Cozumel — Water Temperature in January

Water Temperature Range

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

January: Climate and Swimming Opportunities

Average Night Air Temperature

19°C

Average Day Air Temperature

28°C

Precipitation Amount per Month

78 mm

Number of Rainy Days

Daylight per Day

11 hrs

Sunshine per Day

6 hrs

Average Wind Speed

12 km/h

Average Humidity

83%

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.