Ōtaki Beach — Water Temperature in December

Water Temperature Range

13°C

minimum

15°C

average

20°C

maximum

Water Temperature Chart for December

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

	2025	2024	2023	2022
DEC 1	15°C	15°C	15°C	14°C
DEC 2	15°C	15°C	15°C	14°C
DEC 3	15°C	15°C	15°C	14°C
DEC 4	15°C	15°C	15°C	15°C
DEC 5	15°C	14°C	15°C	14°C
DEC 6	14°C	14°C	14°C	13°C
DEC 7	15°C	16°C	14°C	14°C
DEC 8	15°C	15°C	15°C	13°C
DEC 9	15°C	16°C	14°C	15°C
DEC 10	15°C	15°C	15°C	14°C
DEC 11	15°C	15°C	14°C	15°C
DEC 12	15°C	16°C	14°C	15°C
DEC 13	15°C	16°C	14°C	15°C
DEC 14	15°C	15°C	14°C	14°C
DEC 15	15°C	15°C	14°C	14°C
DEC 16	15°C	16°C	14°C	14°C
DEC 17	15°C	15°C	16°C	14°C
DEC 18	15°C	16°C	15°C	14°C
DEC 19	16°C	16°C	16°C	15°C
DEC 20	15°C	15°C	15°C	15°C
DEC 21	16°C	16°C	15°C	15°C
DEC 22	15°C	16°C	15°C	15°C
DEC 23	15°C	15°C	15°C	15°C
DEC 24	15°C	15°C	15°C	16°C
DEC 25	16°C	16°C	15°C	16°C
DEC 26	15°C	16°C	15°C	15°C
DEC 27	16°C	16°C	16°C	16°C
DEC 28	16°C	16°C	16°C	16°C
DEC 29	15°C	15°C	15°C	15°C
DEC 30	15°C	15°C	15°C	15°C
DEC 31	16°C	15°C	16°C	15°C

Climate and Swimming Opportunities in Ōtaki Beach in December

Average Day Air Temperature

21°C

Average Night Air Temperature

12°C

Precipitation Amount per Month

93 mm

Number of Rainy Days

Daylight per Day

15 hrs

Sunshine per Day

7 hrs

Average Wind Speed

22 km/h

Average Humidity

78%

With such a ratio between the average monthly temperatures of water and air, swimming feels very cold and is only for cold-water enthusiasts. Most people will prefer just a brief splash, because warming up afterward can take time.