Mississauga Weather: December
 |
Average Day Temperature: | 32.6°F |
|
Average Night Temperature: | 29.0°F |
|
Sea Water Temperature: | 39.6°F |
|
Number of Sunny Days: | 4 days |
| Sunshine Hours: | 8.9 - 9.2 hours | |
|
Number of Rainy Days: | 1 day |
| Precipitation Totals: | 0.9 in | |
|
Number of Snowy Days: | 1 day |
| detailed information | ||
forecast
| Mississauga |
Temperature
| Mississauga |
Air Temperature in December, °F
The highest day temperature in December 2025 was 49°F. The lowest night temperature was 5°F. The average values for day and night temperatures during December were 26.1°F и 20.4°F respectivly.
Mississauga Water Sea Temperature in December, °F
The average sea surface temperature in December 2025 for Mississauga was 38.0°F. The maximum and minimum values were 36.6°F and 40.4°F respectively.
Most of the days in December are gloomy but you can also expect sunny days.
Precipitation Totals in December, in
Precipitation total in December for Mississauga is 0.9 in.
The average wind speed in December is 9.8 mph. It makes December one of the most windy months of the year for Mississauga.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Mississauga in December is 3.2 hours.
Mississauga on the Weather Map
| Halifax |  |
+34 |
| Kingston | |
+36 |
| Montreal | |
+44 |
| Niagara Falls | |
+40 |
| Ottawa | |
+38 |
| Prince Edward Island | |
+30 |
| Quebec |  |
+30 |
| Saint John |  |
+40 |
| St. John's |  |
+24 |
| Sydney | |
+30 |
| Toronto | |
+36 |
| Vancouver |  |
+48 |
| Victoria | |
+46 |
| Winnipeg |  |
+8 |
| Yellowknife | |
-32 |
| 0000 |  |
34°F | E 8 mph |
| 0300 |  |
30°F | SE 4 mph |
| 0600 | |
30°F | SW 4 mph |
| 0900 | |
30°F | W 6 mph |
| 1200 | |
30°F | W 11 mph |
| 1500 | |
32°F | W 14 mph |
| 1800 | |
34°F | W 12 mph |
| 2100 |  |
32°F | NW 6 mph |