Port Saint Johns — Water Temperature in October

Water Temperature Range

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

October: Climate and Swimming Opportunities

Average Night Air Temperature

17°C

Average Day Air Temperature

24°C

Precipitation Amount per Month

116 mm

Number of Rainy Days

Daylight per Day

13 hrs

Sunshine per Day

6 hrs

Average Wind Speed

15 km/h

Average Humidity

80%

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.