Sept-Îles weather in January

In January, Sept-Îles sees average daytime highs of -10°C and overnight lows near -19°C, with 69 mm of precipitation across 10.4 wet days and about 8.3 hours of daylight. It is the 12th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near -10°C through the month. The sky is clear or mostly clear about 34% of the time in January, and the air most often feels dry.

Daylight stretches from about 7 h 54 min at the start of January to 8 h 54 min by month's end. Set against the rest of the year, January is Sept-Îles's 1st-clearest and 2nd-windiest month. For the whole year in context, see Sept-Îles's year-round climate.

Daytime high
-10°
12th warmest
Overnight low
-19°
1st coldest
Precipitation
69 mm
10.4 wet days
Daylight
8 h 18 min
7:26 AM – 3:43 PM
Cloud cover
59%
1st clearest
Wind
14 km/h
2nd windiest
Solar energy
1.32 kWh/m²
Travel score
0.0
out of 10

Sept-Îles is city in Quebec, Canada.

Density
13/km²
people per km²
Founded
2003

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near -10°C through the month.

A typical January day in Sept-Îles reaches about -10°C in the afternoon and slips back to -19°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between -19°C and -1°C. Set against its neighbours, January runs about 4°C cooler than December and about 2°C cooler than February.

-30°-20°-10°151015202531
Avg high (°C)Avg low (°C)
1-9-18
2-9-18
3-9-18
4-10-18
5-10-18
6-10-18
7-10-18
8-10-19
9-10-19
10-10-19
11-10-19
12-10-19
13-10-19
14-10-19
15-10-19
16-10-19
17-10-20
18-11-20
19-11-20
20-11-20
21-11-20
22-11-20
23-11-20
24-11-20
25-11-20
26-11-20
27-11-20
28-10-20
29-10-20
30-10-20
31-10-20

How January really feels in Sept-Îles

Once humidity and wind are folded in, January averages 0 days that feel above 32°C and 31 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
31
31 feel bitter (≤ -10°C)

The story in January is cold — wind chill drags the overnight "feels like" below the raw low.

Sept-Îles weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-10° / -19°6910.411.18.30.0
Feb-8° / -18°548.79.39.70.0
Mar-2° / -11°7510.310.211.50.0
Apr / -4°8210.67.813.50.2
May12° / 8511.41.915.22.8
Jun18° / 8111.6016.15.4
Jul21° / 12°10213.5015.75.8
Aug20° / 11°9312.4014.35.9
Sep15° / 10312.20.112.44.3
Oct / 11312.42.810.51.3
Nov / -6°10312.28.68.80.0
Dec-6° / -14°9511.6127.90.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in January, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 12% of January, with mostly cloudy or overcast conditions the remaining 55%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24555
34555
44555
54555
64555
74555
84456
94456
104456
114357
124357
134357
144456
154456
164456
174555
184555
194654
204654
214654
224753
234753
244753
254753
264852
274951
284951
294852
304852
314852

Chance of precipitation in January

Any precipitationSnow

Sept-Îles gets around 69 mm of rain and snow over 10.4 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 33% and peaks near 35% on the wettest days, and about 11 days bring snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
13437
23437
33336
43336
53336
63436
73436
83437
93437
103437
113437
123537
133537
143537
153537
163537
173537
183537
193537
203537
213436
223436
233336
243335
253235
263234
273134
283033
293033
302932
312832

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

Most of January feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, January lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in January

Winds average 14 km/h in January.

Across January, daily wind ranges from about 14 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 7 h 54 min at the start of January to 8 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 60 minutes over January. Sunrise moves from 7:32 AM to 7:11 AM, and sunset from 3:26 PM to 4:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
17.97:323:26
27.97:323:26
37.97:323:27
47.97:323:28
58.07:313:30
68.07:313:31
78.07:313:32
88.07:313:33
98.17:303:34
108.17:303:35
118.17:293:37
128.17:293:38
138.27:283:39
148.27:283:40
158.27:273:42
168.37:263:43
178.37:263:45
188.47:253:46
198.47:243:48
208.47:233:49
218.57:223:51
228.57:213:52
238.67:203:54
248.67:193:55
258.67:183:57
268.77:173:58
278.77:164:00
288.87:154:02
298.87:144:03
308.97:134:05
318.97:114:06

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 1.32 kWh/m².

