29.12
mon
mon
Day
34°F
S 22 mph
Precip.
100%
100%
Night
34°F
SE 6 mph
Precip.
0%
0%
30.12
tue
tue
Day
37°F
NW 1 mph
Precip.
0%
0%
Night
32°F
NE 10 mph
Precip.
0%
0%
31.12
wed
wed
Day
34°F
N 8 mph
Precip.
100%
100%
Night
30°F
NE 7 mph
Precip.
0%
0%
01.01
thu
thu
Day
36°F
NW 14 mph
Precip.
0%
0%
Night
39°F
N 25 mph
Precip.
100%
100%
02.01
fri
fri
Day
32°F
E 9 mph
Precip.
0%
0%
Night
30°F
SW 7 mph
Precip.
0%
0%
03.01
sat
sat
Day
30°F
NW 17 mph
Precip.
100%
100%
Night
30°F
NE 15 mph
Precip.
0%
0%
04.01
sun
sun
Day
36°F
NW 22 mph
Precip.
100%
100%
Night
32°F
E 16 mph
Precip.
81%
81%
sea water
temperature
temperature
| St. John's |
monthly
weather
weather
| St. John's |
current
weather
weather
| St. John's |
14 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 37.7°F. The highest and lowest sea temperatures during the month were 41.5°F and 35.4°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 35.0°F. The highest and lowest sea temperatures during the month were 36.9°F and 33.4°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
Places in Canada:
Name
°F
24 Hours Forecast
St. John's
Local time: 04:26
December 29, monday
0600
32°F
S
15 mph
15 mph
0900
32°F
S
19 mph
19 mph
1200
34°F
S
22 mph
22 mph
1500
34°F
S
17 mph
17 mph
1800
34°F
S
11 mph
11 mph
2100
34°F
SE
6 mph
6 mph
December 30, tuesday
0000
34°F
SE
6 mph
6 mph
0300
34°F
S
6 mph
6 mph
