Prince Edward Island weather in August 2025

Expect 23°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Prince Edward Island in August based on long-term weather averages. There is usually 12 days with some rainfall and 89 mm of average monthly rainfall in August.

• 23
  23°C max day temperature
• 7
  7 hours of sunshine per day
• 12
  12 days with some rainfall
• 14
  14°C min night temperature
• 14
  14 hours of daylight per day
• 0
  No heat & humidity
• 89
  89 mm of monthly rainfall
• 7
  7 (High) UV index
• 18
  18°C sea temperature

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Prince Edward Island by month

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The August weather guide for Prince Edward Island (Charlottetown) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Top Prince Edward Island destinations

Below are average maximum temperatures at popular countries, regions and places in Prince Edward Island in August. Select a holiday destination to see more weather parameters.

• 23
  Charlottetown
• 23
  Summerside

All Prince Edward Island destinations

• Charlottetown
• Summerside

Metric (°C / mm)  |  Imperial (°F / inches)

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Prince Edward Island August sunrise & sunset times

Browse the sunrise and sunset times for Prince Edward Island in August 2025. Select a month to view Prince Edward Island sunrise and sunset times for the next 12 months. The Prince Edward Island sunrise and sunset times shown below are for Charlottetown.

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