Best Time to See Eastern Bluebirds in Colorado
January, April and December is the best time to see eastern bluebirds in Colorado. Based on 134 verified iNaturalist observations, here is exactly when eastern bluebirds are most active across the year in Colorado.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated July 20, 2026.
Eastern Bluebird · Archer Silverman CC BY
134 verified observations of eastern bluebirds in Colorado, recorded across 12 months of the year on iNaturalist.
When eastern bluebirds are recorded in Colorado
Peak month
January
26 records (19.4% of the year)
| Month | Observations | Share |
|---|---|---|
| Januarypeak | 26 | 19.4% |
| February | 3 | 2.2% |
| March | 13 | 9.7% |
| Aprilpeak | 18 | 13.4% |
| May | 12 | 9% |
| June | 12 | 9% |
| July | 5 | 3.7% |
| August | 3 | 2.2% |
| September | 3 | 2.2% |
| October | 9 | 6.7% |
| November | 12 | 9% |
| Decemberpeak | 18 | 13.4% |
Eastern Bluebirds you are most likely to see
| Species | Verified observations |
|---|---|
| Eastern Bluebird | 134 |
Weather to expect, source Open-Meteo
Typical weather in Colorado
Recent typical conditions by month, so you can plan a trip around both when eastern bluebirds are active and what the weather is doing. The best months to look for eastern bluebirds sit around 5 to 46 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Janbest time | 27°F | 5°F | 0.5" |
| Feb | 27°F | 3°F | 0.9" |
| Mar | 34°F | 9°F | 1.3" |
| Aprbest time | 46°F | 20°F | 1.1" |
| May | 57°F | 31°F | 2.5" |
| Jun | 69°F | 42°F | 2.1" |
| Jul | 76°F | 49°F | 2.5" |
| Aug | 75°F | 48°F | 1.7" |
| Sep | 69°F | 41°F | 1.1" |
| Oct | 54°F | 27°F | 0.8" |
| Nov | 40°F | 18°F | 0.6" |
| Decbest time | 30°F | 10°F | 0.9" |
Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for Colorado. Weather varies year to year, so treat these as a guide.
Sightings of eastern bluebirds in Colorado peak in January, when 26 of the year's 134 verified observations are logged — about 19.4% of the annual total. Activity stays high through January, April and December.
The quietest stretch is February, August and September, when eastern bluebirds are hardest to find — February sees just 3 records. If a reliable sighting matters, plan around the peak window rather than the off-season.
The eastern bluebirds you are most likely to encounter in Colorado are Eastern Bluebird — 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 eastern bluebirds in Colorado
- Bent's Old Fort National Historic Site — National Historic Site
- Black Canyon Of The Gunnison National Park — National Park
- Colorado National Monument — National Monument
- Curecanti National Recreation Area — National Recreation Area
- Dinosaur National Monument — National Monument
- Great Sand Dunes National Park & Preserve — National Park & Preserve
Frequently asked questions
What is the best month to see eastern bluebirds in Colorado?+
January is the single best month, and the broader peak window runs through January, April and December, based on 134 verified iNaturalist observations.
When are eastern bluebirds hardest to see in Colorado?+
February is the quietest month for eastern bluebirds in Colorado, with only 3 verified records.
Are eastern bluebirds active year-round in Colorado?+
Eastern bluebirds are recorded in 12 of 12 months in Colorado, so they can be seen year-round, with a clear peak in January.
More wildlife in Colorado