The highest day temperature in March 2025 was 57°F. The lowest night temperature was 18°F. The average values for day and night temperatures during March were 44.1°F и 36.9°F respectivly.

The average sea surface temperature in March 2025 for Dennis Port was 38.1°F. The maximum and minimum values were 34.2°F and 42.6°F respectively.

Most of the days in March are gloomy but you can also expect sunny days.

Precipitation total in March for Dennis Port is 1.0 in. This value is relatively stable throughout the year.

The average wind speed in March is 13.9 mph. It makes March one of the most windy months of the year for Dennis Port.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Dennis Port in March is 5.6 hours.