Water temperature in San Juan
60.0
°F
June 8, 23:28
Trend:
decreasingYesterday:
60.7°FTomorrow:
59.8°F
Sunrise:
Sunset:
Day Length:
11 h. 15 min.San Juan in June
Minimum:
61.0°FAverage:
65.7°FMaximum:
69.5°FSea water temperature in San Juan today
As of now, in San Juan, the water temperature is 60.0°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 1.0°F lower than 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 fall 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 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 65.8°F on 2023, while the historical minimum was 57.4°F on 2022.
Daily water temperature in San Juan
Date |
Current Year
actual* / forecast** |
last year | 10 years average |
---|---|---|---|
May 25 | 59.6°F | 58.6°F | 61.1°F |
May 26 | 61.5°F | 58.4°F | 61.3°F |
May 27 | 60.9°F | 57.9°F | 61.4°F |
May 28 | 59.5°F | 58.3°F | 61.2°F |
May 29 | 60.3°F | 57.7°F | 60.9°F |
May 30 | 58.7°F | 57.2°F | 61.0°F |
May 31 | 59.1°F | 58.1°F | 60.9°F |
Jun 1 | 59.0°F | 58.6°F | 60.9°F |
Jun 2 | 59.4°F | 58.1°F | 60.9°F |
Jun 3 | 58.9°F | 57.1°F | 60.9°F |
Jun 4 | 59.4°F | 57.6°F | 60.8°F |
Jun 5 | 59.5°F | 58.1°F | 60.9°F |
Jun 6 | 60.0°F | 57.7°F | 60.8°F |
Jun 7 | 60.7°F | 58.2°F | 60.8°F |
Jun 8 | 60.0°F | 58.5°F | 61.0°F |
Jun 9 | 59.8°F | 58.7°F | 60.8°F |
Jun 10 | 59.9°F | 58.9°F | 60.9°F |
Jun 11 | 59.7°F | 58.1°F | 60.7°F |
Jun 12 | 59.7°F | 58.8°F | 60.7°F |
Jun 13 | 59.7°F | 57.8°F | 60.7°F |
Jun 14 | 59.8°F | 58.2°F | 60.8°F |
Jun 15 | 60.1°F | 59.3°F | 61.1°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.