ClimateAverages

Decatur Weather in January

JanFebMarAprMayJunJulAugSepOctNovDec
January daytime high
1.1°C
January overnight low
-8.6°C
January average
-3.8°C

In January, Decatur typically sees daytime highs of 1.1°C and overnight lows around -8.6°C. Compared to the annual average high of 17.2°C, January runs -16.1°C.

vs. annual avg high
-16.1°C
Rank among 12 months
#12 warmest
Hottest year overall
2011

Where January ranks in Decatur

Jan1°FebMarAprMayJunJulAugSepOctNovDec

FAQ

What is the average temperature in Decatur in January?

January in Decatur averages a daytime high of 1.1°C and an overnight low of -8.6°C.

Is January warm or cold in Decatur?

January runs -16.1°C compared to Decatur's annual average high of 17.2°C, ranking #12 of 12 months by warmth.

What should I pack for Decatur in January?

Plan for daytime highs near 1.1°C and cooler evenings around -8.6°C.

Other months for Decatur

FebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember

January in nearby cities

ChicagoAuroraRockfordJolietNapervilleSpringfieldPeoriaNorth PeoriaElginWaukeganChampaignCicero