Ontario Weather in March
March in Ontario averages 14°C (57°F) during the day and 0°C (32°F) at night. Around 26 mm (1 in) of rainfall is typical for this time of year.
Rainfall in Ontario in March
You can expect rain on around 11 days based on historical patterns, with 26 mm (1 in) average for the month. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.
Temperature in Ontario in March
Expect highs of 14°C (57°F) in Ontario in March, with nights dropping to around 0°C (32°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights drop to 0°C (32°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.If your ideal day consists of dry skies and pleasant temperatures, April, May, June, September and October typically offer the best circumstances for Ontario.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Ontario's climate page.
Ontario Temperature in March
Min Temperature
0°C (32°F)
Max Temperature
14°C (57°F)
Chance of Rain
35%
Precipitation
26 mm (1 in)
Rainy days
11 days
Best Places in the United States of America in March
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in March →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Ontario in March
Pack for changing conditions in Ontario in March. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Pack a light rain jacket or compact umbrella for occasional showers.What To Do in Ontario in March
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Ontario's climate page.
See the full Ontario climate overview or explore weather in the United States of America.
