Bahia Blanca — Water Temperature in May

Water Temperature Range

10°C

minimum

15°C

average

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

May: Climate and Swimming Opportunities

Average Night Air Temperature

7°C

Average Day Air Temperature

16°C

Precipitation Amount per Month

69 mm

Number of Rainy Days

Daylight per Day

10 hrs

Sunshine per Day

5 hrs

Average Wind Speed

17 km/h

Average Humidity

84%

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.