Itapoa — Water Temperature in May

Water Temperature Range

20°C

minimum

23°C

average

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

May: Climate and Swimming Opportunities

Average Night Air Temperature

10°C

Average Day Air Temperature

22°C

Precipitation Amount per Month

105 mm

Number of Rainy Days

Daylight per Day

11 hrs

Sunshine per Day

5 hrs

Average Wind Speed

5 km/h

Average Humidity

82%

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.