Avilés — Water Temperature in May

Water Temperature Range

12°C

minimum

15°C

average

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

May: Climate and Swimming Opportunities

Average Night Air Temperature

12°C

Average Day Air Temperature

19°C

Precipitation Amount per Month

74 mm

Number of Rainy Days

Daylight per Day

15 hrs

Sunshine per Day

5 hrs

Average Wind Speed

10 km/h

Average Humidity

78%

With such a ratio between the average monthly temperatures of water and air, swimming feels very cold and is only for cold-water enthusiasts. Most people will prefer just a brief splash, because warming up afterward can take time.