CanadaCountries Canada Ontario March
CanadaCanada Ontario
Ontario Canada
Weather in March
Climate ▸Forecast ▸March ▸April ▸
JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember

Weather in March in Ontario

Thinking about venturing to Ontario this March and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What is the weather like in Ontario in March?

Ontario is a region in Canada. March in Ontario generally has temperatures that range from very cold to cold, with moderate precipitation.

Temperatures

Based on our climate data spanning from 1990-2020, the average maximum temperature is very cold in Schreiber at -2°C to cold in Windsor at 7°C. Nighttime temperatures generally drop to -2°C in Windsor and -10°C in Schreiber. In numerous regions in Canada, March is marked by its cold weather conditions. If you're heading to these areas during this month, it's vital to be well-prepared. Dressing in layered and insulated outfits will ensure you stay warm.

For a closer look at conditions across Ontario, refer to the map below.

Precipitation

In March, precipitation varies across different areas. From moderate snowfall in Red Lake with an average of 32 mm to moderate snowfall in Port Colborne with 86 mm.

Average sunshine

Most cities enjoy a balanced amount of sunshine, with around 161 hours of sunlight anticipated in Toronto. This ensures the days are neither too dim nor excessively sunny.

For more details on the yearly climate, visit our Ontario climate page.

Where to go in Ontario in March

Find more information for the most popular destinations in the Ontario on the map below. Click on a destination dot for more details.

Weather conditions Weather
Temperatures
Precipitation
Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

Select a Month of Interest

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Canada, check out our Ontario's climate page.

Popular destinations

What is the weather like in March for the 5 most popular destinations in Ontario?

Toronto

In March Toronto generally has low temperatures with maximum daytime temperatures around 5°C, minimum nighttime temperatures around -3°C and moderate monthly snow/rainfall. So on average the conditions are poor that month.

Toronto
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly snow/rainfall precipitationSnow/rainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   February February
<<  
1°C 
-7°C 
111 hours 
68 mm 
10 days 
poor 
March March
5°C 
-3°C 
161 hours 
70 mm 
10 days 
poor 
April   >> April
>>  
10°C 
2°C 
180 hours 
95 mm 
11 days 
poor 
Climate in Toronto

Ottawa

In March Ottawa generally has low temperatures with maximum daytime temperatures around 4°C, minimum nighttime temperatures around -7°C and moderate monthly snow/rainfall. So on average the conditions are poor that month.

Ottawa
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly snow/rainfall precipitationSnow/rainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   February February
<<  
-2°C 
-14°C 
132 hours 
69 mm 
12 days 
poor 
March March
4°C 
-7°C 
168 hours 
76 mm 
11 days 
poor 
April   >> April
>>  
12°C 
1°C 
188 hours 
98 mm 
11 days 
unpleasant 
Climate in Ottawa

Niagara Falls

In March Niagara Falls generally has low temperatures with maximum daytime temperatures around 6°C, minimum nighttime temperatures around -3°C and moderate monthly snow/rainfall. So on average the conditions are poor that month.

Niagara Falls
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly snow/rainfall precipitationSnow/rainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   February February
<<  
-1°C 
-8°C 
109 hours 
67 mm 
16 days 
poor 
March March
6°C 
-3°C 
165 hours 
59 mm 
11 days 
poor 
April   >> April
>>  
13°C 
2°C 
206 hours 
80 mm 
13 days 
unpleasant 
Climate in Niagara Falls

Niagara on the Lake

In March Niagara on the Lake generally has low temperatures with maximum daytime temperatures around 5°C, minimum nighttime temperatures around -3°C and moderate monthly snow/rainfall. So on average the conditions are poor that month.

Niagara on the Lake
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly snow/rainfall precipitationSnow/rainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   February February
<<  
0°C 
-5°C 
109 hours 
48 mm 
11 days 
poor 
March March
5°C 
-3°C 
165 hours 
45 mm 
8 days 
poor 
April   >> April
>>  
10°C 
1°C 
206 hours 
59 mm 
10 days 
poor 
Climate in Niagara on the Lake

Mississauga

In March Mississauga generally has low temperatures with maximum daytime temperatures around 6°C, minimum nighttime temperatures around -4°C and moderate monthly snow/rainfall. So on average the conditions are poor that month.

Mississauga
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly snow/rainfall precipitationSnow/rainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   February February
<<  
1°C 
-8°C 
113 hours 
66 mm 
9 days 
poor 
March March
6°C 
-4°C 
161 hours 
68 mm 
10 days 
poor 
April   >> April
>>  
11°C 
2°C 
205 hours 
93 mm 
11 days 
unpleasant 
Climate in Mississauga

Is your destination not in the list? Have a look at other destinations in Ontario, in Canada.

Is March the best time to visit Ontario?

Given the typically poor weather conditions in Toronto, March may not be the ideal time to visit Ontario.

On average, the best time to visit Ontario is in June, July, August and September with generally perfect weather in Toronto. On the other hand, the months of January, February, March, April, November and December tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Ontario.

Weather and climate has detailed information for every country in the world. Are you going to Canada? Get detailed historical weather averages for many cities in Canada.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.