April Weather in Montreal, Canada

Last updated: April 22, 2025

In April, Montreal experiences a striking transition from winter to spring, with temperatures ranging from a chilly -10°C (14°F) to a pleasant 25°C (78°F). The month showcases an average temperature of 6°C (43°F), inviting residents and visitors alike to welcome the warming days. While the city basks in the blossoming beauty of spring, it also sees 121 mm (4.7 in) of precipitation over 12 days, contributing to its characteristic 85% humidity. This blend of temperature and moisture not only influences the local climate but also sets the stage for vibrant springtime activities and the budding of flora throughout the city.

April Temperature in Montreal

As winter gradually releases its grip, April in Montreal heralds a noticeable transformation in temperatures, with the mercury rising from a chilly minimum of -10°C (14°F) to a maximum of 25°C (78°F). The average temperature settles around 6°C (43°F), marking a significant leap from the subzero conditions of the prior months. This shift sets the stage for the city's vibrant spring as it emerges from the harsh cold, inviting residents and visitors alike to enjoy the blossoming parks and bustling streets. The striking daily temperature fluctuations not only reflect the transition from winter to spring but also hint at the forthcoming warmth of May, suggesting that Montreal's climate is on the cusp of a delightful change.

April Weather in Montreal: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Montreal, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec171929435766727062503524
Data source: Temperature data for Montreal generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Montreal

April marks a significant shift in Montreal's weather, with precipitation reaching 121 mm (4.7 in) over 12 days—the highest of any month so far this year. This increase from the previous months, which hovered around 84 mm, indicates a transition as spring settles in, bringing wetter and warmer conditions. As the city awakens from the winter chill, the rainfall not only nourishes budding flora but also signals a trend towards the more abundant precipitation that characterizes the coming summer months. With May and June typically following closely behind in precipitation, April acts as a bridge, setting the stage for the lush landscapes of Montreal's warmer season.

April Precipitation Trends in Montreal

The chart displays monthly precipitation patterns in Montreal, with values for each month alongside April's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec848284121971041031097313911888
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Montreal

As spring unfolds in Montreal, April brings a subtle shift in humidity, dipping to 85% from the higher levels of the preceding months. This reduction signals a gradual transition from the heavy dampness characteristic of winter, with January and February showcasing humidity levels at a staggering 93% and 92%, respectively. By March, humidity begins to ease at 86%, paving the way for the more comfortable conditions of late spring and early summer. May continues this trend, dropping further to 80%, as the city prepares for the warmer months ahead. This gradual decline hints at the invigorating freshness of spring, inviting residents to emerge from their winter hibernation and enjoy the vibrant atmosphere that comes with the season.

April Average Humidity in Montreal

This chart illustrates the average monthly humidity levels in Montreal, with April's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how April's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%86%85%80%74%76%75%78%86%89%89%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Montreal

As April arrives in Montreal, residents can expect a notable shift in the UV Index, which climbs to 7, placing it in the high exposure category. This increase signifies a growing intensity of sunlight, with a reduced burn time of just 25 minutes for unprotected skin. Following the milder indices of the earlier months—2 in January, 4 in February, and 5 in March—April serves as a precursor to the more intense UV conditions of summer. By next month, UV levels will escalate further to 9, categorizing the environment as very high for sun exposure. Thus, it’s essential to stay informed and protected during this transitional period by checking resources like Montreal UV Index for the latest updates.

Maximum UV Index Levels in Montreal for April

The chart shows the monthly maximum UV Index (UVI) for Montreal in April, 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.
JanFebMarAprMayJunJulAugSepOctNovDec245799887532
Data source: Montreal April 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.

April Sunshine in Montreal

As April unfolds in Montreal, residents can bask in 226 hours of sunshine—a delightful continuation of the increasing daylight that began in March with 236 hours. This upward trend in sunshine hours signals the city's transition into spring, painting the landscape with warmth and vibrancy after the long winter months. Following April, the sunlight blossoms even more with 285 hours in May, paving the way for an exhilarating summer. This gradual build-up of sunshine not only enhances outdoor activities but also uplifts the spirits of Montrealers, making April a key month in the radiant journey toward a sun-drenched season. The contrast between the winter's scarcity and the impending summer's abundance of light reflects the changing seasons and the enduring appeal of this bustling Canadian city.

Monthly Sunshine Duration in Montreal: April Highlighted

The April sunshine duration represents the total number of hours Montreal experiences direct sunlight during the month of April, excluding cloudy or obstructed periods. This chart compares the sunshine duration of April with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec118h155h236h226h285h321h342h326h281h196h146h143h
Data source: Montreal April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Montreal During April

In Montreal, April brings a slight dip in the likelihood of sunny weather, with a 36% chance of sunshine. This decrease follows a gradual increase in sun exposure from the winter months, where March offers a more promising 43%. However, as nature transitions into spring, April’s forecast parallels the sunniness of June and July, both sitting at 36% as well. Looking ahead, May reveals a small rebound to 41%, suggesting that the promise of warmer, sunnier days is just around the corner. Thus, while April might not hold the highest chances for sunny weather, it acts as a bridge, gently ushering in the brighter days of spring.

