Oswego Weather in March

The climate in Oswego during March can be summarized as cool and a little damp.

March is in the spring in Oswego and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a cool 15°C (59°F), whilst at night 2°C (35°F) is normal.

On average March is the 5th driest month of the year in Oswego with around 84mm 3.3 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.5 hours of sunshine per day.

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Oswego in March 2025.