August weather forecastOakley, IL
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Oakley, Illinois, with an average temperature varying between 81.1°F (27.3°C) and 63.7°F (17.6°C).Temperature
August reports an average high-temperature of a still moderately hot 81.1°F (27.3°C), slightly varied from July's 82°F (27.8°C). The nighttime temperature in Oakley dips to a comfortable 63.7°F (17.6°C) on average during August.Heat index
August's mean heat index is calculated to be a tropical 87.8°F (31°C). If one endures exposure and continues to be active, it might result in tiredness and heat cramps.Know that the heat index computations account for shaded terrains and slight winds. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a composite of temperature and humidity figures to convey how warm it feels. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
Humidity
The average relative humidity in August in Oakley is 82%.Rainfall
In August, the rain falls for 14.8 days. Throughout August, 2.32" (59mm) of precipitation is accumulated. In Oakley, during the entire year, the rain falls for 147.7 days and collects up to 24.61" (625mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In August, the average length of the day is 13h and 41min.On the first day of the month, sunrise is at 5:54 am and sunset at 8:08 pm. On the last day of August, sunrise is at 6:22 am and sunset at 7:27 pm CDT.
Sunshine
In Oakley, the average sunshine in August is 9.8h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 6 in August translates into this advice:
Inhibit overexposure. Warding off sun damage is of utmost importance. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Oakley, IL
- Average high temperature in August: 81.1°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in August: 63.7°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).
Average pressure in August
Oakley, IL
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Oakley, IL
- Average wind speed in August: 6.3mph
The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in August
Oakley, 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 (70%).
Average rainfall in August
Oakley, IL
- Average rainfall in August: 2.32"
The wettest month (with the highest rainfall) is April (2.95").
The driest month (with the least rainfall) is December (1.38").
Average rainfall days in August
Oakley, IL
- Average rainfall days in August: 14.8 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (7 days).
Average snowfall in August
Oakley, IL
- Average snowfall in August: 0"
The month with the highest snowfall is January (2.72").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Oakley, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (9.3 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
Oakley, IL
- Average daylight in August: 13h and 42min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in August: 9h and 48min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in August
Oakley, IL
- Average sunshine days in August: 12.8 days
The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in August
Oakley, 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
Oakley, IL
- Average cloud cover in August: 31
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are June and September (Cloud cover 30).
Average visibility in August
Oakley, 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).
