May 19 is generally a great time to visit Montreal. While there is a slight chance of rain (29%), showers are usually brief. Expect comfortable 19°C weather. As it's peak season for Montreal, we recommend booking your stay well in advance to secure the best rates. Note: May 19 is Victoria Day in Montreal, so expect special events, closures, and festive atmosphere.
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Essential Travel Info for Montreal
Currency
CAD
$ Canadian dollar
Language
English
+1 more
Driving
Right side
Connect
Montreal has four area codes: the long-s...
Safety
Very High Safety
GPI: 1.389
Montreal Weather Forecast for May 19
"Mild & Comfortable. Expect average highs of 18.9°C. 29% chance of rain."
What to Wear in Montreal in May
Based on historical data for May 19, Montreal typically experiences temperatures between 8.5°C and 18.9°C. We recommend packing light jacket, long pants to stay comfortable. With a 29% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Montreal
Smart Suitcase
- Light Jacket
- Long Pants
Average High
18.9°C
Daytime Peak
Average Low
8.5°C
Nighttime Low
Feels Like
18.9°C
🌤️ Feels accurate
Rain Chance
29%
Avg 1.7mm if it rains
Cloud Cover
62%
Overcast
Pressure
1014.8 hPa
High volatility
Montreal Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
✓ Weather is generally predictable, but pack for minor variations. A light backup layer is recommended.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
04:00 - 10:00
16:00 - 19:00
Type I-II
🔴 18 min to burn
Type III-IV
🟡 27 min to burn
Type V-VI
🟢 45 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
12.2°C
Pleasant
Heat Stress
Low
No heat warning
😊 Best outdoor time:
Any time during daylight hours
Travel & Logistics Insights
Local Calendar
Holiday
Victoria Day
Flight Traffic
High
87/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~297
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Montreal
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
04:20
☀️ Noon
11:52
🌇 Sunset
19:23
⏱️ Daylight
15h 2m
Wind Speed
18.2 km/h
Gentle breeze
Sunshine
10.0 hrs
Direct Sun (Cloud-free)
Humidity
65%
Slightly humid
Travel Intelligence
Exclusive flight analytics & health data for Montreal
Smart Flight Estimator
Airport-to-Airport Logistics
unlock smart flight estimates
Add your home location in settings to see airport details.
Travel Health & Safety in Montreal
Travel Comfort Index
Real-time tourism conditions
Weather Quality
⛅ Good
Tourist Crowds
🟡 Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Rapid pressure changes detected. High risk for meteosensitive people.
Weather unlikely to affect joint pain.
Fish are active due to pressure changes.
Air quality is acceptable. Sensitive individuals should limit prolonged outdoor exertion.
Regional Safety Profile
Seismic Activity
Rare minor tremors. Buildings are earthquake-resistant.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Montreal on May 19 averages 18.9°C with a 29% precipitation probability. Wedding/Outdoor Event Score: 89/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Montreal Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
May 23
20°C • 27% rain
Score
94
May 22
19.8°C • 29% rain
Score
93
May 25
20.1°C • 31% rain
Score
93
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (May 19) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Montreal Worth Visiting on May 19?
Planning a trip to Montreal on May 19? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year is characterized by pleasant mild weather averaging 18.9°C with a 29% historical precipitation risk.
🎉 Local Event: The date coincides with Victoria Day, which may influence local business hours and event availability.
✈️ Travel Logistics: Approximately 297 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 6 vaccinations are recommended for Canada, including COVID-19.
📊 Historical Extremes: The hottest May 19 recorded in the last 30 years saw temperatures hit 25.4°C in 2021, while the coldest dropped to 5.4°C in 2018.