Jomtien Beach — Water Temperature in January

Water Temperature Range

25°C

minimum

27°C

average

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

January: Climate and Swimming Opportunities

Average Night Air Temperature

23°C

Average Day Air Temperature

31°C

Precipitation Amount per Month

16 mm

Number of Rainy Days

Daylight per Day

11 hrs

Sunshine per Day

8 hrs

Average Wind Speed

8 km/h

Average Humidity

71%

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.