December Packing List for Denver — What to Wear & Bring

Essentials

If you only pack a few things, pack these.

• Insulated down or synthetic-fill winter coatEssential

  December lows of 18°F in Denver — nearly as cold as the January minimum — require the warmest coat you own for any outdoor time: the daily walks between Union Station's restaurants, the 16th Street Mall, and the Christkindl Market plaza demand serious insulation.

• Thermal base layer set (top and bottom)Essential

  Denver's December cold is dry but penetrating — thermal base layers under sweaters and jeans are the foundation of staying warm during outdoor time, particularly for the holiday walking tours and outdoor markets that define December in the city.

• Heavyweight sweaters and fleece mid-layers (2–3)Essential

  The 26°F daily swing from 18°F overnight to 44°F afternoon in Denver means sweaters remain the essential mid-layer — worn under the coat for morning cold and as the primary layer in the heated interiors of LoDo bars and restaurants.

• Fleece-lined or thermal-weight trousers or jeansEssential

  Standard jeans provide inadequate insulation at 18°F — fleece-lined leggings, lined trousers, or heavyweight denim over a thermal bottom provides the leg warmth needed for Denver's coldest nights at the Christkindl Market and holiday events.

• Insulated waterproof snow bootsEssential

  December snow events in Denver are regular and can be heavy — the 16th Street Mall, the Civic Center Park area, and the Union Station plaza are all snow-packed on storm days: insulated waterproof boots with traction soles are the only practical footwear.

• Waterproof leather ankle boots with insulationEssential

  On Denver's 24 non-snow December days — which often alternate sunshine and cold — waterproof insulated ankle boots handle the slushy snowmelt conditions and 18–44°F temperatures without the bulk of full snow boots.

• Insulated waterproof glovesEssential

  Denver's December lows of 18°F — combined with wind chill at 5,280 feet — make insulated, waterproof gloves the essential daily accessory for any outdoor time, from the parking garage walk to the Christkindl Market to Union Station's great hall.

• Warm fleece or wool beanieEssential

  18°F December temperatures in Denver with cold-front wind create conditions where bare-ear exposure is genuinely uncomfortable within minutes — a warm beanie or hat that covers ears is non-negotiable for outdoor holiday activity.

• Heavy wool or fleece scarfEssential

  Wind chill during December cold fronts in Denver can push the effective temperature toward 0°F or below — a heavy scarf wrapped around the neck and lower face prevents the sharp cold-air inhalation that makes Denver's coldest days particularly uncomfortable.

• SPF lip balm and intensive facial moisturizerEssential

  Denver's December air is extremely dry at under 20% humidity — the combination of cold outdoor air, wind, and indoor heating causes rapid lip chapping and skin dehydration: daily lip balm with SPF and a rich facial moisturizer are essential kit items.

• Insulated water bottleEssential

  Denver's December indoor heating combined with below-20% outdoor humidity creates significant dehydration risk — altitude at 5,280 feet further elevates fluid requirements, and a large insulated water bottle keeps water from freezing in cold outdoor temperatures.

• Intensive body lotion and hand creamEssential

  Denver's December relative humidity averages below 20% — the driest period of the year combined with indoor heating makes intensive daily moisturizing a necessity to prevent the cracked skin and discomfort that Denver's dry winter air causes.

Clothing

• Insulated down or synthetic-fill winter coatEssential

  December lows of 18°F in Denver — nearly as cold as the January minimum — require the warmest coat you own for any outdoor time: the daily walks between Union Station's restaurants, the 16th Street Mall, and the Christkindl Market plaza demand serious insulation.

• Thermal base layer set (top and bottom)Essential

  Denver's December cold is dry but penetrating — thermal base layers under sweaters and jeans are the foundation of staying warm during outdoor time, particularly for the holiday walking tours and outdoor markets that define December in the city.

