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

78.5

°F

April 7, 09:10

Trend:

stable

Yesterday:

79.0°F

Tomorrow:

78.6°F

Sunrise:

06:14

Sunset:

18:29

Day Length:

12 h. 15 min.

San José in April

Minimum:

79.7°F

Average:

82.3°F

Maximum:

83.7°F

Sea water temperature in San José today

As of now, in San José, the water temperature is 78.5°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 1.4°F lower 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 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 83.6°F on 2024, while the historical minimum was 77.1°F on 2019.

Over the last two weeks, the water temperature has stayed slightly lower than historical averages for those days. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 79.0°F, with minimum temperature starting at 78.6°F, while the maximum might reach 79.4°F.

Daily water temperature in San José

Date Current Year

actual* / forecast**

last year 10 years average
Mar 24 77.2°F 80.5°F 78.2°F
Mar 25 77.0°F 80.0°F 78.3°F
Mar 26 76.9°F 81.5°F 78.7°F
Mar 27 77.8°F 81.2°F 78.9°F
Mar 28 77.2°F 81.3°F 78.7°F
Mar 29 77.1°F 80.5°F 78.5°F
Mar 30 77.0°F 81.5°F 78.8°F
Mar 31 76.6°F 80.8°F 78.7°F
Apr 1 76.8°F 80.1°F 78.5°F
Apr 2 76.9°F 81.3°F 78.7°F
Apr 3 77.8°F 82.4°F 79.0°F
Apr 4 78.8°F 82.0°F 79.3°F
Apr 5 79.0°F 81.8°F 79.2°F
Apr 6 79.0°F 82.8°F 79.4°F
Apr 7 78.5°F 83.0°F 79.9°F
Apr 8 78.6°F 82.1°F 80.0°F
Apr 9 78.6°F 82.3°F 80.0°F
Apr 10 78.7°F 82.1°F 80.0°F
Apr 11 79.1°F 82.8°F 80.5°F
Apr 12 79.3°F 82.8°F 80.6°F
Apr 13 79.4°F 83.6°F 80.8°F
Apr 14 79.3°F 82.2°F 80.6°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 2, 2023, reaching a 87.9°F. While the coldest temperature occurred on February 13, 2026, dipping to 72.6°F. The average readings by season are 81.0°F in Winter, 81.0°F in Spring, 84.2°F in Summer, and 83.9°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
San José 78.2°F 30mi
Veracruz 77.9°F 32mi
Panamá 78.8°F 42mi
San Francisco 78.8°F 42mi
Los Ángeles 81.3°F 54mi
Santo Domingo 79.8°F 59mi

* current water temperature in this city

** straight line distance from San José