easeweather.com
Mississauga
AbbotsfordAjaxAuroraBanffBarrieBoisbriandBouchervilleBramptonBrandonBrantfordBrossardBurlingtonBurnabyCalgaryCambridgeCharlottetownChathamChilliwackCoquitlamCornwallDartmouthDeltaDorvalEdmontonFort McMurrayFrederictonGatineauGranbyGrande PrairieGreater SudburyGuelphHalifaxHamiltonKamloopsKanataKelownaKingstonKitchenerLangleyLavalLethbridgeLindsayLondonMarkhamMiltonMission
Mississauga
MonctonMont-RoyalMontréalMoose JawNanaimoNepeanNew GlasgowNewmarketNiagara FallsNorfolk CountyNorth BattlefordNorth BayOakvilleOkanaganOrilliaOshawaOttawaPentictonPeterboroughPickeringPointe-ClairePrince AlbertPrince EdwardPrince GeorgeQuébecRed DeerReginaRichmond HillSaguenaySaint JohnSarniaSaskatoonSault Ste. MarieSherbrookeSt. CatharinesSt. John'sSurreySydneyTerrebonneThunder BayTimminsTorontoVancouverVaughanVictoriaWasaga BeachWaterlooWellandWest VancouverWhistlerWindsorWinnipegWoodstockYellowknife More Locations
Canada weather

Weather in Mississauga for December 2025

Your guide to Mississauga weather in December - trends and predictions

    Official Weather Alert ⚠️

  • Snow Squall Warning - See hour by hour.

    • Snow Forecast ❄️

  • The climate of Mississauga in December is quite snowy, averaging 11 snowy days.
    According to Mississauga snow forecast for December 2025, 5 snowy days are expected in the next 2 weeks. The closest date with snow is Saturday, 20 December.

    • Temperatures

  • Until now, December 2025 in Mississauga is cooler than usual, with temperatures averaging -0.8 °C, this is -2.7 °C below the typical seasonal average.

  • Expect cooler weather in the next days in Mississauga with the forecast suggesting a temperature of -1.9 °C, lower than the historical average.

  • In general, the average temperature in Mississauga at the beginning of December is 1.3 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 0.1 °C by the end of December.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
9
Dry days
Average rainy days
11
Rainy days
Average snowy days
11
Snow days
Average temperatures
2°/-1°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
82 %
Avg humidity

Mississauga Weather December

Move between months or click on a day
November
January
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Overcast
1°
2
Light rain
2°
3
Moderate or heavy sleet
2°
4
Overcast
1°
5
Overcast
1°
6
Overcast
0°
7
Heavy snow
2°
8
Fog
2°
9
Thundery outbreaks possible
5°
10
Moderate rain
5°
11
Light freezing rain
-0°
12
Patchy rain possible
2°
13
Partly cloudy
-1°
14
Weather Alert Sunny
-7°
15
Overcast
-4°
16
Overcast
-2°
17
Overcast
3°
18
Moderate or heavy snow showers
5°
19
Blowing snow
-4°
20
Heavy snow
0°
21
Patchy moderate snow
1°
22
Overcast
-3°
23
Patchy rain possible
6°
24
Light snow showers
-6°
25
Patchy moderate snow
-5°
26
Heavy snow
-4°
27
Partly cloudy
-7°
28
Patchy rain possible
4°
29
Light drizzle
6°
30
Sunny
5°
31
Light snow
2°

