March weather forecast
Toronto, Canada

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Colorfully lit night city of Toronto, Canada, with a view of the Nathan Phillips Square, and a large Toronto sign
Colorfully lit night city of Toronto, Canada, with a view of the Nathan Phillips Square, and a large Toronto sign

Weather in March

March brings along additional relief from the cold while envisioning the onset of spring. This bridge period between winter and spring showcases climatic fluctuations due to the changing season. Snowfall decreases markedly from February and occasional spring rain showers can be expected. Transitional clothing might be needed to adapt to the varying weather conditions. Given the anticipation of warmer weather, locals often look forward to outdoor activities after a long winter spell.

Temperature

Toronto's March weather indicates a minor increase in high-temperatures, edging from February's freezing cold -1.3°C (29.7°F) to a wintry 3.2°C (37.8°F). Throughout the month of March, Toronto expects an average low of -2.2°C (28°F).

Humidity

The average relative humidity in March is 77%.

Rainfall

In Toronto, in March, it is raining for 10.2 days, with typically 27mm (1.06") of accumulated precipitation. Throughout the year, there are 136.8 rainfall days, and 420mm (16.54") of precipitation is accumulated.

Snowfall

Months with snowfall in Toronto are January through April, November and December. In Toronto, in March, during 6 snowfall days, 28mm (1.1") of snow is typically accumulated. Throughout the year, in Toronto, there are 45.6 snowfall days, and 223mm (8.78") of snow is accumulated.

Sea temperature

With an average sea temperature of 1.9°C (35.4°F), March is the month with the coldest seawater in Toronto.
Note: In swimming, this scenario poses immediate life-threatening danger. Breathing control is totally lost and logical thinking nearly impossible. Wearing a specialized swimsuit is critical to limit thermal loss.

Daylight

In Toronto, the average length of the day in March is 11h and 58min.
On the first day of the month, sunrise is at 6:52 am and sunset at 6:06 pm EST. On the last day of March, in Toronto, sunrise is at 6:59 am and sunset at 7:43 pm EDT.
Note: On Sunday, 10. March 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time lasts until Sunday, 03. November 2024, at 2:00 am; consequently, the time zone reverts from EDT to EST.

Sunshine

The average sunshine in March is 5.7h.

UV index

In March, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the ordinary person.
Note: In March, the UV index of 2 transforms into the following advice:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Direct Sun exposure should be minimized especially during midday when radiation is most intense. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
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Frequently asked questions

Is it cold in Toronto during March?

The high-temperature, in March, in Toronto, is 3.2°C (37.8°F), while the low-temperature averages to -2.2°C (28°F).

What is the average humidity in March in Toronto?

The average relative humidity in March in Toronto is 77%.

How much does it rain in Toronto in March?

In March, in Toronto, Canada, the rain falls for 10.2 days. Throughout March, 27mm (1.06") of precipitation is accumulated.

How much does it snow in Toronto in March?

In Toronto, Canada, in March, snow falls for 6 days, with typically accumulated 28mm (1.1") of snow.

What is the month with the coldest sea water in Toronto?

The month with the coldest seawater in Toronto is March, with an average sea temperature of 1.9°C (35.4°F).

How cold is the water in March in Toronto?

In Toronto, the average seawater temperature in March is 1.9°C (35.4°F). For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

What is the average length of the day in March in Toronto?

In March, the average day length in Toronto is 11h and 58min.

When is the sunrise / sunset in March in Toronto?

On the first day of March, sunrise is at 6:52 am and sunset at 6:06 pm EST. On the last day of the month, sunrise is at 6:59 am and sunset at 7:43 pm EDT.

When does Daylight Saving Time (DST) start in March in Toronto?

On Sunday, 10. March 2024, at 2:00 am, Daylight Saving Time starts in Toronto, and the time zone changes from EST to EDT. DST ends on Sunday, 03. November 2024, at 2:00 am.

How long on average sun shines in March in Toronto?

In March, the average sunshine duration in Toronto is 5.7h.

What is the UV index intensity in March in Toronto?

The average daily maximum UV index in March in Toronto, Canada, is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in March
Toronto, Canada

Average temperature in March - Toronto, Canada
  • Average high temperature in March: 3.2°C

The warmest month (with the highest average high temperature) is July (24.8°C).
The month with the lowest average high temperature is January (-2.3°C).

  • Average low temperature in March: -2.2°C

The months with the highest average low temperature are July and August (18.4°C).
The coldest month (with the lowest average low temperature) is January (-7°C).

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Average pressure in March
Toronto, Canada

Average pressure in March - Toronto, Canada
  • Average pressure in March: 1018.4mbar

The month with the highest atmospheric pressure is March (1018.4mbar).
The month with the lowest atmospheric pressure is June (1013.1mbar).

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Average wind speed in March
Toronto, Canada

Average wind speed in March - Toronto, Canada
  • Average wind speed in March: 17.4km/h

The windiest month (with the highest average wind speed) is January (19.5km/h).
The calmest month (with the lowest average wind speed) is July (11.7km/h).

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Average humidity in March
Toronto, Canada

Average humidity in March - Toronto, Canada
  • Average humidity in March: 77%

The months with the highest relative humidity are January and February (83%).
The months with the lowest relative humidity are August and September (74%).

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Average rainfall in March
Toronto, Canada

Average rainfall in March - Toronto, Canada
  • Average rainfall in March: 27mm

The wettest month (with the highest rainfall) is July (53mm).
The driest month (with the least rainfall) is February (19mm).

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Average rainfall days in March
Toronto, Canada

Average rainfall days in March - Toronto, Canada
  • Average rainfall days in March: 10.2 days

The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is February (5.6 days).

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Average snowfall in March
Toronto, Canada

Average snowfall in March - Toronto, Canada
  • Average snowfall in March: 28mm

The month with the highest snowfall is January (57mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

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Average snowfall days in March
Toronto, Canada

Average snowfall days in March - Toronto, Canada
  • Average snowfall days in March: 6 days

The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average sea temperature in March
Toronto, Canada

Average sea temperature in March - Toronto, Canada
  • Average sea temperature in March: 1.9°C

The best month for swimming (with the highest average sea temperature) is August (22.3°C).
The coldest month (with the lowest average sea temperature) is March (1.9°C).

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Average daylight in March /
Average sunshine in March
Toronto, Canada

Average daylight in March / Average sunshine in March - Toronto, Canada
  • Average daylight in March: 12h and 0min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in March: 5h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).

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Average sunshine days in March
Toronto, Canada

Average sunshine days in March - Toronto, Canada
  • Average sunshine days in March: 16.2 days

The month with the most sunshine days is March (16.2 days).
The month with the least sunshine days is July (12.8 days).

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Average UV index in March
Toronto, Canada

Average UV index in March - Toronto, Canada
  • Average UV index in March: 2

The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in March
Toronto, Canada

Average cloud cover in March - Toronto, Canada
  • Average cloud cover in March: 54

The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 26).

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Average visibility in March
Toronto, Canada

Average visibility in March - Toronto, Canada
  • Average visibility in March: 9km

The months with the highest visibility are June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, May, November and December (9km).

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Toronto, Canada

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