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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:

81.5 °F

Average:

84.8 °F

Maximum:

86.2 °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 81.5°F on July 10, 2015, with an average temperature being 84.8°F and a maximum temperature reaching 86.2°F on July 14, 2017.

The watter temperature range during this month provides a satisfying and enjoyable experience in the water. In July, 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
Jul 1 85.1°F 85.1°F 85.4°F
Jul 2 85.0°F 85.0°F 85.8°F
Jul 3 85.1°F 85.8°F 85.8°F
Jul 4 85.0°F 85.7°F 85.7°F
Jul 5 84.9°F 85.7°F 85.6°F
Jul 6 84.7°F 85.4°F 85.6°F
Jul 7 84.4°F 85.5°F 85.3°F
Jul 8 84.5°F 85.6°F 85.4°F
Jul 9 84.5°F 85.5°F 85.3°F
Jul 10 84.5°F 85.4°F 85.1°F
Jul 11 84.7°F 85.2°F 85.6°F
Jul 12 84.8°F 85.0°F 85.4°F
Jul 13 85.1°F 85.1°F 85.5°F
Jul 14 85.0°F 85.0°F 85.4°F
Jul 15 85.0°F 85.0°F 85.4°F
Jul 16 84.9°F 85.0°F 85.0°F
Jul 17 85.0°F 85.0°F 85.3°F
Jul 18 84.9°F 84.9°F 85.1°F
Jul 19 84.9°F 84.8°F 85.0°F
Jul 20 84.7°F 85.0°F 84.7°F
Jul 21 84.7°F 85.1°F 84.7°F
Jul 22 84.6°F 85.0°F 84.6°F
Jul 23 84.6°F 85.1°F 84.6°F
Jul 24 84.8°F 85.0°F 84.5°F
Jul 25 84.8°F 84.9°F 84.5°F
Jul 26 84.8°F 84.9°F 84.5°F
Jul 27 85.0°F 85.0°F 84.6°F
Jul 28 84.8°F 84.9°F 84.5°F
Jul 29 84.8°F 84.9°F 84.6°F
Jul 30 84.8°F 85.0°F 84.7°F
Jul 31 84.7°F 85.1°F 84.7°F

Sea water temperature in San Juan by month

In San Juan, the water temperature is comfortable for swimming all year round. The warmest water in San Juan was recorded on September 5, 2017, reaching a 86.7°F. While the coldest temperature occurred on January 18, 2015, dipping to 78.8°F. The average readings by season are 81.8°F in Winter, 82.9°F in Spring, 84.8°F in Summer, and 84.4°F in Autumn. July's average temperature is a slight drop from June's average of 85.0°F. In August, the temperature is expected to decrease further, potentially averaging around 84.7°F.

Popular neighboring cities and resorts

City Water temperature* Distance**
San Francisco 84.2°F 14mi
San Jose 83.4°F 27mi
San Francisco 84.6°F 38mi
San Jose 85.1°F 51mi
San Francisco 84.6°F 55mi

* current water temperature in this city

** straight line distance from San Juan