August weather forecastLancaster, WI
August
Weather in August
August, the last month of the summer in Lancaster, is also a moderately hot month, with an average temperature ranging between max 78.6°F (25.9°C) and min 59.9°F (15.5°C).Temperature
The arrival of August marks a slight shift to an average high-temperature of a still warm 78.6°F (25.9°C) from July's 79.7°F (26.5°C). During the month of August, the nighttime temperature falls to an average of 59.9°F (15.5°C).Humidity
In Lancaster, the average relative humidity in August is 80%.Rainfall
In Lancaster, in August, during 12.9 rainfall days, 2.01" (51mm) of precipitation is typically accumulated. In Lancaster, during the entire year, the rain falls for 134.2 days and collects up to 27.32" (694mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Lancaster, the average length of the day in August is 13h and 53min.On the first day of the month, sunrise is at 5:54 am and sunset at 8:23 pm. On the last day of August, sunrise is at 6:27 am and sunset at 7:38 pm CDT.
Sunshine
July and August, with an average of 9.9h of sunshine, are months with the most sunshine.UV index
In Lancaster, the average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The daily maximum UV index of 5 in August interprets into the following advice:
Be vigilant - A duty to shield skin and eyes from injury exists. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. 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
Lancaster, WI
- Average high temperature in August: 78.6°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (23.4°F).
- Average low temperature in August: 59.9°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (11.3°F).
Average pressure in August
Lancaster, 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
Lancaster, WI
- Average wind speed in August: 6.6mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in August
Lancaster, WI
- Average humidity in August: 80%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is October (76%).
Average rainfall in August
Lancaster, WI
- Average rainfall in August: 2.01"
The wettest month (with the highest rainfall) is June (3.62").
The driest month (with the least rainfall) is January (1.06").
Average rainfall days in August
Lancaster, WI
- Average rainfall days in August: 12.9 days
The month with the highest number of rainy days is May (18.5 days).
The months with the least rainy days are January and February (3.8 days).
Average snowfall in August
Lancaster, WI
- Average snowfall in August: 0"
The month with the highest snowfall is January (4.8").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Lancaster, WI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Lancaster, WI
- Average daylight in August: 13h and 54min
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: 9h and 54min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in August
Lancaster, WI
- Average sunshine days in August: 16.1 days
The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is June (10 days).
Average UV index in August
Lancaster, WI
- Average UV index in August: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in August
Lancaster, WI
- Average cloud cover in August: 31
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in August
Lancaster, WI
- Average visibility in August: 5mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).





