August weather forecastPoplar Grove, IL
August
Weather in August
August, the last month of the summer in Poplar Grove, is another warm month, with temperature in the range of an average low of 60.4°F (15.8°C) and an average high of 78.1°F (25.6°C).Temperature
At the onset of August, Poplar Grove records an average high-temperature of a still moderately hot 78.1°F (25.6°C), showing little deviation from the preceding month. During August, the average low-temperature is recorded at a moderate 60.4°F (15.8°C).Humidity
In Poplar Grove, the average relative humidity in August is 84%.Rainfall
In Poplar Grove, in August, it is raining for 16.3 days, with typically 2.8" (71mm) of accumulated precipitation. In Poplar Grove, during the entire year, the rain falls for 154 days and collects up to 30.47" (774mm) of precipitation.Snowfall
In Poplar Grove, snow does not fall in May through September.Daylight
In August, the average length of the day in Poplar Grove is 13h and 50min.On the first day of August in Poplar Grove, sunrise is at 5:48 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 7:30 pm CDT.
Sunshine
July and August, with an average of 9.7h of sunshine, are months with the most sunshine.UV index
In Poplar Grove, 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 the ordinary person.Note: The UV index of 5 during August leads to these advisories:
Guard yourself - Precautionary measures against sun damage are advocated. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Poplar Grove, IL
- Average high temperature in August: 78.1°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (25.9°F).
- Average low temperature in August: 60.4°F
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).
Average pressure in August
Poplar Grove, IL
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Poplar Grove, IL
- Average wind speed in August: 6.2mph
The windiest month (with the highest average wind speed) is April (10mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in August
Poplar Grove, IL
- Average humidity in August: 84%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (75%).
Average rainfall in August
Poplar Grove, IL
- Average rainfall in August: 2.8"
The wettest month (with the highest rainfall) is June (4.09").
The driest month (with the least rainfall) is February (1.46").
Average rainfall days in August
Poplar Grove, IL
- Average rainfall days in August: 16.3 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is February (5.6 days).
Average snowfall in August
Poplar Grove, IL
- Average snowfall in August: 0"
The month with the highest snowfall is January (5.35").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Poplar Grove, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (12.6 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
Poplar Grove, IL
- Average daylight in August: 13h and 48min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in August: 9h and 42min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in August
Poplar Grove, IL
- Average sunshine days in August: 11.8 days
The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is June (10.2 days).
Average UV index in August
Poplar Grove, IL
- Average UV index in August: 5
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in August
Poplar Grove, IL
- Average cloud cover in August: 34
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are August and September (Cloud cover 34).
Average visibility in August
Poplar Grove, IL
- 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).
