Measurements:
°C
°F
CURRENT WEATHER
09:08
St. John's
48°F
E 9 mph
Feels like: 42°F
Precip: 0%
World Resorts Canada St. John's Weather

14 Day Weather Forecast

05.09
sat
DAY
52°F
E 8 mph
precip
0%
NIGHT
38°F
E 4 mph
precip
0%
05.10
sun
DAY
50°F
NW 5 mph
precip
0%
NIGHT
36°F
N 6 mph
precip
0%
05.11
mon
DAY
44°F
NW 10 mph
precip
0%
NIGHT
32°F
N 8 mph
precip
0%
05.12
tue
DAY
42°F
N 11 mph
precip
65%
NIGHT
42°F
N 20 mph
precip
100%
05.13
wed
DAY
46°F
N 12 mph
precip
0%
NIGHT
40°F
NE 14 mph
precip
0%
05.14
thu
DAY
56°F
E 14 mph
precip
0%
NIGHT
44°F
NE 9 mph
precip
0%
05.15
fri
DAY
52°F
N 11 mph
precip
0%
NIGHT
40°F
NW 8 mph
precip
100%
05.16
sat
DAY
48°F
N 10 mph
precip
100%
NIGHT
48°F
NE 7 mph
precip
0%
05.17
sun
DAY
44°F
SW 1 mph
precip
100%
NIGHT
42°F
N 9 mph
precip
65%
05.18
mon
DAY
44°F
NE 7 mph
precip
100%
NIGHT
40°F
NE 14 mph
precip
0%
05.19
tue
DAY
48°F
NE 17 mph
precip
83%
NIGHT
40°F
NE 8 mph
precip
0%
05.20
wed
DAY
44°F
E 11 mph
precip
100%
NIGHT
38°F
NE 12 mph
precip
61%
05.21
thu
DAY
44°F
SE 9 mph
precip
0%
NIGHT
38°F
N 3 mph
precip
0%
05.22
fri
DAY
46°F
NW 9 mph
precip
0%
NIGHT
38°F
N 6 mph
precip
0%

St. John's Sea Water Temperature in May, °F

Select Year: 2025 2024 2023

The average sea surface temperature in May 2025 for St. John's was 35.3°F. The maximum and minimum values were 32.8°F and 37.2°F respectively.

St. John's on the Weather Map

Best Time to Visit St. John's
The most sunny months:
August 9 days
September 7 days
July 7 days
The most warm months:
August 67.9 °F
July 66.2 °F
September 61.4 °F
Warmest sea temperature:
August 60.3 °F
September 57.8 °F
July 53.3 °F
The most cold months:
February 25.7 °F
January 28.0 °F
March 29.7 °F
The most rainy months:
November 6 days
August 3 days
May 3 days
The most windy months:
February 16 mph
March 15 mph
January 15 mph
more details
24 Hours Weather Forecast
St. John's
Local time: 09:08
09 may, saturday
1200 52°F
E
8 mph
1500 54°F
E
7 mph
1800 48°F
E
11 mph
2100 40°F
E
6 mph
10 may, sunday
0000 38°F
E
4 mph
0300 36°F
E
6 mph
0600 38°F
NE
2 mph
0900 48°F
N
2 mph