Captiva — Water Temperature in March

Water Temperature Range

18°C

minimum

21°C

average

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

March: Climate and Swimming Opportunities

Average Night Air Temperature

14°C

Average Day Air Temperature

25°C

Precipitation Amount per Month

72 mm

Number of Rainy Days

Daylight per Day

12 hrs

Sunshine per Day

9 hrs

Average Wind Speed

15 km/h

Average Humidity

72%

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.