Weather in Denver in December
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Compare car hire prices → Affiliate link — we earn a commission at no extra cost to youDenver in December is cold — daytime temperatures average 8.1°C, dropping to -5.8°C at night. The month is mostly dry with only occasional showers, with roughly 7.7 hours of sunshine a day. This is peak season for good reason — conditions are close to ideal. For the complete picture, see the best time to visit Denver — every month compared. Once you know when to go, find your Denver packing list at 247PackingList.
Get ready for Denver in December
Search flights to Denver
Compare 100+ airlines for December — one search, best price.
Search Flights →Hot-weather travel clothing
Sun protection, lightweight layers and a reusable water bottle are essential here.
Check Price →What to pack for Denver in December
- Warm winter coat
- Thermal underlayers
- Gloves, hat and scarf
- Waterproof boots
Compare all months in Denver
| Month | High | Rain | Rating |
|---|---|---|---|
| January | 5.2°C | 18.4mm | 10/10 |
| February | 3.9°C | 26.9mm | 8/10 |
| March | 10.2°C | 49.6mm | 10/10 |
| April | 15.8°C | 36.8mm | 10/10 |
| May | 21.5°C | 90.8mm | 10/10 |
| June | 28.2°C | 54.6mm | 10/10 |
| July | 32.0°C | 28.7mm | 10/10 |
| August | 31.4°C | 28.4mm | 10/10 |
| September | 28.0°C | 24.0mm | 10/10 |
| October | 19.4°C | 17.7mm | 10/10 |
| November | 12.8°C | 11.6mm | 10/10 |
| December | 8.1°C | 19.1mm | 10/10 |
Full month-by-month guide: best time to visit Denver →
For facts about United States — currency, language and dialling code — see our United States country guide at 247CountryInfo. Travellers also find it useful to keep a Denver travel guide to hand. Check clothing sizes in United States before you shop.
Frequently Asked Questions
Is December a good time to visit Denver?
December rates 10/10 for visiting Denver — excellent time to visit. Expect average highs of 8.1°C, 19.1mm of rain across the month and about 7.7 hours of daily sunshine.
What is the temperature in Denver in December?
In December, Denver has average highs of 8.1°C (46.6°F) and average lows of -5.8°C (21.6°F).
Does it rain in Denver in December?
Not much. December averages just 19.1mm of rain in Denver — the odd shower is possible but most days stay dry.
What should I wear in Denver in December?
For Denver in December (8.1°C highs / -5.8°C lows), pack warm winter coat plus thermal underlayers, gloves, hat and scarf, waterproof boots.
More essentials for Denver in December
Packing cubes
Keep the bag organised whatever the weather — compression cubes for every size.
Check Price →Travel first aid kit
Compact TSA-friendly kit for peace of mind wherever you travel.
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.