Toronto Weather in May
In May, Toronto averages a high of 18°C (65°F) and a low of 10°C (50°F), based on 55 years of historical weather data from TORONTO CITY CENTRE.
18°C
Average high
65°F
10°C
Average low
50°F
33°C
Record high
92°F · 1977
-2°C
Record low
28°F · 2020
What to Expect in Toronto in May
Typical May days in Toronto reach 18°C (65°F) during the afternoon and cool to around 10°C (50°F) overnight. On average, measurable rain falls on about 41% of days this month. Over the past 55 years, May temperatures in Toronto have ranged from a record high of 33°C (1977) down to a record low of -2°C (2020).
For a day-by-day look or other months, see the full Toronto weather history.