Home › Cities › Canada › Quebec › Sept-Îles
Sept-Îles, Quebec climate
Dfb Warm-summer humid continental
Sept-Îles has a strongly seasonal cold-temperate climate (Warm-summer humid continental, Köppen Dfb). The hottest month is July with an average daily high near 21°C, while the coldest is January averaging around −17°C at night. Precipitation is fairly even year-round, totalling about 1003 mm.
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figuresClear vs cloudy days
Share of days each month that are clear, partly cloudy or cloudy · 1991–2020 · hover a month for the day countsSept-Îles climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | −8 | −6 | −1 | 5 | 12 | 18 | 21 | 21 | 16 | 9 | 2 | −4 |
| Avg temp (°C) | −13 | −11 | −6 | 1 | 8 | 14 | 17 | 16 | 12 | 5 | −1 | −8 |
| Avg low (°C) | −17 | −16 | −10 | −3 | 4 | 9 | 13 | 12 | 8 | 2 | −4 | −12 |
| Precipitation (mm) | 69 | 57 | 60 | 83 | 73 | 78 | 99 | 95 | 95 | 105 | 95 | 92 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | −8 | −6 | −1 | 5 | 12 | 18 |
| Avg temp (°C) | −13 | −11 | −6 | 1 | 8 | 14 |
| Avg low (°C) | −17 | −16 | −10 | −3 | 4 | 9 |
| Precipitation (mm) | 69 | 57 | 60 | 83 | 73 | 78 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 21 | 21 | 16 | 9 | 2 | −4 |
| Avg temp (°C) | 17 | 16 | 12 | 5 | −1 | −8 |
| Avg low (°C) | 13 | 12 | 8 | 2 | −4 | −12 |
| Precipitation (mm) | 99 | 95 | 95 | 105 | 95 | 92 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 13 | 11 | 12 | 11 | 12 | 12 | 12 | 12 | 11 | 13 | 13 | 14 |
| Days with high ≥ 32°C (days) | — | — | — | — | — | 0.0 | 0.0 | — | — | — | — | — |
| Days with low ≤ 0°C (days) | 29 | 26 | 29 | 23 | 5 | 0.0 | 0.0 | — | 0.4 | 9 | 23 | 29 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 13 | 11 | 12 | 11 | 12 | 12 |
| Days with high ≥ 32°C (days) | — | — | — | — | — | 0.0 |
| Days with low ≤ 0°C (days) | 29 | 26 | 29 | 23 | 5 | 0.0 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 12 | 12 | 11 | 13 | 13 | 14 |
| Days with high ≥ 32°C (days) | 0.0 | — | — | — | — | — |
| Days with low ≤ 0°C (days) | 0.0 | — | 0.4 | 9 | 23 | 29 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 63 | 61 | 62 | 64 | 70 | 69 | 70 | 67 | 68 | 74 | 73 | 66 |
| Clear days (≤ 30% cloud) | 4 | 4 | 5 | 6 | 3 | 3 | 3 | 3 | 4 | 2 | 2 | 4 |
| Partly cloudy days (30–70%) | 13 | 12 | 12 | 9 | 9 | 10 | 10 | 12 | 10 | 9 | 10 | 12 |
| Cloudy days (≥ 70%) | 14 | 12 | 14 | 15 | 18 | 17 | 18 | 16 | 16 | 20 | 18 | 15 |
| Relative humidity (%) | 100 | 99 | 98 | 91 | 81 | 81 | 83 | 84 | 85 | 87 | 92 | 98 |
| Wind speed (m/s) | 0.9 | 1.1 | 1.0 | 0.8 | 0.5 | 0.4 | 0.3 | 0.4 | 0.4 | 0.5 | 0.5 | 0.7 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 63 | 61 | 62 | 64 | 70 | 69 |
| Clear days (≤ 30% cloud) | 4 | 4 | 5 | 6 | 3 | 3 |
| Partly cloudy days (30–70%) | 13 | 12 | 12 | 9 | 9 | 10 |
| Cloudy days (≥ 70%) | 14 | 12 | 14 | 15 | 18 | 17 |
| Relative humidity (%) | 100 | 99 | 98 | 91 | 81 | 81 |
| Wind speed (m/s) | 0.9 | 1.1 | 1.0 | 0.8 | 0.5 | 0.4 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 70 | 67 | 68 | 74 | 73 | 66 |
| Clear days (≤ 30% cloud) | 3 | 3 | 4 | 2 | 2 | 4 |
| Partly cloudy days (30–70%) | 10 | 12 | 10 | 9 | 10 | 12 |
| Cloudy days (≥ 70%) | 18 | 16 | 16 | 20 | 18 | 15 |
| Relative humidity (%) | 83 | 84 | 85 | 87 | 92 | 98 |
| Wind speed (m/s) | 0.3 | 0.4 | 0.4 | 0.5 | 0.5 | 0.7 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 24 years of daily observations at Baie-comeau, a weather station, about 164 km from the city centre. The underlying daily records come from NOAA's global station network.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.