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

84.0

°F

May 11, 12:33

Trend:

stable

Yesterday:

84.4°F

Tomorrow:

84.2°F

Sunrise:

06:00

Sunset:

18:31

Day Length:

12 h. 31 min.

San José in May

Minimum:

79.1°F

Average:

81.8°F

Maximum:

83.2°F

Sea water temperature in San José today

As of now, in San José, the water temperature is 84.0°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 1.1°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

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 85.1°F on 2022, while the historical minimum was 79.9°F on 2023.

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 84.7°F, with minimum temperature starting at 84.2°F, while the maximum might reach 85.1°F.

Daily water temperature in San José

Date Current Year

actual* / forecast**

last year 10 years average
Apr 27 83.3°F 81.8°F 82.0°F
Apr 28 84.1°F 81.2°F 82.1°F
Apr 29 84.2°F 81.5°F 82.3°F
Apr 30 83.9°F 81.8°F 82.5°F
May 1 83.6°F 81.8°F 82.4°F
May 2 84.0°F 81.9°F 82.5°F
May 3 83.9°F 81.8°F 82.6°F
May 4 83.8°F 81.8°F 82.7°F
May 5 83.7°F 81.2°F 82.8°F
May 6 83.5°F 81.6°F 82.9°F
May 7 83.4°F 82.0°F 83.1°F
May 8 83.4°F 82.1°F 83.1°F
May 9 83.4°F 84.5°F 83.1°F
May 10 84.4°F 84.7°F 83.3°F
May 11 84.0°F 84.3°F 82.9°F
May 12 84.2°F 84.5°F 83.1°F
May 13 84.5°F 84.5°F 83.4°F
May 14 84.5°F 84.4°F 83.4°F
May 15 84.7°F 83.5°F 83.6°F
May 16 84.8°F 83.2°F 83.7°F
May 17 84.9°F 83.3°F 83.8°F
May 18 85.1°F 83.5°F 83.9°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 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 84.1°F 8mi
Panamá 84.2°F 15mi
San Francisco 84.2°F 16mi
San José 84.3°F 30mi
Miramar 84.3°F 52mi

* current water temperature in this city

** straight line distance from San José