Measurements:
°C
°F
CURRENT WEATHER
05:06
St. John's
32°F
SE 22 mph
Feels like: 18°F
Precip: 82%
World Resorts Canada St. John's Weather

St. John's Sea Water Temperature

Current Sea Water Temperature:
+33.2°F
Maximum Sea Water Temperature in May: 42.0°F
Minimum Sea Water Temperature in May: 30.2°F
Average water temperature in May: 35.6°F
detailed information

Sea Water Temperature for the Last 10 Days:

May 02 33.2°F April 27 32.0°F
May 01 33.6°F April 26 32.6°F
April 30 32.4°F April 25 32.8°F
April 29 31.4°F April 24 32.6°F
April 28 31.8°F April 23 32.8°F

When is the Warmest Sea for St. John's?

According to our data for the last three years for St. John's the highest average sea water temperature was in August, September and July.

Average Water Temperature by Month, °F

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0
10
20
30
40
50
60
70
80
37.3
43.7
52
58
60.5
53.3
43.2
35.6
31.7
30.2
30.7
32.8

Sea Water Temperature in August

Select Year: 2024 2023 2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
51
54
57
60
63
66
69
72

The average sea surface temperature in August 2024 for St. John's was 62.2°F. The maximum and minimum values were 59.0°F and 64.2°F respectively.

Sea Water Temperature in September

Select Year: 2024 2023 2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
48
52
56
60
64
68
72

The average sea surface temperature in September 2024 for St. John's was 60.6°F. The maximum and minimum values were 55.6°F and 63.2°F respectively.

Sea Water Temperature in July

Select Year: 2024 2023 2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
39
43
47
51
55
59
63
67

The average sea surface temperature in July 2024 for St. John's was 55.1°F. The maximum and minimum values were 49.8°F and 60.0°F respectively.

Best Time to Visit St. John's
The most sunny months:
August 8 days
October 7 days
September 7 days
The most warm months:
August 67.8 °F
July 65.6 °F
September 61.5 °F
Warmest sea temperature:
August 60.6 °F
September 58.0 °F
July 53.3 °F
The most cold months:
February 25.3 °F
January 28.0 °F
March 29.7 °F
The most rainy months:
November 5 days
May 4 days
June 4 days
The most windy months:
February 16 mph
March 15 mph
January 15 mph
more details

St. John's on the Weather Map

Canada Resorts:
NAME
F°
Halifax +42
Hamilton +54
Montreal +50
Niagara Falls +56
Ottawa +48
Prince Edward Island +34
Quebec +46
Saint John +44
St. John's +32
Sydney +34
Toronto +46
Vancouver +60
Victoria +54
Winnipeg +44
Yellowknife +28
all resorts
24 Hours Weather Forecast
St. John's
Local time: 05:06
02 may, friday
0600 32°F
SE
22 mph
0900 32°F
SE
22 mph
1200 36°F
SE
21 mph
1500 38°F
SE
17 mph
1800 36°F
S
16 mph
2100 34°F
SE
11 mph
03 may, saturday
0000 34°F
SE
8 mph
0300 34°F
SE
7 mph