Monarch Butterflies in New Jersey in August
Yes, August is one of the best months to see monarch butterflies in New Jersey. It is the 1st busiest month of the year, with 2,293 of the 7,701 sightings logged across the year (29.8%), based on verified iNaturalist records.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 28, 2026.
Peak month for monarch butterflies in New Jersey
29.8%
of yearly sightings
2,293
records in August
#1
busiest month of 12
7,701
verified records a year
July 21.7%, August 29.8%, September 25.4%. Busiest month is August at 29.8%.
7,701 verified observations of monarch butterflies in New Jersey, recorded across 12 months of the year on iNaturalist.
When monarch butterflies are recorded in New Jersey
Peak month
August
2,293 records (29.8% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 2 | 0% |
| February | 1 | 0% |
| March | 5 | 0.1% |
| April | 21 | 0.3% |
| May | 114 | 1.5% |
| June | 464 | 6% |
| Julypeak | 1,668 | 21.7% |
| Augustpeak | 2,293 | 29.8% |
| Septemberpeak | 1,956 | 25.4% |
| October | 1,107 | 14.4% |
| November | 69 | 0.9% |
| December | 1 | 0% |
Monarch Butterflies you are most likely to see
| Species | Verified observations |
|---|---|
| Monarch | 7,701 |
In New Jersey, August carries 29.8% of the year's monarch butterflies sightings, about 21.5 points above an even month-to-month split. That makes it the 1st busiest of the twelve months, out of 12 months with recorded activity.
Activity is rising from July (21.7%) into August, and it heads toward September (25.4%) after. This is right inside the peak window, so August is one of the surest months to plan a trip around.
The monarch butterflies most often recorded in New Jersey are Monarch. Those counts are annual totals rather than a August split, so treat them as which species you are likely to encounter, while the month figures above show how many sightings fall in August itself.
Which monarch butterflies you are most likely to see
- Monarch7,701 records
Plan your monarch butterfly trip in New Jersey
Start with live tours near Appalachian National Scenic Trail, then compare a nearby stay and a broader wildlife backup before you lock in the trip.
GetYourGuide
Live tours nearbySee live tours near Appalachian National Scenic Trail
Use the live GetYourGuide widget to compare local departures and activity styles close to the main monarch butterfly viewing area.
Booking.com
Stay nearbyStay near Appalachian National Scenic Trail
Compare hotels, cabins and lodges close to the best monarch butterfly viewing area in New Jersey.
Viator
Broader backupBook a monarch butterfly tour in New Jersey
Compare guided wildlife tours, boat trips and nature experiences if you want a second travel network beyond the live widget.
Frequently asked questions
Can you see monarch butterflies in New Jersey in August?+
Yes. August accounts for 2,293 of the 7,701 verified monarch butterflies sightings logged in New Jersey across the year, which is 29.8% of the annual total.
Is August a good time to see monarch butterflies in New Jersey?+
August is one of the best months. It ranks 1st of the year and sits inside the peak window of August, September and July.
What month is best for monarch butterflies in New Jersey?+
August is the single busiest month, with the broader peak running through August, September and July, based on 7,701 verified observations.
Which monarch butterflies are you most likely to see in New Jersey?+
The most-recorded species in New Jersey are Monarch, based on all-time iNaturalist counts.
See monarch butterflies in New Jersey in other months
More wildlife in New Jersey