Les Coteaux weather in December

In December, Les Coteaux sees average daytime highs of -1°C and overnight lows near -8°C, with 82 mm of precipitation across 11.9 wet days and about 8.6 hours of daylight. It is the 10th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 2°C in the first days to -3°C by the end. The sky is clear or mostly clear about 12% of the time in December, and the air most often feels dry.

Daylight stretches from about 8 h 48 min at the start of December to 8 h 36 min by month's end. Set against the rest of the year, December is Les Coteaux's 12th-clearest and 3rd-windiest month. For the whole year in context, see Les Coteaux's year-round climate.

Daytime high
-1°
10th warmest
Overnight low
-8°
3rd coldest
Precipitation
82 mm
11.9 wet days
Daylight
8 h 36 min
7:36 AM – 4:10 PM
Cloud cover
76%
12th clearest
Wind
13 km/h
3rd windiest
Solar energy
1.22 kWh/m²
Travel score
0.0
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 December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 2°C in the first days to -3°C by the end.

A typical December day in Les Coteaux reaches about -1°C in the afternoon and slips back to -8°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between -9°C and 6°C. Set against its neighbours, December runs about 7°C cooler than November and about 4°C warmer than January.

-20°-10°10°151015202531
Avg high (°C)Avg low (°C)
12-4
22-5
32-5
42-5
51-6
61-6
71-6
80-6
90-7
100-7
110-7
12-1-8
13-1-8
14-1-8
15-1-8
16-1-8
17-1-9
18-1-9
19-2-9
20-2-9
21-2-9
22-2-9
23-2-9
24-2-10
25-2-10
26-2-10
27-3-10
28-3-10
29-3-10
30-3-11
31-3-11

How December really feels in Les Coteaux

Once humidity and wind are folded in, December 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
29 feel bitter (≤ -10°C)

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

Les Coteaux weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 9th-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 December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 11% of December, with mostly cloudy or overcast conditions the remaining 77%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12080
22080
31981
42080
52179
62179
72179
82278
92278
102278
112377
122377
132377
142476
152377
162377
172377
182377
192377
202377
212377
222377
232476
242476
252476
262476
272575
282575
292575
302476
312476

Chance of precipitation in December

Any precipitationSnow

Les Coteaux gets around 82 mm of rain and snow over 11.9 wet days in December. 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 42% on the wettest days, and about 9 days bring snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
14223
24223
34124
44124
54025
64025
73926
83926
93827
103827
113728
123728
133728
143729
153729
163729
173729
183830
193830
203830
213830
223831
233831
243831
253831
263832
273832
283832
293832
303933
313933

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December 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 December

Winds average 13 km/h in December.

Across December, 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
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 8 h 48 min at the start of December to 8 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over December. Sunrise moves from 7:23 AM to 7:42 AM, and sunset from 4:11 PM to 4:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.87:234:11
28.87:244:10
38.87:254:10
48.77:264:10
58.77:274:10
68.77:284:09
78.77:294:09
88.77:304:09
98.67:314:09
108.67:324:09
118.67:324:09
128.67:334:09
138.67:344:09
148.67:354:09
158.67:364:10
168.67:364:10
178.67:374:10
188.57:384:10
198.57:384:11
208.57:394:11
218.57:394:12
228.57:404:12
238.57:404:13
248.57:414:13
258.57:414:14
268.57:414:14
278.67:424:15
288.67:424:16
298.67:424:16
308.67:424:17
318.67:424:18

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.22 kWh/m² — the year's lowest.

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 — December's 1.22 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
11.3Dim
21.3Dim
31.2Dim
41.2Dim
51.2Dim
61.2Dim
71.2Dim
81.2Dim
91.2Dim
101.2Dim
111.2Dim
121.2Dim
131.2Dim
141.2Dim
151.2Dim
161.2Dim
171.2Dim
181.2Dim
191.2Dim
201.2Dim
211.2Dim
221.2Dim
231.2Dim
241.3Dim
251.3Dim
261.3Dim
271.3Dim
281.3Dim
291.3Dim
301.3Dim
311.3Dim
Planning a trip in December

Is December a good time to visit Les Coteaux?

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

0.0
Sightseeing
10th-best month of the year
0.0
Beach & pool
8th-best month of the year

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

What to pack for Les Coteaux in December

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

In December, Les Coteaux sees daytime highs around -1°C and nights near -8°C. Pack a warm layer and a heavy coat. Worth having: rain gear. About 12 days see rain.

a warm layera heavy coatrain gear

UV index in Les Coteaux in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 1. 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
December 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).