Best Time to See Great Blue Herons in Arizona
April, May and March is the best time to see great blue herons in Arizona. Based on 4,067 verified iNaturalist observations, here is exactly when great blue herons are most active across the year in Arizona.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated July 20, 2026.
Great Blue Heron · Dan Vickers CC BY
Great Blue Heron · k7hpn CC BY
Great Blue Heron · Public domain CC0
4,067 verified observations of great blue herons in Arizona, recorded across 12 months of the year on iNaturalist.
When great blue herons are recorded in Arizona
Peak month
April
569 records (14% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 387 | 9.5% |
| February | 315 | 7.7% |
| Marchpeak | 394 | 9.7% |
| Aprilpeak | 569 | 14% |
| Maypeak | 431 | 10.6% |
| June | 323 | 7.9% |
| July | 274 | 6.7% |
| August | 227 | 5.6% |
| September | 223 | 5.5% |
| October | 234 | 5.8% |
| November | 338 | 8.3% |
| December | 352 | 8.7% |
Great Blue Herons you are most likely to see
| Species | Verified observations |
|---|---|
| Great Blue Heron | 4,067 |
Weather to expect, source Open-Meteo
Typical weather in Arizona
Recent typical conditions by month, so you can plan a trip around both when great blue herons are active and what the weather is doing. The best months to look for great blue herons sit around 39 to 77 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 52°F | 34°F | 1.9" |
| Feb | 52°F | 34°F | 1.9" |
| Marbest time | 58°F | 39°F | 2.7" |
| Aprbest time | 71°F | 49°F | 0.2" |
| Maybest time | 77°F | 56°F | 0.3" |
| Jun | 88°F | 66°F | 0.3" |
| Jul | 91°F | 72°F | 2.7" |
| Aug | 88°F | 70°F | 2.2" |
| Sep | 84°F | 64°F | 1.4" |
| Oct | 73°F | 52°F | 0.6" |
| Nov | 63°F | 43°F | 1.5" |
| Dec | 53°F | 36°F | 2" |
Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for Arizona. Weather varies year to year, so treat these as a guide.
Sightings of great blue herons in Arizona peak in April, when 569 of the year's 4,067 verified observations are logged — about 14% of the annual total. Activity stays high through April, May and March.
The quietest stretch is September, August and October, when great blue herons are hardest to find — September sees just 223 records. If a reliable sighting matters, plan around the peak window rather than the off-season.
The great blue herons you are most likely to encounter in Arizona are Great Blue Heron — 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 great blue herons in Arizona
- Chiricahua National Monument — National Monument
- Coronado National Memorial — National Memorial
- Fort Bowie National Historic Site — National Historic Site
- Grand Canyon National Park — National Park
- Lake Mead National Recreation Area — National Recreation Area
- Montezuma Castle National Monument — National Monument
Frequently asked questions
What is the best month to see great blue herons in Arizona?+
April is the single best month, and the broader peak window runs through April, May and March, based on 4,067 verified iNaturalist observations.
When are great blue herons hardest to see in Arizona?+
September is the quietest month for great blue herons in Arizona, with only 223 verified records.
Are great blue herons active year-round in Arizona?+
Great blue herons are recorded in 12 of 12 months in Arizona, so they can be seen year-round, with a clear peak in April.
More wildlife in Arizona