Water temperature in San Juan
83.5
°F
September 8, 23:15
Trend:
increasingYesterday:
83.1°FTomorrow:
83.7°F
Sunrise:
Sunset:
Day Length:
12 h. 22 min.San Juan in September
Minimum:
81.0°FAverage:
82.1°FMaximum:
83.2°FSea water temperature in San Juan today
As of now, in San Juan, the water temperature is 83.5°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 1.7°F lower than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to rise a bit.Recent sea temperature and forecast
The water temperature today is above average for the last two weeks, showing a small increase in temperature. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 86.5°F on 2021, while the historical minimum was 83.9°F on 2016.
Daily water temperature in San Juan
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Aug 25 | 83.4°F | 84.8°F | 85.2°F |
| Aug 26 | 83.0°F | 84.8°F | 85.2°F |
| Aug 27 | 83.3°F | 84.7°F | 85.1°F |
| Aug 28 | 83.4°F | 84.6°F | 85.1°F |
| Aug 29 | 83.6°F | 85.4°F | 85.2°F |
| Aug 30 | 83.5°F | 85.4°F | 85.1°F |
| Aug 31 | 83.1°F | 85.2°F | 85.1°F |
| Sep 1 | 83.0°F | 85.2°F | 85.1°F |
| Sep 2 | 83.4°F | 85.0°F | 85.0°F |
| Sep 3 | 83.4°F | 85.0°F | 85.0°F |
| Sep 4 | 83.2°F | 85.0°F | 85.0°F |
| Sep 5 | 83.4°F | 85.0°F | 85.2°F |
| Sep 6 | 83.1°F | 85.0°F | 85.1°F |
| Sep 7 | 83.1°F | 84.9°F | 85.0°F |
| Sep 8 | 83.5°F | 84.8°F | 85.2°F |
| Sep 9 | 83.7°F | 85.2°F | 85.4°F |
| Sep 10 | 83.6°F | 84.7°F | 85.3°F |
| Sep 11 | 83.6°F | 84.8°F | 85.3°F |
| Sep 12 | 83.6°F | 85.2°F | 85.4°F |
| Sep 13 | 83.6°F | 85.9°F | 85.4°F |
| Sep 14 | 83.8°F | 85.8°F | 85.5°F |
| Sep 15 | 83.8°F | 85.9°F | 85.6°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 |
83.5°F
|
8mi |
| San Sebastian |
83.5°F
|
10mi |
| Santa Maria |
83.6°F
|
26mi |
| Burgos |
83.6°F
|
28mi |
| Santiago |
83.6°F
|
31mi |
| Santa Maria |
83.5°F
|
55mi |
| Burgos |
83.5°F
|
55mi |
| Pamplona |
83.9°F
|
77mi |
* current water temperature in this city
** straight line distance from San Juan