Best Time to See Herons in North Dakota
June, May and September is the best time to see herons in North Dakota. Based on 411 verified iNaturalist observations, here is exactly when herons are most active across the year in North Dakota.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated July 2, 2026.

Great Blue Heron · Esben Kjaer CC BY

American Bittern · Dan Vickers CC BY

Great Blue Heron · Marilynn Miller CC BY
411 verified observations of herons in North Dakota, recorded across 8 months of the year on iNaturalist.
When herons are recorded in North Dakota
Peak month
June
107 records (26% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 0 | 0% |
| February | 0 | 0% |
| March | 0 | 0% |
| April | 27 | 6.6% |
| Maypeak | 92 | 22.4% |
| Junepeak | 107 | 26% |
| July | 55 | 13.4% |
| August | 59 | 14.4% |
| Septemberpeak | 64 | 15.6% |
| October | 6 | 1.5% |
| November | 1 | 0.2% |
| December | 0 | 0% |
Herons you are most likely to see
| Species | Verified observations |
|---|---|
| Great Blue Heron | 124 |
| Black-crowned Night Heron | 69 |
| American Bittern | 67 |
| Great Egret | 60 |
| Western Cattle-Egret | 45 |
| Green Heron | 21 |
| Snowy Egret | 18 |
| Least Bittern | 3 |
Weather to expect, source Open-Meteo
Typical weather in North Dakota
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 43 to 77 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 21°F | 6°F | 0.7" |
| Feb | 18°F | 1°F | 0.7" |
| Mar | 34°F | 17°F | 0.7" |
| Apr | 46°F | 28°F | 2.1" |
| Maybest time | 64°F | 43°F | 2.3" |
| Junbest time | 77°F | 57°F | 2.8" |
| Jul | 80°F | 61°F | 2" |
| Aug | 79°F | 60°F | 2" |
| Sepbest time | 71°F | 52°F | 2.3" |
| Oct | 51°F | 36°F | 2.4" |
| Nov | 37°F | 23°F | 1" |
| Dec | 25°F | 11°F | 1.2" |
Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for North Dakota. Weather varies year to year, so treat these as a guide.
More on herons in North Dakota:
Sightings of herons in North Dakota peak in June, when 107 of the year's 411 verified observations are logged — about 26% of the annual total. Activity stays high through June, May and September.
The quietest stretch is January, February and March, when herons are hardest to find — no verified records exist for January. If a reliable sighting matters, plan around the peak window rather than the off-season.
The herons you are most likely to encounter in North Dakota are Great Blue Heron, Black-crowned Night Heron and American Bittern — 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 North Dakota
- Knife River Indian Villages National Historic Site — National Historic Site
- Lewis & Clark National Historic Trail — National Historic Trail
- North Country National Scenic Trail — National Scenic Trail
- Theodore Roosevelt National Park — National Park
- Fort Union Trading Post National Historic Site — National Historic Site
- Arrowwood NWR (general)
Gear to see them
Frequently asked questions
What is the best month to see herons in North Dakota?+
June is the single best month, and the broader peak window runs through June, May and September, based on 411 verified iNaturalist observations.
When are herons hardest to see in North Dakota?+
January is the quietest month for herons in North Dakota, with no verified records on iNaturalist.
Are herons active year-round in North Dakota?+
Herons are recorded in 8 of 12 months in North Dakota, concentrated around June and May.
More places to see herons
More wildlife in North Dakota