São Bartolomeu do Mar — Water Temperature in April

Water Temperature Range

12°C

minimum

15°C

average

17°C

maximum

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

April: Climate and Swimming Opportunities

Average Night Air Temperature

9°C

Average Day Air Temperature

18°C

Precipitation Amount per Month

107 mm

Number of Rainy Days

Daylight per Day

13 hrs

Sunshine per Day

7 hrs

Average Wind Speed

11 km/h

Average Humidity

74%

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.