Alexander Bay Sea Temperature in December

Looking to find out what the average sea water temperature in Alexander Bay is for December? Find out what the lowest, highest, and average water temperatures are for Alexander Bay over the past 10 years.

Average water temperature in Alexander Bay for December

The average, high, and low temperatures below should help you if you can swim in the water in Alexander Bay in December.

16.39° C

(61.51° F)

highest: 19.75° C (67.55° F)
lowest: 13.24° C (55.83° F)

At this temperature, water will feel cold compared to a swimming pool, but with a bit of experience and practice most people will find the water relatively comfortable to swim in.

Water temperature range by day in December in Alexander Bay

The chart below shows the range of low and high temperatures by day for the month of December in Alexander Bay.

Water temperatures for December in Alexander Bay in recent years

Day	2024	2023	2022	2021
1	0° C	15.93° C	15.9° C	17.13° C
2	0° C	16.04° C	15.85° C	16.72° C
3	0° C	15.85° C	14.87° C	15.93° C
4	0° C	15.36° C	14.29° C	15.48° C
5	0° C	14.79° C	14.27° C	15.36° C
6	0° C	14.74° C	14.39° C	15.2° C
7	0° C	15.51° C	14.7° C	14.81° C
8	0° C	16.36° C	15.12° C	14.87° C
9	0° C	16.05° C	15.94° C	15.38° C
10	0° C	15.62° C	16.97° C	15.86° C
11	0° C	15.21° C	17.2° C	16.11° C
12	0° C	14.37° C	17.32° C	16.42° C
13	0° C	13.78° C	17.86° C	16.3° C
14	0° C	13.9° C	17.55° C	15.9° C
15	0° C	13.95° C	17.16° C	15.64° C
16	0° C	14.15° C	15.59° C	14.69° C
17	0° C	14.45° C	15.1° C	14.12° C
18	0° C	14.48° C	16.63° C	13.86° C
19	0° C	14.05° C	17.76° C	14.09° C
20	0° C	13.84° C	17.47° C	15.52° C
21	0° C	14.23° C	16.91° C	16.98° C
22	0° C	14.95° C	17.3° C	17.53° C
23	0° C	15.31° C	17.86° C	17.9° C
24	0° C	14.94° C	17.83° C	17.87° C
25	0° C	14.8° C	16.96° C	18.3° C
26	0° C	15.06° C	16.02° C	18.87° C
27	0° C	15.72° C	16.07° C	19.16° C
28	0° C	16.81° C	16.01° C	19.39° C
29	0° C	17.47° C	14.84° C	19.19° C
30	0° C	17.86° C	13.86° C	18.91° C
31	0° C	18.06° C	14° C	18.53° C

Data source and citation

Raw data for the calculations made to find the sea surface temperature in Alexander Bay comes from the National Oceanic and Atmospheric Administration (NOAA) and their 1/4° daily Optimum Interpolation Sea Surface Temperature.

The water temperature data is constructed by combining observations from different platforms (satellites, ships, buoys, and Argo floats) on a regular global grid. A spatially complete sea surface temperature map is then built by interpolating to fill in gaps in the data.

If you'd like to use any of the information above in the format it is presented, please use the citation tool below.

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