Costa Azul — Water Temperature in December

Water Temperature Range

19°C

minimum

21°C

average

24°C

maximum

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Water Temperature Chart for Month

The chart shows the average daily water temperature for each day of the month based on historical data.

Table of Water Temperatures by Day of the Month for Previous Years

Day	2025	2024	2023	2022
DEC 1	20°C	19°C	19°C	19°C
DEC 2	20°C	19°C	19°C	20°C
DEC 3	20°C	19°C	20°C	21°C
DEC 4	20°C	19°C	20°C	21°C
DEC 5	20°C	19°C	19°C	21°C
DEC 6	21°C	19°C	20°C	21°C
DEC 7	21°C	21°C	21°C	20°C
DEC 8	22°C	22°C	21°C	21°C
DEC 9	21°C	22°C	21°C	21°C
DEC 10	21°C	21°C	21°C	21°C
DEC 11	22°C	22°C	21°C	20°C
DEC 12	21°C	21°C	20°C	20°C
DEC 13	21°C	21°C	21°C	20°C
DEC 14	21°C	21°C	20°C	20°C
DEC 15	22°C	23°C	20°C	20°C
DEC 16	22°C	23°C	21°C	20°C
DEC 17	22°C	22°C	21°C	21°C
DEC 18	22°C	23°C	21°C	21°C
DEC 19	22°C	22°C	20°C	22°C
DEC 20	22°C	22°C	21°C	22°C
DEC 21	21°C	22°C	22°C	20°C
DEC 22	21°C	22°C	22°C	21°C
DEC 23	21°C	23°C	22°C	20°C
DEC 24	21°C	23°C	21°C	21°C
DEC 25	22°C	23°C	22°C	22°C
DEC 26	21°C	23°C	21°C	21°C
DEC 27	22°C	24°C	22°C	22°C
DEC 28	22°C	24°C	22°C	22°C
DEC 29	22°C	24°C	22°C	22°C
DEC 30	23°C	25°C	22°C	22°C
DEC 31	23°C	24°C	22°C	22°C

December: Climate and Swimming Opportunities

Average Night Air Temperature

16°C

Average Day Air Temperature

25°C

Precipitation Amount per Month

73 mm

Number of Rainy Days

Daylight per Day

14 hrs

Sunshine per Day

9 hrs

Average Wind Speed

18 km/h

Average Humidity

72%

With such a ratio between the average monthly temperatures of water and air, swimming feels warm and comfortable even if the day isn’t hot. The water can feel warmer than the air, so getting out may feel a bit cool.