Beihai — Water Temperature in May

Water Temperature Range

23°C

minimum

28°C

average

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

May: Climate and Swimming Opportunities

Average Night Air Temperature

24°C

Average Day Air Temperature

31°C

Precipitation Amount per Month

192 mm

Number of Rainy Days

Daylight per Day

13 hrs

Sunshine per Day

6 hrs

Average Wind Speed

10 km/h

Average Humidity

81%

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.