For context, solar energy here swings from a low near 0.98 kWh/m² to a high of 5.75 kWh/m² in June across the year — January's 1.32 kWh/m² sits near the bottom.

00.511.522.5151015202531
Solar energy (kWh/m²)Level
11.1Dim
21.1Dim
31.1Dim
41.1Dim
51.1Dim
61.1Dim
71.1Dim
81.1Dim
91.2Dim
101.2Dim
111.2Dim
121.2Dim
131.2Dim
141.3Dim
151.3Dim
161.3Dim
171.3Dim
181.4Dim
191.4Dim
201.4Dim
211.4Dim
221.5Dim
231.5Dim
241.5Dim
251.6Dim
261.6Dim
271.6Dim
281.7Dim
291.7Dim
301.8Dim
311.8Dim
Planning a trip in January

Is January a good time to visit Sept-Îles?

Our two travel scores rate January for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

0.0
Sightseeing
8th-best month of the year
0.0
Beach & pool
6th-best month of the year

January is a weaker month for outdoor sightseeing in Sept-Îles.

What to pack for Sept-Îles in January

From January's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In January, Sept-Îles sees daytime highs around -10°C and nights near -19°C. Pack a warm layer and a heavy coat. Worth having: rain gear. About 10 days see rain.

a warm layera heavy coatrain gear

Sea temperature near Sept-Îles in January

The nearest coast averages about -0°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 14°C and coldest in February near -1°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

-5°0°5°10°15°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan0Bracing
Feb0Bracing
Mar0Bracing
Apr1Bracing
May5Bracing
Jun10Bracing
Jul14Bracing
Aug14Bracing
Sep11Bracing
Oct7Bracing
Nov4Bracing
Dec1Bracing

UV index in Sept-Îles in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 1. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sept-Îles peaks around July 9 at about 6 (high) — a little sun protection helps at midday. It bottoms out near January 1 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 5 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateModerateLowJul 9UV 6Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr4Moderate
May5Moderate
Jun6High
Jul6High
Aug2Low
Sep4Moderate
Oct2Low
Nov1Low
Dec1Low

Air quality in Sept-Îles in January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.

Air quality in Sept-Îles is worst in June — around 24 µg/m³ PM2.5 (moderate), about 15.2× the cleanest month (December, 2 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 1622 µg/m³Dec 142 µg/m³
PM2.5 (µg/m³)Level
Jan2Good
Feb4Good
Mar7Good
Apr7Good
May10Good
Jun24Moderate
Jul9Good
Aug9Good
Sep6Good
Oct3Good
Nov2Good
Dec2Good
Location & terrain

Where is Sept-Îles?

Sept-Îles sits at 50.2°N, 66.4°W, 5 m above sea level, in Canada. The nearest listed city is Baie-Comeau, 168 km away.

EdmundstonRivière-du-LoupMiramichiChicoutimiSaguenayJonquière

Topography around Sept-Îles

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Sept-Îles.

Within 3 km, the terrain around Sept-Îles has only modest variations in elevation — a maximum elevation change of 42 m around an average of 6 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 370 m; within 80 km, large variations in elevation — a maximum elevation change of 1,000 m.

The land around Sept-Îles is covered by water (54%) and artificial surfaces (22%) within 3 km, water (52%) and trees (38%) within 16 km, and trees (64%) and water (33%) within 80 km.

3 km
42 m
16 km
370 m
80 km
1,000 m
treesgrasslandartificial surfacesbare terrainwaterwetland
January weather nearby: Baie-Comeau 168 km · Rimouski 249 km · Edmundston 345 km · Rivière-du-Loup 350 km · Miramichi 358 km · Chicoutimi 393 km · Saguenay 393 km · Jonquière 405 km

Canada travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 83% of US
price level, 2025
GDP per capita
$55,698
2025
Happiness
6.7 / 10
World Happiness, 2025
Safe drinking water
97%
of population, 2024
Homicide rate
2
per 100k, 2023
Road deaths
5.3
per 100k/yr, 2019
Income group
High
World Bank
Religion
Christian 53%none 35%Muslim 5%Hindu 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Sept-Îles (50.2001°, -66.3821°, elevation 5 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).