The highest day temperature in March 2026 was 56°F. The lowest night temperature was -13°F. The average values for day and night temperatures during March were 28.6°F и 21.3°F respectivly.

The average sea surface temperature in March 2026 for Summerside was 28.6°F. The maximum and minimum values were 26.4°F and 34.6°F respectively.

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

Precipitation total in March for Summerside is 1.5 in. It makes march one of the most rainy months of the year.

The average wind speed in March is 13.7 mph. It makes March one of the most windy months of the year for Summerside.

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 Summerside in March is 4.3 hours.