Weather on August 12

San Antonio, TX

55 Years of Data

Avg High
96°F
Avg Low
75°F
Warmest
2023
93°F avg
Coldest
1971
79°F avg

About This Date

August 12th in San Antonio, TX typically brings hot summer weather, with average highs around 96°F and lows near 75°F. Over 55 years of records, the warmest August 12th was in 2023 (93°F average), while the coldest was 1971 (79°F) — a 14°F range across recorded history. Rain or other precipitation has occurred on about 16% of August 12th dates historically, with the wettest August 12th recording 2.74" of rain. The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.

The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.

Planning for August 12th in San Antonio, TX? Stay hydrated and seek shade during peak afternoon hours.

Warming Trend
0.9°F per decade on this date
YearHighLowAvgPrecipSnow
2025101°79°90°
202498°79°88°
2023warmest105°81°93°
202299°75°87°0.05"
202194°76°85°
202099°78°88°
201999°78°88°
201889°74°81°
201795°78°87°
2016102°79°90°
2015102°79°90°0.53"
201499°74°86°0.2"
201397°74°85°
2012101°74°87°
2011103°80°91°
201098°78°88°
2009101°77°89°
200896°77°87°
200793°74°83°
2006100°74°87°
200593°75°84°
200496°68°82°
200394°69°81°1.73"
200290°71°80°
200198°75°87°
200099°73°86°
199999°76°87°
199898°75°87°
199798°77°88°
1996101°76°88°
199590°76°83°0.36"
199495°72°83°
199398°76°87°
199293°71°82°0.25"
1991102°77°90°
199093°75°84°
198994°68°81°
198899°79°89°
198798°77°88°
198693°76°84°
198596°75°86°
198497°73°85°1.96"
198394°75°84°
198296°77°87°
198197°78°87°
198094°77°85°
197989°75°82°1.12"
197893°74°83°
197794°73°83°
197692°72°82°
197594°75°84°
197492°77°84°
197392°76°84°
197291°75°83°
1971coldest89°70°79°2.74"
55 years of data from SAN ANTONIO INCARNATE WORD

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Weather data provided by NOAA Climate Data Online. Not for critical planning.