21.12
sun
sun
Day

81°F
W 17 mph
Precip.
63%
63%
Night

79°F
W 15 mph
Precip.
0%
0%
22.12
mon
mon
Day

81°F
W 14 mph
Precip.
100%
100%
Night

79°F
SW 16 mph
Precip.
100%
100%
23.12
tue
tue
Day

79°F
SW 19 mph
Precip.
100%
100%
Night

79°F
SW 18 mph
Precip.
100%
100%
24.12
wed
wed
Day

79°F
W 14 mph
Precip.
0%
0%
Night

77°F
SW 12 mph
Precip.
81%
81%
25.12
thu
thu
Day

79°F
SW 13 mph
Precip.
76%
76%
Night

77°F
SW 16 mph
Precip.
66%
66%
26.12
fri
fri
Day

79°F
SW 16 mph
Precip.
100%
100%
Night

77°F
SW 16 mph
Precip.
25%
25%
27.12
sat
sat
Day

79°F
W 16 mph
Precip.
69%
69%
Night

77°F
W 14 mph
Precip.
27%
27%
28.12
sun
sun
Day

79°F
W 12 mph
Precip.
42%
42%
Night

77°F
W 9 mph
Precip.
27%
27%
29.12
mon
mon
Day

77°F
W 9 mph
Precip.
100%
100%
Night

77°F
SW 6 mph
Precip.
0%
0%
30.12
tue
tue
Day

79°F
SE 11 mph
Precip.
0%
0%
Night

77°F
NE 19 mph
Precip.
25%
25%
31.12
wed
wed
Day

77°F
S 16 mph
Precip.
84%
84%
Night

75°F
SW 17 mph
Precip.
100%
100%
01.01
thu
thu
Day

77°F
NW 12 mph
Precip.
0%
0%
Night

75°F
SW 12 mph
Precip.
100%
100%
02.01
fri
fri
Day

77°F
SW 8 mph
Precip.
0%
0%
Night

75°F
SW 9 mph
Precip.
69%
69%
03.01
sat
sat
Day

77°F
SW 8 mph
Precip.
0%
0%
Night

75°F
W 7 mph
Precip.
23%
23%
sea water
temperature
temperature
| St John's |
monthly
weather
weather
| St John's |
current
weather
weather
| St John's |
7 days
forecast
forecast
| St John's |
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 81.9°F. The highest and lowest sea temperatures during the month were 82.6°F and 81.5°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 81.4°F. The highest and lowest sea temperatures during the month were 82.2°F and 80.8°F.
Air temperature in St John's, °F
Precipitation total in St John's, in.
* Charts above show average data for the last 3 years.
Best time for vacation in St John's
St John's on a weather map
24 Hours Forecast
St John's
Local time: 04:47
December 21, sunday
0600

79°F
W
17 mph
17 mph
0900

79°F
W
19 mph
19 mph
1200

81°F
W
17 mph
17 mph
1500

81°F
W
19 mph
19 mph
1800

79°F
W
17 mph
17 mph
2100

79°F
W
17 mph
17 mph
December 22, monday
0000

79°F
W
15 mph
15 mph
0300

79°F
SW
15 mph
15 mph

























