Search for cities, countries, lakes and rivers
Sea Temperature in Saint John in December
Complete information on the sea temperature range in the Atlantic Ocean in Saint John in December. Historical daily data. Climate details for December. Tips on swimming conditions and beach relaxation in Saint John. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.
Water Temperature Range in Saint John in December
3°C
MINIMUN
7°C
AVERAGE
11°C
MAXIMUM
Historical Data of Water Temperature in December in Saint John
Water Temperature Chart for Atlantic Ocean in Saint John in December
Sea Temperature Table in Saint John in December Over the Past Years
| Day | 2024 | 2023 | 2022 | Average |
|---|---|---|---|---|
| Dec 1 | 9°C | 9°C | 10°C | 9.8°C |
| Dec 2 | 9°C | 9°C | 10°C | 9.5°C |
| Dec 3 | 9°C | 9°C | 10°C | 9.5°C |
| Dec 4 | 9°C | 9°C | 10°C | 9.5°C |
| Dec 5 | 9°C | 9°C | 10°C | 9.5°C |
| Dec 6 | 9°C | 8°C | 10°C | 9.3°C |
| Dec 7 | 8°C | 8°C | 10°C | 8.8°C |
| Dec 8 | 8°C | 8°C | 8°C | 8.3°C |
| Dec 9 | 8°C | 8°C | 8°C | 8.3°C |
| Dec 10 | 7°C | 8°C | 10°C | 8.5°C |
| Dec 11 | 7°C | 8°C | 10°C | 8.8°C |
| Dec 12 | 7°C | 8°C | 9°C | 8.5°C |
| Dec 13 | 8°C | 8°C | 9°C | 8.8°C |
| Dec 14 | 8°C | 8°C | 9°C | 8.5°C |
| Dec 15 | 8°C | 8°C | 9°C | 8.8°C |
| Dec 16 | 7°C | 8°C | 8°C | 8.0°C |
| Dec 17 | 6°C | 7°C | 9°C | 7.8°C |
| Dec 18 | 7°C | 7°C | 8°C | 7.8°C |
| Dec 19 | 7°C | 7°C | 8°C | 7.8°C |
| Dec 20 | 7°C | 7°C | 8°C | 7.8°C |
| Dec 21 | 7°C | 7°C | 8°C | 7.8°C |
| Dec 22 | 7°C | 7°C | 8°C | 7.8°C |
| Dec 23 | 7°C | 7°C | 8°C | 7.5°C |
| Dec 24 | 7°C | 7°C | 8°C | 7.5°C |
| Dec 25 | 6°C | 7°C | 8°C | 7.5°C |
| Dec 26 | 6°C | 7°C | 8°C | 7.3°C |
| Dec 27 | 6°C | 7°C | 8°C | 7.3°C |
| Dec 28 | 6°C | 7°C | 8°C | 7.3°C |
| Dec 29 | 6°C | 7°C | 8°C | 7.3°C |
| Dec 30 | 6°C | 7°C | 7°C | 7.0°C |
Saint John Climate and Swimming Opportunities in December
8°C
Average Day Air Temperature
3°C
Average Night Air Temperature
86 mm
Precipitation Amount per Month
18 days
Number of Rainy Days
7 hrs
Daylight
per Day
1 hrs
Sunshine
per Day
22 km/h
Average Wind Speed
91%
Average
humidity
Saint John lies within the New Brunswick in Canada. The average daytime temperature in Saint John in December is 8°C (46°F), while the nighttime average is 3°C (37°F). There are typically 18 rainy days during the month, with a total precipitation of 86 mm (3.4 inches). The daylight duration in December in Saint John is 7 hours, with an average of 1 hours of sunshine per day. The average wind speed in December is 22 km/h (14 mph), and the humidity level is around 91%.
The water temperature in Saint John in December ranges from 7°C to 9°C (45°F to 48°F). At the beginning of the month, the average temperature is around 9°C (48°F), shifting to 8°C (46°F) by mid-December and reaching 7°C (45°F) in the last ten days. Overall, the average sea temperature in Saint John for December is 8°C (46°F). Still too cold for most swimmers. Only short dips in proper gear are advisable.
Sea Temperature in December in Nearby Cities
Frequently Asked Questions About Water Temperatures in December in Saint John
What is the sea temperature in Saint John in December?
The water temperature in the Atlantic Ocean in Saint John in December ranges from 7°C to 9°C (45°F to 48°F).
Is it possible to swim in the Atlantic Ocean in Saint John in December?
The average sea temperature in Saint John in December is 8°C (46°F), and the air temperature is 8°C (46°F), so still too cold for most swimmers. Only short dips in proper gear are advisable.