Dunedin — Water Temperature in January

Water Temperature Range

12°C

minimum

16°C

average

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

January: Climate and Swimming Opportunities

Average Night Air Temperature

10°C

Average Day Air Temperature

22°C

Precipitation Amount per Month

68 mm

Number of Rainy Days

Daylight per Day

10 hrs

Sunshine per Day

6 hrs

Average Wind Speed

13 km/h

Average Humidity

75%

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.