Best Time to See Great Blue Herons in Vermont
August, September and July is the best time to see great blue herons in Vermont. Based on 2,764 verified iNaturalist observations, here is exactly when great blue herons are most active across the year in Vermont.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated July 20, 2026.
Northeastern Great Blue Heron · Richard Littauer CC BY
Great Blue Heron · Shirley Zundell CC BY
Northeastern Great Blue Heron · Alex Goodfriend CC BY
2,764 verified observations of great blue herons in Vermont, recorded across 12 months of the year on iNaturalist.
When great blue herons are recorded in Vermont
Peak month
August
488 records (17.7% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 22 | 0.8% |
| February | 16 | 0.6% |
| March | 94 | 3.4% |
| April | 312 | 11.3% |
| May | 328 | 11.9% |
| June | 221 | 8% |
| Julypeak | 420 | 15.2% |
| Augustpeak | 488 | 17.7% |
| Septemberpeak | 439 | 15.9% |
| October | 273 | 9.9% |
| November | 108 | 3.9% |
| December | 43 | 1.6% |
Great Blue Herons you are most likely to see
| Species | Verified observations |
|---|---|
| Great Blue Heron | 2,764 |
Weather to expect, source Open-Meteo
Typical weather in Vermont
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 51 to 77 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 27°F | 10°F | 3.3" |
| Feb | 29°F | 10°F | 3" |
| Mar | 39°F | 20°F | 2.8" |
| Apr | 50°F | 32°F | 4.3" |
| May | 63°F | 43°F | 3.3" |
| Jun | 72°F | 53°F | 4" |
| Julbest time | 77°F | 60°F | 6.2" |
| Augbest time | 75°F | 58°F | 4.1" |
| Sepbest time | 68°F | 51°F | 3.4" |
| Oct | 57°F | 41°F | 5.1" |
| Nov | 42°F | 26°F | 3.3" |
| Dec | 34°F | 20°F | 4.5" |
Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for Vermont. Weather varies year to year, so treat these as a guide.
Sightings of great blue herons in Vermont peak in August, when 488 of the year's 2,764 verified observations are logged — about 17.7% of the annual total. Activity stays high through August, September and July.
The quietest stretch is February and January, when great blue herons are hardest to find — February sees just 16 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 Vermont 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 Vermont
- Appalachian National Scenic Trail — National Scenic Trail
- Marsh - Billings - Rockefeller National Historical Park — National Historical Park
- North Country National Scenic Trail — National Scenic Trail
- Dead Creek WMA IBA
- Missisquoi NWR IBA
- Shelburne Bay
Frequently asked questions
What is the best month to see great blue herons in Vermont?+
August is the single best month, and the broader peak window runs through August, September and July, based on 2,764 verified iNaturalist observations.
When are great blue herons hardest to see in Vermont?+
February is the quietest month for great blue herons in Vermont, with only 16 verified records.
Are great blue herons active year-round in Vermont?+
Great blue herons are recorded in 12 of 12 months in Vermont, so they can be seen year-round, with a clear peak in August.
More wildlife in Vermont