Monthly weather forecast and climate
St. John's, Canada

How much does it rain in St. John's?

In St. John's, during the entire year, the rain falls for 162.7 days and collects up to 1206.5mm (47.5") of precipitation.

When does it snow in St. John's?

January through June, October through December are months with snowfall.

How many days does it snow in St. John's?

In St. John's, during the entire year, snow falls for 79 days, and aggregates up to 3349.4mm (131.9") of snow.

When does it snow the most in St. John's?

The month with the most snowfall in St. John's is January when snow falls for 18.3 days and typically aggregates up to 887mm (34.9") of snow.

What is the coldest month in St. John's?

With an average high-temperature of -1.1°C (30°F) and an average low-temperature of -8.6°C (16.5°F), February is the coldest month in St. John's, Canada.

What is the driest month in St. John's?

February is the month with the least rainfall. Rain falls for 8.6 days and accumulates 61.6mm (2.4") of precipitation.

What is the month with the coldest sea water in St. John's?

March is the month with the coldest seawater in St. John's, with an average sea temperature of -0.4°C (31.3°F). 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.

What is the warmest month in St. John's?

The warmest month in St. John's is July, with an average high-temperature of 20.7°C (69.3°F) and an average low-temperature of 10.9°C (51.6°F).

When is the sea warmest in St. John's?

Month with the warmest seawater in St. John's, Canada, is August, with an average sea temperature of 13.9°C (57°F). Swimming in 13.9°C (57°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

What is the wettest month in St. John's?

October is the month with the most rainfall in St. John's. Rain falls for 18.1 days and accumulates 153.7mm (6.1") of precipitation.
Average temperature - St. John
Average rainfall - St. John

The wettest month (with the highest rainfall) is October (153.7mm).
The driest month (with the lowest rainfall) is February (61.6mm).

Average rainfall days - St. John

The month with the highest number of rainy days is October (18.1 days).
The month with the lowest number of rainy days is February (8.6 days).

Average snowfall - St. John
Average snowfall days - St. John

The month with the highest number of snowfall days is January (18.3 days).
Months with the lowest number of snowfall days are July, August and September (0 days).

Average sea temperature - St. John

The best month for swimming (with the highest average sea temperature) is August (13.9°C).
The coldest month (with the lowest average sea temperature) is March (-0.4°C).

Average daylight / Average sunshine - St. John
Average UV index - St. John
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