Garden City — Water Temperature in December

Water Temperature Range

12°C

minimum

15°C

average

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

December: Climate and Swimming Opportunities

Average Night Air Temperature

4°C

Average Day Air Temperature

16°C

Precipitation Amount per Month

86 mm

Number of Rainy Days

Daylight per Day

10 hrs

Sunshine per Day

6 hrs

Average Wind Speed

14 km/h

Average Humidity

71%

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.