Verdict: Excellent month
Toronto Weather in May
May hits the sweet spot in Toronto — highs around 18°C (64°F), ideal for a full day on foot. Expect showers on roughly 9 days of the month — rarely trip-ruining, worth planning around. Overall, May is one of the best months of the year to be in Toronto.
Average high
18°C / 64°F
Average low
8°C / 46°F
Rain days
~9
Precipitation
56 mm
What to pack for Toronto in May
- Layers — t-shirts under a light jacket or sweater
- Evenings turn genuinely cool — pack a warm layer for after dark
- A packable rain shell or compact umbrella earns its space
- Comfortable walking shoes — every guide on this site assumes you'll use them
May against the rest of the year
Warmest in Toronto: Jul (26°C / 79°F) · Coolest: Jan (0°C / 32°F) · Wettest: Apr (~14 rain days)
0°
-6°
Jan
1°
-7°
Feb
6°
-2°
Mar
11°
2°
Apr
18°
8°
May
24°
15°
Jun
26°
18°
Jul
26°
17°
Aug
22°
14°
Sep
15°
8°
Oct
9°
2°
Nov
4°
-2°
Dec
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)