All data are in degrees Fahrenheit

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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.
Sea temperature in San Juan now

81.0

°F

January 31, 07:01

Trend:

decreasing

Yesterday:

81.0°F

Tomorrow:

80.8°F

Sunrise:

06:25

Sunset:

17:54

Day Length:

11 h. 29 min.

San Juan in February

Minimum:

79.0°F

Average:

80.9°F

Maximum:

82.2°F

Sea water temperature in San Juan today

As of now, in San Juan, the water temperature is 81.0°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 0.8°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 fall a bit.

Recent sea temperature and forecast

Today's reading indicates a minor change compared to the average water temperature of the last two weeks, but the overall trend remains steady. 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 81.9°F on 2022, while the historical minimum was 78.8°F on 2015.

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 80.7°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
Jan 17 80.5°F 80.9°F 80.0°F
Jan 18 80.5°F 81.2°F 80.1°F
Jan 19 80.4°F 81.1°F 80.1°F
Jan 20 80.4°F 80.6°F 80.2°F
Jan 21 81.1°F 80.6°F 80.2°F
Jan 22 80.7°F 80.7°F 80.3°F
Jan 23 81.1°F 80.7°F 80.3°F
Jan 24 80.9°F 80.7°F 80.4°F
Jan 25 81.1°F 80.7°F 80.5°F
Jan 26 81.1°F 80.7°F 80.3°F
Jan 27 81.4°F 80.4°F 80.3°F
Jan 28 81.4°F 80.2°F 80.4°F
Jan 29 81.2°F 79.8°F 80.3°F
Jan 30 81.0°F 79.4°F 80.2°F
Jan 31 81.0°F 79.1°F 80.1°F
Feb 1 80.8°F 79.1°F 80.0°F
Feb 2 80.7°F 79.2°F 79.9°F
Feb 3 80.7°F 79.5°F 79.9°F
Feb 4 80.6°F 79.6°F 79.8°F
Feb 5 80.6°F 80.0°F 79.8°F
Feb 6 80.7°F 80.3°F 79.9°F
Feb 7 80.7°F 80.8°F 79.9°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 May 14, 2020, reaching a 89.0°F. While the coldest temperature occurred on February 7, 2015, dipping to 77.8°F. The average readings by season are 80.9°F in Winter, 84.3°F in Spring, 86.2°F in Summer, and 84.7°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Mandaluyong City 80.9°F 1mi
Pasig City 80.7°F 2mi
Manila 81.1°F 3mi
Makati City 80.9°F 3mi
Quezon City 80.8°F 4mi
Pasay 80.8°F 5mi
Caloocan City 81.1°F 6mi
Taguig 80.7°F 6mi
Antipolo 80.7°F 6mi
Paranaque City 80.7°F 8mi

* current water temperature in this city

** straight line distance from San Juan