All data are in degrees Fahrenheit

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Water temperature in San José

Detailed information about the current water temperature in San José. 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 José now

83.1

°F

April 24, 21:57

Trend:

stable

Yesterday:

83.6°F

Tomorrow:

83.2°F

Sunrise:

06:09

Sunset:

18:30

Day Length:

12 h. 21 min.

San José in May

Minimum:

80.4°F

Average:

82.5°F

Maximum:

83.9°F

Sea water temperature in San José today

As of now, in San José, the water temperature is 83.1°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 0.6°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

Today's water temperature is slightly lower than the average registered over the last two weeks, indicating a slight cooling 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 84.4°F on 2024, while the historical minimum was 81.2°F on 2016.

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. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 83.5°F, with minimum temperature starting at 83.1°F, while the maximum might reach 83.8°F.

Daily water temperature in San José

Date Current Year

actual* / forecast**

last year 10 years average
Apr 10 83.6°F 83.5°F 81.2°F
Apr 11 83.3°F 83.0°F 81.3°F
Apr 12 83.2°F 85.5°F 81.4°F
Apr 13 83.1°F 84.8°F 81.5°F
Apr 14 83.3°F 84.6°F 81.7°F
Apr 15 83.4°F 83.7°F 81.6°F
Apr 16 83.2°F 83.6°F 81.8°F
Apr 17 83.9°F 83.4°F 82.0°F
Apr 18 83.6°F 83.5°F 82.1°F
Apr 19 84.1°F 83.3°F 82.2°F
Apr 20 83.6°F 85.5°F 82.5°F
Apr 21 83.2°F 84.0°F 82.5°F
Apr 22 83.4°F 82.0°F 82.3°F
Apr 23 83.6°F 82.7°F 82.4°F
Apr 24 83.1°F 84.4°F 82.6°F
Apr 25 83.2°F 84.1°F 82.7°F
Apr 26 83.1°F 83.9°F 82.6°F
Apr 27 83.5°F 83.9°F 82.9°F
Apr 28 83.7°F 84.1°F 83.1°F
Apr 29 83.7°F 84.1°F 83.1°F
Apr 30 83.8°F 84.5°F 83.2°F
May 1 83.7°F 83.7°F 83.1°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 José by month

In San José, the water temperature is comfortable for swimming all year round.
The warmest water in San José was recorded on September 9, 2023, reaching a 86.7°F. While the coldest temperature occurred on February 18, 2017, dipping to 76.3°F. The average readings by season are 81.7°F in Winter, 81.9°F in Spring, 83.9°F in Summer, and 83.7°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
La Palma 83.1°F 4mi
Santo Domingo 83.1°F 5mi
Los Ángeles 83.0°F 16mi
San José 82.8°F 63mi

* current water temperature in this city

** straight line distance from San José