Climate of Ottawa is humid semi-continental, with an extreme range in temperature, from up to 30°C and above to minus 30°C and below during some winters.

Weather in Ottawa is warm and humid in the summer and very cold during the winter. Summers usually have a generous number of warm or hot sunny days, but winters see rather less sun than in the prairie cities of Alberta.

Ottawa lies farther north than Toronto, resulting in significantly colder winters. It has higher summer temperatures, but increased harshness of the winters, with great depths of snow.

Temperatures

Average High Temperatures and Average Low Temperatures for each month, and the range between, are expressed in degrees Celsius (and Fahrenheit):

The range of average temperatures within a year in Ottawa is between -14 and 26 degrees Celsius (5 and 79 Fahrenheit). Highest average temperatures are in July. Lowest average temperatures in Ottawa are in January.

Precipitations

Total Average Precipitation for each month is expressed in milimeters (and inch):

Total average precipitation in a year in Ottawa is 914 mm (35 inch). Most precipitation gets the month of June. Ottawa gets less precipitation in February.

Rain

Total Average Rain (usually a fraction of the total precipitation) for each month is expressed in milimeters (and inch):

Total average accumulated rain in a year in Ottawa is 733 mm (28 inch). It rains mostly during the month of June. Ottawa gets less rain in February.

Snow

Total Average Snowfall (usually a fraction of the total precipitation) for each month is expressed in milimeters (and inch):

Total average accumulated snowfall in a year in Ottawa is 202 cm (79 inch). It snows mostly during the month of December.

Sunshine (Total)

Sunshine Hours is the total average number of hours with sun light detected every month:

In average, there are 2061.1 hours with sunshine during a year in Ottawa. The month with most sunny days is usually July. Ottawa gets less sunshine in December.

Weather Forecast for Ottawa

Here is the weather forecast for the next couple of days in Ottawa:

The charts present statistical data collected over several years by external providers.

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