Weather in Denver in October
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Compare car hire prices → Affiliate link — we earn a commission at no extra cost to youDenver in October is pleasantly mild — daytime temperatures average 19.4°C, dropping to 3.0°C at night. The month is mostly dry with only occasional showers, with roughly 9.7 hours of sunshine a day. It is one of the best months of the year to visit. 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 October
Search flights to Denver
Compare 100+ airlines for October — 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 October
- Warm layers
- Light jacket or fleece
- Comfortable walking shoes
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 October a good time to visit Denver?
October rates 10/10 for visiting Denver — excellent time to visit. Expect average highs of 19.4°C, 17.7mm of rain across the month and about 9.7 hours of daily sunshine.
What is the temperature in Denver in October?
In October, Denver has average highs of 19.4°C (66.9°F) and average lows of 3.0°C (37.4°F).
Does it rain in Denver in October?
Not much. October averages just 17.7mm of rain in Denver — the odd shower is possible but most days stay dry.
What should I wear in Denver in October?
For Denver in October (19.4°C highs / 3.0°C lows), pack warm layers plus light jacket or fleece, comfortable walking shoes.
More essentials for Denver in October
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.