Rapa Iti — Water Temperature in December

Water Temperature Range

21°C

minimum

23°C

average

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

December: Climate and Swimming Opportunities

Average Night Air Temperature

23°C

Average Day Air Temperature

29°C

Precipitation Amount per Month

258 mm

Number of Rainy Days

Daylight per Day

13 hrs

Sunshine per Day

3 hrs

Average Wind Speed

14 km/h

Average Humidity

87%

At such water and air temperatures, swimming is pleasant and refreshing rather than hot. After you get in, it feels comfortable, and you’ll warm up quickly when you come out.