San Juan in July
Find out everything about the water temperature in San Juan 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:
81.4 °F
Average:
83.2 °F
Maximum:
85.3 °F
Sea water temperature in San Juan in July
In the city of San Juan, the month of July is a great time for swimming. The minimum recorded temperature during this month was 81.4°F on July 4, 2015, with an average temperature being 83.2°F and a maximum temperature reaching 85.3°F on July 31, 2024.
| Date | 10 years average | 2024 | 2023 |
|---|---|---|---|
| Jul 1 | 83.1°F | 85.1°F | 84.6°F |
| Jul 2 | 83.1°F | 85.0°F | 84.7°F |
| Jul 3 | 82.9°F | 83.9°F | 84.8°F |
| Jul 4 | 82.8°F | 83.6°F | 84.5°F |
| Jul 5 | 82.8°F | 83.4°F | 83.7°F |
| Jul 6 | 82.9°F | 84.1°F | 83.8°F |
| Jul 7 | 82.9°F | 84.5°F | 84.1°F |
| Jul 8 | 83.0°F | 84.8°F | 84.3°F |
| Jul 9 | 83.1°F | 84.8°F | 84.3°F |
| Jul 10 | 83.1°F | 84.5°F | 84.5°F |
| Jul 11 | 83.1°F | 84.6°F | 84.3°F |
| Jul 12 | 83.1°F | 85.0°F | 84.8°F |
| Jul 13 | 83.2°F | 84.9°F | 84.5°F |
| Jul 14 | 83.3°F | 84.6°F | 84.5°F |
| Jul 15 | 83.2°F | 85.0°F | 84.1°F |
| Jul 16 | 83.2°F | 85.0°F | 84.5°F |
| Jul 17 | 83.3°F | 84.9°F | 84.7°F |
| Jul 18 | 83.3°F | 84.9°F | 84.2°F |
| Jul 19 | 83.4°F | 85.0°F | 84.1°F |
| Jul 20 | 83.2°F | 84.1°F | 84.0°F |
| Jul 21 | 83.2°F | 83.9°F | 83.8°F |
| Jul 22 | 83.2°F | 84.2°F | 84.3°F |
| Jul 23 | 83.3°F | 84.0°F | 84.5°F |
| Jul 24 | 83.3°F | 83.8°F | 84.5°F |
| Jul 25 | 83.3°F | 84.2°F | 84.4°F |
| Jul 26 | 83.2°F | 84.1°F | 84.3°F |
| Jul 27 | 83.2°F | 84.4°F | 84.0°F |
| Jul 28 | 83.3°F | 84.5°F | 83.7°F |
| Jul 29 | 83.5°F | 84.7°F | 84.4°F |
| Jul 30 | 83.6°F | 85.1°F | 84.6°F |
| Jul 31 | 83.5°F | 85.3°F | 84.9°F |
In San Juan, the water temperature is comfortable for swimming all year round.
The warmest water in San Juan was recorded on September 24, 2024, reaching a 87.7°F. While the coldest temperature occurred on February 16, 2018, dipping to 78.1°F. The average readings by season are 80.8°F in Winter, 80.3°F in Spring, 83.2°F in Summer, and 84.6°F in Autumn.
The average temperature in July is slightly warmer than June's average of 82.6°F. And in August, the temperature is expected to rise further, potentially reaching an average of 84.0°F.