Buenos Aires — Water Temperature in October

Water Temperature Range

13°C

minimum

18°C

average

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

October: Climate and Swimming Opportunities

Average Night Air Temperature

13°C

Average Day Air Temperature

19°C

Precipitation Amount per Month

119 mm

Number of Rainy Days

Daylight per Day

13 hrs

Sunshine per Day

7 hrs

Average Wind Speed

17 km/h

Average Humidity

72%

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.