Gladden Spit Sea Temperature in December

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

Average water temperature in Gladden Spit for December

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

27.59° C

(81.67° F)

highest: 28.71° C (83.68° F)
lowest: 26.25° C (79.25° F)

This water temperature is comparable to that of a swimming pool, but it might be higher than most open water swimmers prefer for serious swimming. Make sure to drink plenty of water before and after swimming and don't wear a wetsuit to avoid overheating.

Water temperature range by day in December in Gladden Spit

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

Water temperatures for December in Gladden Spit in recent years

Day	2024	2023	2022	2021
1	0° C	28.69° C	28.44° C	27.98° C
2	0° C	28.73° C	28.36° C	27.95° C
3	0° C	28.63° C	28.37° C	27.99° C
4	0° C	28.73° C	28.3° C	28.03° C
5	0° C	28.72° C	28.19° C	28.03° C
6	0° C	28.72° C	28.14° C	28.07° C
7	0° C	28.56° C	28.1° C	28.05° C
8	0° C	28.52° C	28.08° C	28.04° C
9	0° C	28.51° C	28.07° C	28° C
10	0° C	28.51° C	27.95° C	28.12° C
11	0° C	28.47° C	27.87° C	28.15° C
12	0° C	28.42° C	27.82° C	28.16° C
13	0° C	28.26° C	27.7° C	28.09° C
14	0° C	28.2° C	27.74° C	28.03° C
15	0° C	28.17° C	27.89° C	27.96° C
16	0° C	28.17° C	27.92° C	27.84° C
17	0° C	28.12° C	27.97° C	27.88° C
18	0° C	28° C	28.07° C	27.87° C
19	0° C	27.94° C	28.06° C	27.85° C
20	0° C	27.9° C	27.96° C	27.85° C
21	0° C	27.8° C	27.89° C	27.76° C
22	0° C	27.74° C	27.86° C	27.75° C
23	0° C	27.63° C	27.81° C	27.69° C
24	0° C	27.58° C	27.8° C	27.66° C
25	0° C	27.54° C	27.74° C	27.62° C
26	0° C	27.56° C	27.66° C	27.61° C
27	0° C	27.67° C	27.52° C	27.58° C
28	0° C	27.62° C	27.45° C	27.57° C
29	0° C	27.56° C	27.41° C	27.6° C
30	0° C	27.45° C	27.29° C	27.66° C
31	0° C	27.35° C	27.24° C	27.66° C