Longueuil Climate by Month
Longueuil, Quebec, Canada
Warm summers and freezing winters, with rain spread through the year.
Warm summers and freezing winters, with rain spread through the year: that's Longueuil's climate in short. Afternoon highs range from 24°F (-5°C) in January to 81°F (27°C) in July, and January nights average 8°F (-13°C). About 41 in (1039 mm) of rain falls in a typical year, with no clear rainy season.
- Warmest month
- 81°F(27°C)
- Average high, July
- Coldest nights
- 8°F(-13°C)
- Average low, January
- Rain per year
- 41 in(1039 mm)
- No clear rainy season
- Humidity
- 76%
- Sunniest: June
Best and worst months in Longueuil
Best for weatherJune is the best time for weather in Longueuil: highs near 76°F (24°C) and about 3.9 in (99 mm) of rain a month.
Least pleasantJanuary is the least pleasant month: it's the coldest, with highs of only 24°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)
Longueuil weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 24°F(-5°C) | 8°F(-13°C) | 2.9 in(74 mm) | 97% | 1.5 |
| FebFebruary | 27°F(-3°C) | 10°F(-12°C) | 2.4 in(60 mm) | 87% | 2.3 |
| MarMarch | 37°F(3°C) | 20°F(-6°C) | 2.8 in(72 mm) | 76% | 3.3 |
| AprApril | 51°F(11°C) | 34°F(1°C) | 3.5 in(88 mm) | 65% | 4.5 |
| MayMay | 66°F(19°C) | 46°F(8°C) | 3.5 in(89 mm) | 65% | 5.2 |
| JunJuneBest | 76°F(24°C) | 55°F(13°C) | 3.9 in(99 mm) | 70% | 5.6 |
| JulJuly | 81°F(27°C) | 61°F(16°C) | 3.7 in(94 mm) | 70% | 5.6 |
| AugAugust | 79°F(26°C) | 60°F(16°C) | 3.8 in(97 mm) | 69% | 5.0 |
| SepSeptember | 72°F(22°C) | 53°F(11°C) | 3.4 in(87 mm) | 73% | 3.9 |
| OctOctober | 57°F(14°C) | 42°F(5°C) | 4.0 in(102 mm) | 75% | 2.3 |
| NovNovember | 44°F(7°C) | 31°F(-1°C) | 3.4 in(87 mm) | 79% | 1.4 |
| DecDecember | 31°F(0°C) | 18°F(-8°C) | 3.5 in(90 mm) | 88% | 1.1 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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