Current Sea Water Temperature:
+41.8°F
| Maximum Sea Water Temperature in December: | 49.6°F |
| Minimum Sea Water Temperature in December: | 41.4°F |
| Average water temperature in December: | 45.8°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| December 26 | 41.8°F | December 21 | 43.0°F |
| December 25 | 42.2°F | December 20 | 43.6°F |
| December 24 | 42.6°F | December 19 | 42.0°F |
| December 23 | 41.8°F | December 18 | 43.8°F |
| December 22 | 42.8°F | December 17 | 44.4°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
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
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
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.
Canada Resorts:
NAME
F°
| Barrie |  |
+28 |
| Halifax |  |
+30 |
| Moncton | |
+26 |
| Montreal |  |
+12 |
| Niagara Falls | |
+26 |
| Ottawa | |
+16 |
| Quebec | |
+10 |
| Saint John |  |
+30 |
| St. John's |  |
+32 |
| Tofino | |
+44 |
| Toronto | |
+30 |
| Vancouver | |
+40 |
| Victoria | |
+46 |
| Winnipeg | |
+30 |
| Yellowknife |  |
-12 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Saint John
Local time: 12:41
26 dec, thursday
| 1500 |  |
34°F | S 6 mph |
| 1800 |  |
32°F | S 5 mph |
| 2100 | |
26°F | S 5 mph |
27 dec, friday
| 0000 | |
22°F | S 5 mph |
| 0300 |  |
18°F | S 4 mph |
| 0600 | |
16°F | S 4 mph |
| 0900 | |
24°F | S 4 mph |
| 1200 | |
32°F | SE 2 mph |