Orillia weather in October

In October, Orillia sees average daytime highs of 13°C and overnight lows near 5°C, with 88 mm of precipitation across 13.6 wet days and about 10.7 hours of daylight. It is the 6th-warmest and 2nd-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 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 Orillia's 8th-clearest and 5th-windiest month. For the whole year in context, see Orillia's year-round climate.

Daytime high
13°
6th warmest
Overnight low
7th coldest
Precipitation
88 mm
13.6 wet days
Daylight
10 h 42 min
6:41 AM – 5:25 PM
Cloud cover
69%
8th clearest
Wind
13 km/h
5th windiest
Solar energy
2.48 kWh/m²
Travel score
3.1
out of 10

Orillia is city in Ontario, Canada.

Founded
1867

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 Orillia 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
5167
6157
7157
8157
9157
10146
11146
12146
13146
14136
15136
16135
17125
18125
19125
20125
21114
22114
23114
24104
25104
26104
27103
28103
2993
3093
3192

How October really feels in Orillia

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.

Orillia weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-4° / -11°6511.911.590.0
Feb-3° / -11°5098.510.10.0
Mar / -6°6010.1711.60.0
Apr10° / 7911.13.113.22.4
May18° / 8711.1014.65.5
Jun23° / 13°9411015.36.6
Jul25° / 16°8811.70156.7
Aug24° / 15°8811.5013.96.8
Sep20° / 11°8410.9012.36.1
Oct13° / 8813.60.510.73.1
Nov / -1°7612.34.99.40.4
Dec-1° / -7°6512.910.78.70.0

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 16% of October, with mostly cloudy or overcast conditions the remaining 66%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14258
24258
34258
44258
54159
64159
74060
84060
94060
103961
113862
123862
133763
143664
153565
163466
173367
183169
193070
203070
212971
222971
232971
242971
252971
262872
272872
282971
292971
302872
312971

Chance of precipitation in October

Any precipitationSnow

Orillia gets around 88 mm of rain and snow over 13.6 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 44% and peaks near 47% on the wettest days, and about 1 day brings snow.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
1420
2420
3420
4420
5420
6420
7420
8420
9420
10420
11420
12431
13431
14441
15441
16451
17451
18461
19462
20472
21472
22473
23473
24474
25474
26464
27465
28465
29456
30456
31447

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 93% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1811351
2831250
3851140
4861040
5861040
688930
789830
890820
991720
1091720
1192620
1293610
1394510
1494510
1594510
1695410
1796400
1896400
1997300
2097300
2197300
2297300
2398200
2498200
2598200
2698200
2799100
2899100
2999100
3099100
3199100

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 14 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
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
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light 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 6:21 AM to 7:01 AM, and sunset from 5:52 PM to 5:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:215:52
211.56:235:50
311.46:245:48
411.46:255:46
511.36:265:44
611.26:285:43
711.26:295:41
811.16:305:39
911.16:325:37
1011.06:335:35
1111.06:345:33
1210.96:355:32
1310.96:375:30
1410.86:385:28
1510.86:395:26
1610.76:415:25
1710.76:425:23
1810.66:435:21
1910.66:455:20
2010.56:465:18
2110.56:475:16
2210.46:495:15
2310.46:505:13
2410.36:515:12
2510.36:535:10
2610.26:545:09
2710.26:565:07
2810.16:575:06
2910.16:585:04
3010.17:005:03
3110.07:015:01

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 2.48 kWh/m².

For context, solar energy here swings from a low near 1.29 kWh/m² to a high of 6.22 kWh/m² in June across the year — October's 2.48 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.2Moderate
23.2Moderate
33.1Moderate
43.1Moderate
53.0Moderate
63.0Moderate
72.9Moderate
82.9Moderate
92.8Moderate
102.8Moderate
112.7Moderate
122.7Moderate
132.6Moderate
142.6Moderate
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
282.0Moderate
292.0Dim
301.9Dim
311.9Dim
Planning a trip in October

Is October a good time to visit Orillia?

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

3.1
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 Orillia.

What to pack for Orillia in October

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

In October, Orillia sees daytime highs around 13°C and nights near 5°C. Worth packing: a warm layer and rain gear. About 14 days see rain.

a warm layerrain gear

Sea temperature near Orillia 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 56 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 Orillia 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 Orillia peaks around June 20 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 highHighModerateLowJun 20UV 8Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr5High
May7High
Jun8Very high
Jul8Very high
Aug6High
Sep5High
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Orillia 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 Orillia 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 Orillia?

Orillia sits at 44.6°N, 79.4°W, 232 m above sea level, in Canada. The nearest listed city is Barrie, 30 km away.

Topography around Orillia

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

Within 3 km, the terrain around Orillia has only modest variations in elevation — a maximum elevation change of 87 m around an average of 239 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 203 m; within 80 km, significant variations in elevation — a maximum elevation change of 404 m.

The land around Orillia is covered by trees (32%), artificial surfaces (28%) and water (25%) within 3 km, trees (41%) and water (27%) within 16 km, and trees (54%) within 80 km.

3 km
87 m
16 km
203 m
80 km
404 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
October weather nearby: Barrie 30 km · Innisfil 39 km · Midland 40 km · Keswick 40 km · Bracebridge 48 km · Wasaga Beach 48 km · East Gwillimbury 56 km · Uxbridge 62 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 Orillia (44.6087°, -79.4207°, elevation 232 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).