Measurements:
°C
°F
St. John's
32°F
NE 11 mph
Feels like: 22°F
Precip: 0%
World Resorts Canada St. John's Weather

7 Day Weather Forecast

03.09
mon
DAY
36°F
E 27 mph
precip
0%
NIGHT
32°F
NE 11 mph
precip
0%
03.10
tue
DAY
46°F
NE 24 mph
precip
0%
NIGHT
32°F
E 9 mph
precip
0%
03.11
wed
DAY
32°F
S 11 mph
precip
0%
NIGHT
22°F
W 9 mph
precip
63%
03.12
thu
DAY
30°F
NW 12 mph
precip
100%
NIGHT
44°F
NE 20 mph
precip
100%
03.13
fri
DAY
40°F
NE 16 mph
precip
100%
NIGHT
22°F
E 21 mph
precip
0%
03.14
sat
DAY
28°F
E 13 mph
precip
0%
NIGHT
24°F
W 17 mph
precip
100%
03.15
sun
DAY
24°F
S 23 mph
precip
100%
NIGHT
16°F
E 5 mph
precip
0%

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

Select Year: 2025 2024 2023

The average sea surface temperature in March 2025 for St. John's was 0.3°F. The maximum and minimum values were -0.3°F and 1.3°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 53.3 °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
January 15 mph
December 15 mph