AI-generatedOrillia at a glance
- Best time
- May – Sep
- Warmest month
- Jul · 26°
- Sunshine a year
- 2,000 h
- Rain a year
- 934 mm
- Climate
- Continental
- Time zone
- UTC−5 / UTC−4
- Elevation
- 232 m
Climate in Orillia
Orillia has mild to warm summers and cold winters with occasional snow. July is the warmest month with average highs of 26 °C, while January is the coolest at −3 °C. With around 2,000 hours of sunshine a year, Orillia is moderately sunny; July is the sunniest month with 8.8 hours a day.
Holiday weather through the year
Best time to visit Orillia
The best time to visit Orillia is from May to September. For sightseeing, day trips and hiking, conditions are most comfortable from May to September. Rain is frequent from October to January; the wettest month is June with 101 mm.
Orillia through the seasons
How the weather changes over the seasons, with averages for each.
Orillia in spring
Mar – May
Fair
- 3–19 °C by day
- 6.4 h of sun a day
- 33 rainy days in all
Orillia in summer
Jun – Aug
Excellent
- 24–26 °C by day
- 8.1 h of sun a day
- 35 rainy days in all
Orillia in autumn
Sep – Nov
Fair
- 6–21 °C by day
- 4.3 h of sun a day
- 36 rainy days in all
Orillia in winter
Dec – Feb
Poor
- −3–0 °C by day
- 3.0 h of sun a day
- 36 rainy days in all
Which month for what?
Beach & swimming
No sea nearby
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
May – Sep
15–28 °C and not too much rain
Rainy months
Oct – Jan
Rainy season or more than 12 rainy days
Snow
Nov – Apr
Snow on 2 or more days
Find your perfect month
Tell us what you like and we rate every month in Orillia for you.
Your best months: June, August – September
Based on the climate averages; tap a month to see its details.
Weather in October
Weather in October
Holiday weather in October
Fair
Best time to visit: May – September
Keep in mindFrequent rain
A typical day in October
- Morning, 08:00: about 6°
- Midday, 13:00: about 13°
- Afternoon, 16:00: about 13°
- Evening, 20:00: about 10°
- Night, 23:00: about 8°
07:3118:35
Cold evenings: bring a warm jacket.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 07:13–08:11 · evening 17:56–18:53
- Blue hour
- Morning 07:02–07:13 · evening 18:53–19:05
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
October in Orillia compared with home
Loading the climate at home …
Early or late October?
In October, daytime highs fall from about 17° at the start of the month to 10° at the end. The days get 1.5 h shorter.
| October | 1 Oct | 31 Oct |
|---|---|---|
| Daytime high | 17° | 10° |
| Night-time low | 8° | 2° |
| Daylight | 11.8 h | 10.3 h |
What is the weather like in Orillia in October?
In October, Orillia is cool: daytime highs average 14 °C, and nights cool down to about 5 °C. Expect around 4.0 hours of sunshine a day. Rain is frequent, with about 14 rainy days and 86 mm in total. All in all, October is a so-so month for a holiday in Orillia.
More details for October
- Daylight
- 11 h 4 min07:31 – 18:35
- UV index
- 3 · moderateclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 18 km/haverage daily peakAll months
- Cloud cover
- 66 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC−4offset from UTC
How the score comes together
- Temperatureweight 50 %55 %
- Sunshineweight 20 %17 %
- Few rainy daysweight 30 %31 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- Sunscreen
- A jumper for the evenings
- Rain jacket or umbrella
Compare two months in Orillia
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
July has the better holiday weather in Orillia: score 83 against 40. In July, days are 12 °C warmer than in October. July has 3 fewer rainy days. The sun shines 5 hours longer a day in July.
| Month | October | July |
|---|---|---|
| Holiday weather score | 40 | 83better |
| Daytime high | 14° | 26° |
| Night-time low | 5° | 16° |
| Sunshine | 4.0 h | 8.8 hbetter |
| Rainy days | 14 | 11better |
| Rainfall | 86 mm | 89 mm |
| Muggy days | 0better | 8 |
Based on the climate averages 1996–2025.
Orillia month by month
The typical weather for every month at a glance.
12January−3° · 2.8 h
In January, Orillia is bitterly cold: daytime highs average −3 °C, and nights often drop below freezing (−11 °C). The sun is scarce, with only about 2.8 hours a day. Precipitation falls on about 12 days, totalling 63 mm; on about 9 of them it snows. All in all, January is not an ideal month for a holiday in Orillia.
Orillia in January21February−3° · 4.0 h
In February, Orillia is bitterly cold: daytime highs average −3 °C, and nights often drop below freezing (−10 °C). Expect around 4.0 hours of sunshine a day. Precipitation falls on about 10 days, totalling 55 mm; on about 7 of them it snows. All in all, February is not an ideal month for a holiday in Orillia.
