Orillia weather in January

In January, Orillia sees average daytime highs of -4°C and overnight lows near -11°C, with 65 mm of precipitation across 11.9 wet days and about 9 hours of daylight. It is the 12th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near -4°C through the month. The sky is clear or mostly clear about 8% of the time in January, and the air most often feels dry.

Daylight stretches from about 8 h 42 min at the start of January to 9 h 30 min by month's end. Set against the rest of the year, January is Orillia's 12th-clearest and 5th-windiest month. For the whole year in context, see Orillia's year-round climate.

Daytime high
-4°
12th warmest
Overnight low
-11°
1st coldest
Precipitation
65 mm
11.9 wet days
Daylight
9 hours
7:57 AM – 4:56 PM
Cloud cover
82%
12th clearest
Wind
13 km/h
5th windiest
Solar energy
1.68 kWh/m²
Travel score
0.0
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 January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near -4°C through the month.

A typical January day in Orillia reaches about -4°C in the afternoon and slips back to -11°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between -12°C and 4°C. Set against its neighbours, January runs about 3°C cooler than December and about 1°C cooler than February.

-20°-10°151015202531
Avg high (°C)Avg low (°C)
1-2-9
2-3-10
3-3-10
4-3-10
5-3-10
6-3-10
7-3-10
8-3-10
9-3-11
10-3-11
11-3-11
12-3-11
13-4-11
14-4-11
15-4-12
16-4-12
17-4-12
18-4-12
19-4-12
20-4-12
21-4-12
22-4-12
23-4-12
24-4-12
25-4-12
26-4-12
27-4-12
28-4-12
29-4-12
30-4-12
31-4-12

How January really feels in Orillia

Once humidity and wind are folded in, January averages 0 days that feel above 32°C and 31 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
31
31 feel bitter (≤ -10°C)

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

Orillia weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 9th-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 January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% of the time in January, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 7% of January, with mostly cloudy or overcast conditions the remaining 85%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11288
21288
31288
41288
51189
61189
71288
81288
91288
101288
111387
121387
131387
141387
151486
161387
171387
181486
191585
201585
211684
221684
231783
241882
251882
261882
271882
281981
291981
302179
312179

Chance of precipitation in January

Any precipitationSnow

Orillia gets around 65 mm of rain and snow over 11.9 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 38% and peaks near 43% on the wettest days, and about 12 days bring snow. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
14236
24237
34337
44338
54338
64339
74339
84339
94340
104340
114239
124239
134139
144139
154038
163938
173837
183737
193636
203636
213536
223435
233435
243335
253234
263234
273234
283133
293133
303133
313133

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January 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%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in January

Winds average 13 km/h in January.

Across January, 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.

05101520151015202531
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
3113light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 8 h 42 min at the start of January to 9 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 48 minutes over January. Sunrise moves from 8:00 AM to 7:46 AM, and sunset from 4:41 PM to 5:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.78:004:41
28.78:004:42
38.78:004:43
48.78:004:44
58.78:004:45
68.88:004:46
78.88:004:47
88.88:004:48
98.88:004:49
108.88:004:50
118.97:594:51
128.97:594:52
138.97:594:53
148.97:584:54
159.07:584:55
169.07:574:56
179.07:574:58
189.07:564:59
199.17:565:00
209.17:555:01
219.17:555:03
229.27:545:04
239.27:535:05
249.27:525:06
259.37:525:08
269.37:515:09
279.37:505:10
289.47:495:12
299.47:485:13
309.57:475:14
319.57:465:16

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 1.68 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 — January's 1.68 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
11.4Dim
21.4Dim
31.4Dim
41.4Dim
51.4Dim
61.4Dim
71.4Dim
81.5Dim
91.5Dim
101.5Dim
111.5Dim
121.6Dim
131.6Dim
141.6Dim
151.6Dim
161.7Dim
171.7Dim
181.7Dim
191.8Dim
201.8Dim
211.8Dim
221.9Dim
231.9Dim
241.9Dim
252.0Dim
262.0Moderate
272.0Moderate
282.1Moderate
292.1Moderate
302.1Moderate
312.2Moderate
Planning a trip in January

Is January a good time to visit Orillia?

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

0.0
Sightseeing
9th-best month of the year
0.0
Beach & pool
8th-best month of the year

January is a weaker month for outdoor sightseeing in Orillia.

What to pack for Orillia in January

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

In January, Orillia sees daytime highs around -4°C and nights near -11°C. Pack a warm layer and a heavy coat. Worth having: rain gear. About 12 days see rain.

a warm layera heavy coatrain gear

Sea temperature near Orillia in January

The nearest coast averages about 3°C in January — 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 January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 1. 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 January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January 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
January 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).