San Juan in March
Find out everything about the water temperature in San Juan in March. Average, minimum and maximum recorded temperatures as well as daily temperature in March for the last two years. Compare the current month's sea temperature data with other months of the year.
Water temperature in March
Minimum:
78.6 °F
Average:
79.6 °F
Maximum:
81.8 °F
Sea water temperature in San Juan in March
In the city of San Juan, the month of March is a great time for swimming. The minimum recorded temperature during this month was 78.6°F on March 4, 2021, with an average temperature being 79.6°F and a maximum temperature reaching 81.8°F on March 28, 2024.
| Date | 10 years average | 2024 | 2023 |
|---|---|---|---|
| Mar 1 | 79.6°F | 80.4°F | 79.5°F |
| Mar 2 | 79.6°F | 80.2°F | 79.4°F |
| Mar 3 | 79.5°F | 79.9°F | 79.4°F |
| Mar 4 | 79.5°F | 79.6°F | 79.5°F |
| Mar 5 | 79.5°F | 79.7°F | 79.5°F |
| Mar 6 | 79.5°F | 79.8°F | 79.4°F |
| Mar 7 | 79.5°F | 79.9°F | 79.5°F |
| Mar 8 | 79.5°F | 79.9°F | 79.3°F |
| Mar 9 | 79.5°F | 80.0°F | 79.4°F |
| Mar 10 | 79.6°F | 80.4°F | 79.5°F |
| Mar 11 | 79.6°F | 80.5°F | 79.8°F |
| Mar 12 | 79.5°F | 80.7°F | 79.6°F |
| Mar 13 | 79.5°F | 80.7°F | 79.8°F |
| Mar 14 | 79.5°F | 80.5°F | 79.8°F |
| Mar 15 | 79.6°F | 80.5°F | 79.6°F |
| Mar 16 | 79.6°F | 80.3°F | 79.5°F |
| Mar 17 | 79.6°F | 80.0°F | 79.5°F |
| Mar 18 | 79.6°F | 80.3°F | 79.4°F |
| Mar 19 | 79.6°F | 80.3°F | 79.0°F |
| Mar 20 | 79.6°F | 80.5°F | 79.2°F |
| Mar 21 | 79.6°F | 80.9°F | 79.1°F |
| Mar 22 | 79.6°F | 81.4°F | 79.4°F |
| Mar 23 | 79.6°F | 81.4°F | 79.3°F |
| Mar 24 | 79.6°F | 81.2°F | 79.4°F |
| Mar 25 | 79.6°F | 80.9°F | 79.4°F |
| Mar 26 | 79.7°F | 81.1°F | 79.5°F |
| Mar 27 | 79.8°F | 81.5°F | 79.5°F |
| Mar 28 | 79.9°F | 81.8°F | 79.4°F |
| Mar 29 | 79.9°F | 81.5°F | 79.3°F |
| Mar 30 | 79.8°F | 81.3°F | 79.3°F |
| Mar 31 | 79.9°F | 81.5°F | 79.2°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 80.9°F in Winter, 80.3°F in Spring, 83.2°F in Summer, and 84.6°F in Autumn.
March's temperature is a dip compared to warmer February at 79.8°F and April at 80.2°F.