Best Time to See Pronghorns in Montana

September, June and May is the best time to see pronghorns in Montana. Based on 1,517 verified iNaturalist observations, here is exactly when pronghorns are most active across the year in Montana.

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By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 28, 2026.

Pronghorn photographed in Montana

Pronghorn · Jan Ebr & Ivana Ebrová CC BY

Pronghorn photographed in Montana

Pronghorn · Caleb Catto CC BY

Pronghorn photographed in Montana

Pronghorn · Casey H. Richart CC BY

Photos by iNaturalist observers, reused under the licence each observer chose.
Best months: September, June, May

1,517 verified observations of pronghorns in Montana, recorded across 12 months of the year on iNaturalist.

When pronghorns are recorded in Montana

Peak month

September

313 records (20.6% of the year)

Quietest month

December

23 records

MonthObservationsShare
January342.2%
February402.6%
March422.8%
April744.9%
Maypeak23115.2%
Junepeak26417.4%
July18912.5%
August18612.3%
Septemberpeak31320.6%
October754.9%
November463%
December231.5%

Pronghorns you are most likely to see

SpeciesVerified observations
Pronghorn1,517

Weather to expect, source Open-Meteo

Typical weather in Montana

Recent typical conditions by month, so you can plan a trip around both when pronghorns are active and what the weather is doing. The best months to look for pronghorns sit around 36 to 65 degrees Fahrenheit, so pack for that.

MonthAvg highAvg lowRain
Jan29°F17°F1"
Feb22°F9°F1.5"
Mar33°F18°F1.1"
Apr40°F24°F2.3"
Maybest time53°F36°F3.5"
Junbest time65°F47°F3.2"
Jul75°F55°F2"
Aug74°F54°F1.7"
Sepbest time65°F46°F2.1"
Oct46°F31°F2"
Nov36°F23°F1"
Dec30°F18°F1"

Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for Montana. Weather varies year to year, so treat these as a guide.

More on pronghorns in Montana:

Sightings of pronghorns in Montana peak in September, when 313 of the year's 1,517 verified observations are logged — about 20.6% of the annual total. Activity stays high through September, June and May.

The quietest stretch is December and January, when pronghorns are hardest to find — December sees just 23 records. If a reliable sighting matters, plan around the peak window rather than the off-season.

The pronghorns you are most likely to encounter in Montana are Pronghorn — 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 pronghorns in Montana

  • Big Hole National BattlefieldNational Battlefield
  • Bighorn Canyon National Recreation AreaNational Recreation Area
  • Grant-Kohrs Ranch National Historic SiteNational Historic Site
  • Lewis & Clark National Historic TrailNational Historic Trail
  • Nez Perce National Historical ParkNational Historical Park
  • Yellowstone National ParkNational Park

Frequently asked questions

What is the best month to see pronghorns in Montana?+

September is the single best month, and the broader peak window runs through September, June and May, based on 1,517 verified iNaturalist observations.

When are pronghorns hardest to see in Montana?+

December is the quietest month for pronghorns in Montana, with only 23 verified records.

Are pronghorns active year-round in Montana?+

Pronghorns are recorded in 12 of 12 months in Montana, so they can be seen year-round, with a clear peak in September.