Measurements:
°C
°F
CURRENT WEATHER
04:33
St. John's
18°F
NE 12 mph
Feels like: 4°F
Precip: 0%
World Resorts Canada St. John's Weather

7 Day Weather Forecast

03.30
mon
DAY
30°F
NE 20 mph
precip
100%
NIGHT
30°F
N 25 mph
precip
69%
03.31
tue
DAY
36°F
E 19 mph
precip
0%
NIGHT
22°F
SE 7 mph
precip
72%
04.01
wed
DAY
20°F
W 9 mph
precip
100%
NIGHT
22°F
W 15 mph
precip
100%
04.02
thu
DAY
26°F
S 11 mph
precip
79%
NIGHT
20°F
S 2 mph
precip
100%
04.03
fri
DAY
24°F
SE 14 mph
precip
0%
NIGHT
20°F
SE 6 mph
precip
0%
04.04
sat
DAY
26°F
SE 12 mph
precip
0%
NIGHT
18°F
SE 11 mph
precip
0%
04.05
sun
DAY
26°F
N 7 mph
precip
0%
NIGHT
30°F
N 17 mph
precip
100%

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

Select Year: 2026 2025 2024

The average sea surface temperature in March 2026 for St. John's was 0.1°F. The maximum and minimum values were -0.4°F and 1.4°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 29.6 °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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