Measured, not vibes
Best Time to Visit Denver
By measured weather comfort, the top months for Denver are October, May, September — and RouteVerdict's editorial pick, which also weighs crowds and prices, is January, February, March, May, June, July, August, September, October, December. The table below is computed from ERA5 reanalysis data for 2020–2024, measured at Denver (1609 m elevation).
Month by month
Denver weather and comfort, 2020–2024
| Month | Avg high | Wet days | Comfort | Season |
|---|---|---|---|---|
| January | 5.2°C / 41°F | 4 | 13 | |
| February | 5.6°C / 42°F | 5 | 14 | |
| March | 11.4°C / 53°F | 6.5 | 38 | |
| April | 17.4°C / 63°F | 6.3 | 72 | Shoulder |
| May | 22.4°C / 72°F | 8.7 | 82 | Best |
| June | 29.4°C / 85°F | 5.2 | 70 | |
| July | 32.5°C / 91°F | 4.5 | 52 | |
| August | 31.9°C / 89°F | 5.3 | 55 | |
| September | 28.9°C / 84°F | 3.8 | 75 | Best |
| October | 20.9°C / 70°F | 3 | 92 | Best |
| November | 12.5°C / 55°F | 3.8 | 47 | Shoulder |
| December | 8.6°C / 47°F | 2.8 | 26 |
Comfort is RouteVerdict's 0–100 score: 100·exp(−(high−23)²/162) × (1 − min(0.35, wet days × 0.02)). The full method is on the methodology page. Weather data by Open-Meteo.com (ERA5, CC BY 4.0), 2020–2024 normals. Wet day = ≥1 mm precipitation.
What the seasons are actually like
Traveling to Denver month by month
Denver's comfort score peaks in October at 91.5, with an average high of 20.9°C and just 3 wet days, ahead of May's 82.4 and September's 74.5. RouteVerdict's editorial pick spans January, February, March, May through October, and December — nearly the entire year, leaving out only April and November, its shoulder months, with comfort scores of 72 and 46.8. Even winter holds up reasonably by Denver's dry-climate standards: December's comfort score of 26.2 and January's 13 are both helped by wet-day counts of just 2.8 and 4, among the lowest of the year.
FAQ
Denver timing questions
What is the best month to visit Denver?
By measured weather comfort (ERA5 2020–2024), the top months are October, May, and September, with October scoring highest. RouteVerdict's editorial pick is January, February, March, May, June, July, August, September, October, and December, which also weighs crowds, prices, and events.
What is the hottest month in Denver?
July, with an average daily high of 32.5°C (91°F).
What is the rainiest month in Denver?
May, averaging 8.7 days with at least 1 mm of precipitation.
When is shoulder season in Denver?
April and November — the best-scoring months outside both the measured top three and RouteVerdict's editorial peak-season pick.
Why does Denver's editorial pick cover almost the entire year?
It spans January through October (minus April) plus December — nearly every month except April and November, its two shoulder months at comfort scores of 72 and 46.8.
What is Denver's single best month for weather?
October, with an average high of 20.9°C, just 3 wet days, and a comfort score of 91.5 — the highest measured for any month.