Orillia in February23March3° · 5.3 h
In March, Orillia is bitterly cold: daytime highs average 3 °C, and nights often drop below freezing (−5 °C). Expect around 5.3 hours of sunshine a day. Precipitation falls on about 11 days, totalling 63 mm; on about 5 of them it snows. All in all, March is not an ideal month for a holiday in Orillia.
Orillia in March38April11° · 6.3 h
In April, Orillia is cool: daytime highs average 11 °C, and nights cool down to about 1 °C. Expect around 6.3 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 83 mm in total. Snow falls on about 2 days. All in all, April is not an ideal month for a holiday in Orillia.
Orillia in April79May19° · 7.6 h
In May, Orillia is mild: daytime highs average 19 °C, and nights cool down to about 8 °C. The sun shines for around 7.6 hours a day. Rain is frequent, with about 11 rainy days and 86 mm in total. All in all, May is a good month for a holiday in Orillia.
Orillia in May81June24° · 8.2 h
In June, Orillia is warm: daytime highs average 24 °C, and nights cool down to about 13 °C. The sun shines for around 8.2 hours a day. Rain is frequent, with about 12 rainy days and 101 mm in total. All in all, June is an excellent month for a holiday in Orillia.
Orillia in June83July26° · 8.8 h
In July, Orillia is warm: daytime highs average 26 °C, and nights cool down to about 16 °C. The sun shines for around 8.8 hours a day. Rain is frequent, with about 11 rainy days and 89 mm in total. All in all, July is an excellent month for a holiday in Orillia.
Orillia in July78August25° · 7.4 h
In August, Orillia is warm: daytime highs average 25 °C, and nights cool down to about 15 °C. The sun shines for around 7.4 hours a day. Rain is frequent, with about 12 rainy days and 84 mm in total. All in all, August is a good month for a holiday in Orillia.
Orillia in August77September21° · 6.0 h
In September, Orillia is warm: daytime highs average 21 °C, and nights cool down to about 11 °C. Expect around 6.0 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 82 mm in total. All in all, September is a good month for a holiday in Orillia.
Orillia in September40October14° · 4.0 h
In October, Orillia is cool: daytime highs average 14 °C, and nights cool down to about 5 °C. Expect around 4.0 hours of sunshine a day. Rain is frequent, with about 14 rainy days and 86 mm in total. All in all, October is a so-so month for a holiday in Orillia.
Orillia in October12November6° · 3.0 h
In November, Orillia is cold: daytime highs average 6 °C, and nights cool down to about 0 °C. The sun is scarce, with only about 3.0 hours a day. Rain is frequent, with about 12 rainy days and 71 mm in total. Snow falls on about 4 days. All in all, November is not an ideal month for a holiday in Orillia.
Orillia in November9December0° · 2.3 h
In December, Orillia is bitterly cold: daytime highs average 0 °C, and nights often drop below freezing (−6 °C). The sun is scarce, with only about 2.3 hours a day. Precipitation falls on about 14 days, totalling 71 mm; on about 9 of them it snows. All in all, December is not an ideal month for a holiday in Orillia.
Orillia in DecemberClimate in detail
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Orillia
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Frost below 0°
- Cold 0–8°
- Cool 8–15°
- Pleasant 15–20°
ColdOctober: nights around 5°. The room should be heated.
The coolest nights are in January (−11°), the warmest in July (16°). Nights are pleasant for sleeping (15 to 20 °C) from July to August. Nights fall below 8 °C on average from October to April, so the room should be heated.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|
| JanuaryJan | 12 | −3° | −11° | 2.8 h | 12 | 63 |
| FebruaryFeb | 21 | −3° | −10° | 4.0 h | 10 | 55 |
| MarchMar | 23 | 3° | −5° | 5.3 h | 11 | 63 |
| AprilApr | 38 | 11° | 1° | 6.3 h | 11 | 83 |
| MayMay | 79 | 19° | 8° | 7.6 h | 11 | 86 |
| JuneJun | 81 | 24° | 13° | 8.2 h | 12 | 101 |
| JulyJul | 83 | 26° | 16° | 8.8 h | 11 | 89 |
| AugustAug | 78 | 25° | 15° | 7.4 h | 12 | 84 |
| SeptemberSep | 77 | 21° | 11° | 6.0 h | 10 | 82 |
| OctoberOct | 40 | 14° | 5° | 4.0 h | 14 | 86 |
| NovemberNov | 12 | 6° | 0° | 3.0 h | 12 | 71 |
| DecemberDec | 9 | 0° | −6° | 2.3 h | 14 | 71 |
Climate averages 1996–2025 (sunshine partly WMO station normals 1991–2020), not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
44.61° N, 79.42° W · 232 m · America/Toronto
Sunshine hours in Orillia
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 4.0 of 11.1 hours of daylight in Orillia, 36 % of the daylight hours.
Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.
