Denver, Colorado Weather in October
Typical October in Denver, Colorado: days around 65°F, nights around 37°F, and the month cools about 9°F from early to late — based on 30-year climate normals (NOAA, 1991–2020), day by day below.
65°Faverage high
37°Faverage low
−9°Fearly vs late October
28°Fday-to-night swing
Early, mid and late October in Denver
The month split in three — the part of the answer a 30-row table hides.
| Part of October | Avg high | Avg low |
|---|---|---|
| Early October (Oct 1–10) | 70°F | 42°F |
| Mid October (Oct 11–20) | 65°F | 37°F |
| Late October (Oct 21–31) | 61°F | 33°F |
Daylight in Denver during October
How much light the day gives you — useful for planning what you can still do after work.
11 h 46 minon Oct 1
10 h 31 minon Oct 31
−1 h 15 minlost across October
Day-by-day October normals for Denver
Long-term daily averages (NOAA 1991–2020) — climate, not a live forecast. For the next 16 days, use the live forecast.
| Day | Avg high | Avg low |
|---|---|---|
| Oct 1 | 72°F | 44°F |
| Oct 2 | 72°F | 43°F |
| Oct 3 | 71°F | 43°F |
| Oct 4 | 71°F | 42°F |
| Oct 5 | 70°F | 42°F |
| Oct 6 | 70°F | 41°F |
| Oct 7 | 69°F | 41°F |
| Oct 8 | 69°F | 40°F |
| Oct 9 | 68°F | 40°F |
| Oct 10 | 68°F | 39°F |
| Oct 11 | 67°F | 39°F |
| Oct 12 | 67°F | 38°F |
| Oct 13 | 66°F | 38°F |
| Oct 14 | 66°F | 38°F |
| Oct 15 | 66°F | 37°F |
| Oct 16 | 65°F | 37°F |
| Oct 17 | 65°F | 36°F |
| Oct 18 | 64°F | 36°F |
| Oct 19 | 64°F | 36°F |
| Oct 20 | 63°F | 35°F |
| Oct 21 | 63°F | 35°F |
| Oct 22 | 62°F | 34°F |
| Oct 23 | 62°F | 34°F |
| Oct 24 | 62°F | 34°F |
| Oct 25 | 61°F | 33°F |
| Oct 26 | 61°F | 33°F |
| Oct 27 | 61°F | 33°F |
| Oct 28 | 60°F | 32°F |
| Oct 29 | 60°F | 32°F |
| Oct 30 | 60°F | 32°F |
| Oct 31 | 59°F | 31°F |
October in Denver through the years
Real photos taken in Denver in October by Weathershot app users — different years, same month.
More months: September · November · December · January · Live Denver forecast
October elsewhere: Atlanta weather in October · Chicago weather in October · Miami weather in October · New York weather in October · Phoenix weather in October · Seattle weather in October
Weathershot
The October photos above were taken with Weathershot — it stamps the real weather onto your picture. Snap one in Denver and it could land on this page.
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Climate normals: NOAA 1991–2020 (GHCND). Photos: Weathershot community, taken on location. © Weathershot · Byss Mobile