Montreal weather in May
Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average
Montreal May weather at a glance
In May, Montreal averages 14.7°C, with typical highs of 19.4°C and lows of 10.1°C. The historical average is 15 wet days and 72% humidity.
Montreal May temperature & humidity
Montreal May rain & wet days
Pack a light rain jacket, waterproof pouch and quick-dry shoes. Keep an indoor stop available between outdoor activities.
What to wear in Montreal in May
T-shirts or long sleeves with one light outer layer should be comfortable. Rain is frequent at roughly 15 days in the month; pack a rain jacket and water-resistant shoes.
- DaytimeLong sleeves and a light jacket · average high 19.4°C
- Morning & eveningLong sleeves with a jacket or cardigan · average low 10.1°C
- FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Packing essentials
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Montreal May sunrise & sunset times
2026 May · Local time (America/Toronto)
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 2026-05-01 | 05:42 | 20:01 | 14h 19m |
| 2026-05-15 | 05:24 | 20:18 | 14h 55m |
| 2026-05-31 | 05:10 | 20:35 | 15h 25m |
For sunset photos, arrive before the listed sunset time. Clouds, mountains and buildings can change when the sun becomes visible or disappears.
Calculated for the city coordinates with daylight saving applied. SunCalc · tz-lookup
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Best months to visit Montreal
Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.
May weather by year
Daily weather in 2025
Daily high and low temperatures; blue labels show precipitation
Frequently asked questions
What is Montreal weather like in May?
In May, Montreal averages 14.7°C, with typical highs of 19.4°C and lows of 10.1°C. The historical average is 15 wet days and 72% humidity. Our weather-comfort rating for this month is fair.
Does it rain a lot in Montreal in May?
There are about 15 wet days in May. Pack a rain jacket and water-resistant shoes.
What should I wear in Montreal in May?
T-shirts or long sleeves with one light outer layer should be comfortable. Rain is frequent at roughly 15 days in the month; pack a rain jacket and water-resistant shoes.
What are the best months to visit Montreal?
Recent weather data rates August, September among the more comfortable months.
Where can I check Montreal weather in May in real time?
Check local webcams for the view right now and a local weather service for today’s forecast. Monthly temperatures here are historical averages.
What time are sunrise and sunset in Montreal in May?
On 2026-05-15, calculated sunrise is 05:24 and sunset is 20:18 in local time (America/Toronto). Times vary by date and terrain.
Montreal weather by month
More Americas destinations in May
Open-Meteo (CC BY 4.0) · 2024–2025 historical data, aggregated and rounded by this site. Not a forecast or long-term climate normal. Calculation method and limitations