Montréal Climate by Month
Montréal, Quebec, Canada
Warm summers and bitterly cold winters, with rain spread through the year.
Warm summers and bitterly cold winters, with rain spread through the year: that's Montréal's climate in short. Afternoon highs range from 23°F (-5°C) in January to 81°F (27°C) in July, and January nights average 7°F (-14°C). It gets 42 in (1068 mm) of rain a year, spread across the months.
- Warmest month
- 81°F(27°C)
- Average high, July
- Coldest nights
- 7°F(-14°C)
- Average low, January
- Rain per year
- 42 in(1068 mm)
- No clear rainy season
- Humidity
- 77%
- Sunniest: July
Best and worst months in Montréal
Best for weatherThe most comfortable weather comes in June and September, with highs around 74°F (23°C) and about 3.8 in (96 mm) of rain a month.
Least pleasantJanuary is the least pleasant month: it's the coldest, with highs of only 23°F (-5°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in June.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Montréal weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 23°F(-5°C) | 7°F(-14°C) | 3.0 in(76 mm) | 100% | 1.5 |
| FebFebruary | 26°F(-3°C) | 9°F(-13°C) | 2.4 in(62 mm) | 90% | 2.3 |
| MarMarch | 37°F(3°C) | 20°F(-7°C) | 2.9 in(73 mm) | 76% | 3.3 |
| AprApril | 52°F(11°C) | 34°F(1°C) | 3.7 in(94 mm) | 64% | 4.4 |
| MayMay | 67°F(19°C) | 46°F(8°C) | 3.7 in(93 mm) | 58% | 5.2 |
| JunJuneBest | 76°F(25°C) | 56°F(13°C) | 4.1 in(103 mm) | 69% | 5.6 |
| JulJuly | 81°F(27°C) | 61°F(16°C) | 3.7 in(95 mm) | 70% | 5.6 |
| AugAugust | 79°F(26°C) | 60°F(15°C) | 3.9 in(100 mm) | 69% | 5.0 |
| SepSeptemberBest | 72°F(22°C) | 52°F(11°C) | 3.5 in(89 mm) | 74% | 3.9 |
| OctOctober | 57°F(14°C) | 41°F(5°C) | 4.1 in(103 mm) | 77% | 2.3 |
| NovNovember | 43°F(6°C) | 30°F(-1°C) | 3.5 in(90 mm) | 82% | 1.4 |
| DecDecember | 30°F(-1°C) | 17°F(-8°C) | 3.5 in(90 mm) | 92% | 1.1 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
Places with a similar climate
All 20 places like Montréal →- 🇨🇦CornwallOntario, Canada · Pop. 49k99%matchSame summer highsSame winter lowsMontréal vs Cornwall →
- 🇨🇦OttawaOntario, Canada · Pop. 1.0M99%matchSame summer highsSame winter lowsMontréal vs Ottawa →
- 🇨🇦SherbrookeQuebec, Canada · Pop. 129k99%matchSimilar rainfallSame sunshineMontréal vs Sherbrooke →
- 🇨🇦FrederictonNew Brunswick, Canada · Pop. 63k96%matchSame winter lowsSame summer highsMontréal vs Fredericton →
- 🇨🇦Sault Ste. MarieOntario, Canada · Pop. 72k95%matchSame summer highsSame winter lowsMontréal vs Sault Ste. Marie →