Best Time to See Herons in Hawaii
March, December and May is the best time to see herons in Hawaii. Based on 11,297 verified iNaturalist observations, here is exactly when herons are most active across the year in Hawaii.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 28, 2026.
Black-crowned Night Heron · Kyle Van Houtan CC BY
Western Cattle-Egret · Damien Wallace CC BY
Western Cattle-Egret · Public domain CC0
11,297 verified observations of herons in Hawaii, recorded across 12 months of the year on iNaturalist.
When herons are recorded in Hawaii
Peak month
March
1,235 records (10.9% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 1,060 | 9.4% |
| February | 920 | 8.1% |
| Marchpeak | 1,235 | 10.9% |
| April | 1,043 | 9.2% |
| Maypeak | 1,125 | 10% |
| June | 977 | 8.6% |
| July | 817 | 7.2% |
| August | 772 | 6.8% |
| September | 685 | 6.1% |
| October | 687 | 6.1% |
| November | 842 | 7.5% |
| Decemberpeak | 1,134 | 10% |
Herons you are most likely to see
| Species | Verified observations |
|---|---|
| Western Cattle-Egret | 6,363 |
| Black-crowned Night Heron | 4,922 |
| Great Egret | 3 |
| Snowy Egret | 1 |
Weather to expect, source Open-Meteo
Typical weather in Hawaii
Recent typical conditions by month, so you can plan a trip around both when herons are active and what the weather is doing. The best months to look for herons sit around 57 to 72 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 69°F | 57°F | 8.6" |
| Feb | 68°F | 56°F | 15.6" |
| Marbest time | 70°F | 57°F | 11.5" |
| Apr | 71°F | 58°F | 15.1" |
| Maybest time | 72°F | 59°F | 17.2" |
| Jun | 74°F | 61°F | 18.8" |
| Jul | 76°F | 62°F | 18.1" |
| Aug | 76°F | 62°F | 16" |
| Sep | 76°F | 62°F | 19.4" |
| Oct | 75°F | 62°F | 11.3" |
| Nov | 73°F | 60°F | 10" |
| Decbest time | 71°F | 58°F | 13.7" |
Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for Hawaii. Weather varies year to year, so treat these as a guide.
More on herons in Hawaii:
Sightings of herons in Hawaii peak in March, when 1,235 of the year's 11,297 verified observations are logged — about 10.9% of the annual total. Activity stays high through March, December and May.
The quietest stretch is September, October and August, when herons are hardest to find — September sees just 685 records. If a reliable sighting matters, plan around the peak window rather than the off-season.
The herons you are most likely to encounter in Hawaii are Western Cattle-Egret, Black-crowned Night Heron and Great Egret — 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 herons in Hawaii
- Ala Kahakai National Historic Trail — National Historic Trail
- Hawaiʻi Volcanoes National Park — National Park
- Kaloko-Honokōhau National Historical Park — National Historical Park
- Puʻuhonua o Hōnaunau National Historical Park — National Historical Park
- Puʻukoholā Heiau National Historic Site — National Historic Site
- Haleakalā National Park — National Park
Gear to see them
Frequently asked questions
What is the best month to see herons in Hawaii?+
March is the single best month, and the broader peak window runs through March, December and May, based on 11,297 verified iNaturalist observations.
When are herons hardest to see in Hawaii?+
September is the quietest month for herons in Hawaii, with only 685 verified records.
Are herons active year-round in Hawaii?+
Herons are recorded in 12 of 12 months in Hawaii, so they can be seen year-round, with a clear peak in March.
More places to see herons
More wildlife in Hawaii