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

October 10, 11:54

Trend:

decreasing

Yesterday:

84.3°F

Tomorrow:

84.0°F

Sunrise:

06:08

Sunset:

18:08

Day Length:

12 h. 0 min.

San José in October

Minimum:

80.1°F

Average:

82.2°F

Maximum:

83.5°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 0.3°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 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 86.0°F on 2023, while the historical minimum was 82.9°F on 2016.

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. 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
Sep 26 84.6°F 84.2°F 83.8°F
Sep 27 84.4°F 84.2°F 83.9°F
Sep 28 84.3°F 84.2°F 84.0°F
Sep 29 84.1°F 84.0°F 84.1°F
Sep 30 84.1°F 84.0°F 84.2°F
Oct 1 84.1°F 84.0°F 84.2°F
Oct 2 84.0°F 84.1°F 84.3°F
Oct 3 84.0°F 84.0°F 84.0°F
Oct 4 83.8°F 84.3°F 84.1°F
Oct 5 83.8°F 84.2°F 84.1°F
Oct 6 84.1°F 84.1°F 84.1°F
Oct 7 83.8°F 84.0°F 83.9°F
Oct 8 84.0°F 84.3°F 84.0°F
Oct 9 84.3°F 84.1°F 83.8°F
Oct 10 84.1°F 83.9°F 83.8°F
Oct 11 84.0°F 83.9°F 83.7°F
Oct 12 84.0°F 83.7°F 83.7°F
Oct 13 84.1°F 83.5°F 83.8°F
Oct 14 84.1°F 83.2°F 83.8°F
Oct 15 84.1°F 83.2°F 83.8°F
Oct 16 84.1°F 83.2°F 83.8°F
Oct 17 83.9°F 83.1°F 83.6°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 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 84.2°F 16mi
San José 84.2°F 63mi

* current water temperature in this city

** straight line distance from San José