Las Vegas · July
Run in the pre-dawn.
Average highs hit 105°F. July is the hottest stretch of the year. Dry air (21% humidity) makes the heat more bearable than the numbers suggest. Heat builds fast after sunrise — the pre-dawn hour is the only reliably comfortable window.
Avg high / low
105° / 81°F
Humidity
21%
Rain days
5/mo
Wind
14 mph
What July feels like in Las Vegas
Sunrise
05:36
Mid-month average
Sunset
19:56
Mid-month average
Time-of-day breakdown
Morning
Cool relative to the day's peak, but heat builds fast. By 10 AM you're already chasing comfort.
Midday
Heat peaks here. Skip unless you've got shade and pace tolerance.
Evening
Cools off after sunset but still warm. Good for easy efforts; avoid hard intervals if you're chasing pace.
What to wear running in Las Vegas in July
The kit for July in Las Vegas: light, breathable, and moisture-wicking — singlet or short-sleeve only.
July vs the surrounding months
vs June
+4° avg high
+4 rain days
Las Vegas in June →
July
105°F avg high
5 rain days
Best: pre-dawn
vs August
+3° avg high
0 rain days
Las Vegas in August →
Frequently Asked Questions
What is the best time of day to run in Las Vegas in July?+
Pre-dawn. Heat builds fast after sunrise — the pre-dawn hour is the only reliably comfortable window.
What's the average temperature in Las Vegas in July?+
Average high 105°F, average low 81°F.
How does July compare to surrounding months in Las Vegas?+
Compared to June (avg high 100°F), July is warmer. Compared to August (avg high 102°F), July is warmer.
Does it rain often in Las Vegas in July?+
Expect about 5 measurable rain days in July, on average.