San Antonio weather in June
Temperature, rain and sunshine in June: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in June
Fair
Best time to visit: October – April
What is the weather like in San Antonio in June?
In June, San Antonio is very hot: daytime highs average 33 °C, and even at night it stays warm at around 23 °C. The sun shines for around 8 hours a day. Rain falls on about 7 days, adding up to 58 mm. On about 26 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, June is a so-so month for a holiday in San Antonio.
June compared
How the weather changes from May to July. Tap a month to open it.
More details for June
- Daylight
- 14 h 1 min06:34 – 20:34
- UV index
- 12 · extremeclear sky, noon (estimate)All months
- Muggy days
- 27 daysdew point 18 °C or moreAll months
- Wind
- 19 km/haverage daily peakAll months
- Cloud cover
- 46 %on averageAll months
- Hot days
- 26 days30 °C or moreAll months
- Time zone
- UTC−5America/Chicago
How the score comes together
- Temperatureweight 50 %20 %
- Sunshineweight 20 %82 %
- Few rainy daysweight 30 %77 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in June
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
- Insect repellent
San Antonio in June: quick answers
Is San Antonio hot in June?
Yes. In June, San Antonio is very hot: daytime highs average 33 °C and nights stay around 23 °C. On about 26 days the thermometer climbs to 30 °C or more.
Does it rain much in San Antonio in June?
Rain falls on about 7 days, adding up to 58 mm.
San Antonio month by month
The whole year in San AntonioAll destinations: USAWhere to go in June
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences