Measurements:
°C
°F
Moncton
68°F
W 3 mph
Feels like: 68°F
Precip: 12%
World Resorts Canada Moncton Weather

Moncton Sea Water Temperature

Current Sea Water Temperature:
+64.0°F
Maximum Sea Water Temperature in July: 70.2°F
Minimum Sea Water Temperature in July: 54.6°F
Average water temperature in July: 63.3°F

Sea Water Temperature for the Last 10 Days:

July 30 64.0°F July 25 64.8°F
July 29 65.6°F July 24 64.4°F
July 28 66.0°F July 23 63.2°F
July 27 63.6°F July 22 62.6°F
July 26 64.2°F July 21 62.4°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: 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 76.4 °F
August 74.9 °F
June 67.5 °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
Barrie +58
Halifax +64
Kingston +66
Montreal +66
Ottawa +66
Prince Edward Island +68
Quebec +62
Saint John +72
St. John's +56
Sydney +66
Toronto +62
Vancouver +58
Victoria +56
Winnipeg +72
Yellowknife +56
24 Hours Weather Forecast
Moncton
Local time: 07:46
30 jul, thursday
0900 68°F
W
3 mph
1200 74°F
W
6 mph
1500 62°F
SW
11 mph
1800 60°F
SW
11 mph
2100 60°F
SW
10 mph
31 jul, friday
0000 62°F
S
7 mph
0300 62°F
S
6 mph
0600 62°F
SE
6 mph