Saint-Hyacinthe weather in October

In October, Saint-Hyacinthe sees average daytime highs of 13°C and overnight lows near 4°C, with 109 mm of precipitation across 11.4 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 10°C by the end. The sky is clear or mostly clear about 22% 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 Saint-Hyacinthe's 6th-clearest and 5th-windiest month. For the whole year in context, see Saint-Hyacinthe's year-round climate.

Daytime high
13°
6th warmest
Overnight low
7th coldest
Precipitation
109 mm
11.4 wet days
Daylight
10 h 42 min
6:16 AM – 4:57 PM
Cloud cover
66%
6th clearest
Wind
12 km/h
5th windiest
Solar energy
2.45 kWh/m²
Travel score
3.4
out of 10

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 10°C by the end.

A typical October day in Saint-Hyacinthe reaches about 13°C in the afternoon and slips back to 4°C overnight — a 9°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 8°C cooler than September and about 8°C warmer than November.

10°20°151015202531
Avg high (°C)Avg low (°C)
1177
2167
3167
4166
5166
6156
7156
8156
9155
10145
11145
12145
13145
14135
15134
16134
17134
18124
19124
20123
21123
22113
23113
24113
25102
26102
27102
28102
29102
3091
3191

How October really feels in Saint-Hyacinthe

Once humidity and wind are folded in, October averages 0 days that feel above 32°C and 11 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
11
wind chill below the day's low

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

Saint-Hyacinthe 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°7510.8108.90.0
Feb-4° / -13°619.28.410.10.0
Mar / -7°7410.6711.60.1
Apr11° / 9911.52.613.32.6
May19° / 10012.4014.75.6
Jun24° / 13°10812.5015.46.3
Jul26° / 16°10212.9015.16.2
Aug25° / 15°10612013.96.6
Sep20° / 10°9410.2012.36.3
Oct13° / 10911.40.610.73.4
Nov / -2°8711.43.99.30.5
Dec-2° / -9°8611.99.38.60.0

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 17% of October, with mostly cloudy or overcast conditions the remaining 62%. 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
93961
103961
114060
124060
133961
143961
153961
163961
173763
183763
193763
203763
213664
223763
233664
243664
253664
263664
273763
283763
293763
303664
313664

Chance of precipitation in October

Any precipitationSnow

Saint-Hyacinthe gets around 109 mm of rain and snow over 11.4 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 37% and peaks near 39% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1350
2350
3350
4350
5350
6350
7350
8350
9351
10361
11361
12371
13371
14371
15381
16382
17382
18392
19392
20393
21393
22393
23394
24394
25394
26394
27394
28395
29395
30395
31385

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 (%)
186941
288831
388831
490730
592620
692620
793520
894510
995410
1095410
1195410
1296310
1396310
1496310
1596310
1697210
1797210
1897210
1998200
2098200
2198200
2299100
2399100
2499100
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
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light 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 5:56 AM to 6:37 AM, and sunset from 5:26 PM to 4:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.55:565:26
211.45:575:24
311.45:595:22
411.36:005:20
511.36:015:18
611.26:035:16
711.26:045:14
811.16:055:12
911.16:075:10
1011.06:085:08
1111.06:095:06
1210.96:115:05
1310.86:125:03
1410.86:145:01
1510.76:154:59
1610.76:164:57
1710.66:184:56
1810.66:194:54
1910.56:204:52
2010.56:224:51
2110.46:234:49
2210.46:254:47
2310.36:264:46
2410.36:274:44
2510.26:294:42
2610.26:304:41
2710.16:324:39
2810.16:334:38
2910.06:354:36
3010.06:364:35
319.96:374:33

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 2.45 kWh/m².

For context, solar energy here swings from a low near 1.25 kWh/m² to a high of 5.93 kWh/m² in June across the year — October's 2.45 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
92.8Moderate
102.7Moderate
112.7Moderate
122.6Moderate
132.6Moderate
142.5Moderate
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 Saint-Hyacinthe?

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

3.4
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 Saint-Hyacinthe.

What to pack for Saint-Hyacinthe in October

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

In October, Saint-Hyacinthe sees daytime highs around 13°C and nights near 4°C. Worth packing: a warm layer and rain gear. About 11 days see rain.

a warm layerrain gear

UV index in Saint-Hyacinthe 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 Saint-Hyacinthe peaks around July 13 at about 7 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 22 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 7Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr4Moderate
May6High
Jun6High
Jul8Very high
Aug3Moderate
Sep5High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Saint-Hyacinthe?

Saint-Hyacinthe sits at 45.6°N, 73.0°W, 32 m above sea level, in Canada. The nearest listed city is Mont-Saint-Hilaire, 19 km away.

Topography around Saint-Hyacinthe

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

Within 3 km, the terrain around Saint-Hyacinthe has only modest variations in elevation — a maximum elevation change of 35 m around an average of 34 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 266 m; within 80 km, large variations in elevation — a maximum elevation change of 1,096 m.

The land around Saint-Hyacinthe is covered by artificial surfaces (41%) and cropland (27%) within 3 km, cropland (75%) within 16 km, and trees (44%) and cropland (40%) within 80 km.

3 km
35 m
16 km
266 m
80 km
1,096 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
October weather nearby: Mont-Saint-Hilaire 19 km · Beloeil 21 km · Saint-Basile-le-Grand 28 km · Sainte-Julie 30 km · Granby 31 km · Chambly 32 km · Saint-Bruno-de-Montarville 32 km · Varennes 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 Saint-Hyacinthe (45.6308°, -72.957°, elevation 32 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).