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
Oswego notes an average high-temperature of a still warm 79.3°F (26.3°C) in August, displaying minor variation from July. Oswego encounters an average low-temperature of 62.4°F (16.9°C) during August nights.Humidity
The months with the highest humidity in Oswego are January, February, July and August, with an average relative humidity of 83%.Rainfall
In Oswego, in August, it is raining for 15 days, with typically 1.77" (45mm) of accumulated precipitation. Throughout the year, there are 133.1 rainfall days, and 16.93" (430mm) of precipitation is accumulated.Snowfall
In Oswego, snow does not fall in May through September.Daylight
In Oswego, the average length of the day in August is 13h and 48min.On the first day of August in Oswego, sunrise is at 5:48 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:19 am and sunset at 7:27 pm CDT.
Sunshine
The average sunshine in August in Oswego 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 moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high UV index of 5 in August translates into the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Oswego in August?
What are the most humid months in Oswego?
What is the average humidity in August in Oswego?
How many days does it rain in August in Oswego?
When it does not snow in Oswego?
How many hours of daylight does Oswego have in August?
When are sunrise and sunset in August in Oswego?
How many hours of sunshine does Oswego have in August?
How high is the UV index in August in Oswego?
Average temperature in August
Oswego, IL
- Average high temperature in August: 79.3°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in August: 62.4°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).
Average pressure in August
Oswego, IL
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Oswego, IL
- Average wind speed in August: 6mph
The windiest month (with the highest average wind speed) is April (9.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in August
Oswego, IL
- Average humidity in August: 83%
The months with the highest relative humidity are January, February, July and August (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in August
Oswego, IL
- Average rainfall in August: 1.77"
The wettest month (with the highest rainfall) is June (2.24").
The driest months (with the least rainfall) are November and December (0.75").
Average rainfall days in August
Oswego, IL
- Average rainfall days in August: 15 days
The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in August
Oswego, IL
- Average snowfall in August: 0"
The month with the highest snowfall is January (1.73").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Oswego, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (10.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Oswego, 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 4min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in August
Oswego, IL
- Average sunshine days in August: 11.6 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (10.2 days).
Average UV index in August
Oswego, 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
Oswego, IL
- Average cloud cover in August: 33
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility in August
Oswego, 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).
Oswego, Illinois, USA
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