Innisfil weather in October

In October, Innisfil sees average daytime highs of 13°C and overnight lows near 5°C, with 73 mm of precipitation across 11.2 wet days and about 10.8 hours of daylight. It is the 6th-warmest and 6th-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 18% 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 Innisfil's 7th-clearest and 7th-windiest month. For the whole year in context, see Innisfil's year-round climate.

Daytime high
13°
6th warmest
Overnight low
7th coldest
Precipitation
73 mm
11.2 wet days
Daylight
10 h 42 min
6:41 AM – 5:26 PM
Cloud cover
68%
7th clearest
Wind
13 km/h
7th windiest
Solar energy
2.56 kWh/m²
Travel score
3.6
out of 10

Innisfil is town in Simcoe County, Ontario, Canada.

Density
165/km²
people per km²
Founded
1991

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 Innisfil reaches about 13°C in the afternoon and slips back to 5°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 20°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)
1177
2177
3177
4167
5167
6166
7166
8166
9156
10156
11155
12145
13145
14145
15145
16135
17134
18134
19124
20124
21124
22124
23113
24113
25113
26113
27103
28102
29102
30102
31102

How October really feels in Innisfil

Once humidity and wind are folded in, October averages 0 days that feel above 32°C and 8 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
8
wind chill below the day's low

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

Innisfil weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 6th-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°8310.9015.36.7
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 October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% 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 65%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14357
24357
34258
44258
54357
64357
74258
84258
94258
104159
114060
124060
133862
143862
153763
163565
173466
183268
193268
203070
212971
222971
232872
242872
252971
262872
272971
282971
292971
302971
312872

Chance of precipitation in October

Any precipitationSnow

Innisfil gets around 73 mm of rain and snow over 11.2 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 36% and peaks near 38% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1360
2360
3360
4360
5350
6350
7350
8350
9350
10350
11350
12350
13350
14361
15361
16361
17371
18371
19381
20382
21382
22383
23383
24383
25384
26384
27375
28375
29375
30376
31366

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 94% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
184115
286104
386104
48794
58893
68983
79082
89082
99172
109172
119361
129361
139451
149451
159451
169541
179640
189640
199730
209730
219730
229730
239820
249820
259820
269820
279910
289910
299910
309910
319910

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.

051015151015202531
Wind speed (km/h)Feels
112calm
212calm
312calm
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light 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 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 6:22 AM to 7:01 AM, and sunset from 5:53 PM to 5:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:225:53
211.56:235:51
311.46:255:49
411.46:265:47
511.36:275:46
611.36:285:44
711.26:305:42
811.26:315:40
911.16:325:38
1011.16:335:36
1111.06:355:35
1210.96:365:33
1310.96:375:31
1410.86:395:29
1510.86:405:28
1610.76:415:26
1710.76:435:24
1810.66:445:23
1910.66:455:21
2010.56:475:19
2110.56:485:18
2210.56:495:16
2310.46:515:15
2410.46:525:13
2510.36:535:12
2610.36:555:10
2710.26:565:09
2810.26:575:07
2910.16:595:06
3010.17:005:04
3110.07:015:03

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 2.56 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 — October's 2.56 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.3Moderate
23.2Moderate
33.2Moderate
43.1Moderate
53.1Moderate
63.0Moderate
73.0Moderate
83.0Moderate
92.9Moderate
102.9Moderate
112.8Moderate
122.8Moderate
132.7Moderate
142.6Moderate
152.6Moderate
162.5Moderate
172.5Moderate
182.4Moderate
192.4Moderate
202.4Moderate
212.3Moderate
222.3Moderate
232.2Moderate
242.2Moderate
252.2Moderate
262.1Moderate
272.1Moderate
282.1Moderate
292.0Moderate
302.0Moderate
312.0Moderate
Planning a trip in October

Is October a good time to visit Innisfil?

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 Innisfil.

What to pack for Innisfil in October

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

In October, Innisfil sees daytime highs around 13°C and nights near 5°C. Worth packing: a warm layer and rain gear. About 11 days see rain.

a warm layerrain gear

Sea temperature near Innisfil in October

The nearest coast averages about 13°C in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 52 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 Innisfil 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 Innisfil peaks around June 21 at about 8 (very high) — sunscreen, a hat and midday shade are essential. 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 21UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr5High
May6High
Jun8Very high
Jul8Very high
Aug6High
Sep5High
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Innisfil in October

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Innisfil 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 Innisfil?

Innisfil sits at 44.3°N, 79.6°W, 266 m above sea level, in Canada. The nearest listed city is Barrie, 11 km away.

Topography around Innisfil

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

Within 3 km, the terrain around Innisfil has only modest variations in elevation — a maximum elevation change of 77 m around an average of 273 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 155 m; within 80 km, significant variations in elevation — a maximum elevation change of 471 m.

The land around Innisfil is covered by trees (43%) and cropland (38%) within 3 km, trees (32%) and cropland (32%) within 16 km, and trees (41%) and cropland (24%) within 80 km.

3 km
77 m
16 km
155 m
80 km
471 m
treesgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Barrie 11 km · Keswick 16 km · Alliston 24 km · East Gwillimbury 28 km · Newmarket 31 km · Aurora 36 km · Wasaga Beach 38 km · Orillia 39 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 Innisfil (44.3001°, -79.6496°, elevation 266 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).