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 |  |
+24 |
| Moncton | |
+18 |
| Montreal | |
+14 |
| Niagara Falls | |
+14 |
| Ottawa |  |
+14 |
| Prince Edward Island | |
+20 |
| Quebec |  |
+8 |
| Saint John | |
+20 |
| St. John's |  |
+16 |
| Sydney | |
+28 |
| Toronto | |
+18 |
| Vancouver | |
+52 |
| Victoria | |
+54 |
| Winnipeg | |
+40 |
| Yellowknife | |
-10 |
| 1800 |  |
14°F | NE 6 mph |
| 2100 |  |
10°F | NE 6 mph |
| 0000 | |
10°F | N 7 mph |
| 0300 | |
12°F | N 9 mph |
| 0600 |  |
14°F | N 9 mph |
| 0900 | |
16°F | N 9 mph |
| 1200 | |
20°F | NE 9 mph |
| 1500 | |
24°F | NE 9 mph |