Gretna Weather in March

The climate in Gretna during March can be summarized as mild and wet.

March is in the spring in Gretna and is typically the 5th coldest month of the year. Daytime maximum temperatures average around 22°C (71°F), whilst at night 12°C (53°F) is normal.

On average March is the 4th driest month of the year in Gretna with around 125mm 4.9 inches of rain making it a wet 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 7.7 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 Gretna in March 2025.