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

81.5

°F

January 23, 07:28

Trend:

stable

Yesterday:

82.2°F

Tomorrow:

81.5°F

Sunrise:

06:40

Sunset:

18:26

Day Length:

11 h. 46 min.

San José in January

Minimum:

81.2°F

Average:

82.5°F

Maximum:

84.3°F

Sea water temperature in San José today

As of now, in San José, the water temperature is 81.5°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is about the same as 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 slightly varies from the average of the past two weeks. 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 78.5°F on 2019.

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the minimum recorded over the past years. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 81.5°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
Jan 9 81.9°F 81.1°F 82.2°F
Jan 10 81.8°F 81.3°F 82.1°F
Jan 11 82.0°F 81.2°F 82.0°F
Jan 12 81.9°F 81.8°F 82.1°F
Jan 13 81.4°F 82.3°F 82.2°F
Jan 14 81.2°F 82.2°F 82.1°F
Jan 15 81.1°F 82.6°F 81.9°F
Jan 16 81.1°F 82.5°F 81.9°F
Jan 17 80.9°F 82.8°F 81.7°F
Jan 18 81.3°F 82.1°F 81.8°F
Jan 19 81.2°F 82.7°F 81.8°F
Jan 20 81.4°F 82.5°F 81.6°F
Jan 21 81.8°F 84.1°F 81.6°F
Jan 22 82.2°F 82.9°F 81.6°F
Jan 23 81.5°F 83.0°F 81.4°F
Jan 24 81.5°F 82.9°F 81.5°F
Jan 25 81.4°F 83.8°F 81.4°F
Jan 26 81.3°F 83.4°F 81.3°F
Jan 27 81.5°F 83.7°F 81.5°F
Jan 28 81.6°F 83.2°F 81.6°F
Jan 29 81.6°F 82.8°F 81.6°F
Jan 30 81.6°F 82.9°F 81.5°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 81.6°F in Winter, 82.0°F in Spring, 83.9°F in Summer, and 83.6°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
La Palma 81.4°F 4mi
Santo Domingo 81.4°F 5mi
Los Ángeles 81.2°F 16mi
San José 81.3°F 63mi

* current water temperature in this city

** straight line distance from San José