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Guelph Weather in August
August in Guelph averages 26°C (79°F) during the day and 14°C (57°F) at night. Quite a bit of rainfall is typical this month, with around 81 mm (3.2 in) on average. An umbrella is a good idea.
Rainfall in Guelph in August
Historically, the month has about 11 days of rain, averaging 81 mm (3.2 in) in total. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Guelph in August
August is a good time to be in Guelph. Days are excellent, reaching 26°C (79°F), with nights around 14°C (57°F). During August, you'll experience the summer season. Overall, the month follows a fairly predictable daily temperature pattern. 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.
Sunshine in Guelph in August
There are approximately 263 hours of sunshine this month, resulting in mostly clear days.If you favor pleasant temperatures and minimal rainfall, August is one of the best months to visit Guelph.
Guelph Temperature in August
Min Temperature
14°C (57°F)
Max Temperature
26°C (79°F)
Chance of Rain
36%
Precipitation
81 mm (3.2 in)
Rainy days
11 days
Sunshine
263 hours *
Percentage Sunshine
61% *
* Data from: Hamilton, Canada (44 KM, 27 Miles).
Guelph Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Guelph - 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 Guelph in August
Warm but pleasant conditions in Guelph in August. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in Guelph 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
Guelph 3-Day Forecast
More climate data for Guelph
See the full Guelph climate overview or explore weather in Canada.
Popular in August
Where to go in August - average daytime high across popular destinations.
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