Denver weather in October
“Mild and bright — an underrated time to visit.”
Roughly 5 rainy days across the month, on average.
October in Denver brings crisp autumn days with daytime highs around 19.9°C (68°F) and cool nights dropping to 3.9°C (39°F). You'll enjoy plenty of sunshine—averaging 9.5 hours daily—with only about 5 rainy days throughout the month and 29.2mm of precipitation. The thin mountain air means temperature swings between sun and shade can feel dramatic, so layering is essential.
This is prime fall foliage season in the Rocky Mountains, with aspens turning brilliant gold in nearby areas. Denver's cultural calendar fills with craft beer festivals, art walks, and outdoor concerts. The city experiences moderate crowds as summer tourists thin out but before winter holidays arrive, making October an ideal sweet spot for visitors seeking comfortable weather and vibrant local atmosphere.
For 2026 travel planning, October ranks among Denver's best months—reliable sunshine, minimal rain, and perfect temperatures for hiking, sightseeing, and exploring neighborhoods on foot. Pack layers to handle the 16°C (29°F) temperature range between day and night, and bring sunscreen despite the cooler weather.
What to pack for Denver in October
October's variable temperatures demand smart layering. Mornings and evenings are chilly, but afternoons warm nicely with strong Colorado sun. Pack versatile pieces you can add or remove throughout the day, plus sun protection for high-altitude UV exposure.
- Lightweight merino wool sweater or fleece midlayer
- Water-resistant windbreaker or light rain jacket
- Long-sleeve moisture-wicking shirt
- Comfortable hiking pants or jeans
- Closed-toe walking shoes or trail sneakers
What to pack for Denver in October
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Where to stay in Denver
We don't review individual hotels — plenty of people do that well. What we do is send you to compare rooms in Denver across trusted platforms.
Compare hotels on Booking.com→Things worth doing
Hiking Rocky Mountain trails with fall colors, visiting Red Rocks Park for concerts and sunset views, exploring downtown breweries and galleries, scenic drives to mountain towns like Boulder and Estes Park.
October vs. the rest of the year
How this month compares in Denver. Tap any month to read more.
highlighted months are among the best time to visit.
Best time to visit Denver
October is one of the best months to visit Denver — alongside April, June, September. Ten-year climate data confirms it: comfortable temperatures, manageable rainfall, and a healthy dose of sunshine.
See the full best-time-to-visit guide for DenverOther places with a similar climate right now
Denver in October — FAQ
Q01Is October a good time to visit Denver?
Is October a good time to visit Denver?
Yes — it is a good time to visit, with pleasant, comfortable weather. In October, Denver averages a high of 20°C (68°F) and a low of 4°C (39°F), with 29mm of rainfall across roughly 5 rainy days.
Q02What is the average temperature in Denver in October?
What is the average temperature in Denver in October?
The average high temperature in Denver during October is 20°C (68°F), with an average low of 4°C (39°F). These figures are averaged from ten years of daily records (2015–2024, Open-Meteo Archive).
Q03How many rainy days does Denver have in October?
How many rainy days does Denver have in October?
Denver averages approximately 5 rainy days in October, with a total monthly rainfall of about 29mm. This is based on daily precipitation records where days with 1mm or more of rain are counted as rainy days.
Q04What should I pack for Denver in October?
What should I pack for Denver in October?
For Denver in October, pack a warm winter coat, layered clothing for changing temperatures, a merino base layer for evenings, comfortable walking shoes. These recommendations are based on the ten-year weather averages for this specific month.
Q05How crowded is Denver in October?
How crowded is Denver in October?
Tourist crowds in Denver during October are typically moderate — shoulder season, a sweet spot between crowds and weather. Consider this when planning accommodation — prices track crowd levels closely.