ClimateAverages

Naperville Weather in January

JanFebMarAprMayJunJulAugSepOctNovDec
January daytime high
-1.8°C
January overnight low
-10.7°C
January average
-6.1°C

In January, Naperville typically sees daytime highs of -1.8°C and overnight lows around -10.7°C. Compared to the annual average high of 14.7°C, January runs -16.5°C.

vs. annual avg high
-16.5°C
Rank among 12 months
#12 warmest
Hottest year overall
2011

Where January ranks in Naperville

Jan-2°FebMarAprMayJunJulAugSepOctNovDec

FAQ

What is the average temperature in Naperville in January?

January in Naperville averages a daytime high of -1.8°C and an overnight low of -10.7°C.

Is January warm or cold in Naperville?

January runs -16.5°C compared to Naperville's annual average high of 14.7°C, ranking #12 of 12 months by warmth.

What should I pack for Naperville in January?

Plan for daytime highs near -1.8°C and cooler evenings around -10.7°C.

Other months for Naperville

FebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember

January in nearby cities

ChicagoAuroraRockfordJolietSpringfieldPeoriaNorth PeoriaElginWaukeganChampaignCiceroBloomington