Planning a trip to Ontario in March? You are in luck! The weather is generally good, with an average maximum temperature of +21°C and approximately 7 sunny days. Just be prepared for some rain, as there are usually around 10 rainy days and 78 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flightsin one click on Avionero.
Good to know:
March is usually the wettest month of the year in Ontario;
Average weather
☀️
+21°C
Avg. max. temperature
+1°C
Min.
+34°C
Max.
78 mm
Total precipitation
65%
Avg. humidity
2 m/s
Avg. wind
7 ☀️
Sunny Days
14 ⛅️
Cloudy
10 🌦
Rainy
Our opinion: Ontario has good weather in March.
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Average temperature in Ontario in March
Here are the expected maximum, average and minimum temperatures in Ontario for March based on the historical data.
Last Year
Historical Data
Going from a maximum of +23°C during the day to a minimum of +3°C during the night, the temperature in March averages around +17°C.
The average maximum temperature goes up 35% by the end of the month, compared with the beginning of the month, from +11°C to +18°C.
Is Ontario warm or cold in March?
Ontario is typically mild in March.
Maximum temperatures go up compared to the previous month from +19°C to +21°C. The minimum temperature also goes up from +8°C to +10°C.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how March is compared to other months in Ontario:
Climate in Ontario in March
Ontario weather looks like this, on average, in March and the surrounding months.
February
March
April
Avg. temperature
+19°C
+21°C
+24°C
Min. temperature
-1°C
+1°C
+2°C
Max. temperature
+31°C
+34°C
+36°C
Rainfall
99 mm
78 mm
27 mm
Wind
1 m/s
2 m/s
2 m/s
Humidity
63%
65%
62%
Air pressure
1016 HPa
1015 HPa
1014 HPa
Sunny days
7
7
8
Cloudy days
12
14
15
Rainy days
9
10
7
Snowy days
0
0
0
March weather is still as good as in February.It’s getting warmer as March arrives. The average maximum temperature goes up from +19°C to +21°C during the day.As March arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 99 mm to 78 mm.Humidity rises from 63% to 65%.Winds are stronger in comparison to February, going up from 1 m/s to 2 m/s on average.The amount of sunny days stay about the same, averaging 7 sunny days during the month.
April brings much the same weather, it remains good.
Wind speed in Ontario in March based on historical data.
Last Year
Historical Data
The average wind speed is 3 m/s getting up to 6 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Ontario is gradually decreasing during March, going from 6 m/s to 2 m/s over the course of the month.
Rain
Amount of rainfall in mm during March in Ontario based on historical data.
Last Year
Historical Data
Typically, there is a 58% chance of rain on an average day in March, with total rainfall of approximately 294 mm. The maximum amount of rainfall per day is around 63 mm, which is considered heavy rain.March is a pretty wet month with over 18 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
Here’s how March is compared with other months in the amount of precipitation, total mm:
Ontario wettest month is February, where a typical day has a 32% chance of precipitation and 99 mm of rainfall per day. June, on the other hand, is the driest month with a mere 3% chance of precipitation and 2 mm of rainfall per day.
How was the weather last March in Ontario?
This is the weather in Ontario in March 2024:
1 March
🌫️
+11°C
2 March
☀️
+17°C
3 March
☀️
+17°C
4 March
☁️
+16°C
5 March
☁️
+13°C
6 March
☁️
+14°C
7 March
☁️
+16°C
8 March
☁️
+16°C
9 March
☁️
+21°C
10 March
🌫️
+20°C
11 March
🌫️
+17°C
12 March
🌫️
+20°C
13 March
🌫️
+19°C
14 March
🌫️
+19°C
15 March
🌫️
+15°C
16 March
🌫️
+15°C
17 March
🌫️
+20°C
18 March
☁️
+23°C
19 March
☁️
+22°C
20 March
🌫️
+16°C
21 March
🌫️
+14°C
22 March
🌧️
+13°C
23 March
🌧️
+13°C
24 March
🌫️
+18°C
25 March
☀️
+17°C
26 March
☀️
+18°C
27 March
☁️
+21°C
28 March
☀️
+22°C
29 March
🌫️
+20°C
30 March
🌧️
+13°C
31 March
☀️
+18°C
In March 2024 Ontario had 6 sunny days, 9 cloudy days, and 3 rainy days. The average maximum temperature was +17°C, with an absolute maximum of +23°C and a minimum of +11°C. The average humidity was 73%, with a maximum of 97% and a minimum of 16%. The average wind speed was 3 m/s, with a maximum of 13 m/s and a minimum of 0 m/s.
Are you planning a trip in March?
Climate Change over Years
This is how Ontario climate have been changing during last 43 years period.
The climate in Ontario in March has not changed much over the last 43 years.
The average temperature was the lowest in 1998 (+23°C) and the highest in 2014 (+28°C). The driest year was 1989 with only 153 mm of rainfall, and the wettest year was 2022 with 1158 mm.
FAQ
Frequently asked questions about the weather in Ontario in March:
Is March a good time to visit Ontario?
March is a really good time to go to Ontario. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Ontario.
Can you sunbathe in Ontario in March?
March has mild temperatures in Ontario. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!
Is Ontario rainy in March?
Ontario is often rainy in March. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.
Is it sunny in Ontario in March?
Usually, it’s not very sunny in Ontario in March, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.
For this page, we’ve looked at the typical weather in Ontario, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
