Weather on November 20

San Antonio, TX

55 Years of Data

Avg High
70°F
Avg Low
48°F
Warmest
2025
78°F avg
Coldest
1972
42°F avg

About This Date

November 20th in San Antonio, TX typically brings pleasant fall weather, with average highs around 70°F and lows near 48°F. Over 55 years of records, the warmest November 20th was in 2025 (78°F average), while the coldest was 1972 (42°F) — a 36°F range across recorded history. Rain or other precipitation has occurred on about 16% of November 20th dates historically, with the wettest November 20th recording 0.64" of rain. The last decade has been 1.1°F cooler on this date compared to 20-30 years ago.

The last decade has been 1.1°F cooler on this date compared to 20-30 years ago.

Planning for November 20th in San Antonio, TX? Great weather for outdoor activities.

Warming Trend
0.5°F per decade on this date
YearHighLowAvgPrecipSnow
2025warmest86°69°78°0.64"
202470°44°57°
202380°64°72°
202244°40°42°
202166°45°55°
202081°55°68°
201975°42°59°
201853°47°50°
201764°39°52°
201665°34°49°
201578°51°65°
201466°47°56°0.43"
201370°57°63°
201271°52°61°
201184°67°75°
201070°37°53°
200974°45°59°0.51"
200875°40°57°
200775°63°69°
200671°41°56°
200565°47°56°
200473°54°63°0.05"
200376°39°57°
200272°41°56°
200169°45°57°0.41"
200058°34°46°
199978°53°66°
199879°56°67°
199760°47°53°
199684°60°72°
199575°54°64°
199478°48°63°
199361°35°48°
199272°51°61°
199167°40°53°
199081°68°74°
198975°60°68°
198865°42°53°
198771°33°52°
198673°55°64°
198560°45°52°
198446°42°44°
198371°39°55°
198274°60°67°0.03"
198168°35°52°
198067°35°51°
197981°73°77°0.2"
197856°50°53°0.25"
197779°70°74°
197679°49°64°
197563°37°50°
197473°43°58°
197374°42°58°0.23"
1972coldest50°34°42°
197177°42°60°
55 years of data from SAN ANTONIO INCARNATE WORD

Browse Weather History

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

November 20th Weather in San Antonio, TX - 55 Years of History