All data are in degrees Fahrenheit

en
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.
Sea temperature in San Juan now

84.4

°F

April 14, 13:31

Trend:

stable

Yesterday:

84.2°F

Tomorrow:

84.3°F

Sunrise:

05:39

Sunset:

17:59

Day Length:

12 h. 20 min.

San Juan in April

Minimum:

81.3°F

Average:

82.6°F

Maximum:

84.5°F

Sea water temperature in San Juan today

As of now, in San Juan, the water temperature is 84.4°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 about the same as 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 also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 85.1°F on 2025, while the historical minimum was 83.4°F on 2017.

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the histoorical minimum and others when it was close to the historical maximum. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 84.7°F, with minimum temperature starting at 84.3°F, while the maximum might reach 85.2°F.

Daily water temperature in San Juan

Date Current Year

actual* / forecast**

 last year 10 years average
Mar 31 82.6°F 82.7°F 83.1°F
Apr 1 83.0°F 82.6°F 83.3°F
Apr 2 82.8°F 82.7°F 83.4°F
Apr 3 82.6°F 82.0°F 83.3°F
Apr 4 83.0°F 82.0°F 83.3°F
Apr 5 83.4°F 83.2°F 83.5°F
Apr 6 83.7°F 83.5°F 83.6°F
Apr 7 83.9°F 83.9°F 83.6°F
Apr 8 84.0°F 84.4°F 83.6°F
Apr 9 84.8°F 84.4°F 83.8°F
Apr 10 85.1°F 84.0°F 84.0°F
Apr 11 84.7°F 84.7°F 84.0°F
Apr 12 84.7°F 84.3°F 84.0°F
Apr 13 84.2°F 84.4°F 84.3°F
Apr 14 84.4°F 85.1°F 84.5°F
Apr 15 84.3°F 85.1°F 84.4°F
Apr 16 84.4°F 84.4°F 84.5°F
Apr 17 84.6°F 85.2°F 84.7°F
Apr 18 84.8°F 85.7°F 84.8°F
Apr 19 84.9°F 85.8°F 85.0°F
Apr 20 85.1°F 86.5°F 85.2°F
Apr 21 85.2°F 86.1°F 85.3°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.

Sea water temperature in San Juan by month

January

February

March

April

May

June

July

August

September

October

November

December

In San Juan, the water temperature is comfortable for swimming all year round.
The warmest water in San Juan was recorded on May 23, 2024, reaching a 88.9°F. While the coldest temperature occurred on February 5, 2019, dipping to 79.0°F. The average readings by season are 82.1°F in Winter, 84.4°F in Spring, 85.8°F in Summer, and 84.9°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Mansilingan 85.0°F 19mi
Bacolod City 84.8°F 20mi
La Paz 83.7°F 24mi

* current water temperature in this city

** straight line distance from San Juan