Measurements:
°C
°F
Toronto
72°F
NE 11 mph
Feels like: 72°F
Precip: 0%
World Resorts Canada Toronto Weather

7 Day Weather Forecast

05.19
tue
DAY
82°F
NE 16 mph
precip
0%
NIGHT
68°F
NE 11 mph
precip
100%
05.20
wed
DAY
58°F
SE 10 mph
precip
0%
NIGHT
48°F
SE 9 mph
precip
0%
05.21
thu
DAY
52°F
W 7 mph
precip
0%
NIGHT
48°F
SW 2 mph
precip
0%
05.22
fri
DAY
56°F
W 11 mph
precip
0%
NIGHT
52°F
W 7 mph
precip
0%
05.23
sat
DAY
54°F
W 14 mph
precip
69%
NIGHT
52°F
W 12 mph
precip
22%
05.24
sun
DAY
52°F
W 9 mph
precip
76%
NIGHT
54°F
NW 5 mph
precip
67%
05.25
mon
DAY
54°F
NW 5 mph
precip
100%
NIGHT
56°F
NW 5 mph
precip
100%

Toronto Sea Water Temperature in May, °F

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Toronto was 5.2°F. The maximum and minimum values were 4.1°F and 6.3°F respectively.

Toronto on the Weather Map

Best Time to Visit Toronto
The most sunny months:
July 17 days
August 17 days
September 15 days
The most warm months:
July 82.9 °F
August 81.4 °F
June 74.6 °F
Warmest sea temperature:
August 69.3 °F
July 66.5 °F
September 66.3 °F
The most cold months:
January 24.7 °F
February 25.8 °F
December 32.9 °F
The most rainy months:
June 4 days
October 4 days
April 4 days
The most windy months:
January 11 mph
February 11 mph
November 11 mph