August weather forecastWestby, WI
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Westby, Wisconsin, with temperature in the range of an average high of 77.9°F (25.5°C) and an average low of 58.5°F (14.7°C).Temperature
Westby's entry into August measures an average high-temperature of a still warm 77.9°F (25.5°C), closely parallel to the preceding month. In Westby, the nighttime temperature averages to a moderate 58.5°F (14.7°C) during August.Humidity
In Westby, the average relative humidity in August is 80%.Rainfall
In Westby, in August, during 14.3 rainfall days, 2.44" (62mm) of precipitation is typically accumulated. In Westby, Wisconsin, during the entire year, the rain falls for 136.1 days and collects up to 28.7" (729mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Westby, the average length of the day in August is 13h and 56min.On the first day of the month, sunrise is at 5:53 am and sunset at 8:26 pm. On the last day of August, sunrise is at 6:26 am and sunset at 7:40 pm CDT.
Sunshine
In Westby, the average sunshine in August is 9.6h.UV index
The average daily maximum UV index in August 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 average individuals.Note: In August, the average maximum UV index of 5 translates into the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. 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
Westby, WI
- Average high temperature in August: 77.9°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (21.6°F).
- Average low temperature in August: 58.5°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (9°F).
Average pressure in August
Westby, WI
- Average pressure in August: 29.96"Hg
The months with the highest atmospheric pressure are January and February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in August
Westby, WI
- Average wind speed in August: 6.3mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in August
Westby, WI
- Average humidity in August: 80%
The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are April and October (78%).
Average rainfall in August
Westby, WI
- Average rainfall in August: 2.44"
The wettest month (with the highest rainfall) is June (4.88").
The driest month (with the least rainfall) is January (1.06").
Average rainfall days in August
Westby, WI
- Average rainfall days in August: 14.3 days
The month with the highest number of rainy days is June (18.5 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in August
Westby, WI
- Average snowfall in August: 0"
The month with the highest snowfall is February (6.22").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Westby, WI
- Average snowfall days in August: 0 days
The months with the highest number of snowfall days are January and February (13.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Westby, 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 36min
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
Westby, WI
- Average sunshine days in August: 13.8 days
The month with the most sunshine days is November (18.1 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in August
Westby, 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, February, November and December (UV index 1).
Average cloud cover in August
Westby, WI
- Average cloud cover in August: 33
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in August
Westby, WI
- Average visibility in August: 5mi
The months with the highest visibility are April, May, June, October and November (6mi).
The month with the lowest visibility is January (4mi).





