Average temperature in Grand Manan Island
The mean minimum and maximum temperatures over the year in Grand Manan Island (New Brunswick), Canada.
- On average, the warmest month is August with 19°C.
- On average, the coolest month is January with 2°C.
- The average annual maximum temperature is 10°C.
- The average annual minimum temperature is 5°C.
Weather Forecasts for Grand Manan Island
broken clouds and chance of slight rain
broken clouds and no rain
partly cloudy and no rain