Christchurch — Water Temperature in January

Water Temperature Range

13°C

minimum

16°C

average

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

January: Climate and Swimming Opportunities

Average Night Air Temperature

12°C

Average Day Air Temperature

22°C

Precipitation Amount per Month

51 mm

Number of Rainy Days

Daylight per Day

15 hrs

Sunshine per Day

7 hrs

Average Wind Speed

19 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.