March Weather in Toronto, Canada

Last updated: April 22, 2025

March weather in Toronto, Canada showcases a striking transition from winter to spring. With a maximum temperature reaching 19°C (66°F) and an average of 0°C (33°F), the city begins to thaw, although chilly minimums dip as low as -20°C (-4°F). The month witnesses 58 mm (2.3 in) of precipitation over approximately 9 days, contributing to an humidity level of 88% that enhances the crisp, invigorating atmosphere. As the snow melts and the days grow warmer, March offers an exciting glimpse of the seasonal changes that lie ahead.

March Temperature in Toronto

In March, Toronto begins its transition from the biting cold of winter to the fresh air of spring. Temperatures in the city show a remarkable shift, with minimums hovering around -20°C (-4°F) and averages climbing to 0°C (33°F), offering a brief respite from the depths of winter. As the month progresses, the **maximums can reach a mild 19°C (66°F), hinting at the warmth soon to come. This gradual warming trend not only invites residents outdoors but also marks the onset of a vibrant transformation in the local landscape, with trees beginning to bud and days growing longer. March serves as a pivotal month in Toronto's climatic calendar, bridging the chill of winter with the promise of spring's arrival.

March Weather in Toronto: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Toronto, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec252633435566727063523830
Data source: Temperature data for Toronto generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

March Precipitation in Toronto

March in Toronto signals the transition from winter to spring, with precipitation totaling 58 mm (2.3 in) across 9 days. While this amount is slightly lower than the previous two months, it maintains a steady level of moisture typical for early spring. As the city emerges from the chill of winter, March often brings a mix of rain and lingering snow, creating a dynamic and unpredictable climate. This month sets the stage for April's increase in rainfall, hinting at the lush blooms to come. Overall, March's precipitation reflects a gradual warming pattern, paving the way for the wetter months ahead.

March Precipitation Trends in Toronto

The chart displays monthly precipitation patterns in Toronto, with values for each month alongside March's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec636558989079787858957270
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Toronto

March marks the beginning of a gradual shift in humidity levels in Toronto, Canada, as the city transitions from the deep chill of winter to the welcoming hints of spring. With an average humidity of 88%, March sees a slight drop from the consistent 91% humidity of January and February. This change signals the commencement of milder weather, setting the stage for further decreases in humidity as April follows suit with the same 88% levels. As the months progress towards summer, the city's humidity continues to decline, showcasing a steady decrease that reaches its lowest point of 72% in August. Overall, March acts as a pivotal moment in Toronto's climate, bridging the gap between the heavy, damp winter months and the warmer, drier summer ahead.

March Average Humidity in Toronto

This chart illustrates the average monthly humidity levels in Toronto, with March's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how March's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec91%91%88%88%82%80%77%72%76%83%88%87%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Toronto

As spring approaches, the UV Index in Toronto sees a notable increase in March, reaching a moderate level of 5. This marks a shift from February’s 4, signaling that sun exposure can lead to skin damage in as little as 30 minutes. With the arrival of warmer weather, residents should remain vigilant; while the UV Index is still manageable compared to the upcoming months, it foreshadows the rapid escalation that occurs in April when it jumps to a very high level of 8. This progressive rise in UV radiation underscores the importance of sun protection as we transition from the winter months. For more information on UV levels throughout the year, visit Toronto UV Index.

Maximum UV Index Levels in Toronto for March

The chart shows the monthly maximum UV Index (UVI) for Toronto in March, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec245899997532
Data source: Toronto March UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

March Sunshine in Toronto

As winter transitions to spring, March in Toronto emerges as a vibrant awakening of sunshine, with an impressive 231 hours of sunlight illuminating the city. This marks a significant leap from January’s 112 hours and February’s 156 hours, showcasing the gradual increase in daylight that signals the arrival of warmer days. March's sunny disposition sets the stage for April, which follows closely with 239 hours of sunshine, hinting at the joy of spring in full bloom. This upward trend not only brightens the city but also revitalizes the spirits of its residents, encouraging outdoor adventures and a renewed connection with nature after the winter months. From the promising increase in daylight in March to the subsequent swell in sunlight hours throughout the spring and summer, Toronto's sunshine serves as a reminder of the changing seasons and the warmth they bring.

Monthly Sunshine Duration in Toronto: March Highlighted

The March sunshine duration represents the total number of hours Toronto experiences direct sunlight during the month of March, excluding cloudy or obstructed periods. This chart compares the sunshine duration of March with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec112h156h231h239h294h339h351h344h306h204h154h119h
Data source: Toronto March Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Toronto During March

As winter gives way to spring, the likelihood of sunny weather in Toronto significantly increases in March, with the chance of sunshine jumping to 47%. This is a notable rise from the darker days of January and February, where the sun shyly appeared just 18% and 30% of the time, respectively. March presents an optimistic shift that hints at the approaching warmth of spring, creating a vibrant backdrop for various outdoor activities. Interestingly, this month also outpaces April’s 39% chance for sun, suggesting that March may surprise residents with unexpectedly bright days. As the season transitions, Torontonians can look forward to more frequent encounters with the sun, energizing the atmosphere and heralding the joys of the upcoming warmer months.

