ClimateAverages

Naperville Weather in July

JanFebMarAprMayJunJulAugSepOctNovDec
July daytime high
28.5°C
July overnight low
16.5°C
July average
22.6°C

In July, Naperville typically sees daytime highs of 28.5°C and overnight lows around 16.5°C. Compared to the annual average high of 14.7°C, July runs +13.8°C.

vs. annual avg high
+13.8°C
Rank among 12 months
#1 warmest
Hottest year overall
2011

Where July ranks in Naperville

JanFebMarAprMayJunJul29°AugSepOctNovDec

FAQ

What is the average temperature in Naperville in July?

July in Naperville averages a daytime high of 28.5°C and an overnight low of 16.5°C.

Is July warm or cold in Naperville?

July runs +13.8°C compared to Naperville's annual average high of 14.7°C, ranking #1 of 12 months by warmth.

What should I pack for Naperville in July?

Plan for daytime highs near 28.5°C and cooler evenings around 16.5°C.

Other months for Naperville

JanuaryFebruaryMarchAprilMayJuneAugustSeptemberOctoberNovemberDecember

July in nearby cities

ChicagoAuroraRockfordJolietSpringfieldPeoriaNorth PeoriaElginWaukeganChampaignCiceroBloomington