Ilha Grande — Water Temperature in July

Water Temperature Range

20°C

minimum

22°C

average

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

July: Climate and Swimming Opportunities

Average Night Air Temperature

14°C

Average Day Air Temperature

24°C

Precipitation Amount per Month

97 mm

Number of Rainy Days

Daylight per Day

11 hrs

Sunshine per Day

5 hrs

Average Wind Speed

8 km/h

Average Humidity

83%

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.