Percentage of Sunny Days in April in Montreal

The chart illustrates the percentage of sunny days in Montreal throughout the year, with April 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 Montreal experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec37%39%43%36%41%36%33%46%41%29%45%29%
Data source: Montreal April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Montreal in April

As winter gives way to spring in Montreal, April shines brightly with an increase to 13 hours of daylight, signaling a delightful transition. Following a gradual ascent from 9 hours in January to 11 hours in March, the month of April marks a notable surge in daylight, invigorating the city with extra sunlight. This upward trend continues into May, where daylight reaches 14 hours, before peaking in June at 15 hours. The gradual lengthening of days not only embodies the spirit of renewal but also sets the stage for the vibrant summer months ahead. As the sun casts its warm glow longer each day, Montrealers can embrace outdoor activities and relish the beauty of spring in full bloom.

Average Daylight Hours in Montreal for April

The chart illustrates the variation in daylight duration in Montreal throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 8m10h 23m11h 57m13h 33m14h 55m15h 36m15h 14m14h12h 28m10h 52m9h 28m8h 45m
Data source: Montreal daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Montreal

In April, Montreal experiences a gentle breeze, with an average wind speed of 3.5 m/s (8 mph). This slight dip from March’s gustier 4.5 m/s reflects a transition as spring takes hold. Interestingly, April's winds are calmer compared to some of the preceding months, suggesting the city is shedding the chill of winter. While the winds remain mostly consistent, April’s breeziness contributes to the invigorating atmosphere that heralds the arrival of warmer days ahead. Observing the trends, it’s clear that by this time of year, Montreal's winds begin to settle, creating a more refreshing ambiance as nature awakens.

Average April Wind Speed in Montreal

The chart displays monthly wind speed patterns in Montreal, with values for each month shown alongside April's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how April's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.23.64.53.5 m/s3.43.73.03.03.43.23.44.0
Data source: Montreal April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Montreal Compares to Other Months

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

When comparing the weather in April to that in January, it's clear that April offers a significant rise in temperatures. In April, the minimum temperature is around -10°C (14°F) with an average of 6°C (43°F) and a maximum reaching 25°C (78°F), while January experiences much colder conditions, with a minimum of -32°C (-25°F), an average of -8°C (17°F), and a maximum of just 9°C (49°F). Additionally, April sees higher precipitation levels at 121 mm (4.7 in) over 12 days compared to January's 84 mm (3.3 in) over 11 days, although January has a slightly higher humidity at 93% versus April's 85%. For a more detailed look at January's weather, you can check out Montreal weather in January.

April and February present a stark contrast in weather conditions. In February, temperatures can plunge to a minimum of -25°C (-13°F) and only rise to an average of -7°C (20°F), making it one of the coldest months, complemented by high humidity levels of 92%. In contrast, April ushers in a marked warming trend, with average temperatures reaching approximately 6°C (43°F) and a maximum of 25°C (78°F). Although both months experience precipitation on about 12 days, April sees a significant increase in rainfall, with total precipitation measuring 121 mm (4.7 in) compared to February's 82 mm (3.2 in). For a closer look at the specific conditions, you can visit Montreal weather in February.

When comparing the weather in April and March, we see a significant warming trend. April boasts a minimum temperature of -10°C (14°F) and an average of 6°C (43°F), culminating in a maximum of 25°C (78°F). In contrast, March is colder, with a minimum of -23°C (-9°F) and an average temperature of -2°C (29°F), peaking at 20°C (69°F). Precipitation is notably higher in April, with 121 mm (4.7 in) over 12 days, compared to March's 84 mm (3.3 in) across 11 days. Despite April's increased rainfall, humidity remains fairly high in both months, with April's at 85% and March's slightly higher at 86%. For more detailed insights, check out Montreal weather in March.

April and May present a notable shift in weather patterns. In April, temperatures vary significantly, with a minimum of -10°C (14°F) and an average of 6°C (43°F), reaching a maximum of 25°C (78°F). This month experiences considerable precipitation at 121 mm (4.7 in) over 12 days, accompanied by high humidity at 85%. In contrast, May sees milder temperatures, with a minimum of -1°C (30°F) and an average of 14°C (57°F), peaking at a warm 36°C (97°F). Although precipitation decreases slightly to 97 mm (3.8 in) over 11 days, the humidity dips to 80%. For more detailed information, you can check Montreal weather in May.

In comparing April and June weather, April experiences a broader temperature range with minimums dropping as low as -10°C (14°F) and maximums reaching 25°C (78°F). The average temperature is significantly cooler at 6°C (43°F). In contrast, June brings milder conditions with a minimum temperature of 3°C (38°F) and an average of 19°C (67°F), peaking at a warm 34°C (94°F). Although both months see about 12 days of precipitation, April has slightly higher rainfall at 121 mm (4.7 in) compared to June's 103 mm (4.1 in). Furthermore, April's humidity is notably higher at 85%, while June enjoys more comfortable levels at 74%. For more detailed insights, you can check Montreal weather in June.

