Montreal in October
In October, Montreal averages 14°C (57°F) during the day and 7°C (44°F) at night, with frequent rain — about 18 days of the month see precipitation (135 mm total).
ShoulderConditions are cool — bring a jacket for evenings. Expect daily rain or showers, often in heavy bursts.
October is one of the wetter and less comfortable months in Montreal. If your dates are flexible, consider a different time of year.
How October compares to the rest of the year in Montreal
October is in the middle of the year for warmth in Montreal (6th of 12) and moderately rainy compared to the rest of the year (5th of 12). Daytime temperature runs 2°C above the annual average (12°C). October runs 7°C cooler than September (21°C) and cools 8°C in November (6°C).
October sunrise & sunset in Montreal
Times shown for Montreal local time (America/Montreal), calculated for the 15th of October. They shift by a few minutes day to day across the month.
Photography light in Montreal — October
Golden-hour and blue-hour windows for the 15th of October, in Montreal's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Montreal in October
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on October's tier (Shoulder) and Montreal's popularity.
Crowds & pricing — October in Montreal
Montreal is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.
Sun & mosquito risk — October in Montreal
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Montreal in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | -5°C / 23°F | -13°C / 8°F | 74 mm | 17 | — |
| February | -3°C / 26°F | -13°C / 9°F | 80 mm | 17 | — |
| March | 2°C / 36°F | -7°C / 20°F | 81 mm | 18 | — |
| April | 11°C / 51°F | 1°C / 33°F | 120 mm | 17 | — |
| May | 19°C / 67°F | 9°C / 47°F | 70 mm | 16 | — |
| June | 24°C / 74°F | 14°C / 58°F | 121 mm | 19 | — |
| July | 26°C / 79°F | 18°C / 64°F | 95 mm | 20 | — |
| August | 25°C / 77°F | 17°C / 63°F | 109 mm | 20 | — |
| September | 21°C / 70°F | 13°C / 55°F | 80 mm | 14 | — |
| October | 14°C / 57°F | 7°C / 44°F | 135 mm | 18 | — |
| November | 6°C / 42°F | -1°C / 30°F | 80 mm | 17 | — |
| December | 0°C / 31°F | -7°C / 19°F | 91 mm | 16 | — |
Other cities with similar October weather
🌍 See the full ranked list of climate twins for Montreal in October →
Frequently asked questions
How hot is Montreal in October?
In October, Montreal averages a high of 14°C (57°F) and a low of 7°C (44°F) — generally cool.
Does it rain a lot in Montreal in October?
October is quite rainy in Montreal, with about 18 rainy days on average.
Is October a good time to visit Montreal?
October is cool but on the rainy side. It suits travelers who are comfortable with cool weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Montreal in October?
Pack a warm jacket and layers, plus a compact umbrella or rain jacket. See the full October packing list for Montreal for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.