Mount Vernon Weather in March

The climate in Mount Vernon during March can be summarized as mild and a little damp.

March is in the spring in Mount Vernon and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a cool 19°C (67°F), whilst at night 6°C (43°F) is normal.

On average March is the 5th wettest month of the year in Mount Vernon with around 99mm 3.9 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 Mount Vernon in March 2025.