Rain in Orillia: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Orillia has about 14 rainy days with 86 mm of rain in total.
UV index in Orillia
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 3 · moderateAround midday seek shade; use sunscreen, a hat and sunglasses.
The sun is strongest in June (UV 9).
Minutes until sunburn in October
- Very fair skin
- about 40 min
- Fair skin
- about 55 min
- Light brown skin
- about 75 min
- Olive skin
- about 95 min
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen the time, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Wind and clouds in Orillia
How breezy and how cloudy Orillia is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Orillia typically peaks at 18 km/h during the day: Beaufort 3, gentle breeze.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 66 % of the sky over Orillia: mostly cloudy, with about 4.0 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Heat and humidity in Orillia
How often the day gets hot in Orillia (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.
Heat calendar
- pleasant
- some hot or muggy days
- often muggy
- often hot
- hot and muggy
In October, Orillia has about 0 hot days, with an average daytime high of 14 °C: pleasant. Heat plays no part this month.
Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year
Snow in Orillia
When Orillia is likely to be white: the chance of seeing snow during a week's stay, the days with fresh snow and how much falls. Tap a month to select it.
Snow calendar
- hardly any
- possible
- likely
- very likely
In October, it hardly ever snows in Orillia.
Snow days bring at least 1 cm of fresh snow. Fresh snow comes from ERA5 snowfall (1996–2025) at the height of the place, not on the slopes above it; the snow chance also weighs whether the snow settles. An estimate from climate averages, not a snow report.
Planning a trip to Orillia
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Orillia in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Orillia has its best school-holiday weather during the summer holidays (score 80) and its weakest during the Christmas holidays (score 11).
- 34
Easter holidays
Mar – Apr
Poor
- 8 °C by day
- 6.0 h of sun a day
- 11 rainy days a month
Keep in mind: Snow
- 79
May half-term
May – Jun
Good
- 20 °C by day
- 7.7 h of sun a day
- 11 rainy days a month
Good for: Sightseeing & walks
- 80
Summer holidays
Jul – Aug
ExcellentBest holidays
- 26 °C by day
- 7.9 h of sun a day
- 12 rainy days a month
Good for: Sightseeing & walks
- 40
October half-term
Oct
Fair
- 14 °C by day
- 4.0 h of sun a day
- 14 rainy days a month
Keep in mind: Frequent rain
- 11
Christmas holidays
Dec – Jan
Poor
- −2 °C by day
- 2.6 h of sun a day
- 13 rainy days a month
Keep in mind: Frequent rain, Snow
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 7 h 15 min
- Distance
- 5,630 km
- Time zone
- UTC−4
- Jet lag
- About 3 days (5 h west)
Rule of thumb for flying west: for a few days before, stay up a little later, and get afternoon and evening light at your destination.
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Compare & alternatives
Orillia compared
Put Orillia side by side with another destination.
Orillia vs Barrie
In October Barrie has the better holiday weather (score 47 vs 40). During the day it is about as warm in Barrie as in Orillia.
| in October | Orillia | Barrie |
|---|---|---|
| Holiday weather score | 40 | 47 |
| Daytime high | 14° | 14° |
| Sunshine | 4 h | 4 h |
| Rainy days | 14 | 11 |
| Best time | May – Sep | May – Sep |
Through the year
Canada in October: the best places
In October, Orillia ranks 30 among the 31 nearest destinations in this country.
- Brantford16°58
- 2Cobourg15°57
- 3Hamilton15°57
- 4St. Catharines16°57
- 5Port Hope15°55
- 6Oakville15°55
- 7Burlington15°55
- 8Niagara Falls16°55
- 30OrilliaThis page14°40
Near Orillia
Other destinations close by.
Places with a climate like Orillia
Destinations whose weather through the year is closest to Orillia's – good alternatives.
Frequently asked questions about Orillia
When is the best time to visit Orillia?
The best time to visit Orillia is from May to September. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
What is the warmest month in Orillia?
July is the warmest month, with average highs of 26 °C and nights around 16 °C. January is the coolest month at −3 °C.
When does it rain most in Orillia?
Rain is frequent from October to January; the wettest month is June with 101 mm. The driest month is February with 55 mm.
How many hours of sunshine does Orillia get?
Orillia gets around 2,000 hours of sunshine a year. The sunniest month is July with 8.8 hours a day; in December there are 2.3 hours a day.
What time zone is Orillia in?
Orillia is on UTC−5 in January and UTC−4 in July.
How long is the flight from London to Orillia?
A nonstop flight from London to Orillia takes about 7 h 15 min, for a straight-line distance of about 5,630 km.
Which school holidays are best for Orillia?
Orillia has its best school-holiday weather during the summer holidays (score 80) and its weakest during the Christmas holidays (score 11). Holiday ratings (0–100): Easter holidays 34, May half-term 79, summer holidays 80, October half-term 40, Christmas holidays 11.