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 beginning of August reveals an average high-temperature of a still warm 75.7°F (24.3°C), showing minimal deviation from the previous month. During the month of August, an average temperature of 64.8°F (18.2°C) is noted during the nights.Humidity
In Saint Francis, the average relative humidity in August is 77%.Rainfall
In Saint Francis, in August, it is raining for 15.4 days, with typically 2.13" (54mm) of accumulated precipitation. In Saint Francis, during the entire year, the rain falls for 131.9 days and collects up to 18.54" (471mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In August, the average length of the day is 13h and 53min.On the first day of August, sunrise is at 5:43 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 7:27 pm CDT.
Sunshine
In Saint Francis, the average sunshine in August is 10.5h.UV index
In Saint Francis, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: The UV index of 5 in August translates into these instructions:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in August?
What is the average humidity in August?
How many days does it rain in August?
When it does not snow?
What is the average length of the day in August?
What time are sunrise and sunset in August?
How long on average sun shines in August?
What is the UV index reading in August?
Average temperature in August
Saint Francis, WI
- Average high temperature in August: 75.7°F
The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in August: 64.8°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in August
Saint Francis, WI
- Average pressure in August: 29.97"Hg
The months with the highest atmospheric pressure are January, February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Saint Francis, WI
- Average wind speed in August: 7.9mph
The windiest month (with the highest average wind speed) is January (12.6mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).
Average humidity in August
Saint Francis, WI
- Average humidity in August: 77%
The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in August
Saint Francis, WI
- Average rainfall in August: 2.13"
The wettest month (with the highest rainfall) is July (2.4").
The driest month (with the least rainfall) is February (0.75").
Average rainfall days in August
Saint Francis, WI
- Average rainfall days in August: 15.4 days
The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in August
Saint Francis, WI
- Average snowfall in August: 0"
The month with the highest snowfall is January (2.01").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Saint Francis, WI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (13.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Saint Francis, 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 3min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in August
Saint Francis, WI
- Average sunshine days in August: 12.7 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is July (11.6 days).
Average UV index in August
Saint Francis, 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 and December (UV index 1).
Average cloud cover in August
Saint Francis, WI
- Average cloud cover in August: 27
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility in August
Saint Francis, WI
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Saint Francis, Wisconsin, USA
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