August weather forecastDana, IL
August
Weather in August
The last month of the summer, August, is another warm month in Dana, Illinois, with temperature in the range of an average low of 62.8°F (17.1°C) and an average high of 80.2°F (26.8°C).Temperature
The average high-temperature in August, at a still warm 80.2°F (26.8°C), reveals a modest deviation from July's 81°F (27.2°C). In Dana, an average low-temperature of 62.8°F (17.1°C) is recorded during August nights.Humidity
In August, the average relative humidity is 83%.Rainfall
In Dana, in August, during 12.3 rainfall days, 1.38" (35mm) of precipitation is typically accumulated. In Dana, during the entire year, the rain falls for 122.1 days and collects up to 15.28" (388mm) of precipitation.Snowfall
In Dana, snow does not fall in May through September.Daylight
In Dana, Illinois, the average length of the day in August is 13h and 46min.On the first day of the month, sunrise is at 5:52 am and sunset at 8:11 pm. On the last day of August, sunrise is at 6:22 am and sunset at 7:29 pm CDT.
Sunshine
In August, the average sunshine is 9.8h.UV index
In Dana, 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 unsafe exposure to UV radiation for average individuals.Note: A maximum high daily UV index of 5 during August translates into the following directions:
Put precautions into practice - Guidance to elude sunburn is provided. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Dana, IL
- Average high temperature in August: 80.2°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in August: 62.8°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in August
Dana, IL
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in August
Dana, IL
- Average wind speed in August: 6.5mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in August
Dana, IL
- Average humidity in August: 83%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall in August
Dana, IL
- Average rainfall in August: 1.38"
The wettest month (with the highest rainfall) is May (2.05").
The driest month (with the least rainfall) is November (0.71").
Average rainfall days in August
Dana, IL
- Average rainfall days in August: 12.3 days
The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is February (4.7 days).
Average snowfall in August
Dana, IL
- Average snowfall in August: 0"
The month with the highest snowfall is February (1.65").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Dana, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (10.3 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
Dana, IL
- Average daylight in August: 13h and 48min
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 48min
The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in August
Dana, IL
- Average sunshine days in August: 14.8 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in August
Dana, IL
- Average UV index in August: 5
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in August
Dana, IL
- Average cloud cover in August: 32
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 31).
Average visibility in August
Dana, 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).





