Milne Bay — Water Temperature in December

Water Temperature Range

25°C

minimum

29°C

average

32°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	2025	2024	2023	2022
DEC 1	27°C	27°C	27°C	27°C
DEC 2	28°C	28°C	28°C	28°C
DEC 3	28°C	28°C	28°C	27°C
DEC 4	28°C	28°C	28°C	28°C
DEC 5	29°C	29°C	28°C	29°C
DEC 6	28°C	28°C	28°C	27°C
DEC 7	28°C	28°C	28°C	27°C
DEC 8	28°C	28°C	28°C	27°C
DEC 9	28°C	28°C	27°C	28°C
DEC 10	28°C	28°C	28°C	27°C
DEC 11	28°C	28°C	28°C	27°C
DEC 12	29°C	29°C	30°C	27°C
DEC 13	29°C	29°C	30°C	27°C
DEC 14	28°C	28°C	29°C	27°C
DEC 15	29°C	29°C	30°C	27°C
DEC 16	29°C	29°C	30°C	27°C
DEC 17	28°C	28°C	29°C	27°C
DEC 18	29°C	29°C	30°C	27°C
DEC 19	29°C	29°C	30°C	27°C
DEC 20	28°C	28°C	29°C	27°C
DEC 21	28°C	28°C	28°C	28°C
DEC 22	28°C	28°C	28°C	27°C
DEC 23	29°C	29°C	28°C	29°C
DEC 24	28°C	28°C	28°C	27°C
DEC 25	29°C	29°C	29°C	28°C
DEC 26	29°C	29°C	29°C	28°C
DEC 27	29°C	29°C	29°C	28°C
DEC 28	30°C	30°C	30°C	29°C
DEC 29	30°C	30°C	30°C	30°C
DEC 30	30°C	30°C	30°C	29°C
DEC 31	30°C	30°C	29°C	30°C

December: Climate and Swimming Opportunities

Average Night Air Temperature

24°C

Average Day Air Temperature

31°C

Precipitation Amount per Month

180 mm

Number of Rainy Days

Daylight per Day

13 hrs

Sunshine per Day

8 hrs

Average Wind Speed

13 km/h

Average Humidity

65%

At such water and air temperatures, swimming feels truly comfortable and relaxing. The warm water won’t cool you down, so you can stay in for a long time without getting chilled.

Water Temperature in Nearby Locations

Alotau