The climate in Ottawa during March can be summarized as cold and reasonably dry.
March is in the spring in Ottawa and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a freezing 2°C (35°F), whilst at night -8°C (18°F) is normal.
|Daytime temperature||1.6°C 34.9°F|
|Nightly temperature||-7.6°C 18.3°F|
|Average temperature||-3°C 26.6°F|
|Daily sunshine||5.5 hrs|
|Avg rainfall||62 mm 2.4 ins|
|Rainy days||11 days|
|Sea temperature||2.2°C 35.9°F|
|Windspeed||14.8kph 9 mph|
On average March is the 3rd driest month of the year in Ottawa with around 62mm 2.4 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.5 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Ottawa in March 2023.
|Hottest month:||July||25.9°C 78.6°F|
|Driest month:||February||58mm 2.3ins|
|Coldest month:||January||-6.6°C 20.1°F|
|Wettest month:||July||88mm 3.5ins|