Mid-autumn · Weather & things to do
Denver in October
Denver cools off: highs slip to 67°F (20°C), from 82°F in September, with lows of 39°F (4°C) and about 1.2 in (30 mm) of rain.
At 95/100 for comfort (2nd of 12), it's one of the best months to visit.
- Avg high
- 67°F (20°C)
- Avg low
- 39°F (4°C)
- Rain
- 1.2 in (30 mm)
- Humidity
- 48%
- Cloud cover
- 44%
- Daylight
- ~10 h 55 min
- Comfort score
- 95/100 · Great
What October feels like
Days are mild at around 67°F (20°C): comfortable for walking all day, with a layer for the evening.
Mornings start much cooler: lows average 39°F (4°C), about 16°C (28°F) below the afternoon high.
About 1.2 in (30 mm) of rain falls in a typical year's October.
Plan around October
October is one of Denver's best months on the climate data.
- Last of the best-scoring months: by November, the score drops to 79/100.
- The year's biggest cool-down: highs drop 8°C (14°F) from September.
- Comfort holds steady from September (95 → 95/100).
- Our Colorado Rockies route recommends Jun – Sep, so October falls outside its suggested window.
What to pack for October
- A warm layer for eveningslows near 39°F
- Comfortable walking shoesmost places below are best reached on foot or with short walks
What to do in Denver in October
With conditions on your side, the picks below favor time outside.
Death & Co Denver
Serious cocktail bar inside the Ramble Hotel lobby, a short walk from RiNo's mural streets.
Why now October scores 95/100 for comfort, good conditions for being outside.
Sam's No. 3
Diner institution since 1927, known for big breakfasts and green chile.
Denver Art Museum
Strong Western American and Indigenous art collections in a jagged titanium-clad Libeskind building.
Buckhorn Exchange
Denver's oldest restaurant (1893), packed with taxidermy and serving steaks and game.
Denver Union Station
Restored 1914 rail hall with bars, shops and a lounge-like Great Hall at the heart of LoDo.
Nearby in October
- Rocky Mountain NP in October~56 mi · highs 48°F, 1.7 in rain or snow · 11°C (20°F) cooler by day, about as wet
- Breckenridge in October~59 mi · highs 47°F, 1.7 in rain or snow · 11°C (20°F) cooler by day, about as wet
- Vail in October~73 mi · highs 52°F, 1.7 in rain · 8°C (15°F) cooler by day, about as wet
- Aspen in October~105 mi · highs 54°F, 1.7 in rain · 8°C (14°F) cooler by day, about as wet
These averages also cover City Park and Downtown Denver & 16th Street.
NASA POWER 2001–2025 monthly averages on a ~50 km grid, temperatures adjusted from the grid cell's ~2,095 m to Denver's ~1,597 m elevation (standard lapse rate). Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Denver in October: quick answers
Is October a good time to visit Denver?
Yes. On the climate data it's one of the best months, scoring 95/100. Expect highs of 67°F (20°C) and 1.2 in (30 mm) of rain. Our Colorado Rockies route recommends Jun – Sep, so October is outside its suggested window.
How hot is Denver in October?
Average highs are 67°F (20°C) and average lows 39°F (4°C), making it the 6th-warmest month by daytime highs.
Does it rain a lot in Denver in October?
Not much: about 1.2 in (30 mm) of rain falls across October on average, the 5th-driest month of the year. The annual total is about 17.3 in (440 mm).
What should I pack for Denver in October?
Bring a warm layer for evenings (lows near 39°F) and comfortable walking shoes (most places below are best reached on foot or with short walks).
Planning Denver in October?
Bring the crew into one shared trip: vote on dates, build the day-by-day plan, split costs and share one packing list.