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

82.7

°F

December 21, 06:56

Trend:

stable

Yesterday:

82.9°F

Tomorrow:

82.8°F

Sunrise:

06:29

Sunset:

18:06

Day Length:

11 h. 37 min.

San José in December

Minimum:

79.9°F

Average:

81.3°F

Maximum:

83.6°F

Sea water temperature in San José today

As of now, in San José, the water temperature is 82.7°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 0.5°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 is slightly lower than the average registered over the last two weeks, indicating a slight cooling 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 83.7°F on 2015, while the historical minimum was 81.1°F on 2020.

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 82.7°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
Dec 7 82.8°F 84.1°F 82.4°F
Dec 8 83.9°F 83.9°F 82.6°F
Dec 9 83.6°F 84.3°F 82.6°F
Dec 10 83.3°F 83.9°F 82.6°F
Dec 11 84.2°F 84.6°F 82.7°F
Dec 12 84.1°F 84.2°F 82.7°F
Dec 13 84.3°F 84.3°F 82.7°F
Dec 14 83.8°F 85.1°F 82.7°F
Dec 15 84.0°F 85.1°F 82.7°F
Dec 16 83.4°F 84.6°F 82.6°F
Dec 17 83.4°F 84.0°F 82.5°F
Dec 18 83.1°F 84.2°F 82.5°F
Dec 19 83.5°F 84.2°F 82.5°F
Dec 20 82.9°F 83.9°F 82.3°F
Dec 21 82.7°F 83.4°F 82.2°F
Dec 22 82.8°F 83.1°F 82.3°F
Dec 23 82.7°F 83.0°F 82.2°F
Dec 24 82.7°F 82.7°F 82.2°F
Dec 25 82.7°F 82.0°F 82.3°F
Dec 26 82.8°F 82.5°F 82.3°F
Dec 27 82.7°F 82.4°F 82.2°F
Dec 28 82.7°F 83.1°F 82.2°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 80.4°F in Winter, 80.3°F in Spring, 83.8°F in Summer, and 83.7°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Veracruz 82.7°F 8mi
Panamá 82.8°F 15mi
San Francisco 82.8°F 16mi
San José 82.7°F 30mi
Miramar 83.6°F 52mi

* current water temperature in this city

** straight line distance from San José