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Saint Marys Weather in August
August in Saint Marys typically sees daytime highs of 26°C (79°F) and nighttime lows of 14°C (57°F). Rainfall is also possible this month, so it's worth packing an umbrella. It falls within the summer season.
Rainfall in Saint Marys in August
Typically around 11 days of rainfall are expected, averaging 88 mm (3.5 in) for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Saint Marys in August
Weather in Saint Marys is at its excellent in August. Highs reach 26°C (79°F), while nights settle around 14°C (57°F). August is a notable month of the summer season. This kind of day-to-night contrast is typical for this time of year. Nights cool down to 14°C (57°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Saint Marys Temperature in August
Min Temperature
14°C (57°F)
Max Temperature
26°C (79°F)
Chance of Rain
36%
Precipitation
88 mm (3.5 in)
Rainy days
11 days
Saint Marys Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Saint Marys - and find the best time to visit.
Best Places in Canada in August
Find out more about the weather in Canada and which places have the best travel conditions in this month. See all of Canada in August →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Saint Marys in August
Warm weather calls for comfortable, breathable clothing in August. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho.
What To Do in Saint Marys in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling7/10 -
Walking7/10 -
Camping8/10 -
Outdoor sports7/10
Saint Marys 3-Day Forecast
More climate data for Saint Marys
See the full Saint Marys climate overview or explore weather in Canada.
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