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Sea Temperature in St. John's in July
© Les Dawe
Complete information on the sea temperature range in the Atlantic Ocean in St. John's in July. Historical daily data. Climate details for July. 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 July
43°F
MINIMUN
51°F
AVERAGE
59°F
MAXIMUM
Historical Data of Water Temperature in July in St. John's
Water Temperature Chart for Atlantic Ocean in St. John's in July
Sea Temperature Table in St. John's in July Over the Past Years
| Day | 2024 | 2023 | 2022 | Average |
|---|---|---|---|---|
| Jul 1 | 50°C | 46°C | 46°C | 48°C |
| Jul 2 | 48°C | 46°C | 46°C | 47°C |
| Jul 3 | 48°C | 46°C | 46°C | 47°C |
| Jul 4 | 48°C | 46°C | 46°C | 48°C |
| Jul 5 | 48°C | 48°C | 48°C | 49°C |
| Jul 6 | 50°C | 48°C | 48°C | 49°C |
| Jul 7 | 50°C | 48°C | 48°C | 50°C |
| Jul 8 | 50°C | 48°C | 48°C | 50°C |
| Jul 9 | 50°C | 50°C | 48°C | 50°C |
| Jul 10 | 50°C | 50°C | 48°C | 51°C |
| Jul 11 | 50°C | 50°C | 48°C | 51°C |
| Jul 12 | 50°C | 50°C | 50°C | 51°C |
| Jul 13 | 50°C | 52°C | 50°C | 51°C |
| Jul 14 | 50°C | 52°C | 52°C | 52°C |
| Jul 15 | 50°C | 52°C | 52°C | 52°C |
| Jul 16 | 50°C | 54°C | 52°C | 52°C |
| Jul 17 | 50°C | 54°C | 55°C | 53°C |
| Jul 18 | 52°C | 54°C | 55°C | 54°C |
| Jul 19 | 54°C | 54°C | 55°C | 54°C |
| Jul 20 | 52°C | 55°C | 55°C | 54°C |
| Jul 21 | 54°C | 55°C | 59°C | 55°C |
| Jul 22 | 54°C | 55°C | 59°C | 56°C |
| Jul 23 | 54°C | 55°C | 59°C | 56°C |
| Jul 24 | 54°C | 57°C | 55°C | 55°C |
| Jul 25 | 54°C | 57°C | 55°C | 55°C |
| Jul 26 | 54°C | 57°C | 55°C | 55°C |
| Jul 27 | 54°C | 57°C | 55°C | 55°C |
| Jul 28 | 55°C | 59°C | 57°C | 56°C |
| Jul 29 | 55°C | 59°C | 57°C | 57°C |
| Jul 30 | 55°C | 59°C | 57°C | 57°C |
St. John's Climate and Swimming Opportunities in July
64°F
Average Day Air Temperature
52°F
Average Night Air Temperature
3 in
Precipitation Amount per Month
16 days
Number of Rainy Days
16 hrs
Daylight
per Day
5 hrs
Sunshine
per Day
10 mph
Average Wind Speed
85%
Average
humidity
St. John's lies within the Newfoundland And Labrador in Canada. The average daytime temperature in St. John's in July is 18°C (65°F), while the nighttime average is 11°C (53°F). There are typically 16 rainy days during the month, with a total precipitation of 72 mm (2.8 inches). The daylight duration in July in St. John's is 16 hours, with an average of 5 hours of sunshine per day. The average wind speed in July is 16 km/h (10 mph), and the humidity level is around 85%.
The water temperature in St. John's in July ranges from 8°C to 13°C (46°F to 55°F). At the beginning of the month, the average temperature is around 9°C (48°F), shifting to 11°C (52°F) by mid-July and reaching 13°C (55°F) in the last ten days. Overall, the average sea temperature in St. John's for July is 11°C (52°F). Ideal conditions for a refreshing swim, though some may still find it a bit cool.
Sea Temperature in July in Nearby Cities
Frequently Asked Questions About Water Temperatures in July in St. John's
What is the sea temperature in St. John's in July?
The water temperature in the Atlantic Ocean in St. John's in July ranges from 8°C to 13°C (46°F to 55°F).
Is it possible to swim in the Atlantic Ocean in St. John's in July?
The average sea temperature in St. John's in July is 11°C (52°F), and the air temperature is 18°C (65°F), so ideal conditions for a refreshing swim, though some may still find it a bit cool.