Weather on August 12

Naperville, IL

55 Years of Data

Avg High
84°F
Avg Low
60°F
Warmest
1995
86°F avg
Coldest
2004
57°F avg

About This Date

August 12th in Naperville, IL typically brings warm summer weather, with average highs around 84°F and lows near 60°F. Over 54 years of records, the warmest August 12th was in 1995 (86°F average), while the coldest was 2004 (57°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 30% of August 12th dates historically, with the wettest August 12th recording 4.27" of rain. The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.

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

Planning for August 12th in Naperville, IL? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.

YearHighLowAvgPrecipSnow
202588°69°78°1.42"
202478°54°66°
202383°63°73°
202279°54°66°
202187°71°79°0.38"
202085°55°70°
201980°65°72°0.53"
201887°60°74°1.4"
201778°53°66°
201692°73°82°
201582°55°69°
201482°62°72°0.38"
201382°54°68°
201280°53°67°
201180°54°67°
201093°73°83°
200983°55°69°
200866°52°59°
200788°67°77°0.86"
200680°60°70°
200583°72°77°1.45"
2004coldest64°50°57°
200376°66°71°0.05"
200295°70°82°
200187°56°71°
200086°58°72°
199988°62°75°0.2"
199883°60°71°
199773°63°68°4.27"
199685°57°71°
1995warmest99°73°86°
199468°62°65°
199389°69°79°
199281°56°68°
199187°52°69°
199057°0.3"
198988°52°70°
198893°73°83°
198789°61°75°
198588°60°74°
198484°63°73°
198386°54°70°
198278°48°63°
198184°62°73°
198081°60°70°0.61"
197977°48°63°
197886°63°74°
197780°48°64°0.18"
197686°65°75°0.48"
197591°60°76°0.23"
197486°55°71°
197386°61°73°
197285°62°73°0.36"
197184°51°68°
54 years of data from LISLE - MORTON ARBORETUM

Browse Weather History

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