Percentage of Sunny Days in March in Toronto

The chart illustrates the percentage of sunny days in Toronto throughout the year, with March highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Toronto experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec18%30%47%39%46%42%43%49%46%28%41%24%
Data source: Toronto March chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Toronto in March

As winter gradually yields to spring, March in Toronto brings a noticeable increase in daylight, with the city enjoying 11 hours of light—a full hour more than February. This trend of lengthening days marks the beginning of a seasonal shift, where daylight continues to expand as nature awakens. Following March, April offers 13 hours of sunlight, paving the way for the lush greens of May with its 14 hours. The steady rise in daylight highlights not only the transition from chilly winter days to the warmth of spring but also the gradual anticipation of summer, when the days peak at a glorious 15 hours in June and July. This rhythmic pattern of daylight serves as a reminder of the cyclical beauty of the seasons in Toronto.

Average Daylight Hours in Toronto for March

The chart illustrates the variation in daylight duration in Toronto throughout the year, with March highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 19m10h 29m11h 57m13h 28m14h 45m15h 23m15h 2m13h 53m12h 27m10h 56m9h 37m8h 57m
Data source: Toronto daylight hours, calculated by summing the hours between sunrise and sunset for each day.

March Winds in Toronto

As March settles in Toronto, the winds remain brisk, blowing at an average speed of 4.3 m/s (10 mph), matching February's robust gusts. This consistency hints at a lingering chill in the air, despite the city's gradual transition into spring. Interestingly, the wind speed begins to taper off as the season progresses into April, dropping to 3.7 m/s (8 mph), which could signal the promise of warmer days ahead. Overall, March serves as a bridge between winter's bite and the gentle breezes of spring, with its winds contributing to the vibrant dance of the changing season.

Average March Wind Speed in Toronto

The chart displays monthly wind speed patterns in Toronto, with values for each month shown alongside March's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how March's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.64.34.3 m/s3.73.33.83.12.93.73.73.84.4
Data source: Toronto March wind data, generated using information from the Copernicus Climate Change Service.

How March Weather in Toronto Compares to Other Months

The weather in Toronto changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of March's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Toronto and find detailed weather information for every month.

When comparing the weather in March and January, March tends to be milder, with average temperatures hovering around 0°C (33°F) and maximums reaching 19°C (66°F), while January is significantly colder with an average of -4°C (25°F) and maximums only up to 12°C (53°F). Additionally, March experiences slightly less precipitation at 58 mm (2.3 in) over 9 days compared to January's 62 mm (2.5 in) over 8 days. Humidity levels in March are also slightly lower at 88% compared to January's 91%. For a deeper look at January's conditions, visit Toronto weather in January.

In comparing the weather of March and February, we see a notable shift in temperatures. March experiences milder conditions with an average temperature of 0°C (33°F), while February remains colder, averaging -3°C (26°F). February also sees slightly lower minimum temperatures, reaching as low as -23°C (-9°F), compared to March's -20°C (-4°F). Although March has slightly less precipitation at 58 mm (2.3 in) over 9 days, February has more precipitation at 65 mm (2.6 in) over 12 days. Humidity levels are also slightly higher in February at 91%, compared to March's 88%. For more details on February weather, you can visit Toronto weather in February.

March and April display a notable transition in weather patterns. March typically features colder temperatures, with a minimum of -20°C (-4°F) and an average of 0°C (33°F), while April sees milder conditions, boasting a minimum of -6°C (22°F) and an average of 6°C (43°F). Precipitation increases in April to 98 mm (3.9 in) over 13 days, compared to March's 58 mm (2.3 in) across 9 days. Despite the uptick in rainfall, both months maintain similar humidity levels at 88%, highlighting that the shift towards warmer temperatures in April does not significantly alter the moist conditions. For more details, you can check out Toronto weather in April.

March and May exhibit significant differences in weather patterns. In March, temperatures range from a frigid minimum of -20°C (-4°F) to a maximum of 19°C (66°F), with an average of 0°C (33°F). The month often experiences 58 mm (2.3 in) of precipitation over approximately 9 days, accompanied by high humidity at 88%. In contrast, May brings a much milder climate, with temperatures ranging from a minimum of -3°C (28°F) to a maximum of 30°C (86°F) and an average of 13°C (55°F). Precipitation increases slightly to 90 mm (3.6 in) over about 11 days, while humidity decreases to 82%. For more detailed insights on May's weather, you can visit Toronto weather in May.

