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Saint Marys Weather in October
October in Saint Marys brings moderate temperatures, with daytime highs of 15°C (59°F) and nights around 5°C (41°F). Quite a bit of rainfall is expected, around 94 mm (3.7 in), so pack an umbrella.
Rainfall in Saint Marys in October
Expect around 13 days of rain based on historical data, with 94 mm (3.7 in) average. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.
Temperature in Saint Marys in October
Daytime highs in Saint Marys in October reach 15°C (59°F), with nights around 5°C (41°F). The difference between afternoon and evening temperatures is usually noticeable. With overnight lows of 5°C (41°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.If you prefer enjoying temperate temperatures and rain-free days, August and September typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Saint Marys Temperature in October
Min Temperature
5°C (41°F)
Max Temperature
15°C (59°F)
Chance of Rain
43%
Precipitation
94 mm (3.7 in)
Rainy days
13 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 October
Find out more about the weather in Canada and which places have the best travel conditions in this month. See all of Canada in October →
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 October
The weather can be unpredictable in October, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho.
What To Do in Saint Marys in October
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling6/10 -
Walking6/10 -
Barbeque5/10 -
Camping4/10 -
Outdoor sports9/10
Saint Marys 3-Day Forecast
More climate data for Saint Marys
See the full Saint Marys climate overview or explore weather in Canada.
Popular in October
Where to go in October - average daytime high across popular destinations.
Toronto
16°C (61°F) Niagara Falls15°C (59°F) Montréal14°C (57°F) Ottawa14°C (57°F) Vancouver
14°C (57°F) Quebec City12°C (54°F) Calgary
12°C (54°F) Whistler7°C (45°F) Bucket list
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The 5 most beautiful lakes in Canada
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