San Antonio · June
Run in the pre-dawn.
Average high is 92°F with a 74°F overnight low. Expect 16 rain days — plan around the radar. Humid heat punishes mid-morning — get out before sunrise for the only truly comfortable window.
Avg high / low
92° / 74°F
Humidity
69%
Rain days
16/mo
Wind
12 mph
What June feels like in San Antonio
Sunrise
06:34
Mid-month average
Sunset
20:34
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 San Antonio in June
The kit for June in San Antonio: light, breathable, and moisture-wicking — singlet or short-sleeve only, a water-resistant cap or jacket on standby.
June vs the surrounding months
vs May
+6° avg high
-4 rain days
San Antonio in May →
June
92°F avg high
16 rain days
Best: pre-dawn
vs July
-3° avg high
+4 rain days
San Antonio in July →
Frequently Asked Questions
What is the best time of day to run in San Antonio in June?+
Pre-dawn. Humid heat punishes mid-morning — get out before sunrise for the only truly comfortable window.
What's the average temperature in San Antonio in June?+
Average high 92°F, average low 74°F.
How does June compare to surrounding months in San Antonio?+
Compared to May (avg high 86°F), June is warmer. Compared to July (avg high 96°F), June is cooler.
Does it rain often in San Antonio in June?+
Expect about 16 measurable rain days in June, on average.