San Antonio
Texas, USA
Long-term weather forecast
Long-term weather forecast

June weather forecast and Climate
San Antonio, TX

Buildings in San Antonio, Texas, with a calm view of the bridges across the waterfront
Buildings in San Antonio, Texas, with a calm view of the bridges across the waterfront
June is the wettest month in San Antonio with the average rainfall slightly north of 4.1" (104.1mm). Summer crowds throng to San Antonio, as despite the rain, the conditions are usually sunny and bright with daily sunshine of 14 hours. Thunderstorms are frequent, with an odd chance of a tropical storm approaching within 50 miles of the city.
San Antonio temperatures rarely drop below 60°F (15.6°C) in June as the highs touch 90°F (32.2°C) most of the time.
June visits to the area need patience as the parks, zoos, the Alamo, and the museums are all bursting with tourists.
  • The average high temperature in June: 91°F

Warmest months (with the highest average high temperature) are July and August (95°F).
The month with the lowest average high temperature is January (61°F).

  • The average low temperature in June: 72°F

Months with the highest average low temperature are July and August (73°F).
The coldest month (with the lowest average low temperature) is January (37°F).

  • The average rainfall in June: 2.9"

The wettest month (with the highest rainfall) is May (3.7").
Driest months (with the lowest rainfall) are January, March, July and December (1.5").

  • The average rainfall days in June: 6 days

The month with the highest number of rainy days is May (8 days).
Months with the lowest number of rainy days are July and August (5 days).

  • The average daylight in June: 14h

Months with the longest days are May, June and July (Average daylight: 14h).
The month with shortest days is December (Average daylight: 10h).

  • The average sunshine in June: 9h

The month with most sunshine is July (Average sunshine: 10h).
Months with least sunshine are January and December (Average sunshine: 5).

  • The average UV index in June: 11

Months with the highest UV index are May, June, July and August (UV index 11).
Months with the lowest UV index are January and December (UV index 4).