Kourou — Water Temperature in December

Water Temperature Range

26°C

minimum

28°C

average

29°C

maximum

Get instant access to real-time water temperatures for this and all other locations with our iOS and Android apps.

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

December: Climate and Swimming Opportunities

Average Night Air Temperature

22°C

Average Day Air Temperature

30°C

Precipitation Amount per Month

180 mm

Number of Rainy Days

Daylight per Day

11 hrs

Sunshine per Day

7 hrs

Average Wind Speed

14 km/h

Average Humidity

85%

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.