Toronto weather in May
Toronto in May averages 12°C (54°F), 77 mm of rain and 8.9 hours of sun a day.
Of the twelve months in Toronto, May is the fifth warmest, the third wettest and the third sunniest.
- Average temp
- 12°C (54°F)
8–16°C · 47–61°F
- Rainfall
- 77 mm
Showers likely
- Sunshine
- 8.9 h
hours per day
- Wind
- 16 km/h
What is Toronto like in May?
Daytime
Days are cool.
Rain
Some rain is likely; pack for showers.
Evening
Evenings are cooler. A layer helps after sunset.
What should I pack for Toronto in May?
High-factor sun cream
With 8.9 hours of sun a day, burn time is short even in shade.
Sunglasses and a brimmed hat
Midday glare is the part people underpack for, not the heat itself.
A light rain jacket
About 77 mm falls this month — showers rather than washouts.
A warm mid-layer
Nights drop to around 8°C (47°F).
May compared with April and June
May in Toronto is 5.7°C warmer than April and about as wet as it, which averages 7°C (44°F).
May in Toronto is 5.7°C cooler than June and about as wet as it, which averages 18°C (64°F).
Daylight in Toronto in May
On 15 May the sun is up for 14 hours 45 minutes in Toronto, rising about 05:51 and setting about 20:36 local time.
May ends 1 hour 1 minute longer than it begins, so the last week of the month is a different length of day from the first.
That is 41 minutes short of June, the longest-lit month here.
Where to stay in Toronto
Dates are a starting point for May.
Travel guides for Toronto
What to read before you book.
Toronto weather by month
TemperatureRainfall
How May compares with the rest of the year
May is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | -4°C / 24°F | 61 mm |
| February | -3°C / 26°F | 50 mm |
| March | 1°C / 33°F | 50 mm |
| April | 7°C / 44°F | 81 mm |
| May | 12°C / 54°F | 77 mm |
| June | 18°C / 64°F | 78 mm |
| July | 21°C / 70°F | 72 mm |
| August | 21°C / 70°F | 69 mm |
| September | 17°C / 63°F | 67 mm |
| October | 10°C / 51°F | 66 mm |
| November | 5°C / 40°F | 67 mm |
| December | 0°C / 31°F | 57 mm |
Check another month
This is the month you are reading. Change either side to look at another.
FAQs about Toronto in May
May climate averages for Toronto, 1991–2020.
Toronto averages 12°C (54°F) in May, ranging from about 8°C (47°F) at night to 16°C (61°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Some. About 77 mm falls across May, enough to need a light jacket but not enough to reshape a trip.
No. May averages 12°C (54°F) against 18°C (64°F) in June — 5.7°C cooler.
May is 5.7°C warmer than April, and about as wet.
Yes. May falls inside the most comfortable stretch of the year here, May to October, on temperature and rainfall together.
About 8.9 hours of sun a day on the 1991–2020 average — among the brighter months anywhere.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what May is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 14 hours 45 minutes of daylight in mid-May, against 15 hours 26 minutes in June and 8 hours 57 minutes in December.
On 15 May, sunrise is about 05:51 and sunset about 20:36 local time. Both shift across the month — the month ends 1 hour 1 minute longer than it starts.
