Best Time to See Monarch Butterflies in Nevada

September, August and October is the best time to see monarch butterflies in Nevada. Based on 944 verified iNaturalist observations, here is exactly when monarch butterflies are most active across the year in Nevada.

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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.

Migratory Monarch photographed in NevadaMonarch photographed in NevadaMonarch photographed in Nevada
Photos by iNaturalist observers, used under Creative Commons.
Best months: September, August, October

944 verified observations of monarch butterflies in Nevada, recorded across 12 months of the year on iNaturalist.

When monarch butterflies are recorded in Nevada

Peak month

September

244 records (25.8% of the year)

Quietest month

March

7 records

MonthObservationsShare
January111.2%
February151.6%
March70.7%
April141.5%
May141.5%
June576%
July12813.6%
Augustpeak20021.2%
Septemberpeak24425.8%
Octoberpeak17618.6%
November606.4%
December181.9%

Monarch Butterflies you are most likely to see

SpeciesVerified observations
Monarch944

Sightings of monarch butterflies in Nevada peak in September, when 244 of the year's 944 verified observations are logged — about 25.8% of the annual total. Activity stays high through September, August and October.

The quietest stretch is March, when monarch butterflies are hardest to find — March sees just 7 records. If a reliable sighting matters, plan around the peak window rather than the off-season.

The monarch butterflies you are most likely to encounter in Nevada are Monarch — 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 monarch butterflies in Nevada

  • Death Valley National Park — National Park
  • Great Basin National Park — National Park
  • Lake Mead National Recreation Area — National Recreation Area
  • Tule Springs Fossil Beds National Monument — National Monument
  • California National Historic Trail — National Historic Trail
  • Old Spanish National Historic Trail — National Historic Trail
Plan your tripDeath Valley National Park

Plan your monarch butterfly trip in Nevada

Start with live tours near Death Valley National Park, then compare a nearby stay and a broader wildlife backup before you lock in the trip.

Frequently asked questions

What is the best month to see monarch butterflies in Nevada?+

September is the single best month, and the broader peak window runs through September, August and October, based on 944 verified iNaturalist observations.

When are monarch butterflies hardest to see in Nevada?+

March is the quietest month for monarch butterflies in Nevada, with only 7 verified records.

Are monarch butterflies active year-round in Nevada?+

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