Port Arthur Weather in March

The climate in Port Arthur during March can be summarized as mild and a little damp.

March is in the spring in Port Arthur and is typically the 4th coldest month of the year. Daytime maximum temperatures average around 22°C (71°F), whilst at night 11°C (52°F) is normal.

On average March is the driest month of the year in Port Arthur with around 81mm 3.2 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.

On the flip side this corresponds to an average of 6.6 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 Port Arthur in March 2025.