ClimateAverages

Longmont Weather in January

JanFebMarAprMayJunJulAugSepOctNovDec
January daytime high
6.3°C
January overnight low
-8.7°C
January average
-1.3°C

In January, Longmont typically sees daytime highs of 6.3°C and overnight lows around -8.7°C. Compared to the annual average high of 18.2°C, January runs -11.9°C.

vs. annual avg high
-11.9°C
Rank among 12 months
#12 warmest
Hottest year overall
1933

Where January ranks in Longmont

Jan6°FebMarAprMayJunJulAugSepOctNovDec

FAQ

What is the average temperature in Longmont in January?

January in Longmont averages a daytime high of 6.3°C and an overnight low of -8.7°C.

Is January warm or cold in Longmont?

January runs -11.9°C compared to Longmont's annual average high of 18.2°C, ranking #12 of 12 months by warmth.

What should I pack for Longmont in January?

Plan for daytime highs near 6.3°C and cooler evenings around -8.7°C.

Other months for Longmont

FebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember

January in nearby cities

DenverColorado SpringsAuroraFort CollinsLakewoodThorntonArvadaWestminsterCentennialPuebloBoulderGreeley