April and July present contrasting weather experiences. In April, temperatures fluctuate significantly, with a minimum of -10°C (14°F) and a maximum reaching 25°C (78°F), averaging around 6°C (43°F). This month faces considerable precipitation at 121 mm (4.7 in) over 12 days, accompanied by high humidity levels of 85%. In contrast, July enjoys a more stable and warmer climate, with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 35°C (95°F), averaging 22°C (72°F). Although July sees slightly less precipitation at 103 mm (4.1 in) across 14 days, the humidity is lower at 76%. For a more detailed perspective, you can check out Montreal weather in July.

April and August showcase contrasting weather patterns. In April, temperatures range from a chilly minimum of -10°C (14°F) to a comfortable maximum of 25°C (78°F), with an average of 6°C (43°F). The month experiences considerable precipitation, totaling 121 mm (4.7 in) over 12 days, and high humidity at 85%. In stark comparison, August enjoys milder conditions with minimum temperatures of 8°C (47°F) and a much warmer average of 21°C (70°F), peaking at 33°C (92°F). Despite slightly lower precipitation at 109 mm (4.3 in) over 13 days and reduced humidity of 75%, August offers a more pleasant and warmer atmosphere. For more details, visit Montreal weather in August.

April and September offer contrasting weather experiences. April showcases a chilly start with temperatures ranging from a minimum of -10°C (14°F) to an average of 6°C (43°F) and a maximum of 25°C (78°F), accompanied by significant precipitation of 121 mm (4.7 in) over 12 days. The humidity remains high at 85%, making it feel cooler. In contrast, September presents a more temperate climate, with temperatures ranging from a minimum of 2°C (35°F) to an average of 16°C (62°F) and peaking at 32°C (90°F). The month sees less precipitation, about 73 mm (2.9 in) over 9 days, and lower humidity at 78%, creating a more comfortable atmosphere. For a detailed look at September weather, check out Montreal weather in September.

April and October offer a transitional experience in weather, with distinct differences yet some similarities. In April, temperatures can vary widely, ranging from a chilling -10°C (14°F) to a pleasant 25°C (78°F), while the average temperature hovers around 6°C (43°F). The month sees about 121 mm (4.7 in) of precipitation over 12 days and maintains a high humidity level of 85%. In contrast, October features a milder temperature range, with minimums of -4°C (25°F) and maximums reaching 27°C (80°F), averaging around 10°C (50°F). Precipitation slightly increases to 139 mm (5.5 in) over 13 days, with humidity slightly higher at 86%. For a more detailed look at October weather, you can visit Montreal weather in October.

April and November in Montreal exhibit contrasting yet somewhat similar weather patterns. In April, temperatures range from a chilly minimum of -10°C (14°F) to a warm maximum of 25°C (78°F), with an average of 6°C (43°F). The month typically experiences 121 mm (4.7 in) of precipitation over 12 days and maintains a humidity level of 85%. Conversely, November sees colder conditions, with temperatures dipping to a minimum of -17°C (1°F) and an average around 2°C (35°F), while the maximum reaches 23°C (73°F). Precipitation is slightly lower at 118 mm (4.6 in) over 13 days, accompanied by a higher humidity level of 88%. For more detailed insights into the weather during this month, you can visit Montreal weather in November.

April and December in Montreal showcase stark contrasts in weather. In April, temperatures fluctuate significantly, ranging from a chilly minimum of -10°C (14°F) to a comfortable maximum of 25°C (78°F), with an average of 6°C (43°F). The month sees an average of 121 mm (4.7 in) of precipitation across 12 days, accompanied by relatively high humidity at 85%. In contrast, December presents a much harsher climate, with far colder temperatures hovering between a minimum of -26°C (-15°F) and a maximum of 14°C (57°F), resulting in an average of -5°C (24°F). Despite a lower total precipitation of 88 mm (3.5 in) over the same number of days, the humidity is slightly higher at 89%. For those interested in exploring winter conditions, you can find more details Montreal weather in December.

Compare Montreal's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Montreal

As April unfolds in Montreal, the city begins to shake off the chill of winter, embracing a dynamic transition into spring. With warmer temperatures that can soar up to 25°C (78°F), the month contrasts sharply with the lingering cold of earlier months. However, residents should be prepared for frequent precipitation, with about 12 days of rain contributing to a substantial amount of 121 mm (4.7 in) of moisture. The high humidity levels reaching 85% can make the air feel quite damp, yet it also invigorates the burgeoning flora, setting the stage for vibrant blooms. Overall, April stands out as a month of change, hinting at the warmer days to come. For a deeper insight into the city’s climate throughout the year, visit Montreal Climate.