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 30.69°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.

87.2

°F

May 10, 00:27

Trend:

decreasing

Yesterday:

87.4°F

Tomorrow:

87.1°F

Sunrise:

05:25

Sunset:

18:07

Day Length:

12 h. 42 min.

San Juan in May

Minimum:

78.0°F

Average:

80.6°F

Maximum:

82.7°F

Sea water temperature in San Juan today

As of now, in San Juan, the water temperature is 87.2°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. 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 is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 87.2°F on 2024, while the historical minimum was 84.6°F on 2015.

latest data

last year

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 maximum recorded over the past years. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 87.4°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 26	87.5°F	86.5°F	85.2°F
Apr 27	87.3°F	86.3°F	85.3°F
Apr 28	86.7°F	86.5°F	85.3°F
Apr 29	86.6°F	87.1°F	85.5°F
Apr 30	86.0°F	86.9°F	85.4°F
May 1	86.8°F	87.2°F	85.6°F
May 2	86.5°F	86.9°F	85.7°F
May 3	86.5°F	87.0°F	85.7°F
May 4	86.4°F	87.6°F	85.7°F
May 5	86.3°F	87.4°F	86.0°F
May 6	86.6°F	87.5°F	86.0°F
May 7	86.6°F	87.7°F	86.2°F
May 8	86.1°F	87.8°F	86.3°F
May 9	87.4°F	87.2°F	86.2°F
May 10	87.2°F	87.2°F	86.1°F
May 11	87.1°F	87.0°F	85.9°F
May 12	87.1°F	87.0°F	85.9°F
May 13	87.4°F	87.3°F	86.2°F
May 14	87.4°F	87.3°F	86.2°F
May 15	87.4°F	86.9°F	86.3°F
May 16	87.4°F	87.5°F	86.2°F
May 17	87.7°F	88.0°F	86.5°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 June 19, 2022, reaching a 88.9°F. While the coldest temperature occurred on January 26, 2015, dipping to 77.5°F. The average readings by season are 80.7°F in Winter, 84.1°F in Spring, 86.2°F in Summer, and 84.7°F in Autumn.