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

75.9

°F

February 20, 20:57

Trend:

stable

Yesterday:

75.1°F

Tomorrow:

75.8°F

Sunrise:

06:36

Sunset:

18:29

Day Length:

11 h. 53 min.

San José in February

Minimum:

79.8°F

Average:

81.8°F

Maximum:

84.1°F

Sea water temperature in San José today

As of now, in San José, the water temperature is 75.9°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 1.9°F lower than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. 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 minimum temperature for this date. The maximum temperature recorded for this date was 82.5°F on 2025, while the historical minimum was 74.9°F on 2018.

Observations from the last two weeks indicate that the water temperature was in proximity to the lowest values recorded on those days in the past. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 75.6°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 José

Date Current Year

actual* / forecast**

last year 10 years average
Feb 6 77.2°F 82.2°F 79.1°F
Feb 7 76.7°F 82.2°F 78.8°F
Feb 8 76.9°F 82.3°F 78.7°F
Feb 9 75.7°F 82.5°F 78.4°F
Feb 10 74.7°F 82.2°F 78.0°F
Feb 11 74.5°F 82.4°F 78.1°F
Feb 12 73.4°F 82.5°F 77.8°F
Feb 13 74.6°F 82.5°F 77.6°F
Feb 14 75.2°F 82.6°F 77.8°F
Feb 15 75.6°F 82.4°F 77.6°F
Feb 16 74.8°F 82.0°F 77.5°F
Feb 17 76.1°F 81.7°F 77.6°F
Feb 18 75.8°F 82.3°F 77.7°F
Feb 19 75.1°F 82.7°F 77.6°F
Feb 20 75.9°F 82.5°F 77.8°F
Feb 21 75.8°F 82.5°F 77.7°F
Feb 22 75.8°F 82.5°F 77.8°F
Feb 23 75.6°F 82.8°F 77.5°F
Feb 24 75.6°F 82.6°F 77.6°F
Feb 25 75.6°F 82.6°F 77.6°F
Feb 26 75.6°F 82.4°F 77.6°F
Feb 27 75.5°F 81.8°F 77.4°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 June 13, 2023, reaching a 86.9°F. While the coldest temperature occurred on March 4, 2023, dipping to 72.9°F. The average readings by season are 80.5°F in Winter, 80.5°F in Spring, 83.8°F in Summer, and 83.6°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Veracruz 76.0°F 8mi
Panamá 76.6°F 15mi
San Francisco 76.6°F 16mi
San José 74.8°F 30mi
Miramar 81.1°F 52mi

* current water temperature in this city

** straight line distance from San José