Measurements:
°C
°F
Moncton
68°F
NE 1 mph
Feels like: 68°F
Precip: 5%
World Resorts Canada Moncton Weather

Moncton Sea Water Temperature

Current Sea Water Temperature:
+51.8°F
Maximum Sea Water Temperature in June: 63.2°F
Minimum Sea Water Temperature in June: 43.8°F
Average water temperature in June: 54.1°F

Sea Water Temperature for the Last 10 Days:

June 17 51.8°F June 12 53.6°F
June 16 51.6°F June 11 50.2°F
June 15 52.8°F June 10 47.4°F
June 14 54.6°F June 09 47.6°F
June 13 55.8°F June 08 50.4°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: 2025 2024 2023

The average sea surface temperature in August 2025 for Moncton was 65.6°F. The maximum and minimum values were 61.2°F and 69.4°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Moncton was 62.5°F. The maximum and minimum values were 58.6°F and 67.2°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:
October 12 days
September 12 days
August 12 days
The most warm months:
July 75.4 °F
August 74.9 °F
June 67.0 °F
Warmest sea temperature:
August 66.7 °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

Canada Resorts:
NAME
Halifax +66
Kingston +62
Montreal +68
Ottawa +64
Prince Edward Island +56
Quebec +66
Saint John +60
Sydney +60
Thunder Bay +56
Tofino +56
Toronto +64
Vancouver +58
Victoria +54
Winnipeg +64
Yellowknife +54
24 Hours Weather Forecast
Moncton
Local time: 10:01
17 jun, wednesday
1200 78°F
NE
2 mph
1500 80°F
N
2 mph
1800 74°F
N
6 mph
2100 64°F
NE
5 mph
18 jun, thursday
0000 60°F
N
5 mph
0300 56°F
NE
5 mph
0600 56°F
NE
4 mph
0900 66°F
N
5 mph