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Grimsby Weather in August
In Grimsby, August brings high daytime temperatures around 26°C (79°F), with nights cooling to 19°C (66°F). Expect quite a bit of rainfall this month.
Rainfall in Grimsby in August
Historically, approximately 10 days this month are expected to have rain, averaging 76 mm (3 in). Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Grimsby in August
The excellent temperature in Grimsby in August makes it a solid month to visit, with 26°C (79°F) during the day and 19°C (66°F) at night. During August, the summer season is in full swing. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. At 19°C (66°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.
Sunshine in Grimsby in August
Expect sunny days throughout the month, with an estimated 263 hours of sunshine. This makes it a pleasant time to visit Grimsby.If you favor pleasant temperatures and minimal rainfall, August is one of the best months to visit Grimsby.
Grimsby Temperature in August
Min Temperature
19°C (66°F)
Max Temperature
26°C (79°F)
Chance of Rain
34%
Precipitation
76 mm (3 in)
Rainy days
10 days
Sunshine
263 hours *
Percentage Sunshine
61% *
* Data from: Hamilton, Canada (26 KM, 16 Miles).
Grimsby Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Grimsby - 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 Grimsby 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). Rain is likely on several days, so bring a good rain jacket. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in Grimsby 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
Grimsby 3-Day Forecast
More climate data for Grimsby
See the full Grimsby climate overview or explore weather in Canada.
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Where to go in August - average daytime high across popular destinations.
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