In December, Denver averages a high of 44°F (7°C) and a low of 19°F (-7°C). Most runs feel like about 32°F (0°C) once you factor in a typical morning or evening start, so dress for that number rather than the thermometer. Altitude, sun, and dry air mean big day-to-night temperature swings in Denver.
44°F (7°C)
19°F (-7°C)
Feels like 32°F (0°C)
Late morning is easiest — give the day time to warm past the overnight low of 19°F (-7°C) before heading out.
Long Sleeve Base Layer
Lightweight thermal top
Running Vest or Light Jacket
Extra warmth for core
Running Tights
Full-length compression tights
Running Gloves
Touchscreen-compatible warmth
Beanie or Ear Warmers
Head and ear protection
Running Shoes
Your regular training shoes
Wool Running Socks
Warm and moisture-wicking
$128
$55
$38
$349
$17
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In December, Denver runs feel like about 32°F (0°C). Wear a moisture-wicking long-sleeve base layer, running tights, light gloves, and an ear-warmer or beanie. Add a wind or light insulated layer on colder or windier days.
December is cold but comfortable with the right layers in Denver, with average highs near 44°F (7°C) and lows near 19°F (-7°C).
Most runners wear tights in Denver in December. Your legs generate a lot of heat, but at feels-like 32°F (0°C) full-length tights are the comfortable choice.
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