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Grand Manan Island Weather in October
Grand Manan Island in October averages 13°C (55°F) during the day and 9°C (48°F) at night. Keep in mind that quite a bit of rainfall is expected this month.
Rainfall in Grand Manan Island in October
You can expect rain on roughly 12 days based on historical data, averaging 138 mm (5.4 in) for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Grand Manan Island in October
Expect highs of 13°C (55°F) in Grand Manan Island in October, with nights dropping to around 9°C (48°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With lows around 9°C (48°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.If you prefer dry days with pleasant temperatures, October may not be the ideal month to visit Grand Manan Island. Our weather planner can help you explore destinations with more pleasant weather conditions.
Grand Manan Island Temperature in October
Min Temperature
9°C (48°F)
Max Temperature
13°C (55°F)
Chance of Rain
38%
Precipitation
138 mm (5.4 in)
Rainy days
12 days
Grand Manan Island Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Grand Manan Island - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Grand Manan Island typically drop from around 16°C (61°F) at the start of October to approximately 11°C (52°F) by the end. Nights are cold, with lows typically ranging from 2°C (36°F) to 7°C (45°F).
Average temperatures in October
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in October
Historical weather records for Grand Manan Island in October
Browse day-by-day weather records for Grand Manan Island spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Grand Manan Island historical weather extremes in October
Based on weather observations in Grand Manan Island between 2001 and 2025, these are the recorded extremes during October.
- The hottest October day on record in Grand Manan Island reached 27°C (81°F) (October 9, 2011).
- Grand Manan Island experienced its chilliest October day on October 30, 2011, reaching only 3°C (37°F).
- Nighttime temperatures dropped to -7°C (19°F) on October 27, 2015, marking the coldest October night on record.
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 Grand Manan Island in October
The weather can be unpredictable in October, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho.
What To Do in Grand Manan Island in October
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling5/10 -
Walking5/10 -
Barbeque4/10 -
Camping3/10 -
Outdoor sports9/10
Grand Manan Island 3-Day Forecast
More climate data for Grand Manan Island
See the full Grand Manan Island 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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