The highest day temperature in July 2026 was 86°F. The lowest night temperature was 52°F. The average values for day and night temperatures during July were 75.2°F и 62.0°F respectivly.

The average sea surface temperature in July 2026 for Summerside was 69.2°F. The maximum and minimum values were 63.2°F and 73.6°F respectively.

You can expect various weather conditions during July. Be ready for sunny, cloudy or even gloomy days.

Precipitation total in July for Summerside is 1.3 in. It makes july one of the most rainy months of the year.

The average wind speed in July is 10.8 mph. It makes July the most windless month 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 July is 8.1 hours.