Puerto Armuelles — Water Temperature in December

Water Temperature Range

27°C

minimum

29°C

average

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

December: Climate and Swimming Opportunities

Average Night Air Temperature

23°C

Average Day Air Temperature

30°C

Precipitation Amount per Month

252 mm

Number of Rainy Days

Daylight per Day

11 hrs

Sunshine per Day

7 hrs

Average Wind Speed

9 km/h

Average Humidity

75%

At such water and air temperatures, swimming feels truly comfortable and relaxing. The warm water won’t cool you down, so you can stay in for a long time without getting chilled.