Best Time to See Great Blue Herons in Michigan
July, August and May is the best time to see great blue herons in Michigan. Based on 4,262 verified iNaturalist observations, here is exactly when great blue herons are most active across the year in Michigan.
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 · Public domain CC0

Great Blue Heron · Skyler Principe CC BY

Great Blue Heron · Public domain CC0
4,262 verified observations of great blue herons in Michigan, recorded across 12 months of the year on iNaturalist.
When great blue herons are recorded in Michigan
Peak month
July
694 records (16.3% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 53 | 1.2% |
| February | 67 | 1.6% |
| March | 132 | 3.1% |
| April | 406 | 9.5% |
| Maypeak | 656 | 15.4% |
| June | 599 | 14.1% |
| Julypeak | 694 | 16.3% |
| Augustpeak | 681 | 16% |
| September | 522 | 12.2% |
| October | 292 | 6.9% |
| November | 95 | 2.2% |
| December | 65 | 1.5% |
Great Blue Herons you are most likely to see
| Species | Verified observations |
|---|---|
| Great Blue Heron | 4,262 |
Weather to expect, source Open-Meteo
Typical weather in Michigan
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 45 to 80 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 27°F | 16°F | 2.3" |
| Feb | 28°F | 13°F | 2.4" |
| Mar | 40°F | 23°F | 3" |
| Apr | 51°F | 33°F | 2.8" |
| Maybest time | 65°F | 45°F | 3.7" |
| Jun | 76°F | 55°F | 2.8" |
| Julbest time | 80°F | 61°F | 3.6" |
| Augbest time | 77°F | 59°F | 3.3" |
| Sep | 69°F | 53°F | 3.4" |
| Oct | 55°F | 42°F | 4.7" |
| Nov | 42°F | 30°F | 2.5" |
| Dec | 34°F | 23°F | 2.7" |
Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for Michigan. Weather varies year to year, so treat these as a guide.
Sightings of great blue herons in Michigan peak in July, when 694 of the year's 4,262 verified observations are logged — about 16.3% of the annual total. Activity stays high through July, August and May.
The quietest stretch is January, December and February, when great blue herons are hardest to find — January sees just 53 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 Michigan 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 Michigan
- Isle Royale National Park — National Park
- North Country National Scenic Trail — National Scenic Trail
- Pictured Rocks National Lakeshore — National Lakeshore
- River Raisin National Battlefield Park — National Battlefield Park
- Sleeping Bear Dunes National Lakeshore — National Lakeshore
- Keweenaw National Historical Park — National Historical Park
Frequently asked questions
What is the best month to see great blue herons in Michigan?+
July is the single best month, and the broader peak window runs through July, August and May, based on 4,262 verified iNaturalist observations.
When are great blue herons hardest to see in Michigan?+
January is the quietest month for great blue herons in Michigan, with only 53 verified records.
Are great blue herons active year-round in Michigan?+
Great blue herons are recorded in 12 of 12 months in Michigan, so they can be seen year-round, with a clear peak in July.
More wildlife in Michigan