Current sea water temperature:
+43.7°F
| Minimum sea water temperature in December: | 49.6°F |
| Maximum sea water temperature in December: | 42.3°F |
| Average sea water temperature in December: | 46.3°F |
| more information | |
14 days
forecast
forecast
| Saint John |
monthly
weather
weather
| Saint John |
Sea water temperature for the last 10 days:
| December 21 | 43.7°F | December 16 | 44.8°F |
| December 20 | 44.2°F | December 15 | 45.3°F |
| December 19 | 42.8°F | December 14 | 45.0°F |
| December 18 | 44.4°F | December 13 | 45.7°F |
| December 17 | 45.0°F | December 12 | 45.1°F |
Monthly sea water temperature, °F
When is the warmest sea in Saint John?
Based on the data about daily sea water temperature for the last three years the warmest sea in Saint John was noticed in August, September and July.
Monthly Sea Temperatures in Saint John, °F
Sea water temperature in August, °F
Show year:
2024
2023
2022
The average sea water temperature in August of 2024 was 59.3°F. The highest and lowest sea temperatures during the month were 61.5°F and 56.3°F.
Sea water temperature in September, °F
Show year:
2024
2023
2022
The average sea water temperature in September of 2024 was 58.6°F. The highest and lowest sea temperatures during the month were 60.8°F and 56.1°F.
Sea water temperature in July, °F
Show year:
2024
2023
2022
The average sea water temperature in July of 2024 was 58.7°F. The highest and lowest sea temperatures during the month were 64.9°F and 54.0°F.
current
weather
weather
| Saint John |
weather in
December
December
| Saint John |
Best time for vacation in Saint John
Saint John on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Saint John
Local time: 01:12
December 22, sunday
0300
18°F
SE
12 mph
12 mph
0600
14°F
SE
11 mph
11 mph
0900
12°F
SE
12 mph
12 mph
1200
16°F
SE
12 mph
12 mph
1500
18°F
SE
11 mph
11 mph
1800
19°F
SE
11 mph
11 mph
2100
16°F
SE
11 mph
11 mph
December 23, monday
0000
16°F
SE
10 mph
10 mph
