Whitchurch-Stouffville weather in January

In January, Whitchurch-Stouffville sees average daytime highs of -2°C and overnight lows near -11°C, with 62 mm of precipitation across 10.4 wet days and about 9.1 hours of daylight. It is the 12th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near -2°C through the month. The sky is clear or mostly clear about 11% of the time in January, and the air most often feels dry.

Daylight stretches from about 8 h 48 min at the start of January to 9 h 30 min by month's end. Set against the rest of the year, January is Whitchurch-Stouffville's 12th-clearest and 1st-windiest month. For the whole year in context, see Whitchurch-Stouffville's year-round climate.

Daytime high
-2°
12th warmest
Overnight low
-11°
1st coldest
Precipitation
62 mm
10.4 wet days
Daylight
9 h 06 min
7:55 AM – 4:58 PM
Cloud cover
79%
12th clearest
Wind
14 km/h
1st windiest
Solar energy
1.63 kWh/m²
Travel score
0.0
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near -2°C through the month.

A typical January day in Whitchurch-Stouffville reaches about -2°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 -11°C and 5°C. Set against its neighbours, January runs about 3°C cooler than December and about 1°C cooler than February.

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

How January really feels in Whitchurch-Stouffville

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.

Whitchurch-Stouffville 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-2° / -11°6210.48.89.10.0
Feb-1° / -10°498.16.910.20.0
Mar / -5°5910.45.711.60.2
Apr12° / 8211.32.313.22.8
May18° / 8211.2014.55.6
Jun23° / 13°9311.7015.26.5
Jul26° / 16°8810.90156.6
Aug25° / 15°8410.1013.86.9
Sep21° / 11°789.5012.36.5
Oct13° / 8111.50.410.83.7
Nov / -1°7110.63.29.40.7
Dec / -6°6210.47.38.80.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in January, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 9% of January, with mostly cloudy or overcast conditions the remaining 80%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11783
21783
31783
41783
51684
61684
71684
81585
91585
101684
111684
121684
131882
141882
151882
162080
172080
182080
192179
202179
212377
222476
232476
242476
252476
262575
272575
282575
292575
302575
312674

Chance of precipitation in January

Any precipitationSnow

Whitchurch-Stouffville gets around 62 mm of rain and snow over 10.4 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 33% and peaks near 37% on the wettest days, and about 9 days bring snow. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
13527
23527
33628
43628
53729
63729
73729
83729
93730
103730
113630
123629
133529
143529
153428
163328
173328
183228
193227
203127
213127
223027
233027
243027
252926
262926
272926
282926
292925
302925
312825

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 14 km/h in January, the windiest month of the year.

Across January, daily wind ranges from about 14 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
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 8 h 48 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 42 minutes over January. Sunrise moves from 7:58 AM to 7:44 AM, and sunset from 4:43 PM to 5:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.87:584:43
28.87:584:44
38.87:584:45
48.87:584:46
58.87:584:47
68.87:584:48
78.87:584:48
88.97:584:49
98.97:574:50
108.97:574:51
118.97:574:53
129.07:574:54
139.07:564:55
149.07:564:56
159.07:554:57
169.17:554:58
179.17:554:59
189.17:545:00
199.17:535:02
209.27:535:03
219.27:525:04
229.27:525:05
239.37:515:07
249.37:505:08
259.37:495:09
269.47:495:10
279.47:485:12
289.47:475:13
299.57:465:14
309.57:455:16
319.57:445:17

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 1.63 kWh/m².

For context, solar energy here swings from a low near 1.3 kWh/m² to a high of 6.36 kWh/m² in June across the year — January's 1.63 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
11.3Dim
21.3Dim
31.4Dim
41.4Dim
51.4Dim
61.4Dim
71.4Dim
81.4Dim
91.4Dim
101.5Dim
111.5Dim
121.5Dim
131.5Dim
141.6Dim
151.6Dim
161.6Dim
171.6Dim
181.7Dim
191.7Dim
201.7Dim
211.8Dim
221.8Dim
231.8Dim
241.9Dim
251.9Dim
261.9Dim
271.9Dim
282.0Dim
292.0Moderate
302.0Moderate
312.1Moderate
Planning a trip in January

Is January a good time to visit Whitchurch-Stouffville?

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

0.0
Sightseeing
10th-best month of the year
0.0
Beach & pool
8th-best month of the year

January is a weaker month for outdoor sightseeing in Whitchurch-Stouffville.

What to pack for Whitchurch-Stouffville in January

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

In January, Whitchurch-Stouffville sees daytime highs around -2°C and nights near -11°C. Pack a warm layer and a heavy coat. Worth having: rain gear. About 10 days see rain.

a warm layera heavy coatrain gear

Sea temperature near Whitchurch-Stouffville in January

The nearest coast averages about 4°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 38 km away) is warmest in August at about 21°C and coldest in March near 3°C.

It's comfortable for a long swim from Jul 27 to Sep 2 — about 1.2 months when the water holds above 20°C.

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarm
Sea temperature (°C)Comfort
Jan4Bracing
Feb3Bracing
Mar3Bracing
Apr4Bracing
May7Bracing
Jun14Bracing
Jul19Cool
Aug21Refreshing
Sep19Cool
Oct13Bracing
Nov8Bracing
Dec5Bracing

UV index in Whitchurch-Stouffville 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 Whitchurch-Stouffville peaks around June 21 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 21UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5High
May6High
Jun8Very high
Jul8Very high
Aug6High
Sep5High
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Whitchurch-Stouffville 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 Whitchurch-Stouffville 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 Whitchurch-Stouffville?

Whitchurch-Stouffville sits at 44.0°N, 79.3°W, 338 m above sea level, in Canada. The nearest listed city is Stouffville, 6.0 km away.

Topography around Whitchurch-Stouffville

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

Within 3 km, the terrain around Whitchurch-Stouffville has only modest variations in elevation — a maximum elevation change of 113 m around an average of 318 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 236 m; within 80 km, significant variations in elevation — a maximum elevation change of 527 m.

The land around Whitchurch-Stouffville is covered by trees (45%), grassland (27%) and cropland (24%) within 3 km, trees (38%), cropland (25%) and grassland (22%) within 16 km, and trees (30%), water (28%) and cropland (22%) within 80 km.

3 km
113 m
16 km
236 m
80 km
527 m
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Stouffville 6.0 km · Aurora 12 km · Newmarket 13 km · East Gwillimbury 15 km · Markham 15 km · Richmond Hill 17 km · Pickering 18 km · Uxbridge 19 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 Whitchurch-Stouffville (44.0001°, -79.3163°, elevation 338 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).