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
Rock Falls marks the onset of August with an average high-temperature of a still moderately hot 76.8°F (24.9°C), a subtle shift from July's 78.4°F (25.8°C). Nighttime temperature in Rock Falls dips to a mean of 57.9°F (14.4°C) during August.Humidity
In August, the average relative humidity in Rock Falls, Wisconsin, is 81%.Rainfall
In Rock Falls, during August, the rain falls for 15.1 days and regularly aggregates up to 2.32" (59mm) of precipitation. In Rock Falls, during the entire year, the rain falls for 135.6 days and collects up to 26.57" (675mm) of precipitation.Snowfall
In Rock Falls, snow does not fall in June through September.Daylight
In August, the average length of the day is 14h and 0min.On the first day of the month, sunrise is at 5:53 am and sunset at 8:32 pm. On the last day of August, in Rock Falls, sunrise is at 6:28 am and sunset at 7:44 pm CDT.
Sunshine
July and August, with an average of 9.6h of sunshine, are months with the most sunshine.UV index
The average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index, 5 in August, converts into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. To protect against the Sun's most potent rays, avoid direct exposure around midday. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Frequently asked questions
What is the temperature in August in Rock Falls?
What is the average humidity in August in Rock Falls?
How many days does it rain in August in Rock Falls?
When it does not snow in Rock Falls?
How many hours of daylight does Rock Falls have in August?
When are sunrise and sunset in August in Rock Falls?
What is the month with the most sunshine in Rock Falls?
How long on average sun shines in August in Rock Falls?
How high is the UV index in August in Rock Falls?
Average temperature in August
Rock Falls, WI
- Average high temperature in August: 76.8°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (19.9°F).
- Average low temperature in August: 57.9°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (6.3°F).
Average pressure in August
Rock Falls, WI
- Average pressure in August: 29.95"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
Rock Falls, WI
- Average wind speed in August: 6.5mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).
Average humidity in August
Rock Falls, WI
- Average humidity in August: 81%
The months with the highest relative humidity are January and February (91%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall in August
Rock Falls, WI
- Average rainfall in August: 2.32"
The wettest month (with the highest rainfall) is June (4.57").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in August
Rock Falls, WI
- Average rainfall days in August: 15.1 days
The month with the highest number of rainy days is June (17.9 days).
The month with the least rainy days is February (3.6 days).
Average snowfall in August
Rock Falls, WI
- Average snowfall in August: 0"
The month with the highest snowfall is February (6.38").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Rock Falls, WI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (16.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Rock Falls, WI
- Average daylight in August: 14h and 0min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in August: 9h and 4min
The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in August
Rock Falls, WI
- Average sunshine days in August: 13.5 days
The month with the most sunshine days is October (16.3 days).
The month with the least sunshine days is June (9.8 days).
Average UV index in August
Rock Falls, 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
Rock Falls, 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
Rock Falls, WI
- Average visibility in August: 6mi
The months with the highest visibility are April, May, June, August, October and November (6mi).
The month with the lowest visibility is January (4mi).
Rock Falls, Wisconsin, USA
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