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
Rochester's average high-temperature marks a still moderately hot 77.5°F (25.3°C) with the advent of August, closely mirroring that of the preceding month. Rochester experiences an average low-temperature of 61.3°F (16.3°C) in month of August.Humidity
In August, the average relative humidity in Rochester is 82%.Rainfall
In Rochester, in August, it is raining for 16.7 days, with typically 3.07" (78mm) of accumulated precipitation. Throughout the year, there are 158.7 rainfall days, and 29.88" (759mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Rochester, the average length of the day in August is 13h and 52min.On the first day of August, sunrise is at 5:45 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 7:28 pm CDT.
Sunshine
August has the most sunshine of the year, with an average of 10.2h of sunshine.UV index
June through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: In August, the UV index of 5 transforms into the following advice:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average August temperature?
What is the average humidity in August?
How many days does it rain in August?
When it does not snow?
How many hours of daylight does Rochester have in August?
When is the sunrise / sunset in August?
What month has the most sunshine in Rochester?
How many hours of sunshine does Rochester have in August?
What is the month with the highest UV index?
What is the UV index intensity in August in Rochester?
Average temperature in August
Rochester, WI
- Average high temperature in August: 77.5°F
The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (25.7°F).
- Average low temperature in August: 61.3°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure in August
Rochester, WI
- Average pressure in August: 29.97"Hg
The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Rochester, WI
- Average wind speed in August: 6.4mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in August
Rochester, WI
- Average humidity in August: 82%
The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are April, October and November (77%).
Average rainfall in August
Rochester, WI
- Average rainfall in August: 3.07"
The wettest month (with the highest rainfall) is June (3.78").
The driest month (with the least rainfall) is February (1.54").
Average rainfall days in August
Rochester, WI
- Average rainfall days in August: 16.7 days
The month with the highest number of rainy days is May (19.2 days).
The month with the least rainy days is February (5.5 days).
Average snowfall in August
Rochester, WI
- Average snowfall in August: 0"
The month with the highest snowfall is January (5.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Rochester, WI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (14.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Rochester, WI
- Average daylight in August: 13h and 5min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in August: 10h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in August
Rochester, WI
- Average sunshine days in August: 10.4 days
The month with the most sunshine days is November (16 days).
The month with the least sunshine days is June (9 days).
Average UV index in August
Rochester, WI
- Average UV index in August: 5
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in August
Rochester, WI
- Average cloud cover in August: 30
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are August and September (Cloud cover 30).
Average visibility in August
Rochester, WI
- Average visibility in August: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Rochester, Wisconsin, USA
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