Weather on August 19

Mcallen, TX

55 Years of Data

Avg High
98°F
Avg Low
77°F
Warmest
2019
93°F avg
Coldest
1988
79°F avg

About This Date

August 19th in Mcallen, TX typically brings hot summer weather, with average highs around 98°F and lows near 77°F. Over 55 years of records, the warmest August 19th was in 2019 (93°F average), while the coldest was 1988 (79°F) — a 14°F range across recorded history. Rain or other precipitation has occurred on about 9% of August 19th dates historically, with the wettest August 19th recording 10.82" of rain. The last decade has been 2.1°F warmer on this date compared to 20-30 years ago.

The last decade has been 2.1°F warmer on this date compared to 20-30 years ago.

Planning for August 19th in Mcallen, TX? Stay hydrated and seek shade during peak afternoon hours.

Warming Trend
1.1°F per decade on this date
YearHighLowAvgPrecipSnow
2025100°80°90°
2024101°81°91°
202399°
202298°79°88°
202197°80°88°
202099°76°87°
2019warmest104°82°93°
2018103°81°92°
2017104°80°92°
201698°77°88°
201599°79°89°
201499°79°89°
2013100°74°87°
201299°80°89°
2011103°79°91°
201099°80°89°
200997°80°88°
200888°74°81°10.82"
200797°80°88°
2006102°79°90°
200597°77°87°
2004101°78°89°
200397°77°87°
200298°79°88°
2001100°79°89°
200099°75°87°
199996°76°86°
199899°80°89°
199799°78°88°
1996100°75°88°
199594°77°85°
1994100°80°90°
199398°75°87°
199292°70°81°0.28"
199198°77°88°
199098°77°88°
198987°75°81°
1988coldest86°71°79°
198799°78°88°
1986100°76°88°
1985100°77°89°
1984100°74°87°
1983101°75°88°
198298°73°86°4.22"
198197°79°88°
198094°
197998°74°86°0.13"
197898°75°87°
197797°75°86°
197695°71°83°0.64"
197595°74°84°
197498°72°85°
197391°72°81°
197295°72°83°
197196°71°84°
55 years of data from MCALLEN

Browse Weather History

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