Current Sea Water Temperature:
+34.2°F
| Maximum Sea Water Temperature in May: | 42.0°F |
| Minimum Sea Water Temperature in May: | 30.2°F |
| Average water temperature in May: | 35.5°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| May 10 | 34.2°F | May 05 | 32.6°F |
| May 09 | 34.2°F | May 04 | 32.6°F |
| May 08 | 34.8°F | May 03 | 33.2°F |
| May 07 | 32.4°F | May 02 | 33.4°F |
| May 06 | 33.4°F | May 01 | 33.4°F |
When is the Warmest Sea for St. John's?
According to our data for the last three years for St. John's 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 2023 for St. John's was 58.0°F. The maximum and minimum values were 55.6°F and 59.2°F respectively.
Sea Water Temperature in September
The average sea surface temperature in September 2023 for St. John's was 56.9°F. The maximum and minimum values were 52.0°F and 61.6°F respectively.
Sea Water Temperature in July
The average sea surface temperature in July 2023 for St. John's was 52.4°F. The maximum and minimum values were 43.6°F and 61.2°F respectively.
Canada Resorts:
NAME
F°
| Charlottetown |  |
+34 |
| Halifax |  |
+36 |
| Moncton | |
+36 |
| Montreal | |
+46 |
| Nanaimo | |
+58 |
| Ottawa | |
+40 |
| Quebec | |
+40 |
| Rocky Harbour |  |
+34 |
| St. John's |  |
+32 |
| Sydney | |
+38 |
| Toronto | |
+48 |
| Vancouver | |
+56 |
| Victoria | |
+54 |
| Winnipeg | |
+50 |
| Yellowknife | |
+36 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
St. John's
Local time: 06:03
11 may, saturday
| 0900 |  |
36°F | S 11 mph |
| 1200 |  |
38°F | SW 11 mph |
| 1500 | |
38°F | SW 11 mph |
| 1800 | |
36°F | SW 11 mph |
| 2100 |  |
34°F | W 10 mph |
12 may, sunday
| 0000 | |
34°F | W 11 mph |
| 0300 |  |
34°F | W 12 mph |
| 0600 |  |
36°F | W 17 mph |