Measurements:
°C
°F
St. John's
56°F
SE 11 mph
Feels like: 52°F
Precip: 31%
World Resorts Canada St. John's Weather

7 Day Weather Forecast

07.30
thu
DAY
60°F
SE 9 mph
precip
27%
NIGHT
54°F
SE 1 mph
precip
32%
07.31
fri
DAY
58°F
NW 4 mph
precip
29%
NIGHT
56°F
NW 6 mph
precip
42%
08.01
sat
DAY
64°F
NW 6 mph
precip
35%
NIGHT
60°F
E 2 mph
precip
45%
08.02
sun
DAY
66°F
S 7 mph
precip
23%
NIGHT
58°F
N 1 mph
precip
30%
08.03
mon
DAY
70°F
NW 7 mph
precip
11%
NIGHT
62°F
N 6 mph
precip
13%
08.04
tue
DAY
66°F
N 14 mph
precip
27%
NIGHT
64°F
N 8 mph
precip
48%
08.05
wed
DAY
68°F
N 6 mph
precip
41%
NIGHT
56°F
NE 6 mph
precip
23%

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

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for St. John's was 10.6°F. The maximum and minimum values were 8.1°F and 13.3°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 53.0 °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