Dallas · May
Run in the morning.
Comfortable average high of 82°F, dipping to 65°F at night. Expect 18 rain days — plan around the radar. Humidity rises with the sun — morning runs catch the driest, coolest window.
Avg high / low
82° / 65°F
Humidity
71%
Rain days
18/mo
Wind
14 mph
What May feels like in Dallas
Sunrise
06:28
Mid-month average
Sunset
20:19
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 Dallas in May
The kit for May in Dallas: shorts and a short-sleeve are the standard kit, a wind-blocking layer for exposed routes, a water-resistant cap or jacket on standby.
May vs the surrounding months
vs April
+7° avg high
+3 rain days
Dallas in April →
May
82°F avg high
18 rain days
Best: morning
vs June
-8° avg high
+3 rain days
Dallas in June →
Frequently Asked Questions
What is the best time of day to run in Dallas in May?+
Morning. Humidity rises with the sun — morning runs catch the driest, coolest window.
What's the average temperature in Dallas in May?+
Average high 82°F, average low 65°F.
How does May compare to surrounding months in Dallas?+
Compared to April (avg high 75°F), May is warmer. Compared to June (avg high 90°F), May is cooler.
Does it rain often in Dallas in May?+
Expect about 18 measurable rain days in May, on average.