Water temperature in San Juan
85.3
°F
August 30, 02:59
Trend:
decreasingYesterday:
85.4°FTomorrow:
85.2°F
Sunrise:
Sunset:
Day Length:
12 h. 30 min.San Juan in September
Minimum:
80.6°FAverage:
82.0°FMaximum:
83.2°FSea water temperature in San Juan today
As of now, in San Juan, the water temperature is 85.3°F. Swimming in water of this temperature is considered highly warm and would be enjoyable for everyone. At this temperature, you can comfortably engage in water-based activities for extended periods without experiencing discomfort. Today's reading is about the same as the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to stay about the same.Recent sea temperature and forecast
The water temperature today is above average for the last two weeks, showing a small increase in temperature. It also falls within the range of the average temperature recorded for this date, suggesting a consistent weather trend. The maximum temperature recorded for this date was 86.7°F on 2024, while the historical minimum was 84.3°F on 2018.
Daily water temperature in San Juan
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Aug 16 | 85.2°F | 87.1°F | 86.5°F |
| Aug 17 | 85.2°F | 87.0°F | 86.4°F |
| Aug 18 | 85.1°F | 86.6°F | 86.3°F |
| Aug 19 | 85.0°F | 86.3°F | 86.1°F |
| Aug 20 | 84.8°F | 86.1°F | 85.9°F |
| Aug 21 | 84.9°F | 85.9°F | 85.9°F |
| Aug 22 | 84.8°F | 86.6°F | 85.8°F |
| Aug 23 | 84.9°F | 87.2°F | 85.6°F |
| Aug 24 | 84.8°F | 87.1°F | 85.4°F |
| Aug 25 | 84.8°F | 86.8°F | 85.4°F |
| Aug 26 | 84.8°F | 86.5°F | 85.3°F |
| Aug 27 | 84.7°F | 86.8°F | 85.2°F |
| Aug 28 | 84.6°F | 86.8°F | 85.1°F |
| Aug 29 | 85.4°F | 86.9°F | 85.3°F |
| Aug 30 | 85.3°F | 86.7°F | 85.2°F |
| Aug 31 | 85.2°F | 86.6°F | 85.2°F |
| Sep 1 | 85.3°F | 87.5°F | 85.2°F |
| Sep 2 | 85.2°F | 87.3°F | 85.2°F |
| Sep 3 | 85.2°F | 87.1°F | 85.1°F |
| Sep 4 | 85.3°F | 86.9°F | 85.2°F |
| Sep 5 | 85.5°F | 86.8°F | 85.5°F |
| Sep 6 | 85.5°F | 86.7°F | 85.4°F |
* actual - actual temperature values
** forecast - projected values for the next week
Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.
Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.
Popular neighboring cities and resorts
| City | Water temperature* | Distance** |
|---|---|---|
| Santo Domingo |
85.4°F
|
8mi |
| San Sebastian |
85.6°F
|
10mi |
| Santa Maria |
84.8°F
|
26mi |
| Burgos |
84.9°F
|
28mi |
| Santiago |
85.0°F
|
31mi |
| Santa Maria |
85.0°F
|
55mi |
| Burgos |
85.0°F
|
55mi |
| Pamplona |
84.7°F
|
77mi |
* current water temperature in this city
** straight line distance from San Juan