Monthly weather forecast and climate
Prince Rupert, Canada

What are the coldest months in Prince Rupert?

January and December, with an average high-temperature of 4°C (39.2°F), are the coldest months in Prince Rupert, Canada.

How many days does it rain in Prince Rupert?

Throughout the year, in Prince Rupert, there are 246 rainfall days, and 3019mm (118.9") of precipitation is accumulated.

When is the sea coldest in Prince Rupert?

January through April and December, with an average sea temperature of 7°C (44.6°F), are months with the coldest seawater in Prince Rupert, Canada. At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

What are the warmest months in Prince Rupert?

Warmest months are July and August, with an average high-temperature of 16°C (60.8°F).

What is the driest month in Prince Rupert?

The month with the least rainfall is July when the rain falls for 18 days and typically collects 116mm (4.6") of precipitation.

When is the sea warmest in Prince Rupert?

Months with the warmest seawater in Prince Rupert, Canada, are July and August, with an average sea temperature of 13°C (55.4°F). Swimming in 13°C (55.4°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

What is the wettest month in Prince Rupert?

The month with the most rainfall in Prince Rupert, Canada, is October when the rain falls for 25 days and typically aggregates up to 438mm (17.2") of precipitation.
Average rainfall - Prince Rupert, Canada

The wettest month (with the highest rainfall) is October (438mm).
The driest month (with the lowest rainfall) is July (116mm).

Average rainfall days - Prince Rupert, Canada

The month with the highest number of rainy days is October (25 days).
Months with the lowest number of rainy days are June, July and August (18 days).

Average sea temperature - Prince Rupert, Canada

Best months for swimming (with the highest average sea temperature) are July and August (13°C).
Coldest months (with the lowest average sea temperature) are January, February, March, April and December (7°C).

Average daylight / Average sunshine - Prince Rupert, Canada
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