August weather forecastLeonore, IL
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Leonore, Illinois, with an average temperature fluctuating between 79.7°F (26.5°C) and 62.2°F (16.8°C).Temperature
August denotes a minimal variation in the average high-temperature to a still moderately hot 79.7°F (26.5°C) from July's 81°F (27.2°C). An average nighttime temperature of 62.2°F (16.8°C) is witnessed in Leonore throughout August.Humidity
In August, the average relative humidity is 84%.Rainfall
In Leonore, in August, it is raining for 16.4 days, with typically 2.28" (58mm) of accumulated precipitation. In Leonore, Illinois, during the entire year, the rain falls for 145 days and collects up to 25.08" (637mm) of precipitation.Snowfall
In Leonore, snow does not fall in May through September.Daylight
In Leonore, 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 8:12 pm. On the last day of August, sunrise is at 6:22 am and sunset at 7:29 pm CDT.
Sunshine
In Leonore, the average sunshine in August is 9.8h.UV index
In August, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 5 during August translates into the following guidance:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Leonore, IL
- Average high temperature in August: 79.7°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.5°F).
- Average low temperature in August: 62.2°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 (17.8°F).
Average pressure in August
Leonore, 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 (29.92"Hg).
Average wind speed in August
Leonore, IL
- Average wind speed in August: 6.2mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in August
Leonore, 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 (72%).
Average rainfall in August
Leonore, IL
- Average rainfall in August: 2.28"
The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is December (1.18").
Average rainfall days in August
Leonore, IL
- Average rainfall days in August: 16.4 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in August
Leonore, IL
- Average snowfall in August: 0"
The month with the highest snowfall is February (3.27").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Leonore, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (11.8 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
Leonore, 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: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in August
Leonore, IL
- Average sunshine days in August: 11.1 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is July (9.2 days).
Average UV index in August
Leonore, IL
- 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 and December (UV index 1).
Average cloud cover in August
Leonore, IL
- Average cloud cover in August: 32
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 32).
Average visibility in August
Leonore, 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).





