Oswego Weather in August

During August, Oswego experiences high daytime temperatures of 28°C (82°F) and cooler nights around 17°C (63°F). As part of the summer season, expect quite a bit of rainfall. Around 119 mm (4.7 in) is typical.

Rainfall in Oswego in August

You can expect rain on around 10 days based on historical patterns, with 119 mm (4.7 in) average for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Oswego in August

Expect highs of 28°C (82°F) in Oswego in August, with nights dropping to around 17°C (63°F). August is part of the summer season. Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights drop to around 17°C (63°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Oswego in August

The month enjoys around 280 hours of sunshine, creating mostly sunny days with good weather conditions.

For Oswego itself, September generally stands out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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For a detailed overview over the year and the best time to visit the United States of America, check out our Oswego's climate page.

Oswego Temperature in August

Min Temperature 17°C (63°F)  

Max Temperature 28°C (82°F)  

Chance of Rain 33%  

Precipitation 119 mm (4.7 in)  

Rainy days 10 days  

Humidity 71% *  

Sunshine 280 hours *  

Percentage Sunshine 66% *  

* Data from: Chicago, the United States of America (50 KM, 31 Miles).

What to Wear in Oswego in August

Warm temperatures in August make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Oswego in August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Oswego's climate page.

More climate data for Oswego

Temperature Rainfall Sunshine Humidity

See the full Oswego climate overview or explore weather in the United States of America.