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Sea Temperature in St. John's in October
Complete information on the sea temperature range in the Atlantic Ocean in St. John's in October. Historical daily data. Climate details for October. Tips on swimming conditions and beach relaxation in St. John's. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.
Water Temperature Range in St. John's in October
37°F
MINIMUN
47°F
AVERAGE
57°F
MAXIMUM
Historical Data of Water Temperature in October in St. John's
Water Temperature Chart for Atlantic Ocean in St. John's in October
Sea Temperature Table in St. John's in October Over the Past Years
Day | 2024 | 2023 | 2022 | Average |
---|---|---|---|---|
Oct 1 | 54°C | 50°C | 52°C | 52°C |
Oct 2 | 54°C | 50°C | 52°C | 52°C |
Oct 3 | 55°C | 50°C | 52°C | 53°C |
Oct 4 | 54°C | 50°C | 48°C | 51°C |
Oct 5 | 54°C | 48°C | 48°C | 51°C |
Oct 6 | 52°C | 48°C | 48°C | 51°C |
Oct 7 | 52°C | 48°C | 48°C | 51°C |
Oct 8 | 52°C | 48°C | 48°C | 50°C |
Oct 9 | 52°C | 46°C | 48°C | 50°C |
Oct 10 | 52°C | 46°C | 48°C | 50°C |
Oct 11 | 52°C | 46°C | 48°C | 50°C |
Oct 12 | 50°C | 46°C | 48°C | 50°C |
Oct 13 | 50°C | 45°C | 46°C | 49°C |
Oct 14 | 50°C | 45°C | 46°C | 49°C |
Oct 15 | 50°C | 45°C | 46°C | 49°C |
Oct 16 | 50°C | 45°C | 48°C | 49°C |
Oct 17 | 48°C | 43°C | 48°C | 48°C |
Oct 18 | 48°C | 43°C | 46°C | 48°C |
Oct 19 | 48°C | 43°C | 46°C | 48°C |
Oct 20 | 48°C | 43°C | 46°C | 48°C |
Oct 21 | 48°C | 43°C | 46°C | 47°C |
Oct 22 | 48°C | 41°C | 46°C | 47°C |
Oct 23 | 48°C | 41°C | 45°C | 46°C |
Oct 24 | 48°C | 41°C | 45°C | 46°C |
Oct 25 | 48°C | 41°C | 45°C | 46°C |
Oct 26 | 48°C | 39°C | 45°C | 46°C |
Oct 27 | 48°C | 39°C | 45°C | 46°C |
Oct 28 | 46°C | 39°C | 45°C | 45°C |
Oct 29 | 46°C | 39°C | 45°C | 46°C |
Oct 30 | 46°C | 37°C | 45°C | 45°C |



St. John's Climate and Swimming Opportunities in October
55°F
Average Day Air Temperature
45°F
Average Night Air Temperature
4 in
Precipitation Amount per Month
18 days
Number of Rainy Days
10 hrs
Daylight
per Day
3 hrs
Sunshine
per Day
13 mph
Average Wind Speed
90%
Average
humidity
St. John's lies within the Newfoundland And Labrador in Canada. The average daytime temperature in St. John's in October is 13°C (56°F), while the nighttime average is 7°C (45°F). There are typically 18 rainy days during the month, with a total precipitation of 99 mm (3.9 inches). The daylight duration in October in St. John's is 10 hours, with an average of 3 hours of sunshine per day. The average wind speed in October is 21 km/h (13 mph), and the humidity level is around 90%.
The water temperature in St. John's in October ranges from 7°C to 11°C (45°F to 52°F). At the beginning of the month, the average temperature is around 11°C (52°F), shifting to 9°C (48°F) by mid-October and reaching 8°C (46°F) in the last ten days. Overall, the average sea temperature in St. John's for October is 9°C (48°F). The water is frigid, but with warmer air, it might be tolerable for a quick swim. Wetsuits are recommended.
Sea Temperature in October in Nearby Cities
Frequently Asked Questions About Water Temperatures in October in St. John's
What is the sea temperature in St. John's in October?
The water temperature in the Atlantic Ocean in St. John's in October ranges from 7°C to 11°C (45°F to 52°F).
Is it possible to swim in the Atlantic Ocean in St. John's in October?
The average sea temperature in St. John's in October is 9°C (48°F), and the air temperature is 13°C (56°F), so the water is frigid, but with warmer air, it might be tolerable for a quick swim. Wetsuits are recommended.