Measurements:
°C
°F
CURRENT WEATHER
06:37
St. John's
38°F
SW 21 mph
Feels like: 26°F
Precip: 100%
World Resorts Canada St. John's Weather

7 Day Weather Forecast

05.30
sat
DAY
38°F
S 21 mph
precip
100%
NIGHT
36°F
S 18 mph
precip
100%
05.31
sun
DAY
40°F
SW 12 mph
precip
0%
NIGHT
38°F
SW 17 mph
precip
100%
06.01
mon
DAY
38°F
S 23 mph
precip
100%
NIGHT
36°F
SE 17 mph
precip
0%
06.02
tue
DAY
48°F
E 8 mph
precip
0%
NIGHT
42°F
E 21 mph
precip
100%
06.03
wed
DAY
52°F
S 9 mph
precip
0%
NIGHT
36°F
N 5 mph
precip
0%
06.04
thu
DAY
58°F
NE 9 mph
precip
0%
NIGHT
46°F
SE 14 mph
precip
0%
06.05
fri
DAY
48°F
NW 8 mph
precip
0%
NIGHT
44°F
N 7 mph
precip
100%

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

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for St. John's was 2.2°F. The maximum and minimum values were 1.0°F and 3.6°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
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