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Cornwall Weather in July
July is one of the excellent months to visit Cornwall, with daytime temperatures of 27°C (81°F) and lows of 16°C (61°F) at night. Do note that quite a bit of rainfall is typical, averaging around 91 mm (3.6 in).
Rainfall in Cornwall in July
Rain is expected on roughly 13 days, totalling around 91 mm (3.6 in) for the month. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.
Temperature in Cornwall in July
Cornwall in July has excellent weather. Days reach 27°C (81°F) and nights cool to 16°C (61°F). July is part of summer. Overall, the month follows a fairly predictable daily temperature pattern. With lows of 16°C (61°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest. This month tends to be the warmest of the year. Light, comfortable clothing will serve you well.If you favor pleasant temperatures and minimal rainfall, July is one of the best months to visit Cornwall.
Cornwall Temperature in July
Min Temperature
16°C (61°F)
Max Temperature
27°C (81°F)
Chance of Rain
43%
Precipitation
91 mm (3.6 in)
Rainy days
13 days
Cornwall Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Cornwall - and find the best time to visit.
Best Places in Canada in July
Find out more about the weather in Canada and which places have the best travel conditions in this month. See all of Canada in July →
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 Cornwall in July
Warm but pleasant conditions in Cornwall in July. 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.
What To Do in Cornwall in July
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
Cornwall 3-Day Forecast
More climate data for Cornwall
See the full Cornwall climate overview or explore weather in Canada.
Popular in July
Where to go in July - average daytime high across popular destinations.
Niagara Falls
27°C (81°F) Montréal28°C (82°F) Ottawa27°C (81°F) Quebec City
26°C (79°F) Toronto26°C (79°F) Calgary24°C (75°F) Vancouver22°C (72°F) Whistler
19°C (66°F) Bucket list
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