25.12
thu
thu
Day
79°F
SW 9 mph
Precip.
62%
62%
Night
77°F
SW 13 mph
Precip.
81%
81%
26.12
fri
fri
Day
79°F
SW 10 mph
Precip.
100%
100%
Night
77°F
SW 11 mph
Precip.
64%
64%
27.12
sat
sat
Day
79°F
W 11 mph
Precip.
0%
0%
Night
77°F
W 9 mph
Precip.
100%
100%
28.12
sun
sun
Day
79°F
W 7 mph
Precip.
0%
0%
Night
77°F
SW 9 mph
Precip.
0%
0%
29.12
mon
mon
Day
79°F
W 12 mph
Precip.
0%
0%
Night
77°F
W 13 mph
Precip.
0%
0%
30.12
tue
tue
Day
79°F
W 15 mph
Precip.
0%
0%
Night
77°F
W 14 mph
Precip.
0%
0%
31.12
wed
wed
Day
79°F
W 15 mph
Precip.
72%
72%
Night
77°F
W 14 mph
Precip.
0%
0%
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 81.8°F. The highest and lowest sea temperatures during the month were 82.6°F and 81.3°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: 15:21
December 25, thursday
1800
77°F
SW
14 mph
14 mph
2100
77°F
SW
14 mph
14 mph
December 26, friday
0000
77°F
SW
13 mph
13 mph
0300
77°F
SW
12 mph
12 mph
0600
77°F
SW
11 mph
11 mph
0900
77°F
SW
11 mph
11 mph
1200
79°F
SW
10 mph
10 mph
1500
79°F
SW
10 mph
10 mph
