August weather forecastGermantown Hills, IL
August
Weather in August
The last month of the summer, August, is another warm month in Germantown Hills, Illinois, with an average temperature varying between 80.2°F (26.8°C) and 63.1°F (17.3°C).Temperature
The high-temperature average in August for Germantown Hills is a still moderately hot 80.2°F (26.8°C), staying closely aligned with July's conditions. Germantown Hills registers a consistent average low-temperature of 63.1°F (17.3°C) during August.Humidity
The average relative humidity in August is 82%.Rainfall
In Germantown Hills, in August, during 12.2 rainfall days, 1.18" (30mm) of precipitation is typically accumulated. In Germantown Hills, during the entire year, the rain falls for 119 days and collects up to 13.11" (333mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Germantown Hills, the average length of the day in August is 13h and 45min.On the first day of August, sunrise is at 5:55 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 6:24 am and sunset at 7:31 pm CDT.
Sunshine
The average sunshine in August is 9.9h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 6 during August translates into the following recommendations:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Germantown Hills, IL
- Average high temperature in August: 80.2°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (30.2°F).
- Average low temperature in August: 63.1°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in August
Germantown Hills, IL
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in August
Germantown Hills, IL
- Average wind speed in August: 6.5mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in August
Germantown Hills, IL
- Average humidity in August: 82%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in August
Germantown Hills, IL
- Average rainfall in August: 1.18"
The wettest month (with the highest rainfall) is May (1.69").
The driest month (with the least rainfall) is February (0.63").
Average rainfall days in August
Germantown Hills, IL
- Average rainfall days in August: 12.2 days
The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is January (4.2 days).
Average snowfall in August
Germantown Hills, IL
- Average snowfall in August: 0"
The month with the highest snowfall is January (1.46").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Germantown Hills, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (10 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
Germantown Hills, IL
- Average daylight in August: 13h and 42min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in August: 9h and 54min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in August
Germantown Hills, IL
- Average sunshine days in August: 14.7 days
The month with the most sunshine days is December (20.6 days).
The month with the least sunshine days is July (11.6 days).
Average UV index in August
Germantown Hills, IL
- Average UV index in August: 6
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in August
Germantown Hills, IL
- Average cloud cover in August: 31
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in August
Germantown Hills, IL
- Average visibility in August: 5mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
