Joliette Climate by Month
Joliette, 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 Joliette's climate in short. Afternoon highs range from 20°F (-6°C) in January to 79°F (26°C) in July, and January nights average 2°F (-16°C). About 41 in (1053 mm) of rain falls in a typical year, with no clear rainy season. The air is humid, averaging 83% relative humidity.
- Warmest month
- 79°F(26°C)
- Average high, July
- Coldest nights
- 2°F(-16°C)
- Average low, January
- Rain per year
- 41 in(1053 mm)
- No clear rainy season
- Humidity
- 83%
- Sunniest: June
Best and worst months in Joliette
Best for weatherJune and August are the best time for weather in Joliette: highs near 76°F (25°C) and about 4.3 in (109 mm) of rain a month.
Least pleasantJanuary is the least pleasant month: it's the coldest, with highs of only 20°F (-6°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)
Joliette weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 20°F(-6°C) | 2°F(-16°C) | 2.9 in(74 mm) | 100% | 1.5 |
| FebFebruary | 24°F(-4°C) | 3°F(-16°C) | 2.2 in(57 mm) | 100% | 2.3 |
| MarMarch | 34°F(1°C) | 15°F(-9°C) | 2.6 in(65 mm) | 89% | 3.3 |
| AprApril | 49°F(9°C) | 31°F(-1°C) | 3.7 in(94 mm) | 72% | 4.5 |
| MayMay | 65°F(18°C) | 43°F(6°C) | 3.5 in(88 mm) | 63% | 5.2 |
| JunJuneBest | 75°F(24°C) | 53°F(12°C) | 4.5 in(114 mm) | 69% | 5.6 |
| JulJuly | 79°F(26°C) | 58°F(14°C) | 3.7 in(93 mm) | 76% | 5.6 |
| AugAugustBest | 78°F(25°C) | 57°F(14°C) | 4.1 in(103 mm) | 75% | 4.9 |
| SepSeptember | 70°F(21°C) | 49°F(10°C) | 3.4 in(86 mm) | 81% | 3.8 |
| OctOctober | 56°F(13°C) | 38°F(4°C) | 4.4 in(111 mm) | 82% | 2.2 |
| NovNovember | 42°F(6°C) | 28°F(-2°C) | 3.5 in(89 mm) | 86% | 1.4 |
| DecDecember | 29°F(-2°C) | 14°F(-10°C) | 3.1 in(79 mm) | 100% | 1.1 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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