Vienna · May
Run in the morning.
Cool month: average high 67°F, low 51°F. Expect 17 rain days — plan around the radar. Cool, runnable conditions throughout — morning still has the steadiest air and lightest wind.
Avg high / low
67° / 51°F
Humidity
68%
Rain days
17/mo
Wind
13 mph
What May feels like in Vienna
Sunrise
05:14
Mid-month average
Sunset
20:27
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 Vienna in May
The kit for May in Vienna: shorts and a short-sleeve are the standard kit, a water-resistant cap or jacket on standby.
May vs the surrounding months
vs April
+7° avg high
+4 rain days
Vienna in April →
May
67°F avg high
17 rain days
Best: morning
vs June
-11° avg high
+2 rain days
Vienna in June →
Frequently Asked Questions
What is the best time of day to run in Vienna in May?+
Morning. Cool, runnable conditions throughout — morning still has the steadiest air and lightest wind.
What's the average temperature in Vienna in May?+
Average high 67°F, average low 51°F.
How does May compare to surrounding months in Vienna?+
Compared to April (avg high 60°F), May is warmer. Compared to June (avg high 78°F), May is cooler.
Does it rain often in Vienna in May?+
Expect about 17 measurable rain days in May, on average.