Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
August's commencement is accompanied by an average high-temperature of a still moderately hot 78.3°F (25.7°C), diverging marginally from July's 79.9°F (26.6°C). The low-temperature averages to an enjoyable 61°F (16.1°C) during the nights of August.Humidity
In Oregon, the average relative humidity in August is 84%.Rainfall
In Oregon, in August, it is raining for 15.2 days, with typically 1.93" (49mm) of accumulated precipitation. Throughout the year, there are 141.2 rainfall days, and 20.31" (516mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In Oregon, the average length of the day in August is 13h and 49min.On the first day of the month, sunrise is at 5:51 am and sunset at 8:15 pm. On the last day of August, sunrise is at 6:22 am and sunset at 7:32 pm CDT.
Sunshine
In August, the average sunshine in Oregon is 9.4h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index in Oregon. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 5 in August leads to these recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average August temperature?
What is the average humidity in August?
How many days does it rain in August?
When it does not snow?
What is the average length of the day in August?
When is the sunrise / sunset in August?
How many hours of sunshine does Oregon have in August?
What is the month with the highest UV index?
What is the UV index reading in August?
Average temperature in August
Oregon, IL
- Average high temperature in August: 78.3°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 (26.8°F).
- Average low temperature in August: 61°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (14.2°F).
Average pressure in August
Oregon, IL
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in August
Oregon, IL
- Average wind speed in August: 6.4mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in August
Oregon, 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 (74%).
Average rainfall in August
Oregon, IL
- Average rainfall in August: 1.93"
The wettest month (with the highest rainfall) is June (2.91").
The driest months (with the least rainfall) are January and February (0.94").
Average rainfall days in August
Oregon, IL
- Average rainfall days in August: 15.2 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (4.6 days).
Average snowfall in August
Oregon, IL
- Average snowfall in August: 0"
The month with the highest snowfall is January (2.48").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Oregon, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (12.2 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
Oregon, IL
- Average daylight in August: 13h and 5min
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 12min).
- Average sunshine in August: 9h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in August
Oregon, IL
- Average sunshine days in August: 12.7 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is June (10.4 days).
Average UV index in August
Oregon, IL
- Average UV index in August: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in August
Oregon, IL
- Average cloud cover in August: 35
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 34).
Average visibility in August
Oregon, IL
- Average visibility in August: 5mi
The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).
Oregon, Illinois, USA
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