August weather forecastHooper, IL
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Hooper, Illinois, with an average temperature ranging between min 62.6°F (17°C) and max 79.5°F (26.4°C).Temperature
In the transition from July to August, Hooper reports an average high-temperature of a still warm 79.5°F (26.4°C), indicating a close resemblance to the prior month. Hooper, during August nights, observes an average temperature of 62.6°F (17°C).Humidity
The average relative humidity in August is 84%.Rainfall
In Hooper, in August, during 13.2 rainfall days, 1.77" (45mm) of precipitation is typically accumulated. In Hooper, during the entire year, the rain falls for 136.7 days and collects up to 19.72" (501mm) of precipitation.Snowfall
May through October are months without snowfall in Hooper.Daylight
In Hooper, the average length of the day in August is 13h and 46min.On the first day of the month, sunrise is at 5:47 am and sunset at 8:06 pm. On the last day of August, sunrise is at 6:16 am and sunset at 7:24 pm CDT.
Sunshine
In August, the average sunshine is 9.7h.UV index
The average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 5 during August translates into the following guidance:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Hooper, IL
- Average high temperature in August: 79.5°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in August: 62.6°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure in August
Hooper, 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 (29.93"Hg).
Average wind speed in August
Hooper, IL
- Average wind speed in August: 6.2mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in August
Hooper, IL
- Average humidity in August: 84%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall in August
Hooper, IL
- Average rainfall in August: 1.77"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is February (0.98").
Average rainfall days in August
Hooper, IL
- Average rainfall days in August: 13.2 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (6.2 days).
Average snowfall in August
Hooper, IL
- Average snowfall in August: 0"
The month with the highest snowfall is January (2.56").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Hooper, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (10.5 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
Hooper, 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 42min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in August
Hooper, IL
- Average sunshine days in August: 13.3 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (10.1 days).
Average UV index in August
Hooper, 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
Hooper, IL
- Average cloud cover in August: 33
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 33).
Average visibility in August
Hooper, 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).





