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Water temperature in San Jose (Costa Rica) in December

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Is it warm enough to swim in San Jose in December? Average water temperature in San Jose in December is 20°C and therefore suitable for comfortable swimming. The warmest water in San Jose in December is 22°C, and the coldest is 18°C. To find out the water temperature today and in the coming days, go to Current water temperature in San Jose

Changes water temperature in San Jose in December 2024, 2023

To get an accurate forecast for the water temperature in San Jose for any chosen month, compare two years within a 10 year range using the chart below.

You can choose any other years:

Year 1:   Year 2:


Day 2024 2023
1 December21°C22°C
2 December21°C22°C
3 December21°C22°C
4 December21°C22°C
5 December21°C22°C
6 December21°C22°C
7 December21°C22°C
8 December21°C22°C
9 December21°C22°C
10 December21°C22°C
11 December21°C22°C
12 December21°C22°C
13 December21°C22°C
14 December21°C22°C
15 December21°C22°C
Day 2024 2023
16 December21°C22°C
17 December21°C22°C
18 December21°C21°C
19 December21°C21°C
20 December21°C21°C
21 December21°C21°C
22 December21°C21°C
23 December21°C21°C
24 December21°C21°C
25 December20°C21°C
26 December20°C22°C
27 December20°C22°C
28 December20°C21°C
29 December20°C21°C
30 December20°C21°C
31 December20°C21°C

San Jose water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Where is the warm sea water in December?

Want to know where the water temperature in December is good for swimming? Select the continent of interest, the day of the month and the required water temperature

Region
Date (day and month)
Water temperature: min 16°C
 Average temperature  Maximum temperature

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[1] - The "Blue Flag" is awarded to beaches which fulfill a number of criteria, including: the quality of the bathing water, which must be in accordance with the relevant European Union Directive environmental education and information and beach area management and safety.

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Our report for San Jose is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

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