Monthly weather forecast and climate
Oshawa, Canada

What is the coldest month in Oshawa?

With an average high-temperature of -1.1°C (30°F) and an average low-temperature of -8.5°C (16.7°F), January is the coldest month in Oshawa.

How much does it rain in Oshawa?

In Oshawa, during the entire year, the rain falls for 122.7 days, and collects up to 766.1mm (30.2") of precipitation.

What is the driest month in Oshawa?

January is the month with the least rainfall in Oshawa, Canada. Rain falls for 5.7 days and accumulates 30mm (1.2") of precipitation.

When does it snow in Oshawa?

Months with snowfall in Oshawa are January through April, October through December.

How many days does it snow in Oshawa?

In Oshawa, Canada, during the entire year, snow falls for 27.5 days, and aggregates up to 1057mm (41.6") of snow.

What is the snowiest month in Oshawa?

The month with the most snowfall is January when snow falls for 8.7 days and typically aggregates up to 356mm (14") of snow.

What is the warmest month in Oshawa?

With an average high-temperature of 25.1°C (77.2°F) and an average low-temperature of 15.9°C (60.6°F), July is the warmest month.

What is the wettest month in Oshawa?

The month with the most rainfall in Oshawa is September when the rain falls for 12.1 days and typically aggregates up to 94mm (3.7") of precipitation.
Average temperature - Oshawa, Canada
Average rainfall - Oshawa, Canada

The wettest month (with the highest rainfall) is September (94mm).
The driest month (with the lowest rainfall) is January (30mm).

Average rainfall days - Oshawa, Canada

The month with the highest number of rainy days is October (13.4 days).
The month with the lowest number of rainy days is February (5 days).

Average snowfall - Oshawa, Canada
Average snowfall days - Oshawa, Canada

The month with the highest number of snowfall days is January (8.7 days).
Months with the lowest number of snowfall days are May, June, July, August and September (0 days).

Average sea temperature - Oshawa, Canada

The best month for swimming (with the highest average sea temperature) is August (22.4°C).
The coldest month (with the lowest average sea temperature) is March (2.3°C).

Average daylight - Oshawa, Canada
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