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Grand Manan Island Weather in June
June in Grand Manan Island averages 15°C (59°F) during the day and 10°C (50°F) at night. Quite a bit of rainfall is typical this month, with around 121 mm (4.8 in) on average. An umbrella is a good idea.
Rainfall in Grand Manan Island in June
Historically, the month has about 13 days of rain, averaging 121 mm (4.8 in) in total. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Grand Manan Island in June
Expect highs of 15°C (59°F) in Grand Manan Island in June, with nights dropping to around 10°C (50°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With lows of 10°C (50°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.If you prefer enjoying temperate temperatures and rain-free days, July and August typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Grand Manan Island Temperature in June
Min Temperature
10°C (50°F)
Max Temperature
15°C (59°F)
Chance of Rain
42%
Precipitation
121 mm (4.8 in)
Rainy days
13 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 rise from around 17°C (63°F) at the start of June to approximately 22°C (72°F) by the end. Nights are cool, with lows typically ranging from 7°C (45°F) to 12°C (54°F).
Average temperatures in June
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 June
Historical weather records for Grand Manan Island in June
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 June
Based on weather observations in Grand Manan Island between 2001 and 2026, these are the recorded extremes during June.
- The hottest June day on record in Grand Manan Island reached 34°C (93°F) (June 15, 2001).
- On June 3, 2023, Grand Manan Island saw its coldest June day with temperatures maxing out at 7°C (45°F).
- Nighttime temperatures dropped to -1°C (30°F) on June 4, 2018, marking the coldest June night on record.
Best Places in Canada in June
Find out more about the weather in Canada and which places have the best travel conditions in this month. See all of Canada in June →
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 June
The weather can be unpredictable in June, 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 June
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling5/10 -
Walking5/10 -
Camping6/10 -
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 June
Where to go in June - average daytime high across popular destinations.
Montréal
25°C (77°F) Niagara Falls
25°C (77°F) Ottawa25°C (77°F) Quebec City
23°C (73°F) Toronto22°C (72°F) Calgary20°C (68°F) Vancouver19°C (66°F) Whistler15°C (59°F) Bucket list
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