Ribeira Grande — Water Temperature in May

Water Temperature Range

15°C

minimum

18°C

average

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

May: Climate and Swimming Opportunities

Average Night Air Temperature

12°C

Average Day Air Temperature

18°C

Precipitation Amount per Month

77 mm

Number of Rainy Days

Daylight per Day

14 hrs

Sunshine per Day

6 hrs

Average Wind Speed

13 km/h

Average Humidity

79%

At such water and air temperatures, swimming often feels chilly and is best for short swims. Getting out can feel cold, so it helps to have dry clothes ready right away.