Current sea water temperature:
+32.7°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 18 | 32.7°F | December 13 | 34.7°F |
| December 17 | 34.0°F | December 12 | 35.1°F |
| December 16 | 34.2°F | December 11 | 35.2°F |
| December 15 | 34.3°F | December 10 | 35.8°F |
| December 14 | 34.5°F | December 9 | 36.0°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: 05:26
December 18, thursday
0600
25°F
E
12 mph
12 mph
0900
25°F
E
8 mph
8 mph
1200
32°F
E
9 mph
9 mph
1500
36°F
NE
7 mph
7 mph
1800
34°F
N
8 mph
8 mph
2100
34°F
N
14 mph
14 mph
December 19, friday
0000
36°F
NE
16 mph
16 mph
0300
36°F
NE
16 mph
16 mph
