Prainha — Water Temperature in October

Water Temperature Range

16°C

minimum

20°C

average

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

October: Climate and Swimming Opportunities

Average Night Air Temperature

15°C

Average Day Air Temperature

23°C

Precipitation Amount per Month

61 mm

Number of Rainy Days

Daylight per Day

11 hrs

Sunshine per Day

7 hrs

Average Wind Speed

12 km/h

Average Humidity

73%

With such a ratio between the average monthly temperatures of water and air, swimming feels warm and comfortable even if the day isn’t hot. The water can feel warmer than the air, so getting out may feel a bit cool.