• Heavyweight sweaters and fleece mid-layers (2–3)Essential

  The 26°F daily swing from 18°F overnight to 44°F afternoon in Denver means sweaters remain the essential mid-layer — worn under the coat for morning cold and as the primary layer in the heated interiors of LoDo bars and restaurants.

• Fleece-lined or thermal-weight trousers or jeansEssential

  Standard jeans provide inadequate insulation at 18°F — fleece-lined leggings, lined trousers, or heavyweight denim over a thermal bottom provides the leg warmth needed for Denver's coldest nights at the Christkindl Market and holiday events.

• Festive or polished outfit pieces for holiday eventsRecommended

  Denver's December social calendar is the most active of the year — holiday parties in LoDo, New Year's Eve events at Union Station, and formal holiday dinners in Cherry Creek all call for one polished outfit that works under a winter coat.

Footwear

• Insulated waterproof snow bootsEssential

  December snow events in Denver are regular and can be heavy — the 16th Street Mall, the Civic Center Park area, and the Union Station plaza are all snow-packed on storm days: insulated waterproof boots with traction soles are the only practical footwear.

• Waterproof leather ankle boots with insulationEssential

  On Denver's 24 non-snow December days — which often alternate sunshine and cold — waterproof insulated ankle boots handle the slushy snowmelt conditions and 18–44°F temperatures without the bulk of full snow boots.

• Warm dress shoes or lined booties for holiday eventsRecommended

  Denver's December holiday party and New Year's Eve event calendar is robust — a pair of insulated dress shoes or warm lined booties allows dressing up without being underprepared for the cold between the cab and the venue.

• Grip overshoe or microspike attachmentsOptional

  Denver's December ice events — when snow compacts and refreezes on sidewalks — create hazardous walking conditions in the Capitol Hill and Highland neighborhoods where streets are hilly: grip attachments significantly reduce slip risk.

Accessories

• Insulated waterproof glovesEssential

  Denver's December lows of 18°F — combined with wind chill at 5,280 feet — make insulated, waterproof gloves the essential daily accessory for any outdoor time, from the parking garage walk to the Christkindl Market to Union Station's great hall.

• Warm fleece or wool beanieEssential

  18°F December temperatures in Denver with cold-front wind create conditions where bare-ear exposure is genuinely uncomfortable within minutes — a warm beanie or hat that covers ears is non-negotiable for outdoor holiday activity.

• Heavy wool or fleece scarfEssential

  Wind chill during December cold fronts in Denver can push the effective temperature toward 0°F or below — a heavy scarf wrapped around the neck and lower face prevents the sharp cold-air inhalation that makes Denver's coldest days particularly uncomfortable.

• SPF lip balm and intensive facial moisturizerEssential

  Denver's December air is extremely dry at under 20% humidity — the combination of cold outdoor air, wind, and indoor heating causes rapid lip chapping and skin dehydration: daily lip balm with SPF and a rich facial moisturizer are essential kit items.

Gear

• Insulated water bottleEssential

  Denver's December indoor heating combined with below-20% outdoor humidity creates significant dehydration risk — altitude at 5,280 feet further elevates fluid requirements, and a large insulated water bottle keeps water from freezing in cold outdoor temperatures.

• Disposable hand and toe warmersRecommended

  Denver's December outdoor events — the Christkindl Market, New Year's Eve fireworks at Civic Center Park, and outdoor holiday light displays — expose attendees to 18–30°F temperatures for extended periods: hand warmers provide meaningful additional warmth.

• Compact travel umbrellaOptional

  December's 6 precipitation days include a mix of snow and freezing rain events — a compact umbrella handles the wetter precipitation forms while a waterproof hat covers the drier snow days common in Denver's winter.

• Intensive body lotion and hand creamEssential

  Denver's December relative humidity averages below 20% — the driest period of the year combined with indoor heating makes intensive daily moisturizing a necessity to prevent the cracked skin and discomfort that Denver's dry winter air causes.