Monthly weather forecast and climate
Ottawa, Canada

A view of The Parliament Hill from the Ottawa River in Ottawa, Canada
A view of The Parliament Hill from the Ottawa River in Ottawa, Canada

What is the coldest month in Ottawa?

The coldest month is January, with an average high-temperature of -5.8°C (21.6°F) and an average low-temperature of -14.8°C (5.4°F).

How many days does it rain in Ottawa?

Throughout the year, in Ottawa, Canada, there are 118.4 rainfall days, and 758.4mm (29.9") of precipitation is accumulated.

When does it snow in Ottawa?

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

How much does it snow in Ottawa?

Throughout the year, in Ottawa, Canada, there are 63.3 snowfall days, and 2234mm (88") of snow is accumulated.

What is the snowiest month in Ottawa?

The month with the most snowfall in Ottawa is January when snow falls for 16.1 days and typically aggregates up to 539mm (21.2") of snow.

What is the driest month in Ottawa?

The month with the least rainfall in Ottawa, Canada, is February when the rain falls for 3.9 days and typically collects 18.7mm (0.7") of precipitation.

What is the rainiest month in Ottawa?

June is the month with the most rainfall in Ottawa, Canada. Rain falls for 13.2 days and accumulates 92.8mm (3.7") of precipitation.

What is the warmest month in Ottawa?

With an average high-temperature of 26.5°C (79.7°F) and an average low-temperature of 15.5°C (59.9°F), July is the warmest month.
Average temperature - Ottawa, Canada
Average humidity - Ottawa, Canada
Average rainfall - Ottawa, Canada

The wettest month (with the highest rainfall) is June (92.8mm).
The driest month (with the lowest rainfall) is February (18.7mm).

Average rainfall days - Ottawa, Canada

The month with the highest number of rainy days is October (13.7 days).
The month with the lowest number of rainy days is February (3.9 days).

Average snowfall - Ottawa, Canada
Average snowfall days - Ottawa, Canada

The month with the highest number of snowfall days is January (16.1 days).
Months with the lowest number of snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine - Ottawa, Canada
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