Hot
Average highs reach 35°C, so days can feel very hot.
Weather Guide
San Antonio, Texas, United States Average Monthly Weather
Weather score62Good annual avg
Best months: May, July, June
Across the year, average daytime temperatures are around 27°C, sunshine averages 7.1h per day, and rainfall totals about 700mm.
Annual weather
Annual averages
Temp
27°C
Rain
700mm
Annual total
Sun
7.1h
Weather score
62
Good avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 55mm, which is relatively low for holiday planning.
Bright
Sunshine averages 9.4h per day, so bright days are a strong part of the month.
Map
Weather map
Compare San Antonio, Texas, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August35°C average high
August is one of San Antonio's hottest months, so shade and slower afternoons matter.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
August55mm average rain
August sits near San Antonio's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to April, July to August, and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August9.4 hours average sun
August is one of San Antonio's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsJune to August
This stretch has the strongest sunshine in the monthly averages.
Weather score
August72 weather score
August is one of San Antonio's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsApril to October
These months have the strongest weather score in the monthly averages.
Hotels in San Antonio, Texas, United States
Marriott
View all
JW Marriott San Antonio Hill Country Resort & SpaSan Antonio, Texas, USA
The St. Anthony, a Luxury Collection Hotel, San AntonioSan Antonio, Texas, USA
Marriott San Antonio AirportSan Antonio, Texas, USA
San Antonio Marriott Northwest Medical CenterSan Antonio, Texas, USA
San Antonio Marriott Rivercenter on the River WalkSan Antonio, Texas, USA
San Antonio Marriott RiverwalkSan Antonio, Texas, USA