Kai Iwi Beach — Water Temperature in January

Water Temperature Range

15°C

minimum

18°C

average

21°C

maximum

Water Temperature Chart for January

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

	2026	2025	2024	2023
JAN 1	17°C	16°C	19°C	18°C
JAN 2	17°C	16°C	17°C	18°C
JAN 3	16°C	17°C	17°C	18°C
JAN 4	17°C	18°C	17°C	19°C
JAN 5	17°C	17°C	18°C	19°C
JAN 6	18°C	18°C	18°C	19°C
JAN 7	16°C	17°C	18°C	18°C
JAN 8	17°C	17°C	18°C	18°C
JAN 9	16°C	17°C	18°C	18°C
JAN 10	17°C	17°C	18°C	18°C
JAN 11	16°C	17°C	19°C	18°C
JAN 12	17°C	16°C	18°C	18°C
JAN 13	17°C	16°C	19°C	18°C
JAN 14	17°C	17°C	18°C	19°C
JAN 15	17°C	17°C	18°C	19°C
JAN 16	17°C	17°C	19°C	20°C
JAN 17	18°C	17°C	19°C	20°C
JAN 18	19°C	16°C	19°C	20°C
JAN 19	18°C	17°C	19°C	20°C
JAN 20	18°C	17°C	18°C	20°C
JAN 21	18°C	16°C	18°C	19°C
JAN 22	18°C	17°C	18°C	19°C
JAN 23	17°C	16°C	18°C	19°C
JAN 24	17°C	16°C	18°C	19°C
JAN 25	18°C	16°C	17°C	19°C
JAN 26	18°C	17°C	17°C	19°C
JAN 27	18°C	17°C	17°C	20°C
JAN 28	18°C	18°C	17°C	20°C
JAN 29	18°C	18°C	17°C	20°C
JAN 30	19°C	18°C	17°C	20°C
JAN 31	19°C	17°C	18°C	20°C

Climate and Swimming Opportunities in Kai Iwi Beach in January

Average Day Air Temperature

23°C

Average Night Air Temperature

14°C

Precipitation Amount per Month

93 mm

Number of Rainy Days

Daylight per Day

14 hrs

Sunshine per Day

8 hrs

Average Wind Speed

18 km/h

Average Humidity

80%

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.