Hamilton Weather: December
 |
Average Day Temperature: | 33.8°F |
|
Average Night Temperature: | 30.1°F |
|
Sea Water Temperature: | 39.9°F |
|
Number of Sunny Days: | 4 days |
| Sunshine Hours: | 9.0 - 9.2 hours | |
|
Number of Rainy Days: | 1 day |
| Precipitation Totals: | 0.8 in | |
|
Number of Snowy Days: | 1 day |
| detailed information | ||
forecast
| Hamilton |
Temperature
| Hamilton |
Air Temperature in December, °F
The highest day temperature in December 2025 was 54°F. The lowest night temperature was 9°F. The average values for day and night temperatures during December were 28.0°F и 22.8°F respectivly.
Hamilton Water Sea Temperature in December, °F
The average sea surface temperature in December 2025 for Hamilton was 38.1°F. The maximum and minimum values were 36.6°F and 40.8°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 Hamilton is 0.8 in.
The average wind speed in December is 10.6 mph. It makes December the most windy month of the year for Hamilton.
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 Hamilton in December is 3.2 hours.
Hamilton 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 | |
+14 |
| Sydney | |
+28 |
| Toronto | |
+18 |
| Vancouver |  |
+52 |
| Victoria |  |
+54 |
| Winnipeg | |
+38 |
| Yellowknife | |
-10 |
| 2100 |  |
14°F | NE 8 mph |
| 0000 |  |
12°F | NE 9 mph |
| 0300 | |
14°F | N 9 mph |
| 0600 |  |
14°F | N 10 mph |
| 0900 | |
16°F | NE 9 mph |
| 1200 | |
20°F | NE 9 mph |
| 1500 | |
24°F | NE 7 mph |
| 1800 | |
24°F | E 7 mph |