Praia Grande — Water Temperature in August

Water Temperature Range

17°C

minimum

21°C

average

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

August: Climate and Swimming Opportunities

Average Night Air Temperature

17°C

Average Day Air Temperature

24°C

Precipitation Amount per Month

78 mm

Number of Rainy Days

Daylight per Day

11 hrs

Sunshine per Day

5 hrs

Average Wind Speed

9 km/h

Average Humidity

77%

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.