Current sea water temperature:
+34.5°F
| Minimum sea water temperature in December: | 38.7°F |
| Maximum sea water temperature in December: | 32.0°F |
| Average sea water temperature in December: | 34.2°F |
| more information | |
14 days
forecast
forecast
| Moncton |
monthly
weather
weather
| Moncton |
Sea water temperature for the last 10 days:
| December 14 | 34.5°F | December 9 | 36.0°F |
| December 13 | 34.7°F | December 8 | 36.1°F |
| December 12 | 35.1°F | December 7 | 36.3°F |
| December 11 | 35.2°F | December 6 | 36.5°F |
| December 10 | 35.8°F | December 5 | 36.1°F |
Monthly sea water temperature, °F
When is the warmest sea in Moncton?
Based on the data about daily sea water temperature for the last three years the warmest sea in Moncton was noticed in August, July and September.
Monthly Sea Temperatures in Moncton, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 64.0°F. The highest and lowest sea temperatures during the month were 67.5°F and 60.1°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 61.3°F. The highest and lowest sea temperatures during the month were 65.5°F and 57.7°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 62.1°F. The highest and lowest sea temperatures during the month were 65.3°F and 59.7°F.
current
weather
weather
| Moncton |
weather in
December
December
| Moncton |
Best time for vacation in Moncton
Moncton on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Moncton
Local time: 02:40
December 15, monday
0300
21°F
SE
10 mph
10 mph
0600
18°F
SE
12 mph
12 mph
0900
19°F
SE
12 mph
12 mph
1200
19°F
SE
14 mph
14 mph
1500
19°F
E
15 mph
15 mph
1800
19°F
E
15 mph
15 mph
2100
16°F
E
14 mph
14 mph
December 16, tuesday
0000
14°F
E
13 mph
13 mph
