Les Coteaux weather in October

In October, Les Coteaux sees average daytime highs of 13°C and overnight lows near 5°C, with 105 mm of precipitation across 11.6 wet days and about 10.7 hours of daylight. It is the 6th-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 17°C in the first days to 10°C by the end. The sky is clear or mostly clear about 21% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 30 min at the start of October to 10 hours by month's end. Set against the rest of the year, October is Les Coteaux's 6th-clearest and 7th-windiest month. For the whole year in context, see Les Coteaux's year-round climate.

Daytime high
13°
6th warmest
Overnight low
7th coldest
Precipitation
105 mm
11.6 wet days
Daylight
10 h 42 min
6:21 AM – 5:03 PM
Cloud cover
67%
6th clearest
Wind
12 km/h
7th windiest
Solar energy
2.46 kWh/m²
Travel score
3.6
out of 10

Les Coteaux is municipality in Montérégie, Quebec, Canada.

Density
1,200/km²
people per km²
Founded
1994

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

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 17°C in the first days to 10°C by the end.

A typical October day in Les Coteaux reaches about 13°C in the afternoon and slips back to 5°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 7°C and 20°C. Set against its neighbours, October runs about 8°C cooler than September and about 7°C warmer than November.

10°20°151015202531
Avg high (°C)Avg low (°C)
1178
2178
3178
4167
5167
6167
7167
8156
9156
10156
11156
12146
13146
14145
15145
16135
17135
18135
19134
20124
21124
22124
23114
24113
25113
26113
27103
28103
29102
30102
31102

How October really feels in Les Coteaux

Once humidity and wind are folded in, October averages 0 days that feel above 32°C and 7 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
7
wind chill below the day's low

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

Les Coteaux weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-4° / -13°7210.79.68.90.0
Feb-3° / -12°619.48.410.10.0
Mar / -6°7310.66.711.60.1
Apr12° / 10111.72.713.22.8
May19° / 9511.4014.65.7
Jun24° / 14°9711.6015.46.4
Jul26° / 16°8912.5015.16.3
Aug25° / 15°8710.9013.96.7
Sep21° / 11°8710.1012.36.4
Oct13° / 10511.60.510.73.6
Nov / -1°8311.73.49.30.6
Dec-1° / -8°8211.998.60.0

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 15% of October, with mostly cloudy or overcast conditions the remaining 64%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14159
24060
34060
43961
53961
63961
73961
83961
93862
103961
113961
123862
133961
143862
153763
163664
173664
183664
193565
203466
213367
223367
233268
243169
253169
263169
273169
283169
293070
303070
313169

Chance of precipitation in October

Any precipitationSnow

Les Coteaux gets around 105 mm of rain and snow over 11.6 wet days in October, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 38% and peaks near 40% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1360
2360
3360
4360
5360
6360
7360
8360
9360
10370
11370
12370
13381
14381
15391
16391
17391
18401
19401
20402
21402
22402
23403
24403
25403
26403
27404
28394
29394
30394
31394

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the dry band about 95% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1851041
2851041
387931
489830
590730
691720
792620
892620
994510
1094510
1195410
1295410
1395410
1496310
1596310
1696310
1796310
1896310
1998200
2098200
2198200
2298200
2398200
2498200
2599100
2699100
2799100
2899100
2999100
3099100
3199100

Wind in October

Winds average 12 km/h in October.

Across October, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 30 min at the start of October to 10 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 90 minutes over October. Sunrise moves from 6:01 AM to 6:42 AM, and sunset from 5:31 PM to 4:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:015:31
211.46:025:29
311.46:045:27
411.36:055:25
511.36:065:23
611.26:075:21
711.26:095:19
811.16:105:18
911.16:115:16
1011.06:135:14
1111.06:145:12
1210.96:155:10
1310.96:175:08
1410.86:185:07
1510.86:205:05
1610.76:215:03
1710.76:225:01
1810.66:245:00
1910.56:254:58
2010.56:264:56
2110.46:284:55
2210.46:294:53
2310.36:314:51
2410.36:324:50
2510.26:334:48
2610.26:354:47
2710.16:364:45
2810.16:384:44
2910.16:394:42
3010.06:404:41
3110.06:424:39

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 2.46 kWh/m².

For context, solar energy here swings from a low near 1.22 kWh/m² to a high of 5.95 kWh/m² in June across the year — October's 2.46 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.1Moderate
23.1Moderate
33.0Moderate
43.0Moderate
52.9Moderate
62.9Moderate
72.9Moderate
82.8Moderate
92.8Moderate
102.7Moderate
112.7Moderate
122.6Moderate
132.6Moderate
142.6Moderate
152.5Moderate
162.5Moderate
172.4Moderate
182.4Moderate
192.3Moderate
202.3Moderate
212.3Moderate
222.2Moderate
232.2Moderate
242.1Moderate
252.1Moderate
262.0Moderate
272.0Moderate
282.0Dim
291.9Dim
301.9Dim
311.9Dim
Planning a trip in October

Is October a good time to visit Les Coteaux?

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

3.6
Sightseeing
6th-best month of the year
0.3
Beach & pool
6th-best month of the year

October is a weaker month for outdoor sightseeing in Les Coteaux.

What to pack for Les Coteaux in October

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

In October, Les Coteaux sees daytime highs around 13°C and nights near 5°C. Worth packing: a warm layer and rain gear. About 12 days see rain.

a warm layerrain gear

UV index in Les Coteaux in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Les Coteaux peaks around July 14 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. 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 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highModerateModerateLowJul 14UV 8Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr4Moderate
May6High
Jun6High
Jul8Very high
Aug4Moderate
Sep5High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Les Coteaux?

Les Coteaux sits at 45.3°N, 74.2°W, 44 m above sea level, in Canada. The nearest listed city is Salaberry-de-Valleyfield, 9.0 km away.

Topography around Les Coteaux

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Les Coteaux.

Within 3 km, the terrain around Les Coteaux has only modest variations in elevation — a maximum elevation change of 81 m around an average of 50 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 149 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,210 m.

The land around Les Coteaux is covered by cropland (50%) and trees (25%) within 3 km, cropland (53%) and trees (20%) within 16 km, and trees (54%) and cropland (29%) within 80 km.

3 km
81 m
16 km
149 m
80 km
1,210 m
treesgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Salaberry-de-Valleyfield 9.0 km · Saint-Lazare 15 km · Vaudreuil-Dorion 20 km · Pierrefonds 33 km · Beaconsfield 33 km · Kirkland 34 km · L'Île-Bizard–Sainte-Geneviève 35 km · Pointe-Claire 37 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 Les Coteaux (45.2834°, -74.2325°, elevation 44 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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).