Weather on August 25

Saint Louis, MO

55 Years of Data

Avg High
88°F
Avg Low
66°F
Warmest
2023
89°F avg
Coldest
2025
63°F avg

About This Date

August 25th in Saint Louis, MO typically brings warm summer weather, with average highs around 88°F and lows near 66°F. Over 52 years of records, the warmest August 25th was in 2023 (89°F average), while the coldest was 2025 (63°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 13% of August 25th dates historically, with the wettest August 25th recording 2.31" of rain. The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.

The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.

Planning for August 25th in Saint Louis, MO? Stay hydrated and seek shade during peak afternoon hours.

YearHighLowAvgPrecipSnow
2025coldest75°50°63°
202497°68°82°
2023warmest103°75°89°
202291°59°75°
202196°74°85°
202093°68°81°
201973°66°70°2.08"
201891°69°80°
201778°68°73°
201694°74°84°
201580°56°68°
201498°79°88°
201393°70°81°
201295°72°83°
2011103°70°86°
201087°67°77°
200978°58°68°
200883°61°72°
200781°71°76°2.31"
200688°64°76°
200582°66°74°
200484°64°74°2.03"
200391°72°81°
200284°69°77°
200183°71°77°0.36"
200083°68°75°
199982°65°73°
199894°75°84°
199786°65°75°
199687°67°77°
199590°64°77°
199480°67°73°
199392°72°82°0.03"
199292°67°79°
199194°67°80°
199089°70°79°
198984°69°77°
198894°59°76°
198783°62°72°0.25"
198693°69°81°
198574°57°65°
198191°64°78°
198089°56°72°
197982°59°71°
1978102°72°87°
197776°56°66°
197690°66°78°
197593°73°83°
197485°62°73°0.05"
197392°67°79°
197286°70°78°
197197°67°82°
52 years of data from ST LOUIS ST LOUIS UNIV

Browse Weather History

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