Question 1

How cold did Montreal get in winter 2023/24?

Accepted Answer

Montreal experienced significant cold during winter 2023/24 (December 2023 to February 2024), with the coldest temperature reaching -22.8°C (-9.0°F) on January 19, 2024.

The overall winter average temperature in Montreal was -4.3°C (24.3°F), though conditions varied considerably across the three-month period. January 2024 proved to be the coldest month, averaging -6.4°C (20.5°F), followed by February at -4.7°C (23.6°F), and December 2023 at -1.8°C (28.7°F).

A particularly intense cold snap gripped Montreal from January 17-21, 2024, when average daily temperatures plummeted to -14.3°C (6.2°F). During this period, the city recorded two days with lows dropping below -20°C (-4°F). Throughout the entire winter, Montreal experienced 41 days with temperatures falling below -10°C (14°F) and 16 days below -15°C (5°F).

Despite the harsh cold spells, Montreal's winter 2023/24 also saw surprising warmth at times. February 28, 2024 reached an unusually mild high of 15.7°C (60.3°F), demonstrating the significant temperature swings typical of Montreal winters. These conditions require residents and visitors to prepare for both extreme cold and occasional thaws when planning winter activities in the city.

Question 2

What were the average summer temperatures in Montreal in 2024?

Accepted Answer

Montreal experienced average summer temperatures of 20.9°C (69.5°F) during the 2024 summer season from June through August. July was the warmest month with an average of 22.3°C (72.1°F), followed by August at 20.3°C (68.5°F) and June at 20.0°C (67.9°F).

Daily highs in Montreal during summer 2024 typically reached 25.7°C (78.3°F), while overnight lows averaged 16.0°C (60.9°F). The city recorded 8 days with temperatures reaching or exceeding 30°C (86°F), with the hottest day occurring on June 19 when the mercury hit 32.9°C (91.2°F).

Summer 2024 in Montreal offered approximately 9.5 hours of sunshine per day on average, accumulating 876 hours of sunshine across the season. However, the summer was notably wet, with total precipitation reaching 468mm (18.4 inches) over the three-month period.

These conditions made Montreal ideal for outdoor activities during the early morning and evening hours, though visitors and residents found midday temperatures comfortable compared to more extreme summer climates. The mix of warm days and cooler nights is characteristic of Montreal's continental climate, providing pleasant conditions for festivals, patios, and exploring the city's outdoor attractions.

Question 3

How much rainfall did Montreal receive in 2024?

Accepted Answer

Montreal received a total of 1,393.7mm (54.9 inches) of precipitation in 2024, distributed across all twelve months with notable seasonal variations.

The wettest period in Montreal during 2024 was summer, with June through August accumulating 468.1mm (18.4 inches) of rainfall. June stood out as particularly wet with 172.7mm (6.8 inches), while August followed closely with 169.1mm (6.7 inches). Spring 2024 also brought significant precipitation, totaling 428.3mm (16.9 inches) from March through May.

April 2024 was the single wettest month in Montreal, recording 190.8mm (7.5 inches) of precipitation. In contrast, October was the driest month with just 60.5mm (2.4 inches). The autumn season overall was notably drier than the rest of the year, with September through November receiving only 187.9mm (7.4 inches) combined.

Monthly precipitation in Montreal averaged 116.1mm (4.6 inches) throughout 2024. The winter months of January, February, and December contributed 309.4mm (12.2 inches) to the annual total, with January alone receiving 150.6mm (5.9 inches) primarily as snow.

These 2024 precipitation patterns are typical for Montreal's humid continental climate, where summer thunderstorms and spring rainfall contribute the bulk of annual moisture, while autumn tends to be the driest season.

Question 4

What is the sunniest time of year in Montreal?

Accepted Answer

The sunniest time of year in Montreal is during the summer months, with July standing out as the brightest month. In 2024, Montreal recorded a total of 2,406.7 sunshine hours across the entire year.

July 2024 was by far the sunniest month in Montreal, logging an impressive 333.5 hours of sunshine. This translates to an average of 10.8 hours of sunlight per day, making it ideal for outdoor activities, festivals, and exploring the city. August followed with 276.2 hours, and June rounded out the top three with 266.7 hours of sunshine.

The summer season (June through August) accounted for 876.4 hours of sunshine in Montreal, representing 36.4% of the annual total. On average, summer months in Montreal delivered 292.1 hours of sunshine each, nearly 2.8 times more than the winter months which averaged just 106.1 hours.

In contrast, December 2024 was the least sunny month in Montreal with only 81.6 hours of sunshine. The winter period shows significantly reduced daylight, a characteristic of Montreal's northern latitude.

For visitors seeking sunny weather conditions in Montreal, planning a trip between June and August offers the best chances of bright, clear days. The extended daylight hours during this period also mean more time to enjoy Montreal's outdoor terraces, parks, and waterfront areas.

Question 5

What was the windiest month in Montreal in 2024?

Accepted Answer

April was the windiest month in Montreal in 2024, with average wind speeds of 15.0 km/h (9.3 mph). This made it notably breezier than the annual average of 12.5 km/h (7.8 mph) recorded throughout the year.

Spring proved to be Montreal's windiest season in 2024, with March and April leading the way. March followed closely behind at 14.4 km/h (8.9 mph), while the entire spring period from March through May averaged 13.9 km/h (8.6 mph). These stronger winds typically result from the clash between lingering cold air masses and warming temperatures as winter transitions to spring.

In contrast, Montreal experienced its calmest conditions during late summer and early winter. August recorded the lowest summer winds at 11.0 km/h (6.8 mph), and December was the calmest month overall at just 10.3 km/h (6.4 mph). Summer as a whole averaged 11.5 km/h (7.1 mph), making it the best season for outdoor activities that require calmer conditions.

For those planning outdoor events or activities in Montreal, the data suggests avoiding April if wind-sensitive activities like photography, outdoor dining, or cycling are involved. Late summer months offer the most reliably calm weather conditions.

Notre-Dame-des-Victoires

Quebec

Wind

Weather Map

FAQ

How cold did Montreal get in winter 2023/24?

What were the average summer temperatures in Montreal in 2024?

How much rainfall did Montreal receive in 2024?

What is the sunniest time of year in Montreal?

What was the windiest month in Montreal in 2024?