March and June weather in Toronto present a striking contrast. In March, temperatures can plunge as low as -20°C (-4°F), while the average sits around 0°C (33°F), with a maximum of 19°C (66°F). The month experiences about 58 mm (2.3 in) of precipitation over 9 days, accompanied by high humidity levels at 88%. Conversely, June sees a much milder climate, with minimum temperatures of 3°C (38°F) and average highs reaching 31°C (89°F). During this month, precipitation increases slightly to 79 mm (3.1 in) over 10 days, but humidity decreases to 79%. The overall atmosphere in June is warmer and generally more pleasant, making it a favorable time for outdoor activities. For more details, you can check Toronto weather in June.

March and July present stark contrasts in weather conditions. In March, temperatures can plummet as low as -20°C (-4°F) with an average around 0°C (33°F), while reaching a maximum of 19°C (66°F). The month experiences considerable precipitation of 58 mm (2.3 in) over about 9 days, accompanied by high humidity at 88%. In contrast, July boasts much warmer temperatures, with a minimum of 11°C (52°F) and averages around 22°C (72°F), peaking at 34°C (93°F). Though July has a slightly higher total precipitation of 78 mm (3.1 in) over 11 days, the overall humidity is lower at 77%. For more details on July's weather, visit Toronto weather in July.

March and August present contrasting weather extremes. In March, temperatures range from a brisk -20°C (-4°F) at night to a maximum of 19°C (66°F) during the day, with an average around 0°C (33°F). The month experiences significant humidity at 88% and approximately 58 mm (2.3 in) of precipitation over 9 days. In contrast, August offers much warmer conditions, with minimum temperatures of 9°C (48°F) and highs soaring to 33°C (92°F), leading to a comfortable average of 21°C (71°F). Although August receives slightly more precipitation at 78 mm (3.1 in) over 12 days, the overall humidity is lower at 72%. For more detailed insights, check out Toronto weather in August.

In March, temperatures are quite cold, ranging from a minimum of -20°C (-4°F) to a mild maximum of 19°C (66°F), with an average temperature around 0°C (33°F). The month often experiences high humidity at 88%, along with 58 mm (2.3 in) of precipitation over about 9 days. In contrast, September boasts a much warmer climate, featuring temperatures that range from a minimum of 3°C (38°F) to a maximum of 33°C (91°F), with an average of 17°C (64°F). Precipitation remains similar at 58 mm (2.3 in), but falls on only 8 days, and humidity decreases to 76%. For more details, visit Toronto weather in September.

March and October present distinctly different weather patterns in terms of temperature and precipitation. March typically sees minimum temperatures drop as low as -20°C (-4°F) with an average of 0°C (33°F) and highs reaching up to 19°C (66°F). In contrast, October enjoys milder conditions, with minimum temperatures of -2°C (29°F), an average of 11°C (52°F), and maximums climbing to a warm 30°C (86°F). Precipitation is also more pronounced in October, totaling 95 mm (3.7 in) over approximately 13 days, compared to March's 58 mm (2.3 in) across 9 rainy days. Despite slightly higher humidity in March at 88%, October maintains a comfortable level at 83%. For more information, check out Toronto weather in October.

In March, temperatures typically range from a minimum of -20°C (-4°F) to a maximum of 19°C (66°F), with an average temperature around 0°C (33°F). The month experiences about 58 mm (2.3 in) of precipitation over 9 days, with humidity levels consistently high at 88%. In contrast, November offers slightly milder temperatures, with lows of -15°C (5°F) and highs reaching up to 22°C (72°F), resulting in an average of 3°C (38°F). This month receives a bit more precipitation, totaling 72 mm (2.8 in) across 10 days, while maintaining the same humidity level of 88%. For more detailed insights, you can visit Toronto weather in November.

March and December weather in Toronto show notable differences, particularly in temperature and precipitation patterns. In March, temperatures range from a minimum of -20°C (-4°F) to a maximum of 19°C (66°F), with an average of around 0°C (33°F). This month sees a total precipitation of 58 mm (2.3 in) over approximately 9 days, accompanied by high humidity at 88%. In contrast, December experiences lower temperatures, with minimums dipping to -24°C (-11°F) and a maximum of 16°C (61°F), averaging -1°C (31°F). The month is slightly wetter, with precipitation reaching 70 mm (2.8 in) over 12 days, while humidity remains quite similar at 87%. For a deeper look at December weather specifics, visit Toronto weather in December.

Compare Toronto's Climate with Cities Worldwide

Conclusion: What to Expect From March Weather in Toronto

As winter begins to wane, March in Toronto brings a fascinating transition, showcasing a unique mix of temperate days and lingering chills. With temperatures fluctuating from the brisk cold of early spring to unseasonably mild afternoons, residents experience a blend of snowy encounters and the promise of warmer days ahead. The average humidity remains high, contributing to an atmospheric richness that contrasts with drier months. While precipitation days are more frequent, the gradual lengthening of sunlight hints at the approaching warmth of April. For a deeper understanding of how March fits into the overall climate of this vibrant city, explore Toronto Climate.