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St. John's in June

Find out everything about the water temperature in St. John's in June. Average, minimum and maximum recorded temperatures as well as daily temperature in June for the last two years. Compare the current month's sea temperature data with other months of the year.
Water temperature in June
Minimum:

35.6 °F

Average:

42.5 °F

Maximum:

52.6 °F

Sea water temperature in St. John's in June

In the city of St. John's, the month of June is too cold for swimming. The minimum recorded temperature during this month was 35.6°F on June 6, 2018, with an average temperature being 42.5°F and a maximum temperature reaching 52.6°F on June 26, 2021.

Swing in the water of such temperature might lead to potential hypothermia within just a few minutes. Throughout the month of June, the sea temperature gradually gets warmer. Starting with an average temperature of 39.9°F at the beginning of the month, it steadily increases to around 45.7°F by the end.
Date 10 years average 2024 2023
Jun 1 39.1°F 39.6°F 38.5°F
Jun 2 39.2°F 39.9°F 38.1°F
Jun 3 39.5°F 42.0°F 38.4°F
Jun 4 39.5°F 41.6°F 38.4°F
Jun 5 39.9°F 41.7°F 39.6°F
Jun 6 40.3°F 43.6°F 38.9°F
Jun 7 40.1°F 42.6°F 39.0°F
Jun 8 40.1°F 40.9°F 38.9°F
Jun 9 40.4°F 43.0°F 40.0°F
Jun 10 40.7°F 42.5°F 40.3°F
Jun 11 40.6°F 42.5°F 38.6°F
Jun 12 41.1°F 43.8°F 38.9°F
Jun 13 41.0°F 43.6°F 39.1°F
Jun 14 41.6°F 44.2°F 40.9°F
Jun 15 41.6°F 45.6°F 41.6°F
Jun 16 42.2°F 47.7°F 40.3°F
Jun 17 42.4°F 47.2°F 40.6°F
Jun 18 42.5°F 47.3°F 40.9°F
Jun 19 43.0°F 47.3°F 42.8°F
Jun 20 43.6°F 50.1°F 42.8°F
Jun 21 44.3°F 50.8°F 43.8°F
Jun 22 44.4°F 47.8°F 44.1°F
Jun 23 44.8°F 49.1°F 43.3°F
Jun 24 45.3°F 49.7°F 42.7°F
Jun 25 45.5°F 49.5°F 44.0°F
Jun 26 46.0°F 49.3°F 43.4°F
Jun 27 46.2°F 50.8°F 43.2°F
Jun 28 46.4°F 49.7°F 43.0°F
Jun 29 47.0°F 50.6°F 43.9°F
Jun 30 47.3°F 50.5°F 45.2°F

Sea water temperature in St. John's by month

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 June is slightly warmer than May's average of 36.4°F. And in July, the temperature is expected to rise further, potentially reaching an average of 52.0°F.