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Climate · Toronto

Toronto in May

Mild and damp, as the days lengthen.

Typical weather, averaged over 30 years

May in Toronto is mild: highs near 64°F, lows near 47°F. Rain falls on about two days a week, less often as the month goes on, and the days lengthen by 58 minutes from the first week to the last.May in Toronto is mild: highs near 18°C, lows near 8°C. Rain falls on about two days a week, less often as the month goes on, and the days lengthen by 58 minutes from the first week to the last.

High
64°F18°Caverage
Low
47°F8°Caverage
Wet days
2a week · 34% of days
Daylight
14h 42mon average

Is May a good time to visit Toronto?

May sits outside Toronto's best months, which run from June to September. Expect mild days and rain on about two days a week.

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

How May sits in the year

week by week

Temperature

Highs near 64°F in May, against 34°F to 81°F through the year.Highs near 18°C in May, against 1°C to 27°C through the year.

Chance of a wet day

34% of days in May, against 29% to 41% through the year.

Cloud cover

54% cover in May, against 39% to 69% through the year.

Daylight

14h 42m in May, against 8h 59m to 15h 23m through the year.

Week by week, lightly smoothed, with May shaded. The olive line marks the best months. Hover or tap a week for its figures.

Either side

  1. April53°12°low 36°low 2°3 wet days a weekRain on about three days a week.
  2. May64°18°low 47°low 8°2 wet days a weekRain on about two days a week.
  3. June75°24°low 58°low 14°3 wet days a weekRain on about three days a week.

Where Toronto sits, in May

America/Toronto
this place
typical high in May 40°F4°C95°F35°C
Sunrise, mid-May
5:53 AMsets 8:34 PM
Above the sea
90 mlow-lying
Latitude
43.7°Nnorthern hemisphere
Nearest of ours
Ottawa353 km north-east

The land around Toronto, shaded by its typical high in May, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Elsewhere in Canada in May

high · low · wet days
See May on the planning mapThe whole year in Toronto

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest Toronto. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match.Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match. Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.