Sealers Cove — Water Temperature in December

Water Temperature Range

15°C

minimum

18°C

average

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

Climate and Swimming Opportunities in Sealers Cove in December

Average Day Air Temperature

22°C

Average Night Air Temperature

12°C

Precipitation Amount per Month

60 mm

Number of Rainy Days

Daylight per Day

15 hrs

Sunshine per Day

8 hrs

Average Wind Speed

21 km/h

Average Humidity

57%

At such water and air temperatures, swimming feels cool and invigorating. It’s comfortable for a quick dip, and you’ll feel fine as long as you warm up soon after.