Saint John Weather: December
 |
Average Day Temperature: | 31.4°F |
|
Average Night Temperature: | 26.8°F |
|
Sea Water Temperature: | 45.6°F |
|
Number of Sunny Days: | 7 days |
| Sunshine Hours: | 8.7 - 9.0 hours | |
|
Number of Rainy Days: | 2 days |
| Precipitation Totals: | 1.5 in | |
| detailed information | ||
forecast
| Saint John |
Temperature
| Saint John |
Air Temperature in December, °F
| Day Temperature | Night Temperature |
The highest day temperature in December 2024 was 46°F. The lowest night temperature was 8°F. The average values for day and night temperatures during December were 32.1°F и 25.8°F respectivly.
Saint John Water Sea Temperature in December, °F
The average sea surface temperature in December 2024 for Saint John was 43.9°F. The maximum and minimum values were 39.4°F and 47.2°F respectively.
| Sunny days | |
| Cloudy days | |
| Gloomy days |
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 Saint John is 1.5 in. It makes december one of the most rainy months of the year.
The average wind speed in December is 8.5 mph. This value is relatively stable throughout the year.
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 Saint John in December is 3.7 hours.
Saint John on the Weather Map
| Halifax |  |
+40 |
| Moncton | |
+32 |
| Montreal | |
+26 |
| Nanaimo | |
+36 |
| Niagara Falls |  |
+32 |
| Ottawa |  |
+28 |
| Prince Edward Island | |
+30 |
| Quebec | |
+22 |
| St. John's | |
+44 |
| Sydney | |
+46 |
| Toronto | |
+32 |
| Vancouver | |
+34 |
| Victoria |  |
+40 |
| Winnipeg | |
+16 |
| Yellowknife |  |
-26 |
| 1200 |  |
34°F | S 7 mph |
| 1500 |  |
38°F | SW 7 mph |
| 1800 | |
36°F | SW 7 mph |
| 2100 |  |
32°F | W 6 mph |
| 0000 | |
30°F | S 3 mph |
| 0300 | |
28°F | SW 4 mph |
| 0600 | |
26°F | S 4 mph |
| 0900 |  |
32°F | SW 5 mph |