Water temperature in San José
85.6
°F
September 15, 15:33
Trend:
stableYesterday:
83.8°FTomorrow:
85.4°F
Sunrise:
Sunset:
Day Length:
12 h. 10 min.San José in September
Minimum:
79.5°FAverage:
82.1°FMaximum:
83.6°FSea water temperature in San José today
As of now, in San José, the water temperature is 85.6°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 1.2°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a noticeable increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to fall a bit.Recent sea temperature and forecast
Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 86.8°F on 2024, while the historical minimum was 83.7°F on 2020.
Daily water temperature in San José
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Sep 1 | 85.0°F | 84.9°F | 84.3°F |
| Sep 2 | 84.8°F | 85.3°F | 84.5°F |
| Sep 3 | 84.6°F | 85.1°F | 84.4°F |
| Sep 4 | 84.8°F | 85.5°F | 84.5°F |
| Sep 5 | 84.7°F | 85.5°F | 84.4°F |
| Sep 6 | 84.6°F | 85.3°F | 84.4°F |
| Sep 7 | 84.5°F | 86.1°F | 84.4°F |
| Sep 8 | 84.4°F | 85.8°F | 84.2°F |
| Sep 9 | 84.0°F | 85.5°F | 84.3°F |
| Sep 10 | 83.9°F | 85.2°F | 84.3°F |
| Sep 11 | 84.7°F | 85.0°F | 84.2°F |
| Sep 12 | 84.4°F | 84.7°F | 84.0°F |
| Sep 13 | 84.4°F | 84.7°F | 84.1°F |
| Sep 14 | 83.8°F | 84.8°F | 84.1°F |
| Sep 15 | 85.6°F | 86.8°F | 84.4°F |
| Sep 16 | 85.4°F | 86.0°F | 84.3°F |
| Sep 17 | 85.4°F | 85.4°F | 84.3°F |
| Sep 18 | 85.4°F | 85.3°F | 84.3°F |
| Sep 19 | 85.4°F | 85.2°F | 84.2°F |
| Sep 20 | 85.4°F | 85.0°F | 84.3°F |
| Sep 21 | 85.5°F | 84.9°F | 84.3°F |
| Sep 22 | 85.4°F | 84.9°F | 84.3°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** |
|---|---|---|
| San José |
83.6°F
|
30mi |
| Veracruz |
84.0°F
|
32mi |
| Panamá |
84.6°F
|
42mi |
| San Francisco |
84.6°F
|
42mi |
| Los Ángeles |
85.1°F
|
54mi |
| Santo Domingo |
85.0°F
|
59mi |
* current water temperature in this city
** straight line distance from San José