Measurements:
°C
°F
Saint John
34°F
SE 21 mph
Feels like: 24°F
Precip: 0%
World Resorts Canada Saint John Weather

Saint John Sea Water Temperature

Current Sea Water Temperature:
+48.2°F
Maximum Sea Water Temperature in November: 56.6°F
Minimum Sea Water Temperature in November: 47.2°F
Average water temperature in November: 51.3°F

Sea Water Temperature for the Last 10 Days:

November 24 48.2°F November 19 48.8°F
November 23 48.0°F November 18 49.2°F
November 22 48.6°F November 17 49.0°F
November 21 48.8°F November 16 49.2°F
November 20 48.2°F November 15 49.4°F

When is the Warmest Sea for Saint John?

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

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2024 2023 2022

The average sea surface temperature in August 2024 for Saint John was 60.3°F. The maximum and minimum values were 57.0°F and 62.8°F respectively.

Sea Water Temperature in September

Select Year: 2024 2023 2022

The average sea surface temperature in September 2024 for Saint John was 59.5°F. The maximum and minimum values were 56.8°F and 62.0°F respectively.

Sea Water Temperature in July

Select Year: 2024 2023 2022

The average sea surface temperature in July 2024 for Saint John was 59.6°F. The maximum and minimum values were 54.4°F and 66.6°F respectively.

Best Time to Visit Saint John
The most sunny months:
September 10 days
August 9 days
October 9 days
The most warm months:
July 76.3 °F
August 75.0 °F
June 70.6 °F
Warmest sea temperature:
August 60.6 °F
September 59.3 °F
July 58.0 °F
The most cold months:
January 22.6 °F
February 23.2 °F
December 31.3 °F
The most rainy months:
July 4 days
March 3 days
October 3 days
The most windy months:
March 9 mph
December 8 mph
February 8 mph

Saint John on the Weather Map

Canada Resorts:
NAME
Halifax +40
Moncton +42
Montreal +40
Ottawa +36
Prince Edward Island +46
Quebec +36
Saint John +34
St. John's +44
Sydney +46
Thunder Bay +24
Toronto +40
Vancouver +42
Victoria +46
Winnipeg +20
Yellowknife -26
24 Hours Weather Forecast
Saint John
Local time: 04:23
24 nov, sunday
0600 34°F
SE
18 mph
0900 36°F
E
16 mph
1200 38°F
E
15 mph
1500 40°F
E
16 mph
1800 40°F
E
16 mph
2100 38°F
E
16 mph
25 nov, monday
0000 36°F
E
16 mph
0300 34°F
SE
17 mph