Best Time to See Great Blue Herons in Alaska
August, September and December is the best time to see great blue herons in Alaska. Based on 539 verified iNaturalist observations, here is exactly when great blue herons are most active across the year in Alaska.
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 · Bruce Slater CC BY
Great Blue Heron · Matt Muir CC BY
Great Blue Heron · Casey H. Richart CC BY
539 verified observations of great blue herons in Alaska, recorded across 12 months of the year on iNaturalist.
When great blue herons are recorded in Alaska
Peak month
August
75 records (13.9% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 42 | 7.8% |
| February | 47 | 8.7% |
| March | 34 | 6.3% |
| April | 31 | 5.8% |
| May | 46 | 8.5% |
| June | 48 | 8.9% |
| July | 43 | 8% |
| Augustpeak | 75 | 13.9% |
| Septemberpeak | 57 | 10.6% |
| October | 35 | 6.5% |
| November | 32 | 5.9% |
| Decemberpeak | 49 | 9.1% |
Great Blue Herons you are most likely to see
| Species | Verified observations |
|---|---|
| Great Blue Heron | 539 |
Weather to expect, source Open-Meteo
Typical weather in Alaska
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 12 to 66 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 20°F | 11°F | 1.8" |
| Feb | 24°F | 14°F | 2.4" |
| Mar | 33°F | 19°F | 1.7" |
| Apr | 44°F | 27°F | 1.3" |
| May | 58°F | 41°F | 1.8" |
| Jun | 67°F | 50°F | 1.2" |
| Jul | 69°F | 54°F | 3.5" |
| Augbest time | 66°F | 52°F | 4.5" |
| Sepbest time | 55°F | 43°F | 5.2" |
| Oct | 42°F | 32°F | 3.7" |
| Nov | 27°F | 18°F | 3.6" |
| Decbest time | 22°F | 12°F | 3.1" |
Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for Alaska. Weather varies year to year, so treat these as a guide.
Sightings of great blue herons in Alaska peak in August, when 75 of the year's 539 verified observations are logged — about 13.9% of the annual total. Activity stays high through August, September and December.
The quietest stretch is April, November and March, when great blue herons are hardest to find — April sees just 31 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 Alaska 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 Alaska
- St. Paul Island
- Gambell (general area)
- Ketchikan (general area)
- Gustavus (general area)
- Mendenhall Wetlands SGR (general area)
- Gustavus--Forelands
Frequently asked questions
What is the best month to see great blue herons in Alaska?+
August is the single best month, and the broader peak window runs through August, September and December, based on 539 verified iNaturalist observations.
When are great blue herons hardest to see in Alaska?+
April is the quietest month for great blue herons in Alaska, with only 31 verified records.
Are great blue herons active year-round in Alaska?+
Great blue herons are recorded in 12 of 12 months in Alaska, so they can be seen year-round, with a clear peak in August.
More wildlife in Alaska