October 23 is generally a great time to visit Montreal. While there is a slight chance of rain (34%), showers are usually brief. Expect comfortable 12°C weather. As it's peak season for Montreal, we recommend booking your stay well in advance to secure the best rates.
View the full calendar
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 October 23
"Mild & Comfortable. Expect average highs of 11.9°C. 34% chance of snow."
What to Wear in Montreal in October
Based on historical data for October 23, Montreal typically experiences temperatures between 5.1°C and 11.9°C. We recommend packing heavy coat, scarf, gloves along with other layers to stay comfortable. With a 34% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Montreal
Smart Suitcase
- Heavy Coat
- Scarf
- Gloves
- Umbrella
Average High
11.9°C
Daytime Peak
Average Low
5.1°C
Nighttime Low
Feels Like
10.7°C
🌤️ Minor difference
Snow Chance
34%
Avg 2.9mm if it snows
Snowfall
0.1 cm
~34% chance
Pressure
1015.6 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 15 for extended outdoor time
Type I-II
🔴 73 min to burn
Type III-IV
🟡 110 min to burn
Type V-VI
🟢 183 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
7.8°C
Dry air
Heat Stress
Low
No heat warning
😐 Best outdoor time:
Any time during daylight hours
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Canada
Flight Traffic
High
83/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~283
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Montreal
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:22
☀️ Noon
11:39
🌇 Sunset
16:57
⏱️ Daylight
10h 35m
Wind Speed
19.2 km/h
Gentle breeze
Sunshine
5.8 hrs
Direct Sun (Cloud-free)
Humidity
76%
Humid / Damp
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
💰💰 Moderate
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 October 23 averages 11.9°C with a 34% precipitation probability. Wedding/Outdoor Event Score: 70/100."
— 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
October 18
12.8°C • 30% rain
Score
79
October 17
12.9°C • 32% rain
Score
78
October 16
13.1°C • 32% rain
Score
77
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (October 23) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Montreal Worth Visiting on October 23?
Planning a trip to Montreal on October 23? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year offers a bracing seasonal atmosphere averaging 11.9°C with a 34% historical precipitation risk.
✈️ Travel Logistics: Approximately 283 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 October 23 recorded in the last 30 years saw temperatures hit 22.7°C in 2024, while the coldest dropped to 2.2°C in 2018.