Best Time to See Hummingbirds in Colorado

July, August and June is the best time to see hummingbirds in Colorado. Based on 8,134 verified iNaturalist observations, here is exactly when hummingbirds are most active across the year in Colorado.

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By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 30, 2026.

Broad-tailed Hummingbird photographed in ColoradoRivoli's Hummingbird photographed in ColoradoCalliope Hummingbird photographed in Colorado
Photos by iNaturalist observers, used under Creative Commons.
Best months: July, August, JunePeak season right now

8,134 verified observations of hummingbirds in Colorado, recorded across 11 months of the year on iNaturalist.

When hummingbirds are recorded in Colorado

Peak month

July

2,372 records (29.2% of the year)

Quietest month

January

No verified records

MonthObservationsShare
January00%
February10%
March100.1%
April1702.1%
May1,34816.6%
Junepeak1,53118.8%
Julypeak2,37229.2%
Augustpeak2,07025.4%
September5837.2%
October440.5%
November20%
December30%

Hummingbirds you are most likely to see

SpeciesVerified observations
Broad-tailed Hummingbird4,749
Black-chinned Hummingbird1,110
Rufous Hummingbird867
Calliope Hummingbird318
Anna's Hummingbird14
Ruby-throated Hummingbird12
Rivoli's Hummingbird4
Costa's Hummingbird2

Sightings of hummingbirds in Colorado peak in July, when 2,372 of the year's 8,134 verified observations are logged — about 29.2% of the annual total. Activity stays high through July, August and June.

The quietest stretch is January and February, when hummingbirds are hardest to find — no verified records exist for January. If a reliable sighting matters, plan around the peak window rather than the off-season.

The hummingbirds you are most likely to encounter in Colorado are Broad-tailed Hummingbird, Black-chinned Hummingbird and Rufous Hummingbird — the most-recorded species in the state. Each keeps its own seasonal rhythm, but the month-by-month pattern above reflects every reported sighting together.

Where to go

Best places to see hummingbirds in Colorado

  • Bent's Old Fort National Historic SiteNational Historic Site
  • Black Canyon Of The Gunnison National ParkNational Park
  • Colorado National MonumentNational Monument
  • Curecanti National Recreation AreaNational Recreation Area
  • Dinosaur National MonumentNational Monument
  • Great Sand Dunes National Park & PreserveNational Park & Preserve
Plan your tripBent's Old Fort National Historic Site

Plan your hummingbird trip in Colorado

Start with live tours near Bent's Old Fort National Historic Site, then compare a nearby stay and a broader wildlife backup before you lock in the trip.

Gear to see them

Frequently asked questions

What is the best month to see hummingbirds in Colorado?+

July is the single best month, and the broader peak window runs through July, August and June, based on 8,134 verified iNaturalist observations.

When are hummingbirds hardest to see in Colorado?+

January is the quietest month for hummingbirds in Colorado, with no verified records on iNaturalist.

Are hummingbirds active year-round in Colorado?+

Hummingbirds are recorded in 11 of 12 months in Colorado, so they can be seen year-round, with a clear peak in July.