Dublin · May
Run in the morning.
Cool month: average high 59°F, low 48°F. Humidity averages 78% — the limiting factor on most runs. Expect 18 rain days — plan around the radar. Cool, runnable conditions throughout — morning still has the steadiest air and lightest wind.
Avg high / low
59° / 48°F
Humidity
78%
Rain days
18/mo
Wind
13 mph
What May feels like in Dublin
Sunrise
05:24
Mid-month average
Sunset
21:18
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 Dublin in May
The kit for May in Dublin: 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
Dublin in April →
May
59°F avg high
18 rain days
Best: morning
vs June
-5° avg high
0 rain days
Dublin in June →
Frequently Asked Questions
What is the best time of day to run in Dublin in May?+
Morning. Cool, runnable conditions throughout — morning still has the steadiest air and lightest wind.
What's the average temperature in Dublin in May?+
Average high 59°F, average low 48°F.
How does May compare to surrounding months in Dublin?+
Compared to April (avg high 53°F), May is warmer. Compared to June (avg high 64°F), May is cooler.
Does it rain often in Dublin in May?+
Expect about 18 measurable rain days in May, on average.