What is the current water temperature in San Juan?

Q: What is the current water temperature in San Juan?

As of now, in San Juan, the water temperature is 28.75°C. 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.

Philippines > San Juan

Water temperature in San Juan

Detailed information about the current water temperature in San Juan. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.

83.8

°F

April 19, 10:48

Trend:

increasing

Yesterday:

83.7°F

Tomorrow:

83.9°F

Sunrise:

05:27

Sunset:

17:50

Day Length:

12 h. 23 min.

San Juan in April

Minimum:

80.6°F

Average:

82.3°F

Maximum:

83.4°F

Sea water temperature in San Juan today

As of now, in San Juan, the water temperature is 83.8°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 0.7°F higher 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 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 is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 83.7°F on 2024, while the historical minimum was 82.4°F on 2015.

latest data

last year

Observations from the last two weeks indicate that the water temperature was in proximity to the highest values recorded on those days in the past. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 84.0°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in San Juan

Date	Current Year actual* / forecast**	last year	10 years average
Apr 5	82.8°F	82.9°F	82.4°F
Apr 6	82.7°F	83.0°F	82.5°F
Apr 7	82.9°F	83.3°F	82.6°F
Apr 8	83.5°F	83.1°F	82.5°F
Apr 9	83.8°F	82.6°F	82.7°F
Apr 10	83.5°F	83.2°F	82.8°F
Apr 11	83.4°F	83.2°F	82.9°F
Apr 12	83.9°F	82.7°F	82.7°F
Apr 13	83.9°F	82.8°F	82.8°F
Apr 14	83.8°F	82.8°F	82.8°F
Apr 15	83.7°F	83.2°F	83.0°F
Apr 16	83.7°F	83.0°F	82.9°F
Apr 17	83.5°F	83.2°F	83.0°F
Apr 18	83.7°F	83.4°F	83.0°F
Apr 19	83.8°F	83.7°F	83.0°F
Apr 20	83.9°F	83.7°F	83.1°F
Apr 21	83.9°F	83.3°F	83.2°F
Apr 22	84.0°F	83.9°F	83.3°F
Apr 23	84.1°F	84.7°F	83.4°F
Apr 24	84.1°F	83.8°F	83.4°F
Apr 25	84.2°F	84.2°F	83.4°F
Apr 26	84.1°F	84.0°F	83.4°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.

Sea water temperature in San Juan by month

In San Juan, the water temperature is comfortable for swimming all year round.

The warmest water in San Juan was recorded on September 5, 2017, reaching a 86.7°F. While the coldest temperature occurred on January 18, 2015, dipping to 78.8°F. The average readings by season are 82.0°F in Winter, 83.0°F in Spring, 84.9°F in Summer, and 84.5°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
San Francisco	83.4°F	14mi
San Jose	83.8°F	27mi
San Francisco	83.9°F	38mi
San Jose	85.5°F	51mi
San Francisco	83.8°F	55mi

* current water temperature in this city

** straight line distance from San Juan