Weather in San Antonio in June 2025
Average weather
Average temperature in San Antonio in June
Going from a maximum of +40°C during the day to a minimum of +18°C during the night, the temperature in June averages around +36°C.
The average maximum temperature goes up 27% by the end of the month, compared with the beginning of the month, from +31°C to +37°C.
Is San Antonio warm or cold in June?
San Antonio is typically hot in June.
Maximum temperatures go up compared to the previous month from +31°C to +34°C. The minimum temperature also goes up from +20°C to +23°C.
Make sure that you pack your summer linen and swimming costumes; it’s probably going to be hot.
June is one of the warmest months in San Antonio, here is the comparison with other months:
Climate in San Antonio in June
| May | June | July | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +31°C | +34°C | +35°C | ||||
| Min. temperature | ||||||
| +6°C | +14°C | +17°C | ||||
| Max. temperature | ||||||
| +39°C | +43°C | +42°C | ||||
| Rainfall | ||||||
| 132 mm | 89 mm | 65 mm | ||||
| Wind | ||||||
| 4 m/s | 3 m/s | 3 m/s | ||||
| Humidity | ||||||
| 73% | 71% | 68% | ||||
| Air pressure | ||||||
| 1012 HPa | 1012 HPa | 1014 HPa | ||||
| Sunny days | ||||||
| 5 | 6 | 9 | ||||
| Cloudy days | ||||||
| 8 | 8 | 8 | ||||
| Rainy days | ||||||
| 16 | 14 | 12 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
June typically has worse weather conditions compared to May. It’s getting warmer as June arrives. The average maximum temperature goes up from +31°C to +34°C during the day. As June arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 132 mm to 89 mm. It feels drier, as humidity decreases from 73% to 71%. Winds are calmer in comparison to May, going down from 4 m/s to 3 m/s on average. The good news is there are likely to be more sunny days in June, from 5 to 6.
July brings much the same weather, it remains ok.
Wind
The average wind speed is 4 m/s getting up to 6 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in San Antonio is gradually increasing during June, going from 5 m/s to 6 m/s over the course of the month.
Rain
How was the weather last June in San Antonio?
Climate Change over Years
The climate in San Antonio in June has not changed much over the last 43 years.
The average temperature was the lowest in 1983 (+25°C) and the highest in 2006 (+30°C). The driest year was 1996 with only 401 mm of rainfall, and the wettest year was 2007 with 1606 mm.
FAQ
Is June a good time to visit San Antonio?
Can you sunbathe in San Antonio in June?
Is San Antonio rainy in June?
Is it sunny in San Antonio in June?
Other cities in USA
Monthly weather in San Antonio
Source of the data
For this page, we’ve looked at the typical weather in San Antonio, based on historical hourly weather data from January 1, 1979, to December 31, 2022.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.