Hermanus — Water Temperature in March

Water Temperature Range

15°C

minimum

19°C

average

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

March: Climate and Swimming Opportunities

Average Night Air Temperature

14°C

Average Day Air Temperature

24°C

Precipitation Amount per Month

29 mm

Number of Rainy Days

Daylight per Day

12 hrs

Sunshine per Day

8 hrs

Average Wind Speed

15 km/h

Average Humidity

73%

At such water and air temperatures, swimming feels cool and invigorating. It’s comfortable for a quick dip, and you’ll feel fine as long as you warm up soon after.