Mississauga weather in January

In January, Mississauga sees average daytime highs of -1°C and overnight lows near -7°C, with 70 mm of precipitation across 11 wet days and about 9.1 hours of daylight. It is the 12th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 0°C in the first days to -1°C by the end. 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 48 min at the start of January to 9 h 36 min by month's end. Set against the rest of the year, January is Mississauga's 12th-clearest and 1st-windiest month. For the whole year in context, see Mississauga's year-round climate.

Daytime high
-1°
12th warmest
Overnight low
-7°
2nd coldest
Precipitation
70 mm
11 wet days
Daylight
9 h 06 min
7:55 AM – 5:01 PM
Cloud cover
80%
12th clearest
Wind
17 km/h
1st windiest
Solar energy
1.63 kWh/m²
Travel score
0.0
out of 10

Mississauga is city in Ontario, Canada.

Air quality
Good
PM2.5 7 µg/m³ · 2019
Founded
1968

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 0°C in the first days to -1°C by the end.

A typical January day in Mississauga reaches about -1°C in the afternoon and slips back to -7°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between -8°C and 6°C. Set against its neighbours, January runs about 3°C cooler than December and on par with February.

-20°-10°10°151015202531
Avg high (°C)Avg low (°C)
10-5
20-5
30-5
40-6
50-6
60-6
70-6
80-6
90-6
100-7
11-1-7
12-1-7
13-1-7
14-1-7
15-1-7
16-1-7
17-1-8
18-1-8
19-1-8
20-1-8
21-1-8
22-1-8
23-1-8
24-1-8
25-1-8
26-1-8
27-1-8
28-1-8
29-1-8
30-1-8
31-1-8

How January really feels in Mississauga

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.

Mississauga weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-1° / -7°70118.59.10.0
Feb-0° / -7°558.66.610.20.0
Mar / -3°659.64.911.60.2
Apr10° / 8911.3213.22.3
May16° / 8111014.55.0
Jun22° / 14°8211.3015.26.5
Jul25° / 18°7410.1014.96.8
Aug25° / 17°669.4013.87.1
Sep21° / 13°759.2012.36.6
Oct14° / 8311.10.110.84.0
Nov / 7710.22.69.51.0
Dec / -3°7010.56.38.80.0

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 10% of January, with mostly cloudy or overcast conditions the remaining 81%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11585
21585
31585
41585
51585
61486
71486
81486
91585
101684
111684
121684
131684
141783
151783
161783
171882
181981
191981
201981
212080
222080
232179
242278
252278
262278
272377
282377
292476
302476
312476

Chance of precipitation in January

Any precipitationSnow

Mississauga gets around 70 mm of rain and snow over 11 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 35% and peaks near 40% 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 (%)
13724
23724
33825
43926
53926
64027
74028
84028
94029
104029
113929
123829
133829
143729
153629
163628
173528
183428
193428
203327
213227
223227
233126
243126
253026
263025
273025
283025
293025
302925
312924

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

Across January, daily wind ranges from about 16 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
117light breeze
218light breeze
318light breeze
418light breeze
518light breeze
618light breeze
718light breeze
818light breeze
918light breeze
1018light breeze
1117light breeze
1217light breeze
1317light breeze
1417light breeze
1517light breeze
1617light breeze
1717light breeze
1817light breeze
1917light breeze
2017light breeze
2117light breeze
2217light breeze
2317light breeze
2417light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3017light breeze
3116light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 8 h 48 min at the start of January to 9 h 36 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 7:58 AM to 7:44 AM, and sunset from 4:46 PM to 5:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.87:584:46
28.87:584:47
38.87:584:48
48.87:584:49
58.97:584:49
68.97:584:50
78.97:584:51
88.97:574:52
98.97:574:53
109.07:574:54
119.07:574:55
129.07:574:56
139.07:564:57
149.07:564:59
159.17:555:00
169.17:555:01
179.17:555:02
189.27:545:03
199.27:545:04
209.27:535:06
219.27:525:07
229.37:525:08
239.37:515:09
249.37:505:10
259.47:505:12
269.47:495:13
279.47:485:14
289.57:475:16
299.57:465:17
309.57:455:18
319.67:445:19

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 6.25 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
272.0Dim
282.0Dim
292.0Moderate
302.1Moderate
312.1Moderate
Planning a trip in January

Is January a good time to visit Mississauga?

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 Mississauga.

What to pack for Mississauga in January

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

In January, Mississauga sees daytime highs around -1°C and nights near -7°C. Pack a warm layer and a heavy coat. Worth having: rain gear. About 11 days see rain.

a warm layera heavy coatrain gear

Sea temperature near Mississauga 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 23 km away) is warmest in August at about 21°C and coldest in February near 3°C.

It's comfortable for a long swim from Jul 22 to Sep 1 — about 1.4 months when the water holds above 20°C.

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarm
Sea temperature (°C)Comfort
Jan4Bracing
Feb3Bracing
Mar3Bracing
Apr4Bracing
May8Bracing
Jun15Cool
Jul20Cool
Aug21Refreshing
Sep19Cool
Oct13Bracing
Nov8Bracing
Dec5Bracing

UV index in Mississauga 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 Mississauga 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 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 21UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5High
May6High
Jun8Very high
Jul8Very high
Aug6High
Sep5High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Mississauga?

Mississauga sits at 43.6°N, 79.7°W, 159 m above sea level, in Canada. The nearest listed city is Etobicoke, 10 km away.

Topography around Mississauga

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

Within 3 km, the terrain around Mississauga has only modest variations in elevation — a maximum elevation change of 102 m around an average of 151 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 191 m; within 80 km, significant variations in elevation — a maximum elevation change of 459 m.

The land around Mississauga is covered by artificial surfaces (62%) and trees (28%) within 3 km, artificial surfaces (40%) within 16 km, and cropland (29%), trees (26%) and water (22%) within 80 km.

3 km
102 m
16 km
191 m
80 km
459 m
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Etobicoke 10 km · Eringate-Centennial-West Deane 11 km · Islington-City Centre West 11 km · Mimico 12 km · Stonegate-Queensway 14 km · Willowridge-Martingrove-Richview 14 km · Oakville 14 km · Brampton 15 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 Mississauga (43.5789°, -79.6583°, elevation 159 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).