Best Time to See Bison in Arizona
June, July and August is the best time to see bison in Arizona. Based on 226 verified iNaturalist observations, here is exactly when bison are most active across the year in Arizona.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated July 2, 2026.

American Bison · John Brew CC BY

American Bison · Isaac Krone CC BY

American Bison · Nelson Balcar CC BY
226 verified observations of bison in Arizona, recorded across 10 months of the year on iNaturalist.
When bison are recorded in Arizona
Peak month
June
66 records (29.2% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 1 | 0.4% |
| February | 0 | 0% |
| March | 4 | 1.8% |
| April | 0 | 0% |
| May | 13 | 5.8% |
| Junepeak | 66 | 29.2% |
| Julypeak | 56 | 24.8% |
| Augustpeak | 37 | 16.4% |
| September | 26 | 11.5% |
| October | 13 | 5.8% |
| November | 8 | 3.5% |
| December | 2 | 0.9% |
Bison you are most likely to see
| Species | Verified observations |
|---|---|
| American Bison | 226 |
Weather to expect, source Open-Meteo
Typical weather in Arizona
Recent typical conditions by month, so you can plan a trip around both when bison are active and what the weather is doing. The best months to look for bison sit around 66 to 91 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 52°F | 34°F | 1.9" |
| Feb | 52°F | 34°F | 1.9" |
| Mar | 58°F | 39°F | 2.7" |
| Apr | 71°F | 49°F | 0.2" |
| May | 77°F | 56°F | 0.3" |
| Junbest time | 88°F | 66°F | 0.3" |
| Julbest time | 91°F | 72°F | 2.7" |
| Augbest time | 88°F | 70°F | 2.2" |
| Sep | 84°F | 64°F | 1.4" |
| Oct | 73°F | 52°F | 0.6" |
| Nov | 63°F | 43°F | 1.5" |
| Dec | 53°F | 36°F | 2" |
Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for Arizona. Weather varies year to year, so treat these as a guide.
More on bison in Arizona:
Sightings of bison in Arizona peak in June, when 66 of the year's 226 verified observations are logged — about 29.2% of the annual total. Activity stays high through June, July and August.
The quietest stretch is February, April and January, when bison are hardest to find — no verified records exist for February. If a reliable sighting matters, plan around the peak window rather than the off-season.
The bison you are most likely to encounter in Arizona are American Bison — 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 bison in Arizona
- Chiricahua National Monument — National Monument
- Coronado National Memorial — National Memorial
- Fort Bowie National Historic Site — National Historic Site
- Grand Canyon National Park — National Park
- Lake Mead National Recreation Area — National Recreation Area
- Montezuma Castle National Monument — National Monument
Gear to see them
Frequently asked questions
What is the best month to see bison in Arizona?+
June is the single best month, and the broader peak window runs through June, July and August, based on 226 verified iNaturalist observations.
When are bison hardest to see in Arizona?+
February is the quietest month for bison in Arizona, with no verified records on iNaturalist.
Are bison active year-round in Arizona?+
Bison are recorded in 10 of 12 months in Arizona, concentrated around June and July.
More places to see bison
More wildlife in Arizona