Alys Beach — Water Temperature in April

Water Temperature Range

18°C

minimum

21°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	2026	2025	2024	2023
APR 1	-10°C	20°C	19°C	21°C
APR 2	20°C	19°C	19°C	20°C
APR 3	20°C	20°C	20°C	20°C
APR 4	21°C	20°C	20°C	20°C
APR 5	21°C	20°C	21°C	19°C
APR 6	21°C	19°C	20°C	19°C
APR 7	22°C	20°C	21°C	20°C
APR 8	22°C	20°C	22°C	19°C
APR 9	21°C	20°C	22°C	19°C
APR 10	21°C	21°C	22°C	20°C
APR 11	21°C	21°C	22°C	20°C
APR 12	21°C	21°C	21°C	21°C
APR 13	21°C	21°C	21°C	21°C
APR 14	21°C	21°C	21°C	21°C
APR 15	21°C	21°C	20°C	21°C
APR 16	21°C	21°C	21°C	21°C
APR 17	22°C	22°C	21°C	21°C
APR 18	22°C	22°C	21°C	21°C
APR 19	23°C	22°C	21°C	21°C
APR 20	23°C	21°C	20°C	21°C
APR 21	23°C	22°C	21°C	21°C
APR 22	22°C	22°C	21°C	22°C
APR 23	22°C	22°C	21°C	21°C
APR 24	22°C	22°C	21°C	21°C
APR 25	22°C	22°C	22°C	21°C
APR 26	22°C	22°C	22°C	20°C
APR 27	22°C	23°C	23°C	21°C
APR 28	23°C	23°C	23°C	21°C
APR 29	23°C	23°C	23°C	22°C
APR 30	23°C	24°C	24°C	22°C

April: Climate and Swimming Opportunities

Average Night Air Temperature

13°C

Average Day Air Temperature

24°C

Precipitation Amount per Month

96 mm

Number of Rainy Days

Daylight per Day

13 hrs

Sunshine per Day

9 hrs

Average Wind Speed

13 km/h

Average Humidity

71%

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.