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

84.1

°F

May 16, 07:09

Trend:

increasing

Yesterday:

84.0°F

Tomorrow:

84.3°F

Sunrise:

06:03

Sunset:

18:32

Day Length:

12 h. 29 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 84.1°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 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 rise a bit.

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 85.0°F on 2022, while the historical minimum was 83.7°F on 2015.

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 84.0°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
May 2 82.4°F 83.9°F 83.4°F
May 3 82.1°F 83.8°F 83.2°F
May 4 82.4°F 84.2°F 83.2°F
May 5 82.1°F 84.2°F 83.3°F
May 6 82.1°F 85.3°F 83.5°F
May 7 82.2°F 85.0°F 83.2°F
May 8 82.3°F 85.0°F 83.5°F
May 9 82.7°F 84.7°F 83.4°F
May 10 83.0°F 84.6°F 83.7°F
May 11 83.0°F 84.5°F 83.7°F
May 12 83.1°F 84.6°F 83.8°F
May 13 84.4°F 85.1°F 84.3°F
May 14 83.9°F 85.1°F 84.2°F
May 15 84.0°F 84.1°F 84.1°F
May 16 84.1°F 84.2°F 84.2°F
May 17 84.3°F 85.2°F 84.4°F
May 18 84.2°F 84.8°F 84.3°F
May 19 84.1°F 84.1°F 84.2°F
May 20 84.0°F 83.8°F 84.1°F
May 21 84.0°F 83.8°F 84.1°F
May 22 83.8°F 84.5°F 83.9°F
May 23 83.9°F 84.4°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 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 84.1°F 4mi
Santo Domingo 84.2°F 5mi
Los Ángeles 83.9°F 16mi
San José 83.8°F 63mi

* current water temperature in this city

** straight line distance from San José