Calgary · May
Run in the morning.
Cool month: average high 62°F, low 39°F. Cool, runnable conditions throughout — morning still has the steadiest air and lightest wind.
Avg high / low
62° / 39°F
Humidity
57%
Rain days
15/mo
Wind
11 mph
What May feels like in Calgary
Sunrise
05:45
Mid-month average
Sunset
21:20
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 Calgary in May
The kit for May in Calgary: 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
+12° avg high
+2 rain days
Calgary in April →
May
62°F avg high
15 rain days
Best: morning
vs June
-7° avg high
-2 rain days
Calgary in June →
Frequently Asked Questions
What is the best time of day to run in Calgary in May?+
Morning. Cool, runnable conditions throughout — morning still has the steadiest air and lightest wind.
What's the average temperature in Calgary in May?+
Average high 62°F, average low 39°F.
How does May compare to surrounding months in Calgary?+
Compared to April (avg high 51°F), May is warmer. Compared to June (avg high 69°F), May is cooler.
Does it rain often in Calgary in May?+
Expect about 15 measurable rain days in May, on average.