Montreal · May
Run in the morning.
Cool month: average high 66°F, low 47°F. Cool, runnable conditions throughout — morning still has the steadiest air and lightest wind.
Avg high / low
66° / 47°F
Humidity
63%
Rain days
14/mo
Wind
12 mph
What May feels like in Montreal
Sunrise
05:23
Mid-month average
Sunset
20:18
Mid-month average
Time-of-day breakdown
Morning
Steady cool air, low wind, and good light. The standard runner window in most months.
Midday
Mild but UV and traffic peak. Workable if you don't mind shifting your pace.
Evening
Warm and runnable. Crowded routes but the air's typically calm.
What to wear running in Montreal in May
The kit for May in Montreal: a long-sleeve or light jacket for the first mile, a water-resistant cap or jacket on standby.
May vs the surrounding months
vs April
+15° avg high
-1 rain days
Montreal in April →
May
66°F avg high
14 rain days
Best: morning
vs June
-8° avg high
-2 rain days
Montreal in June →
Frequently Asked Questions
What is the best time of day to run in Montreal in May?+
Morning. Cool, runnable conditions throughout — morning still has the steadiest air and lightest wind.
What's the average temperature in Montreal in May?+
Average high 66°F, average low 47°F.
How does May compare to surrounding months in Montreal?+
Compared to April (avg high 51°F), May is warmer. Compared to June (avg high 74°F), May is cooler.
Does it rain often in Montreal in May?+
Expect about 14 measurable rain days in May, on average.