Sea Temperature in St. John's in July

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

6°C

MINIMUN

10.5°C

AVERAGE

15°C

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	10°C	8°C	8°C	8.5°C
Jul 2	9°C	8°C	8°C	8.3°C
Jul 3	9°C	8°C	8°C	8.3°C
Jul 4	9°C	8°C	8°C	8.5°C
Jul 5	9°C	9°C	9°C	9.0°C
Jul 6	10°C	9°C	9°C	9.3°C
Jul 7	10°C	9°C	9°C	9.5°C
Jul 8	10°C	9°C	9°C	9.8°C
Jul 9	10°C	10°C	9°C	10.0°C
Jul 10	10°C	10°C	9°C	10.3°C
Jul 11	10°C	10°C	9°C	10.3°C
Jul 12	10°C	10°C	10°C	10.3°C
Jul 13	10°C	11°C	10°C	10.8°C
Jul 14	10°C	11°C	11°C	11.0°C
Jul 15	10°C	11°C	11°C	11.0°C
Jul 16	10°C	12°C	11°C	11.3°C
Jul 17	10°C	12°C	13°C	11.8°C
Jul 18	11°C	12°C	13°C	12.0°C
Jul 19	12°C	12°C	13°C	12.3°C
Jul 20	11°C	13°C	13°C	12.3°C
Jul 21	12°C	13°C	15°C	13.0°C
Jul 22	12°C	13°C	15°C	13.3°C
Jul 23	12°C	13°C	15°C	13.3°C
Jul 24	12°C	14°C	13°C	13.0°C
Jul 25	12°C	14°C	13°C	12.8°C
Jul 26	12°C	14°C	13°C	12.8°C
Jul 27	12°C	14°C	13°C	12.8°C
Jul 28	13°C	15°C	14°C	13.5°C
Jul 29	13°C	15°C	14°C	13.8°C
Jul 30	13°C	15°C	14°C	13.8°C

St. John's Climate and Swimming Opportunities in July

18°C

Average Day Air Temperature

11°C

Average Night Air Temperature

72 mm

Precipitation Amount per Month

16 days

Number of Rainy Days

16 hrs

Daylight
per Day

5 hrs

Sunshine
per Day

16 km/h

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.