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Summerside weather in August 2026
Expect daytime maximum temperatures of 23°C in Summerside, Prince Edward Island in August based on long-term weather averages. There are 8 hours of sunshine per day on average with 12 days with some rainfall and typically 87 mm of rainfall in the month.
- 23°C max day temperature
23 - 8 hours of sunshine per day
- 12 days with some rainfall
12 - 14°C min night temperature
14 - 14 hours of daylight per day
14 - No heat & humidity
0 - 87 mm of monthly rainfall
87 - 7 (High) UV index
7 - 18°C sea temperature
18
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Recommended for Prince Edward Island
The August weather guide for Prince Edward Island (Summerside) 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.
Metric (°C / mm) | Imperial (°F / inches)
More about Canada
How hot is it in Summerside in August?
Daytime temperatures usually reach 23°C in Summerside in August, falling to 14°C at night.
How sunny is it in Summerside in August?
There are normally 8 hours of bright sunshine each day in Summerside in August - that's 55% of daylight hours.
How warm is the sea around Summerside in August?
The average sea temperature around Summerside in August is 18°C.
Does it rain in Summerside in August?
There are usually 12 days with some rain in Summerside in August and the average monthly rainfall is 87mm.
Summerside August sunrise & sunset times
Browse the sunrise and sunset times for Summerside in August 2026. Select a month to view Summerside sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Saturday, 1st August 2026 | 04:56 | 19:46 |
| Sunday, 16th August 2026 | 05:15 | 19:23 |
| Monday, 31st August 2026 | 05:34 | 18:56 |
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