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 30.14°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.

86.3

°F

September 18, 07:52

Trend:

increasing

Yesterday:

86.1°F

Tomorrow:

86.4°F

Sunrise:

05:47

Sunset:

17:59

Day Length:

12 h. 12 min.

San Juan in September

Minimum:

81.0°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 86.3°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 0.8°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 rise 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 also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 87.2°F on 2020, while the historical minimum was 84.1°F on 2016.

latest data

last year

Over the last two weeks, the water temperature has stayed slightly lower than historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 86.4°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
Sep 4	84.9°F	87.0°F	85.5°F
Sep 5	85.1°F	87.1°F	85.6°F
Sep 6	85.3°F	87.0°F	85.7°F
Sep 7	85.3°F	86.9°F	85.7°F
Sep 8	85.2°F	86.7°F	85.6°F
Sep 9	84.8°F	86.5°F	85.6°F
Sep 10	85.0°F	86.3°F	85.6°F
Sep 11	85.1°F	86.0°F	85.5°F
Sep 12	84.7°F	85.8°F	85.4°F
Sep 13	85.5°F	85.6°F	85.3°F
Sep 14	85.0°F	85.6°F	85.2°F
Sep 15	85.2°F	85.6°F	85.3°F
Sep 16	85.2°F	85.5°F	85.3°F
Sep 17	86.1°F	85.4°F	85.3°F
Sep 18	86.3°F	85.3°F	85.4°F
Sep 19	86.4°F	85.2°F	85.6°F
Sep 20	86.4°F	85.0°F	85.5°F
Sep 21	86.3°F	84.9°F	85.5°F
Sep 22	86.4°F	84.9°F	85.5°F
Sep 23	86.4°F	84.8°F	85.5°F
Sep 24	86.5°F	84.9°F	85.6°F
Sep 25	86.8°F	85.5°F	85.9°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 July 6, 2023, reaching a 88.8°F. While the coldest temperature occurred on February 6, 2015, dipping to 79.2°F. The average readings by season are 82.4°F in Winter, 84.5°F in Spring, 86.2°F in Summer, and 85.4°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Santa Maria	86.7°F	21mi
Zaragoza	86.3°F	33mi
Santiago	86.5°F	44mi

* current water temperature in this city

** straight line distance from San Juan