The temperatures in Oswego in July are comfortable with low of 19°C and and high up to 28°C.
You can expect rain for roughly half of the month of July in Oswego. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Oswego in July 2025.
If you’re planning to visit Oswego in the near future, we highly recommend that you review the 14 day weather forecast for Oswego before you arrive.
Temperatures
28° / 19°
Rainy Days
9
Snowy Days
0
Dry Days
22
Rainfall
178
mm
Sun Hours
10.7
Hrs
