San Antonio Weather in June
June in San Antonio brings very high temperatures, with daytime highs of 34°C (93°F) and nights around 23°C (73°F). Quite a bit of rainfall is expected, around 76 mm (3 in), so pack an umbrella.
Rainfall in San Antonio in June
Historically, the month has about 7 days of rain, averaging 76 mm (3 in) in total. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in San Antonio in June
Daytime temperatures in San Antonio reach 34°C (93°F) in June, dropping to 23°C (73°F) at night. Mornings and evenings are often more comfortable than the peak afternoon hours. With lows around 23°C (73°F), the nights are warm enough that a sheet is usually all you need for bedding.
Sunshine in San Antonio in June
Expect a lot of sunshine this month, with about 276 hours of sun. These sunny conditions add to the overall experience.June in San Antonio has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our San Antonio's climate page.
San Antonio Temperature in June
Min Temperature
23°C (73°F)
Max Temperature
34°C (93°F)
Chance of Rain
23%
Precipitation
76 mm (3 in)
Rainy days
7 days
Humidity
69%
Sunshine
276 hours
Percentage Sunshine
66%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in San Antonio typically stay consistent throughout June, with daily highs averaging around 34°C (93°F). Nights are warm, with lows typically ranging from 22°C (72°F) to 24°C (75°F).
Average temperatures in June
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in June
Historical weather for San Antonio in June
Browse day-by-day weather records for San Antonio spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
San Antonio historical weather extremes in June
Based on 49 years of weather observations in San Antonio between 1976 and 2025, these are the recorded extremes.
- The hottest June day on record in San Antonio reached 43°C (109°F) (June 15, 1998).
- The lowest daytime temperature in June was 24°C (75°F), recorded on June 3, 1987.
- The lowest overnight temperature recorded in June was 14°C (57°F) (June 1, 1984).
Best Places in the United States of America in June
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in June →
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What to Wear in San Antonio in June
Get ready for hot weather in June! Lightweight, breathable fabrics are your best friend during this month. Cotton and linen shirts, shorts, sundresses, and sandals will keep you comfortable. Light colors help reflect the heat, avoid wearing black. Rain is likely on several days, so bring a good rain jacket. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in San Antonio in June
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our San Antonio's climate page.
Temperature Rainfall Sunshine Humidity
See the full San Antonio climate overview or explore weather in the United States of America.
