Sept-Îles Climate by Month
Sept-Îles, Quebec, Canada
Mild summers and bitterly cold winters, with rain spread through the year.
Sept-Îles has mild summers and bitterly cold winters, with rain spread through the year. Expect highs of 70°F (21°C) in July and 18°F (-8°C) in January, with the coldest nights (January) near -1°F (-18°C). It gets 45 in (1133 mm) of rain a year, spread across the months. The air is humid, averaging 80% relative humidity.
- Warmest month
- 70°F(21°C)
- Average high, July
- Coldest nights
- -1°F(-18°C)
- Average low, January
- Rain per year
- 45 in(1133 mm)
- No clear rainy season
- Humidity
- 80%
- Sunniest: June
Best and worst months in Sept-Îles
Best for weatherThe most comfortable weather comes in July and August, with highs around 70°F (21°C) and about 4.0 in (101 mm) of rain a month.
Least pleasantJanuary is the least pleasant month: it's the coldest, with highs of only 18°F (-8°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 July.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Sept-Îles weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 18°F(-8°C) | -1°F(-18°C) | 3.0 in(75 mm) | 89% | 1.2 |
| FebFebruary | 20°F(-6°C) | 1°F(-17°C) | 2.6 in(66 mm) | 82% | 2.2 |
| MarMarch | 30°F(-1°C) | 11°F(-11°C) | 3.3 in(84 mm) | 79% | 3.4 |
| AprApril | 41°F(5°C) | 26°F(-3°C) | 3.2 in(81 mm) | 78% | 4.6 |
| MayMay | 54°F(12°C) | 38°F(3°C) | 3.8 in(96 mm) | 66% | 5.2 |
| JunJune | 64°F(18°C) | 47°F(8°C) | 3.8 in(96 mm) | 73% | 5.5 |
| JulJulyBest | 70°F(21°C) | 54°F(12°C) | 4.2 in(106 mm) | 74% | 5.3 |
| AugAugustBest | 69°F(21°C) | 53°F(12°C) | 3.8 in(96 mm) | 76% | 4.5 |
| SepSeptember | 61°F(16°C) | 44°F(7°C) | 4.3 in(108 mm) | 82% | 3.3 |
| OctOctober | 49°F(9°C) | 35°F(1°C) | 5.0 in(128 mm) | 78% | 1.9 |
| NovNovember | 37°F(3°C) | 24°F(-5°C) | 3.9 in(99 mm) | 87% | 1.1 |
| DecDecember | 26°F(-3°C) | 9°F(-13°C) | 3.9 in(98 mm) | 90% | 0.9 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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