Alliston weather in November

In November, Alliston sees average daytime highs of 6°C and overnight lows near -1°C, with 67 mm of precipitation across 10.7 wet days and about 9.4 hours of daylight. It is the 8th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 9°C in the first days to 3°C by the end. The sky is clear or mostly clear about 13% of the time in November, and the air most often feels dry.

Daylight stretches from about 10 hours at the start of November to 9 hours by month's end. Set against the rest of the year, November is Alliston's 10th-clearest and 5th-windiest month. For the whole year in context, see Alliston's year-round climate.

Daytime high
8th warmest
Overnight low
-1°
5th coldest
Precipitation
67 mm
10.7 wet days
Daylight
9 h 24 min
7:23 AM – 4:46 PM
Cloud cover
75%
10th clearest
Wind
13 km/h
5th windiest
Solar energy
1.62 kWh/m²
Travel score
0.6
out of 10

Alliston is settlement in Simcoe County, Ontario, Canada.

Founded
1874

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

Temperature in November

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 9°C in the first days to 3°C by the end.

A typical November day in Alliston reaches about 6°C in the afternoon and slips back to -1°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between -0°C and 14°C. Set against its neighbours, November runs about 7°C cooler than October and about 6°C warmer than December.

-10°10°20°151015202530
Avg high (°C)Avg low (°C)
192
291
391
491
591
681
780
880
980
1070
1170
127-1
137-1
146-1
156-1
166-1
176-2
186-2
195-2
205-2
215-2
225-2
234-2
244-3
254-3
264-3
274-3
283-3
293-4
303-4

How November really feels in Alliston

Once humidity and wind are folded in, November averages 0 days that feel above 32°C and 30 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
30
wind chill below the day's low

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

Alliston weather by month

How November compares with the rest of the year at a glance. November is the 8th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-3° / -11°5610.410.29.10.0
Feb-2° / -11°468.47.610.20.0
Mar / -5°5410.16.111.60.2
Apr11° / 7410.82.713.22.8
May18° / 8010.7014.55.7
Jun23° / 13°8310.9015.26.7
Jul26° / 15°7510.60156.7
Aug25° / 14°769.8013.87.0
Sep21° / 10°719.7012.36.5
Oct13° / 7311.20.410.83.6
Nov / -1°6710.74.19.40.6
Dec / -7°5710.998.70.0

Cloud cover in November

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in November.

Beyond those clear spells, partly cloudy skies cover about 11% of November, with mostly cloudy or overcast conditions the remaining 76%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12971
23070
33070
43070
53070
63070
73070
83070
92971
102872
112872
122872
132674
142674
152674
162476
172476
182377
192278
202179
212179
222080
232080
242080
251882
261783
271783
281783
291783
301684

Chance of precipitation in November

Any precipitationSnow

Alliston gets around 67 mm of rain and snow over 10.7 wet days in November. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 35% and peaks near 38% on the wettest days, and about 4 days bring snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
1366
2367
3357
4357
5358
6348
7348
8349
9349
103410
113410
123311
133311
143312
153413
163414
173414
183415
193516
203517
213617
223618
233619
243719
253720
263721
273821
283822
293823
303823

Humidity in November

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, November 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%151015202530
Dry (%)Comfortable (%)
1991
2991
3991
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000

Wind in November

Winds average 13 km/h in November.

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

05101520151015202530
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
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

Sunrise & sunset in November

DaylightNight

Daylight runs from about 10 hours at the start of November to 9 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 60 minutes over November. Sunrise moves from 7:03 AM to 7:40 AM, and sunset from 5:03 PM to 4:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
110.07:035:03
29.97:055:02
39.97:065:00
49.97:074:59
59.87:094:58
69.87:104:57
79.77:114:55
89.77:134:54
99.77:144:53
109.67:154:52
119.67:174:51
129.57:184:50
139.57:194:49
149.57:214:48
159.47:224:47
169.47:234:46
179.37:254:45
189.37:264:45
199.37:274:44
209.27:284:43
219.27:304:42
229.27:314:42
239.17:324:41
249.17:334:40
259.17:344:40
269.17:364:39
279.07:374:39
289.07:384:38
299.07:394:38
309.07:404:38

Solar energy in November

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in November, about 1.62 kWh/m².

