10 butterflies were recorded flying in Hawaii in July in our iNaturalist sample; 1 of the top 50 are at their peak this month. The list is ranked by number of research-grade observations.
Top butterflies in July

Gulf Fritillary

Monarch

Fiery Skipper

Small White
Sleepy Orange

Red Admiral

Painted Lady

American Lady

Large Orange Sulphur

Western Pygmy-Blue
All butterflies flying in Hawaii in July
| # | Species | Scientific name | Family | Obs. | Peak in state |
|---|---|---|---|---|---|
| 1 | Gulf Fritillary | Dione vanillae | Brush-footed Butterflies | 109 | Jan (past peak) |
| 2 | Monarch | Danaus plexippus | Brush-footed Butterflies | 77 | Jan (past peak) |
| 3 | Fiery Skipper | Hylephila phyleus | Skippers | 21 | Jan (past peak) |
| 4 | Small White | Pieris rapae | Whites, Yellows, and Sulphurs | 17 | Mar (past peak) |
| 5 | Sleepy Orange | Eurema nicippe | Whites, Yellows, and Sulphurs | 17 | Mar (past peak) |
| 6 | Red Admiral | Vanessa atalanta | Brush-footed Butterflies | 11 | Jul (peak) |
| 7 | Painted Lady | Vanessa cardui | Brush-footed Butterflies | 8 | Mar (past peak) |
| 8 | American Lady | Vanessa virginiensis | Brush-footed Butterflies | 8 | May (past peak) |
| 9 | Large Orange Sulphur | Phoebis agarithe | Whites, Yellows, and Sulphurs | 8 | Jan (past peak) |
| 10 | Western Pygmy-Blue | Brephidium exilis | Gossamer-winged Butterflies | 5 | Mar (past peak) |