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Grimsby Weather in October
Grimsby in October sees moderate daytime temperatures of 16°C (61°F) and nighttime lows of 9°C (48°F). Rainfall is fairly high this month at around 93 mm (3.7 in), so pack a rain jacket to stay dry.
Rainfall in Grimsby in October
Looking at the last 30 years, the data shows about 11 days with rain, averaging 93 mm (3.7 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Grimsby in October
In October, Grimsby sees moderate temperatures, with highs of 16°C (61°F). Nights drop to around 9°C (48°F). Conditions are often most pleasant around the middle of the day. Nights fall to 9°C (48°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.
Sunshine in Grimsby in October
The city usually sees around 147 hours of sunlight, indicating a moderately sunny period.Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July, August and September typically offer the best weather for Grimsby.
Grimsby Temperature in October
Min Temperature
9°C (48°F)
Max Temperature
16°C (61°F)
Chance of Rain
37%
Precipitation
93 mm (3.7 in)
Rainy days
11 days
Sunshine
147 hours *
Percentage Sunshine
44% *
* 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 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 Grimsby in October
The weather can swing between comfortable and chilly in October, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Expect heavy rainfall, so bring good rain protection and waterproof bags. Sunglasses could come in handy during the sunnier parts of your trip.
What To Do in Grimsby in October
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming5/10 -
Cycling6/10 -
Walking6/10 -
Camping4/10 -
Outdoor sports9/10
Grimsby 3-Day Forecast
More climate data for Grimsby
See the full Grimsby 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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