Willemstad — Water Temperature in January

Water Temperature Range

25°C

minimum

27°C

average

29°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	2026	2025	2024	2023
JAN 1	28°C	27°C	28°C	28°C
JAN 2	26°C	27°C	27°C	29°C
JAN 3	26°C	26°C	27°C	27°C
JAN 4	26°C	27°C	26°C	28°C
JAN 5	27°C	26°C	26°C	27°C
JAN 6	26°C	27°C	27°C	26°C
JAN 7	25°C	26°C	27°C	28°C
JAN 8	26°C	26°C	26°C	28°C
JAN 9	26°C	26°C	27°C	29°C
JAN 10	26°C	26°C	27°C	28°C
JAN 11	26°C	26°C	27°C	28°C
JAN 12	26°C	27°C	26°C	27°C
JAN 13	25°C	26°C	27°C	28°C
JAN 14	26°C	27°C	27°C	28°C
JAN 15	25°C	26°C	27°C	29°C
JAN 16	26°C	26°C	26°C	27°C
JAN 17	26°C	27°C	27°C	26°C
JAN 18	26°C	26°C	27°C	29°C
JAN 19	27°C	26°C	26°C	27°C
JAN 20	27°C	26°C	27°C	26°C
JAN 21	27°C	26°C	26°C	29°C
JAN 22	27°C	26°C	27°C	29°C
JAN 23	25°C	26°C	26°C	29°C
JAN 24	26°C	26°C	27°C	28°C
JAN 25	25°C	26°C	27°C	27°C
JAN 26	25°C	26°C	27°C	26°C
JAN 27	26°C	26°C	26°C	26°C
JAN 28	26°C	26°C	26°C	26°C
JAN 29	26°C	25°C	26°C	26°C
JAN 30	26°C	26°C	27°C	28°C
JAN 31	25°C	25°C	28°C	29°C

January: Climate and Swimming Opportunities

Average Night Air Temperature

22°C

Average Day Air Temperature

32°C

Precipitation Amount per Month

8 mm

Number of Rainy Days

Daylight per Day

11 hrs

Sunshine per Day

8 hrs

Average Wind Speed

18 km/h

Average Humidity

74%

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.