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Key West in June

Find out everything about the water temperature in Key West 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:

80.3 °F

Average:

84.8 °F

Maximum:

89.0 °F

Sea water temperature in Key West in June

In the city of Key West, the month of June is a great time for swimming. The minimum recorded temperature during this month was 80.3°F on June 2, 2018, with an average temperature being 84.8°F and a maximum temperature reaching 89.0°F on June 1, 2024.

The watter temperature range during this month provides a satisfying and enjoyable experience in the water. In June, the sea temperature remains relatively stable. The average temperature stays close to 84.8°F throughout the month, with minimal changes.
Date 10 years average 2024 2023
Jun 1 83.9°F 89.0°F 84.8°F
Jun 2 83.9°F 87.2°F 85.2°F
Jun 3 83.9°F 86.5°F 86.1°F
Jun 4 84.0°F 86.0°F 86.1°F
Jun 5 83.8°F 85.7°F 86.4°F
Jun 6 84.0°F 86.8°F 85.3°F
Jun 7 84.1°F 87.1°F 85.3°F
Jun 8 84.2°F 87.0°F 85.4°F
Jun 9 84.2°F 86.7°F 85.7°F
Jun 10 84.5°F 87.9°F 85.2°F
Jun 11 84.5°F 87.0°F 86.7°F
Jun 12 84.5°F 86.7°F 86.2°F
Jun 13 84.6°F 86.3°F 87.6°F
Jun 14 84.6°F 85.0°F 87.6°F
Jun 15 84.9°F 85.2°F 88.2°F
Jun 16 84.9°F 84.7°F 88.3°F
Jun 17 84.8°F 84.6°F 87.7°F
Jun 18 84.7°F 84.3°F 87.7°F
Jun 19 84.7°F 84.0°F 87.7°F
Jun 20 84.7°F 84.2°F 87.4°F
Jun 21 85.0°F 84.3°F 87.8°F
Jun 22 85.1°F 84.6°F 87.6°F
Jun 23 85.2°F 84.1°F 87.4°F
Jun 24 85.4°F 84.6°F 88.1°F
Jun 25 85.9°F 85.7°F 88.4°F
Jun 26 85.9°F 85.8°F 87.2°F
Jun 27 86.0°F 86.7°F 86.9°F
Jun 28 85.9°F 86.2°F 86.6°F
Jun 29 86.0°F 86.5°F 87.0°F
Jun 30 86.0°F 85.6°F 87.7°F

Sea water temperature in Key West by month

In Key West, the water temperature is comfortable for swimming all year round. The warmest water in Key West was recorded on August 12, 2023, reaching a 91.4°F. While the coldest temperature occurred on February 4, 2021, dipping to 67.5°F. The average readings by season are 74.4°F in Winter, 79.0°F in Spring, 86.3°F in Summer, and 82.9°F in Autumn. The average temperature in June is slightly warmer than May's average of 82.0°F. And in July, the temperature is expected to rise further, potentially reaching an average of 86.9°F.