Current sea water temperature:
+31.8°F
| Minimum sea water temperature in April: | 36.7°F |
| Maximum sea water temperature in April: | 31.3°F |
| Average sea water temperature in April: | 33.5°F |
| more information | |
14 days
forecast
forecast
| St. John's |
monthly
weather
weather
| St. John's |
Sea water temperature for the last 10 days:
| April 6 | 31.8°F | April 1 | 32.0°F |
| April 5 | 31.5°F | March 31 | 32.0°F |
| April 4 | 32.0°F | March 30 | 32.0°F |
| April 3 | 32.0°F | March 29 | 32.4°F |
| April 2 | 32.0°F | March 28 | 32.0°F |
Monthly sea water temperature, °F
When is the warmest sea in St. John's?
Based on the data about daily sea water temperature for the last three years the warmest sea in St. John's was noticed in August, September and July.
Monthly Sea Temperatures in St. John's, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 57.9°F. The highest and lowest sea temperatures during the month were 60.6°F and 55.6°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 56.1°F. The highest and lowest sea temperatures during the month were 58.5°F and 54.0°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 53.0°F. The highest and lowest sea temperatures during the month were 57.7°F and 47.3°F.
current
weather
weather
| St. John's |
weather in
April
April
| St. John's |
Best time for vacation in St. John's
St. John's on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
St. John's
Local time: 20:57
April 06, monday
2100
37°F
NE
17 mph
17 mph
April 07, tuesday
0000
34°F
NE
19 mph
19 mph
0300
32°F
E
21 mph
21 mph
0600
30°F
E
24 mph
24 mph
0900
32°F
E
24 mph
24 mph
1200
36°F
E
22 mph
22 mph
1500
34°F
E
23 mph
23 mph
1800
30°F
E
22 mph
22 mph
