St. John's in July
Find out everything about the water temperature in St. John's in July. Average, minimum and maximum recorded temperatures as well as daily temperature in July for the last two years. Compare the current month's sea temperature data with other months of the year.
Water temperature in July
Minimum:
42.0 °F
Average:
52.0 °F
Maximum:
61.4 °F
Sea water temperature in St. John's in July
In the city of St. John's, the month of July is too cold for swimming. The minimum recorded temperature during this month was 42.0°F on July 2, 2018, with an average temperature being 52.0°F and a maximum temperature reaching 61.4°F on July 31, 2014.
| Date | 10 years average | 2024 | 2023 |
|---|---|---|---|
| Jul 1 | 47.4°F | 49.9°F | 44.2°F |
| Jul 2 | 47.9°F | 49.8°F | 45.2°F |
| Jul 3 | 48.1°F | 49.8°F | 45.0°F |
| Jul 4 | 48.6°F | 50.6°F | 44.8°F |
| Jul 5 | 49.2°F | 50.1°F | 47.0°F |
| Jul 6 | 49.6°F | 50.3°F | 46.5°F |
| Jul 7 | 49.6°F | 51.1°F | 47.9°F |
| Jul 8 | 49.4°F | 51.9°F | 47.4°F |
| Jul 9 | 49.8°F | 54.6°F | 47.4°F |
| Jul 10 | 50.3°F | 53.5°F | 50.3°F |
| Jul 11 | 50.6°F | 53.9°F | 50.9°F |
| Jul 12 | 50.6°F | 53.8°F | 51.8°F |
| Jul 13 | 51.2°F | 55.3°F | 52.3°F |
| Jul 14 | 50.7°F | 54.2°F | 49.6°F |
| Jul 15 | 50.9°F | 52.3°F | 49.9°F |
| Jul 16 | 51.6°F | 53.9°F | 50.2°F |
| Jul 17 | 52.1°F | 53.9°F | 50.6°F |
| Jul 18 | 52.4°F | 55.2°F | 51.2°F |
| Jul 19 | 52.8°F | 56.0°F | 52.7°F |
| Jul 20 | 52.9°F | 56.1°F | 54.8°F |
| Jul 21 | 53.3°F | 57.6°F | 54.8°F |
| Jul 22 | 53.5°F | 57.8°F | 54.9°F |
| Jul 23 | 54.1°F | 57.1°F | 57.6°F |
| Jul 24 | 54.3°F | 56.9°F | 57.5°F |
| Jul 25 | 54.9°F | 57.1°F | 58.1°F |
| Jul 26 | 55.1°F | 57.9°F | 60.1°F |
| Jul 27 | 55.3°F | 57.1°F | 59.9°F |
| Jul 28 | 55.8°F | 58.5°F | 58.4°F |
| Jul 29 | 56.0°F | 57.9°F | 57.8°F |
| Jul 30 | 56.2°F | 58.8°F | 58.4°F |
| Jul 31 | 56.7°F | 58.9°F | 58.8°F |
In an average year, St. John's offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in St. John's was recorded on August 28, 2022, reaching a 64.9°F. While the coldest temperature occurred on January 3, 2014, dipping to 32.0°F. The average readings by season are 34.6°F in Winter, 33.8°F in Spring, 51.1°F in Summer, and 49.9°F in Autumn.
The average temperature in July is slightly warmer than June's average of 42.5°F. And in August, the temperature is expected to rise further, potentially reaching an average of 58.9°F.