Koggalla — Water Temperature in December

Water Temperature Range

26°C

minimum

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

December: Climate and Swimming Opportunities

Average Night Air Temperature

23°C

Average Day Air Temperature

30°C

Precipitation Amount per Month

181 mm

Number of Rainy Days

Daylight per Day

12 hrs

Sunshine per Day

6 hrs

Average Wind Speed

11 km/h

Average Humidity

79%

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.