Niagara-on-the-Lake Weather: December
 |
Average Day Temperature: | 34.3°F |
|
Average Night Temperature: | 30.9°F |
|
Sea Water Temperature: | 40.8°F |
|
Number of Sunny Days: | 4 days |
| Sunshine Hours: | 9.0 - 9.2 hours | |
|
Number of Rainy Days: | 1 day |
| Precipitation Totals: | 0.9 in | |
| detailed information | ||
forecast
| Niagara-on-the-Lake |
Temperature
| Niagara-on-the-Lake |
Air Temperature in December, °F
The highest day temperature in December 2025 was 53°F. The lowest night temperature was 6°F. The average values for day and night temperatures during December were 27.8°F и 22.5°F respectivly.
Niagara-on-the-Lake Water Sea Temperature in December, °F
The average sea surface temperature in December 2025 for Niagara-on-the-Lake was 38.7°F. The maximum and minimum values were 36.4°F and 43.2°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 Niagara-on-the-Lake is 0.9 in.
The average wind speed in December is 11.8 mph. It makes December one of the most windy months of the year for Niagara-on-the-Lake.
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 Niagara-on-the-Lake in December is 2.9 hours.
Niagara-on-the-Lake on the Weather Map
| Halifax |  |
+40 |
| Kingston |  |
+44 |
| Moncton | |
+40 |
| Montreal | |
+50 |
| Niagara Falls | |
+56 |
| Ottawa | |
+46 |
| Prince Edward Island | |
+38 |
| Quebec | |
+42 |
| Saint John |  |
+36 |
| St. John's | |
+32 |
| Sydney | |
+34 |
| Toronto | |
+54 |
| Vancouver | |
+38 |
| Victoria | |
+40 |
| Winnipeg | |
0 |
| 0000 |  |
54°F | NE 14 mph |
| 0300 | |
48°F | NE 12 mph |
| 0600 |  |
46°F | N 9 mph |
| 0900 | |
48°F | NE 9 mph |
| 1200 | |
52°F | NE 11 mph |
| 1500 | |
48°F | E 9 mph |
| 1800 | |
44°F | S 7 mph |
| 2100 | |
40°F | SW 14 mph |