around midday is a healthy practice. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Marengo, WI
- Average high temperature in August: 75.2°F
The warmest month (with the highest average high temperature) is July (76.8°F).
The month with the lowest average high temperature is January (19.4°F).
- Average low temperature in August: 57.4°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (8.6°F).
Average pressure in August
Marengo, WI
- Average pressure in August: 29.93"Hg
The month with the highest atmospheric pressure is February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in August
Marengo, WI
- Average wind speed in August: 6.8mph
The windiest month (with the highest average wind speed) is November (9.1mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in August
Marengo, WI
- Average humidity in August: 76%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is May (72%).
Average rainfall in August
Marengo, WI
- Average rainfall in August: 1.69"
The wettest month (with the highest rainfall) is July (2.56").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in August
Marengo, WI
- Average rainfall days in August: 12.9 days
The month with the highest number of rainy days is June (15.5 days).
The month with the least rainy days is January (3.2 days).
Average snowfall in August
Marengo, WI
- Average snowfall in August: 0"
The month with the highest snowfall is December (7.95").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Marengo, WI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (21.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Marengo, WI
- Average daylight in August: 14h and 6min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in August: 9h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in August
Marengo, WI
- Average sunshine days in August: 13.9 days
The month with the most sunshine days is September (15 days).
The month with the least sunshine days is December (9.8 days).
Average UV index in August
Marengo, 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
Marengo, WI
- Average cloud cover in August: 32
The month with the most cloud cover is January (Cloud cover 78).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in August
Marengo, WI
- Average visibility in August: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
