Arauco — Water Temperature in October

Water Temperature Range

10°C

minimum

13°C

average

15°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	2025	2024	2023	2022
OCT 1	13°C	13°C	13°C	14°C
OCT 2	14°C	13°C	13°C	14°C
OCT 3	13°C	12°C	13°C	13°C
OCT 4	12°C	12°C	12°C	14°C
OCT 5	13°C	12°C	13°C	14°C
OCT 6	13°C	12°C	12°C	14°C
OCT 7	13°C	13°C	12°C	14°C
OCT 8	13°C	12°C	12°C	14°C
OCT 9	13°C	11°C	13°C	14°C
OCT 10	12°C	11°C	13°C	14°C
OCT 11	12°C	11°C	13°C	13°C
OCT 12	13°C	12°C	13°C	14°C
OCT 13	13°C	12°C	13°C	14°C
OCT 14	13°C	12°C	13°C	14°C
OCT 15	13°C	11°C	13°C	14°C
OCT 16	12°C	11°C	12°C	14°C
OCT 17	13°C	11°C	12°C	14°C
OCT 18	13°C	11°C	12°C	14°C
OCT 19	13°C	12°C	13°C	14°C
OCT 20	13°C	12°C	13°C	14°C
OCT 21	13°C	12°C	13°C	14°C
OCT 22	13°C	12°C	13°C	14°C
OCT 23	13°C	11°C	13°C	14°C
OCT 24	13°C	12°C	13°C	14°C
OCT 25	13°C	13°C	13°C	14°C
OCT 26	13°C	13°C	13°C	14°C
OCT 27	13°C	12°C	13°C	15°C
OCT 28	13°C	12°C	13°C	14°C
OCT 29	14°C	12°C	13°C	15°C
OCT 30	13°C	12°C	14°C	14°C
OCT 31	13°C	12°C	13°C	14°C

October: Climate and Swimming Opportunities

Average Night Air Temperature

5°C

Average Day Air Temperature

14°C

Precipitation Amount per Month

146 mm

Number of Rainy Days

Daylight per Day

13 hrs

Sunshine per Day

8 hrs

Average Wind Speed

10 km/h

Average Humidity

70%

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.