Measurements:
°C
°F
Moncton
56°F
S 9 mph
Feels like: 54°F
Precip: 57%
World Resorts Canada Moncton Weather

Moncton Sea Water Temperature

Current Sea Water Temperature:
+62.4°F
Maximum Sea Water Temperature in September: 68.6°F
Minimum Sea Water Temperature in September: 56.6°F
Average water temperature in September: 63.1°F

Sea Water Temperature for the Last 10 Days:

September 08 62.4°F September 03 63.4°F
September 07 63.4°F September 02 65.6°F
September 06 63.4°F September 01 67.0°F
September 05 63.0°F August 31 66.4°F
September 04 63.8°F August 30 65.2°F

When is the Warmest Sea for Moncton?

According to our data for the last three years for Moncton the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Moncton was 65.4°F. The maximum and minimum values were 62.0°F and 69.0°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Moncton was 63.8°F. The maximum and minimum values were 57.8°F and 70.0°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Moncton was 63.4°F. The maximum and minimum values were 60.8°F and 67.0°F respectively.

Best Time to Visit Moncton
The most sunny months:
September 12 days
October 12 days
August 12 days
The most warm months:
July 76.2 °F
August 75.8 °F
June 67.5 °F
Warmest sea temperature:
August 66.5 °F
July 63.3 °F
September 63.0 °F
The most cold months:
February 21.7 °F
January 21.9 °F
March 29.9 °F
The most rainy months:
August 3 days
June 3 days
December 2 days
The most windy months:
November 13 mph
December 12 mph
March 12 mph

Moncton on the Weather Map

24 Hours Weather Forecast
Moncton
Local time: 18:33
08 sep, tuesday
2100 52°F
S
6 mph
09 sep, wednesday
0000 48°F
E
4 mph
0300 44°F
E
5 mph
0600 40°F
E
4 mph
0900 48°F
E
3 mph
1200 60°F
E
2 mph
1500 66°F
NE
5 mph
1800 62°F
N
9 mph