Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
The onset of August brings with it an average high-temperature of a still warm 77.9°F (25.5°C), showing a negligible variation from the month before. In the month of August, the average temperature in Onalaska, Wisconsin, dips to a moderate 58.3°F (14.6°C) during the night.Humidity
In August, the average relative humidity is 81%.Rainfall
In Onalaska, in August, it is raining for 12.7 days, with typically 2.36" (60mm) of accumulated precipitation. In Onalaska, Wisconsin, during the entire year, the rain falls for 129.3 days and collects up to 26.42" (671mm) of precipitation.Snowfall
June through September are months without snowfall in Onalaska.Daylight
In August, the average length of the day is 13h and 56min.On the first day of the month, sunrise is at 5:54 am and sunset at 8:28 pm. On the last day of August, sunrise is at 6:28 am and sunset at 7:41 pm CDT.
Sunshine
July and August, with an average of 9.7h of sunshine, are months with the most sunshine.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In August, a daily UV index of 5 turns into the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are August temperatures in Onalaska?
What is the average humidity in August in Onalaska?
How much does it rain in Onalaska in August?
When it does not snow in Onalaska?
How many hours of daylight does Onalaska have in August?
When is the sunrise / sunset in August in Onalaska?
What are the months with the most sunshine in Onalaska?
How many hours of sunshine does Onalaska have in August?
When is the highest UV index in Onalaska?
What is the UV index intensity in August in Onalaska?
Average temperature in August
Onalaska, WI
- Average high temperature in August: 77.9°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (21.6°F).
- Average low temperature in August: 58.3°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (8.2°F).
Average pressure in August
Onalaska, WI
- Average pressure in August: 29.96"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in August
Onalaska, WI
- Average wind speed in August: 6.2mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in August
Onalaska, WI
- Average humidity in August: 81%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is October (76%).
Average rainfall in August
Onalaska, WI
- Average rainfall in August: 2.36"
The wettest month (with the highest rainfall) is June (4.61").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days in August
Onalaska, WI
- Average rainfall days in August: 12.7 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (3.2 days).
Average snowfall in August
Onalaska, 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
Onalaska, WI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Onalaska, WI
- Average daylight in August: 13h and 5min
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 4min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in August
Onalaska, WI
- Average sunshine days in August: 15.3 days
The month with the most sunshine days is December (18.2 days).
The month with the least sunshine days is June (10.5 days).
Average UV index in August
Onalaska, WI
- Average UV index in August: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in August
Onalaska, WI
- Average cloud cover in August: 32
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in August
Onalaska, 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).
Onalaska, Wisconsin, USA
Weather forecast for your location
2. Allow the app to use your location