San Juan in June
Find out everything about the water temperature in San Juan 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:
55.2 °F
Average:
60.1 °F
Maximum:
66.5 °F
Sea water temperature in San Juan in June
In the city of San Juan, the month of June is too cold for swimming. The minimum recorded temperature during this month was 55.2°F on June 9, 2022, with an average temperature being 60.1°F and a maximum temperature reaching 66.5°F on June 12, 2023.
| Date | 10 years average | 2025 | 2024 |
|---|---|---|---|
| Jun 1 | 60.6°F | 59.0°F | 58.6°F |
| Jun 2 | 60.7°F | 59.4°F | 58.1°F |
| Jun 3 | 60.7°F | 58.9°F | 57.1°F |
| Jun 4 | 60.5°F | 59.4°F | 57.6°F |
| Jun 5 | 60.7°F | 59.5°F | 58.1°F |
| Jun 6 | 60.5°F | 60.0°F | 57.7°F |
| Jun 7 | 60.5°F | 60.7°F | 58.2°F |
| Jun 8 | 60.6°F | 60.0°F | 58.5°F |
| Jun 9 | 60.2°F | 59.9°F | 58.7°F |
| Jun 10 | 60.3°F | 60.0°F | 58.9°F |
| Jun 11 | 60.2°F | 60.2°F | 58.1°F |
| Jun 12 | 60.0°F | 57.8°F | 58.8°F |
| Jun 13 | 60.0°F | 58.0°F | 57.8°F |
| Jun 14 | 60.1°F | 58.1°F | 58.2°F |
| Jun 15 | 60.4°F | 57.6°F | 59.3°F |
| Jun 16 | 60.4°F | 58.0°F | 59.2°F |
| Jun 17 | 59.9°F | 58.7°F | 56.8°F |
| Jun 18 | 60.0°F | 60.6°F | 56.7°F |
| Jun 19 | 60.0°F | 60.6°F | 57.5°F |
| Jun 20 | 59.9°F | 60.5°F | 58.2°F |
| Jun 21 | 59.8°F | 60.7°F | 57.8°F |
| Jun 22 | 59.6°F | 60.6°F | 56.9°F |
| Jun 23 | 59.8°F | 60.8°F | 56.8°F |
| Jun 24 | 59.8°F | 60.2°F | 57.6°F |
| Jun 25 | 59.7°F | 60.2°F | 57.1°F |
| Jun 26 | 59.7°F | 60.2°F | 57.5°F |
| Jun 27 | 59.7°F | 60.4°F | 58.7°F |
| Jun 28 | 59.8°F | 60.2°F | 58.2°F |
| Jun 29 | 59.5°F | 60.1°F | 58.5°F |
| Jun 30 | 59.4°F | 60.0°F | 57.9°F |
In an average year, San Juan offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in San Juan was recorded on February 10, 2023, reaching a 72.2°F. While the coldest temperature occurred on October 19, 2021, dipping to 53.4°F. The average readings by season are 65.1°F in Winter, 63.3°F in Spring, 59.2°F in Summer, and 58.6°F in Autumn.
June's average temperature is a slight drop from May's average of 61.2°F. In July, the temperature is expected to decrease further, potentially averaging around 59.2°F.