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Alliston Weather in August
Alliston in August averages 26°C (79°F) during the day and 14°C (57°F) at night. This is part of the summer season, and quite a bit of rainfall is expected this month.
Rainfall in Alliston in August
Expect around 11 days of rain based on historical data, with 83 mm (3.3 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 Alliston in August
August is one of the better months to visit Alliston. Expect 26°C (79°F) during the day and 14°C (57°F) at night. During August, the summer season is in full swing. This kind of day-to-night contrast is typical for this time of year. Nights drop to around 14°C (57°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.
Sunshine in Alliston in August
The month enjoys around 276 hours of sunshine, creating mostly sunny days with good weather conditions.If you favor pleasant temperatures and minimal rainfall, August is one of the best months to visit Alliston.
Alliston Temperature in August
Min Temperature
14°C (57°F)
Max Temperature
26°C (79°F)
Chance of Rain
35%
Precipitation
83 mm (3.3 in)
Rainy days
11 days
Humidity
56% *
Sunshine
276 hours *
Percentage Sunshine
64% *
* Data from: Mississauga, Canada (65 KM, 40 Miles).
Alliston Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Alliston - 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 Alliston in August
Warm temperatures in August make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in Alliston in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming9/10 -
Cycling7/10 -
Walking7/10 -
Camping8/10 -
Outdoor sports7/10
Alliston 3-Day Forecast
More climate data for Alliston
Temperature Rainfall Sunshine Humidity
See the full Alliston climate overview or explore weather in Canada.
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