05.19
tue
tue
DAY

82°F
NE 16 mph
precip
0%
0%
NIGHT

68°F
NE 11 mph
precip
100%
100%
05.20
wed
wed
DAY

58°F
SE 10 mph
precip
0%
0%
NIGHT

48°F
SE 9 mph
precip
0%
0%
05.21
thu
thu
DAY

52°F
W 7 mph
precip
0%
0%
NIGHT

48°F
SW 2 mph
precip
0%
0%
05.22
fri
fri
DAY

56°F
W 11 mph
precip
0%
0%
NIGHT

52°F
W 7 mph
precip
0%
0%
05.23
sat
sat
DAY

54°F
W 14 mph
precip
69%
69%
NIGHT

52°F
W 12 mph
precip
22%
22%
05.24
sun
sun
DAY

52°F
W 9 mph
precip
76%
76%
NIGHT

54°F
NW 5 mph
precip
67%
67%
05.25
mon
mon
DAY

54°F
NW 5 mph
precip
100%
100%
NIGHT

56°F
NW 5 mph
precip
100%
100%
Weather in
May
May
| Toronto |
14 day weather
forecast
forecast
| Toronto |
Monthly weather
averages
averages
| Toronto |
Sea water
temperature
temperature
| Toronto |
Toronto Sea Water Temperature in May, °F
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.
Canada Resorts:
NAME
F°
| Bonavista | ![]() |
+38 |
| Halifax | ![]() |
+52 |
| Les Iles-de-la-Madeleine | ![]() |
+44 |
| Montreal | ![]() |
+74 |
| Ottawa | ![]() |
+74 |
| Prince Edward Island | ![]() |
+52 |
| Quebec | ![]() |
+52 |
| Saint John | ![]() |
+48 |
| Sydney | ![]() |
+42 |
| Thunder Bay | ![]() |
+40 |
| Tofino | ![]() |
+52 |
| Toronto | ![]() |
+72 |
| Vancouver | ![]() |
+52 |
| Victoria | ![]() |
+50 |
| Winnipeg | ![]() |
+38 |






























