Weather in San Antonio in June
June in San Antonio is warm with average temperatures around 28.5°C (83.3°F). Moderate rainfall of 71mm spread over 10 days.
Data Note: Temperature values are 2001–2020 satellite/reanalysis grid averages from NASA POWER and may differ from airport station normals by a few degrees.
Temperature
High
34.5°C
94.1°F
Low
22.4°C
72.3°F
Precipitation
71 mm
2.8 inches
~10 rainy days
Conditions
Humidity
65%
Comparison to Adjacent Months
June is 3.2°C warmer than May, 29mm drier than May.