Jeffreys Bay — Water Temperature in January

Water Temperature Range

17°C

minimum

21°C

average

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

January: Climate and Swimming Opportunities

Average Night Air Temperature

17°C

Average Day Air Temperature

25°C

Precipitation Amount per Month

50 mm

Number of Rainy Days

Daylight per Day

14 hrs

Sunshine per Day

9 hrs

Average Wind Speed

16 km/h

Average Humidity

74%

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.