Colorado, United States in January

January3°C average high

January has some of the coolest average daytime highs of the year, so pack for fresher conditions.

Warmest monthsJune to September

This stretch sets the upper range for average daytime heat.

January19mm average rain

January is one of Colorado's driest months, making outdoor days easier to plan than in wetter parts of the year.

Driest monthsJanuary to June and September to December

This is the drier part of the year, when outdoor plans usually need less weather flexibility.

January7 hours average sun

January is below Colorado's yearly sunshine average, so bright-day planning is less reliable than in peak months.

Brightest monthsMay to August

This stretch has the strongest sunshine in the monthly averages.

January43 weather score

January scores below Colorado's yearly average, so the weather trade-offs are more noticeable.

Best weather monthsJune to August

These months have the strongest weather score in the monthly averages.