Current sea water temperature:
+46.9°F
| Minimum sea water temperature in October: | 56.7°F |
| Maximum sea water temperature in October: | 45.7°F |
| Average sea water temperature in October: | 51.3°F |
| more information | |
14 days
forecast
forecast
| St. John's |
monthly
weather
weather
| St. John's |
Sea water temperature for the last 10 days:
| October 25 | 46.9°F | October 20 | 48.4°F |
| October 24 | 46.2°F | October 19 | 48.6°F |
| October 23 | 47.1°F | October 18 | 48.7°F |
| October 22 | 45.7°F | October 17 | 49.3°F |
| October 21 | 48.2°F | October 16 | 49.8°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:
2026
2025
2024
The average sea water temperature in August of 2026 was 57.0°F. The highest and lowest sea temperatures during the month were 61.3°F and 53.2°F.
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 56.7°F. The highest and lowest sea temperatures during the month were 60.8°F and 53.1°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 51.1°F. The highest and lowest sea temperatures during the month were 55.9°F and 46.6°F.
current
weather
weather
| St. John's |
weather in
October
October
| 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: 21:35
October 26, monday
0000
45°F
NE
15 mph
15 mph
0300
45°F
E
18 mph
18 mph
0600
45°F
E
19 mph
19 mph
0900
48°F
E
18 mph
18 mph
1200
55°F
E
19 mph
19 mph
1500
55°F
NE
18 mph
18 mph
1800
48°F
NE
18 mph
18 mph
2100
45°F
E
18 mph
18 mph