Temperatures trend during December in Mississauga

See the weather trend as well as the moving average line

December weather in Mississauga day by day

Click on a date for more information
November January
Date Weather Temperatures Rain Snow More
1 Dec. Overcast
Overcast
 1° /-2° 3.6 mm 0 cm
2 Dec. Light rain
Light rain
 2° /-2° 4 mm 1 cm
3 Dec. Moderate or heavy sleet
Moderate or heavy sleet
 2° /-2° 6.1 mm 0 cm
4 Dec. Overcast
Overcast
 1° /-3° 1.3 mm 0.4 cm
5 Dec. Overcast
Overcast
 1° /-4° 0.9 mm 0.6 cm
6 Dec. Overcast
Overcast
 0° /-4° 0 mm 0 cm
7 Dec. Heavy snow
Heavy snow
 2° /-2° 4.4 mm 3.2 cm
8 Dec. Fog
Fog
 2° /-3° 0 mm 0 cm
9 Dec. Thundery outbreaks possible
Thundery outbreaks possible
 5° /-1° 14.9 mm 2.3 cm
10 Dec. Moderate rain
Moderate rain
 5° /0° 13.8 mm 4.1 cm
11 Dec. Light freezing rain
Light freezing rain
 0° /-3° 0.6 mm 0.4 cm
12 Dec. Patchy rain possible
Patchy rain possible
 2° /-6° 0 mm 0 cm
13 Dec. Partly cloudy
Partly cloudy
 -1° /-5° 0 mm 0 cm
14 Dec. Sunny
Sunny
 -7° /-15° 0.1 mm 0 cm
15 Dec. Overcast
Overcast
 -4° /-10° 0 mm 0 cm
16 Dec. Overcast
Overcast
 -2° /-7° 0 mm 0 cm
17 Dec. Overcast
Overcast
 3° /-3° 0 mm 0 cm
18 Dec. Moderate or heavy snow showers
Moderate or heavy snow showers
 5° /-6° 1.8 mm 0 cm
19 Dec. Blowing snow
Blowing snow
 -4° /-5° 0.3 mm 0 cm
20 Dec. Heavy snow
Heavy snow
 0° /-5° 10.7 mm 1.5 cm
21 Dec. Patchy moderate snow
Patchy moderate snow
 1° /-7° 0.5 mm 0 cm
22 Dec. Overcast
Overcast
 -3° /-9° 0 mm 0 cm
23 Dec. Patchy rain possible
Patchy rain possible
 6° /-5° 0.6 mm 0 cm
24 Dec. Light snow showers
Light snow showers
 -6° /-8° 0.2 mm 0.1 cm
25 Dec. Patchy moderate snow
Patchy moderate snow
 -5° /-7° 0.7 mm 0.5 cm
26 Dec. Heavy snow
Heavy snow
 -4° /-7° 2.4 mm 1.7 cm
27 Dec. Partly cloudy
Partly cloudy
 -7° /-10° 0 mm 0 cm
28 Dec. Patchy rain possible
Patchy rain possible
 4° /2° 2.4 mm 0 cm
29 Dec. Light drizzle
Light drizzle
 6° /3° 34.2 mm 0 cm
30 Dec. Sunny
Sunny
 5° /0° 3.3 mm 0 cm
31 Dec. Light snow
Light snow
 2° /0° 3.3 mm 2.4 cm
Next
Important Notice
Our weather forecast for Mississauga in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Mississauga forecast closer to your planned date for the most up-to-date weather information.
Change Month
‹
›

Mississauga in December - FAQ

What are the expected maximum and minimum temperatures in Mississauga during December?
Brace for cold days with temperatures not exceeding 2° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Mississauga during December?
Significant rainfall exceeding 138.9 mm is expected in Mississauga during December, occurring over more than 11 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Mississauga in December 2025?
Mississauga experiences an average snowfall of 22.13 cm during December, occurring over 11 days.
What are the typical wind conditions in Mississauga during December?
The average wind speed in Mississauga during December is 19 km/h, suggesting breezy to windy conditions, depending on your activities.

Mississauga snow forecast December 2025

Track daily snowfall levels and discover Mississauga’s snowy potential this December ❄️
On average, Mississauga sees 11 snowy days during December, with approximately 22.1 cm of total snowfall.

December rainfall patterns in Mississauga

Explore the daily rainfall trends and prepare for Mississaugas December weather 💧
Typically, Mississauga has 11 rainy days in December with a total of 138.9 mm of rainfall.

Quick links

More Mississauga weather pages
You are here
Location coordinates Where is Mississauga?

Get accurate weather forecasts for Mississauga, located at latitude 43.579 and longitude -79.658. Stay updated with localized weather information tailored for Mississauga.

Found a mistake?
We appreciate your attention to details. Tell us here.