Glasgow · May
Run in the morning.
Cool month: average high 58°F, low 44°F. Humidity averages 77% — the limiting factor on most runs. Expect 19 rain days — plan around the radar. Cool, runnable conditions throughout — morning still has the steadiest air and lightest wind.
Avg high / low
58° / 44°F
Humidity
77%
Rain days
19/mo
Wind
12 mph
What May feels like in Glasgow
Sunrise
05:04
Mid-month average
Sunset
21:23
Mid-month average
Time-of-day breakdown
Morning
Coolest, driest air of the day. The window before sunrise is the most reliable comfortable hour.
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 Glasgow in May
The kit for May in Glasgow: 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
+6° avg high
+2 rain days
Glasgow in April →
May
58°F avg high
19 rain days
Best: morning
vs June
-5° avg high
-1 rain days
Glasgow in June →
Frequently Asked Questions
What is the best time of day to run in Glasgow in May?+
Morning. Cool, runnable conditions throughout — morning still has the steadiest air and lightest wind.
What's the average temperature in Glasgow in May?+
Average high 58°F, average low 44°F.
How does May compare to surrounding months in Glasgow?+
Compared to April (avg high 52°F), May is warmer. Compared to June (avg high 63°F), May is cooler.
Does it rain often in Glasgow in May?+
Expect about 19 measurable rain days in May, on average.