10 butterflies were recorded flying in Hawaii in March in our iNaturalist sample; 4 of the top 50 are at their peak this month. The list is ranked by number of research-grade observations.
Top butterflies in March

Monarch

Gulf Fritillary

Small White

Fiery Skipper

Western Pygmy-Blue
Sleepy Orange

Large Orange Sulphur

Painted Lady

American Lady

Red Admiral
All butterflies flying in Hawaii in March
| # | Species | Scientific name | Family | Obs. | Peak in state |
|---|---|---|---|---|---|
| 1 | Monarch | Danaus plexippus | Brush-footed Butterflies | 203 | Jan (past peak) |
| 2 | Gulf Fritillary | Dione vanillae | Brush-footed Butterflies | 194 | Jan (past peak) |
| 3 | Small White | Pieris rapae | Whites, Yellows, and Sulphurs | 81 | Mar (peak) |
| 4 | Fiery Skipper | Hylephila phyleus | Skippers | 68 | Jan (past peak) |
| 5 | Western Pygmy-Blue | Brephidium exilis | Gossamer-winged Butterflies | 53 | Mar (peak) |
| 6 | Sleepy Orange | Eurema nicippe | Whites, Yellows, and Sulphurs | 47 | Mar (peak) |
| 7 | Large Orange Sulphur | Phoebis agarithe | Whites, Yellows, and Sulphurs | 27 | Jan (past peak) |
| 8 | Painted Lady | Vanessa cardui | Brush-footed Butterflies | 24 | Mar (peak) |
| 9 | American Lady | Vanessa virginiensis | Brush-footed Butterflies | 7 | May (rising) |
| 10 | Red Admiral | Vanessa atalanta | Brush-footed Butterflies | 5 | Jul (rising) |