When to visit
Oswego?

Discover the best time of year, based on historical climate, temperature, and precipitation.

Oswego
State of Illinois · United States of America

The best weather in Oswego is from June, August, September.consistent weather climate

Climate score
June
79

Excellent climate

🌦Humid

Temperature
17–28°C
Pleasant nights
Feels like
17–29°C
Comfortable
Precipitation
112mm
Torrential rain · 8 days
Sunshine
11.7h
Partly cloudy
Humidity (%)
63%
Comfortable
Annual Climate Analysis
Temperature, Rain & Feels Like
Rain
Actual Temp
Feels Like
-20°-10°10°20°30°40°JanFebMarAprMayJunJulAugSepOctNovDec
Monthly Overview
Score111622467579707982643112
ClimatePolarPolarColdColdCool & rainyHumidHumidHumidHumidMildColdCold
Temperature-6–1°C-6–3°C0–11°C4–16°C11–22°C17–28°C19–29°C18–28°C15–25°C9–18°C2–11°C-3–5°C
Feels like-11–-4°C-11–-2°C-4–7°C1–13°C9–21°C17–29°C20–31°C19–30°C14–25°C6–15°C-2–7°C-7–1°C
Precipitation69mm
12 days
49mm
8 days
100mm
10 days
110mm
12 days
121mm
10 days
112mm
8 days
144mm
10 days
94mm
9 days
97mm
7 days
98mm
9 days
49mm
7 days
63mm
7 days
Sunshine3.6h
☀︎ 38%
7.3h
☀︎ 69%
6.9h
☀︎ 57%
8.2h
☀︎ 62%
9.6h
☀︎ 66%
11.7h
☀︎ 77%
11.4h
☀︎ 77%
11.5h
☀︎ 83%
9.6h
☀︎ 77%
7.8h
☀︎ 70%
6.3h
☀︎ 64%
4.1h
☀︎ 45%
WindW · 21 km/hW · 22 km/hSW · 23 km/hSW · 24 km/hSE · 21 km/hS · 21 km/hW · 17 km/hSW · 17 km/hS · 19 km/hSW · 22 km/hSW · 22 km/hW · 21 km/h
Humidity (%)78%70%68%66%67%63%73%73%69%68%69%73%
Day length9.6h10.6h12.0h13.4h14.5h15.1h14.8h13.8h12.5h11.1h9.8h9.2h

Frequently asked questions

What is the best time to visit Oswego?

The best time to visit Oswego is May, July, September, June, August, with temperatures between 11 °C and 29 °C. The best month is May. May is shoulder season.

What is the weather like in Oswego?

Oswego has a climate with an overall score of 4.9/10. Annual temperatures range from -6 °C to 29 °C.

What is the hottest month in Oswego?

The hottest month in Oswego is July, with average highs of 29 °C and lows of 19 °C.

What is the rainiest month in Oswego?

The rainiest month in Oswego is July, with an average of 144 mm of precipitation.