For context, solar energy here swings from a low near 1.24 kWh/m² to a high of 6.3 kWh/m² in June across the year — November's 1.62 kWh/m² sits near the bottom.

00.511.522.5151015202530
Solar energy (kWh/m²)Level
12.0Dim
22.0Dim
31.9Dim
41.9Dim
51.9Dim
61.9Dim
71.9Dim
81.8Dim
91.8Dim
101.8Dim
111.8Dim
121.7Dim
131.7Dim
141.7Dim
151.6Dim
161.6Dim
171.6Dim
181.6Dim
191.5Dim
201.5Dim
211.5Dim
221.4Dim
231.4Dim
241.4Dim
251.4Dim
261.4Dim
271.4Dim
281.3Dim
291.3Dim
301.3Dim
Planning a trip in November

Is November a good time to visit Alliston?

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

0.6
Sightseeing
8th-best month of the year
0.0
Beach & pool
8th-best month of the year

November is a weaker month for outdoor sightseeing in Alliston.

What to pack for Alliston in November

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

In November, Alliston sees daytime highs around 6°C and nights near -1°C. Pack a warm layer. Worth having: a heavy coat and rain gear. About 11 days see rain.

a warm layera heavy coatrain gear

Sea temperature near Alliston in November

The nearest coast averages about 9°C in November — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 57 km away) is warmest in August at about 21°C and coldest in March near 1°C.

It's comfortable for a long swim from Aug 9 to Aug 24 — about 0.5 months when the water holds above 20°C.

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarm
Sea temperature (°C)Comfort
Jan3Bracing
Feb2Bracing
Mar1Bracing
Apr2Bracing
May5Bracing
Jun11Bracing
Jul19Cool
Aug21Refreshing
Sep19Cool
Oct13Bracing
Nov9Bracing
Dec6Bracing

UV index in Alliston in November

LowModerateHighVery highExtreme

Clear-sky midday UV in November peaks around 2. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Alliston peaks around June 23 at about 8 (very high) — sunscreen, a hat and midday shade are essential. 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 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 23UV 8Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5High
May6High
Jun8Very high
Jul8Very high
Aug7High
Sep5High
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Alliston in November

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Alliston is worst in May — around 19 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (November, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMay 2019 µg/m³Nov 239 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar16Moderate
Apr17Moderate
May19Moderate
Jun18Moderate
Jul18Moderate
Aug16Moderate
Sep14Moderate
Oct10Good
Nov9Good
Dec9Good
Location & terrain

Where is Alliston?

Alliston sits at 44.2°N, 79.9°W, 223 m above sea level, in Canada. The nearest listed city is Innisfil, 24 km away.

Topography around Alliston

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

Within 3 km, the terrain around Alliston has only modest variations in elevation — a maximum elevation change of 71 m around an average of 227 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 266 m; within 80 km, significant variations in elevation — a maximum elevation change of 471 m.

The land around Alliston is covered by cropland (37%), grassland (24%) and trees (20%) within 3 km, cropland (42%), trees (35%) and grassland (21%) within 16 km, and trees (37%) and cropland (29%) within 80 km.

3 km
71 m
16 km
266 m
80 km
471 m
treesgrasslandcroplandartificial surfacesbare terrainwater
November weather nearby: Innisfil 24 km · Bolton 32 km · Orangeville 32 km · Barrie 32 km · Caledon 33 km · Keswick 34 km · Newmarket 34 km · East Gwillimbury 35 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 Alliston (44.1501°, -79.8663°, elevation 223 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).