Sihanoukville — Water Temperature in May

Water Temperature Range

29°C

minimum

31°C

average

33°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
MAY 1	31°C	31°C	30°C	31°C
MAY 2	31°C	32°C	30°C	31°C
MAY 3	31°C	31°C	30°C	30°C
MAY 4	31°C	31°C	30°C	32°C
MAY 5	31°C	31°C	31°C	32°C
MAY 6	31°C	31°C	31°C	31°C
MAY 7	31°C	31°C	31°C	31°C
MAY 8	31°C	30°C	31°C	32°C
MAY 9	31°C	31°C	31°C	31°C
MAY 10	31°C	31°C	31°C	32°C
MAY 11	31°C	31°C	31°C	32°C
MAY 12	31°C	31°C	31°C	31°C
MAY 13	31°C	31°C	31°C	31°C
MAY 14	31°C	31°C	31°C	32°C
MAY 15	31°C	31°C	31°C	32°C
MAY 16	31°C	31°C	31°C	31°C
MAY 17	31°C	31°C	31°C	32°C
MAY 18	31°C	30°C	31°C	31°C
MAY 19	31°C	31°C	31°C	32°C
MAY 20	31°C	30°C	31°C	32°C
MAY 21	31°C	31°C	31°C	31°C
MAY 22	31°C	31°C	31°C	32°C
MAY 23	31°C	31°C	31°C	31°C
MAY 24	31°C	31°C	31°C	31°C
MAY 25	32°C	32°C	31°C	32°C
MAY 26	31°C	31°C	31°C	31°C
MAY 27	31°C	31°C	30°C	32°C
MAY 28	31°C	31°C	30°C	31°C
MAY 29	31°C	30°C	30°C	32°C
MAY 30	31°C	30°C	30°C	31°C
MAY 31	31°C	30°C	30°C	31°C

May: Climate and Swimming Opportunities

Average Night Air Temperature

25°C

Average Day Air Temperature

32°C

Precipitation Amount per Month

271 mm

Number of Rainy Days

Daylight per Day

12 hrs

Sunshine per Day

6 hrs

Average Wind Speed

8 km/h

Average Humidity

80%

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.