Saint-Jean-sur-Richelieu Climate by Month
Saint-Jean-sur-Richelieu, Quebec, Canada
Warm summers and freezing winters, with rain spread through the year.
Saint-Jean-sur-Richelieu has warm summers and freezing winters, with rain spread through the year. Expect highs of 80°F (27°C) in July and 24°F (-4°C) in January, with the coldest nights (January) near 8°F (-14°C). About 41 in (1036 mm) of rain falls in a typical year, with no clear rainy season.
- Warmest month
- 80°F(27°C)
- Average high, July
- Coldest nights
- 8°F(-14°C)
- Average low, January
- Rain per year
- 41 in(1036 mm)
- No clear rainy season
- Humidity
- 77%
- Sunniest: July
Best and worst months in Saint-Jean-sur-Richelieu
Best for weatherJune and September are the best time for weather in Saint-Jean-sur-Richelieu: highs near 74°F (23°C) and about 3.7 in (95 mm) of rain a month.
Least pleasantJanuary is the least pleasant month: it's the coldest, with highs of only 24°F (-4°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)
Saint-Jean-sur-Richelieu weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 24°F(-4°C) | 8°F(-14°C) | 2.6 in(66 mm) | 97% | 1.5 |
| FebFebruary | 27°F(-3°C) | 9°F(-13°C) | 2.2 in(55 mm) | 89% | 2.3 |
| MarMarch | 37°F(3°C) | 20°F(-6°C) | 2.6 in(66 mm) | 75% | 3.4 |
| AprApril | 52°F(11°C) | 34°F(1°C) | 3.5 in(88 mm) | 64% | 4.5 |
| MayMay | 67°F(19°C) | 46°F(8°C) | 3.6 in(92 mm) | 64% | 5.2 |
| JunJuneBest | 76°F(24°C) | 55°F(13°C) | 4.3 in(108 mm) | 70% | 5.6 |
| JulJuly | 80°F(27°C) | 61°F(16°C) | 4.1 in(105 mm) | 71% | 5.6 |
| AugAugust | 79°F(26°C) | 59°F(15°C) | 3.9 in(99 mm) | 71% | 5.0 |
| SepSeptemberBest | 72°F(22°C) | 51°F(11°C) | 3.2 in(82 mm) | 75% | 3.9 |
| OctOctober | 57°F(14°C) | 40°F(5°C) | 4.3 in(109 mm) | 77% | 2.3 |
| NovNovember | 44°F(7°C) | 30°F(-1°C) | 3.2 in(82 mm) | 81% | 1.4 |
| DecDecember | 31°F(0°C) | 18°F(-8°C) | 3.3 in(84 mm) | 90% | 1.1 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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