Monthly weather forecast and climate
Grand Bank, Canada

In Grand Bank, the average high-temperature is -0.5°C (31.1°F), and the average low-temperature is -7.7°C (18.1°F). The month with the least rainfall is January when 75.4mm (3") of precipitation is typically aggregated.
Weather in January »
February is the coldest month, with an average high-temperature of -0.6°C (30.9°F) and an average low-temperature of -8.2°C (17.2°F). Throughout February, in Grand Bank, 77.3mm (3") of precipitation is accumulated.
Weather in February »
In March, the average high-temperature is 2°C (35.6°F), and the average low-temperature is -5.4°C (22.3°F). In Grand Bank, in March, 92.3mm (3.6") of precipitation is typically accumulated.
Weather in March »
The average high-temperature, in April, is 6.5°C (43.7°F), while the average low-temperature is -1.1°C (30°F). Throughout April, 113.6mm (4.5") of precipitation is accumulated.
Weather in April »
In Grand Bank, the average high-temperature is 12.2°C (54°F), and the average low-temperature is 2.5°C (36.5°F). During May, Grand Bank regularly aggregates up to 111.9mm (4.4") of precipitation.
Weather in May »
In June, in Grand Bank, the average high-temperature is 16.4°C (61.5°F), and the average low-temperature is 6.4°C (43.5°F). During June, Grand Bank regularly aggregates up to 112.1mm (4.4") of precipitation.
Weather in June »
In July, in Grand Bank, the average high-temperature is 20.6°C (69.1°F), and the average low-temperature is 11°C (51.8°F). Throughout July, 92.3mm (3.6") of precipitation is accumulated.
Weather in July »
The warmest month is August, with an average high-temperature of 21.1°C (70°F) and an average low-temperature of 12°C (53.6°F). In Grand Bank, 87.3mm (3.4") of precipitation is typically accumulated.
Weather in August »
In Grand Bank, the average high-temperature is 17.4°C (63.3°F), and the average low-temperature is 8.9°C (48°F). Throughout September, 143.5mm (5.6") of precipitation is accumulated.
Weather in September »
The average high-temperature, is 11.7°C (53.1°F), while the average low-temperature is 4.1°C (39.4°F). The month with the most rainfall in Grand Bank is October when 152.4mm (6") of precipitation is typically aggregated.
Weather in October »
The average high-temperature, in November, is 6.7°C (44.1°F), while the average low-temperature is 0.3°C (32.5°F). During November, Grand Bank regularly aggregates up to 131.9mm (5.2") of precipitation.
Weather in November »
In Grand Bank, the average high-temperature is 2°C (35.6°F), and the average low-temperature is -4.1°C (24.6°F). During December, Grand Bank regularly aggregates up to 90.8mm (3.6") of precipitation.
Weather in December »

How much does it rain in Grand Bank?

Throughout the year, in Grand Bank, Canada, 1280.8mm (50.4") of rain is accumulated.

What is the driest month in Grand Bank?

January is the month with the least rainfall in Grand Bank, with 75.4mm (3") of accumulated precipitation.

What is the coldest month in Grand Bank?

The coldest month is February, with an average high-temperature of -0.6°C (30.9°F) and an average low-temperature of -8.2°C (17.2°F).

When is the sea coldest in Grand Bank?

With an average sea temperature of 0.8°C (33.4°F), March is the month with the coldest seawater in Grand Bank, Canada. For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.

When are the longest days in Grand Bank?

June has the longest days of the year, with an average of 15.9h of daylight.

What is the warmest month in Grand Bank?

August is the warmest month, with an average high-temperature of 21.1°C (70°F) and an average low-temperature of 12°C (53.6°F).

What is the month with the warmest sea water in Grand Bank?

The month with the warmest seawater in Grand Bank, Canada, is August, with an average sea temperature of 15.2°C (59.4°F). For swimming, a surface water temperature of 15.2°C (59.4°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

What is the wettest month in Grand Bank?

October is the month with the most rainfall in Grand Bank, with 152.4mm (6") of accumulated precipitation.

What is the month with the shortest days in Grand Bank?

The month with the shortest days in Grand Bank is December, with an average of 8.6h of daylight.
Average temperature - Grand Bank, Canada
Average rainfall - Grand Bank, Canada

The wettest month (with the highest rainfall) is October (152.4mm).
The driest month (with the lowest rainfall) is January (75.4mm).

Average sea temperature - Grand Bank, Canada

The best month for swimming (with the highest average sea temperature) is August (15.2°C).
The coldest month (with the lowest average sea temperature) is March (0.8°C).

Average daylight - Grand Bank, Canada

The month with the longest days is June (Average daylight: 15.9h).
The month with shortest days is December (Average daylight: 8.6h).

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