Monthly climate guide
Toronto weather in May
May in Toronto is typically mild, with average daytime highs around 16°C (60°F) and night-time lows near 8°C (47°F). The month usually brings about 67 mm of rain (some rain) and is often cloudy. Daytime highs are 7°C warmer than April and 6°C cooler than June.
What stands out in May
- Toronto is usually about 4°C cooler than Hamilton, 60 km away, in May.
- Seasonally, May counts as late spring in Toronto.
- Good walking weather for combining St. Lawrence Market and CN Tower in one day.
- Temperatures are climbing — June is around 6°C warmer.
Avg high
16°C
60°F
Avg low
8°C
47°F
Rainfall
67 mm
some rain
Humidity
79%
relative
Sky
75%
cloud · often cloudy
Toronto weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 0°C / 32°F | -5°C / 23°F | 57 mm | 84% | 81% |
| February | 0°C / 32°F | -5°C / 22°F | 48 mm | 84% | 80% |
| March | 4°C / 38°F | -2°C / 28°F | 49 mm | 80% | 74% |
| April | 8°C / 47°F | 2°C / 36°F | 74 mm | 79% | 77% |
| May | 16°C / 60°F | 8°C / 47°F | 67 mm | 79% | 75% |
| June | 21°C / 70°F | 14°C / 58°F | 76 mm | 75% | 67% |
| July | 26°C / 78°F | 20°C / 67°F | 64 mm | 71% | 63% |
| August | 25°C / 77°F | 19°C / 67°F | 59 mm | 72% | 62% |
| September | 22°C / 71°F | 16°C / 61°F | 62 mm | 73% | 62% |
| October | 15°C / 59°F | 10°C / 50°F | 78 mm | 77% | 74% |
| November | 8°C / 46°F | 3°C / 38°F | 58 mm | 79% | 74% |
| December | 3°C / 38°F | -1°C / 31°F | 56 mm | 83% | 81% |
What to pack for May
- A warm sweater or fleece for layering
- A mid-weight jacket
- A small travel umbrella, just in case
Is May a good time to visit Toronto?
Our Toronto guide recommends: May to September for warm weather, or September to October for autumn colour.
Toronto winters are genuinely cold — if visiting between December and March, plan for well below freezing and use the city's indoor PATH walkway system downtown.
Best time to visit Toronto →Other Canada cities in May
Cite or embed this data
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Toronto weather in May. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/canada/toronto/may
<a href="https://weathercompare.eu/weather/canada/toronto/may">Toronto weather in May</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/canada/toronto" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Toronto weather in May"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/canada/toronto/may">Toronto weather in May</a> – WeatherCompare</p>
Toronto in May: quick answers
Is May a good time to visit Toronto?
May is a reasonable time for Toronto: highs around 16°C and about 67 mm of rain, though not one of the three best months.
How warm is Toronto in May?
Average highs are about 16°C (60°F) and average lows about 8°C (47°F), based on 10 years of daily data.
Does it rain a lot in Toronto in May?
Toronto typically gets around 67 mm of rain in May — some rain.
When is the best time to visit Toronto?
May to September for warm weather, or September to October for autumn colour.
Figures are long-term averages for the area around Toronto (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.