Deux-Montagnes weather in October

In October, Deux-Montagnes sees average daytime highs of 13°C and overnight lows near 5°C, with 108 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 16°C in the first days to 9°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 9 h 54 min by month's end. Set against the rest of the year, October is Deux-Montagnes's 7th-clearest and 5th-windiest month. For the whole year in context, see Deux-Montagnes's year-round climate.

Daytime high
13°
6th warmest
Overnight low
7th coldest
Precipitation
108 mm
11.6 wet days
Daylight
10 h 42 min
6:20 AM – 5:01 PM
Cloud cover
66%
7th clearest
Wind
13 km/h
5th windiest
Solar energy
2.44 kWh/m²
Travel score
3.3
out of 10

Deux-Montagnes is city in Quebec, Canada.

Density
2,384/km²
people per km²
Founded
1921

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 16°C in the first days to 9°C by the end.

A typical October day in Deux-Montagnes reaches about 13°C in the afternoon and slips back to 5°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 7°C and 19°C. Set against its neighbours, October runs about 7°C cooler than September and about 7°C warmer than November.

10°20°151015202531
Avg high (°C)Avg low (°C)
1178
2168
3168
4168
5158
6157
7157
8157
9157
10147
11146
12146
13146
14136
15136
16135
17135
18125
19125
20125
21114
22114
23114
24114
25104
26103
27103
28103
29103
3093
3192

How October really feels in Deux-Montagnes

Once humidity and wind are folded in, October averages 0 days that feel above 32°C and 5 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
5
wind chill below the day's low

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

Deux-Montagnes 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-5° / -14°7510.59.48.90.0
Feb-4° / -13°618.98.210.10.0
Mar / -6°7410.26.711.60.0
Apr10° / 10311.72.813.22.1
May18° / 9511.50.114.75.3
Jun23° / 14°10311.9015.46.4
Jul26° / 17°9112.5015.16.4
Aug25° / 16°9311.3013.96.8
Sep20° / 12°9310.3012.36.3
Oct13° / 10811.60.610.73.3
Nov / -1°8711.63.79.30.5
Dec-2° / -8°8611.59.28.60.0

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 16% of October, with mostly cloudy or overcast conditions the remaining 63%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14159
24159
34159
44060
54060
64060
74060
84060
94060
104159
114060
124060
134060
144060
153961
163862
173862
183763
193664
203664
213565
223565
233565
243565
253466
263367
273367
283367
293367
303367
313367

Chance of precipitation in October

Any precipitationSnow

Deux-Montagnes gets around 108 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 (%)
1370
2370
3360
4360
5360
6360
7360
8360
9370
10370
11370
12380
13381
14391
15391
16391
17401
18401
19402
20402
21403
22403
23403
24404
25404
26404
27394
28395
29395
30395
31386

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 96% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
185951
287841
388741
491630
591630
692530
794420
894420
994420
1095320
1196310
1296310
1396310
1497210
1597210
1697210
1797210
1897210
1998200
2098200
2198200
2298200
2399100
2499100
2599100
2699100
2799100
2899100
2999100
3099100
31100000

Wind in October

Winds average 13 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.

05101520151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light 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 October

DaylightNight

Daylight runs from about 11 h 30 min at the start of October to 9 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 96 minutes over October. Sunrise moves from 6:00 AM to 6:41 AM, and sunset from 5:29 PM to 4:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:005:29
211.46:015:27
311.46:025:26
411.36:045:24
511.36:055:22
611.26:065:20
711.26:085:18
811.16:095:16
911.16:105:14
1011.06:125:12
1111.06:135:10
1210.96:145:09
1310.86:165:07
1410.86:175:05
1510.76:195:03
1610.76:205:01
1710.66:215:00
1810.66:234:58
1910.56:244:56
2010.56:254:54
2110.46:274:53
2210.46:284:51
2310.36:304:50
2410.36:314:48
2510.26:324:46
2610.26:344:45
2710.16:354:43
2810.16:374:42
2910.06:384:40
3010.06:404:39
319.96:414:37

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 2.44 kWh/m².

For context, solar energy here swings from a low near 1.23 kWh/m² to a high of 5.92 kWh/m² in June across the year — October's 2.44 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.1Moderate
23.0Moderate
33.0Moderate
42.9Moderate
52.9Moderate
62.9Moderate
72.8Moderate
82.8Moderate
92.7Moderate
102.7Moderate
112.7Moderate
122.6Moderate
132.6Moderate
142.5Moderate
152.5Moderate
162.5Moderate
172.4Moderate
182.4Moderate
192.3Moderate
202.3Moderate
212.2Moderate
222.2Moderate
232.1Moderate
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 Deux-Montagnes?

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

3.3
Sightseeing
6th-best month of the year
0.2
Beach & pool
6th-best month of the year

October is a weaker month for outdoor sightseeing in Deux-Montagnes.

What to pack for Deux-Montagnes in October

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

In October, Deux-Montagnes 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 Deux-Montagnes 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 Deux-Montagnes peaks around July 13 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 10 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 13UV 8Jan 10UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr4Moderate
May6High
Jun6High
Jul8Very high
Aug4Moderate
Sep5High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Deux-Montagnes?

Deux-Montagnes sits at 45.5°N, 73.9°W, 29 m above sea level, in Canada. The nearest listed city is Saint-Eustache, 3.0 km away.

Topography around Deux-Montagnes

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

Within 3 km, the terrain around Deux-Montagnes has only modest variations in elevation — a maximum elevation change of 44 m around an average of 29 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 258 m; within 80 km, large variations in elevation — a maximum elevation change of 867 m.

The land around Deux-Montagnes is covered by trees (35%), artificial surfaces (27%) and water (26%) within 3 km, trees (34%) and artificial surfaces (23%) within 16 km, and trees (48%) and cropland (35%) within 80 km.

3 km
44 m
16 km
258 m
80 km
867 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
October weather nearby: Saint-Eustache 3.0 km · L'Île-Bizard–Sainte-Geneviève 5.0 km · Pierrefonds-Roxboro 6.0 km · Dollard-Des Ormeaux 8.0 km · Pierrefonds 8.0 km · Kirkland 10 km · Boisbriand 11 km · Beaconsfield 12 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 Deux-Montagnes (45.5346°, -73.9017°, elevation 29 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).