60 butterflies were recorded flying in New Hampshire in July in our iNaturalist sample; 25 of the top 50 are at their peak this month. The list is ranked by number of research-grade observations.
Top butterflies in July

Monarch

Great Spangled Fritillary

Silver-spotted Skipper

Dun Skipper
American Copper

American Lady
Common Wood-Nymph
Atlantis Fritillary
Northern Pearly-eye

Northern Broken-Dash

Small White

Eastern Tailed-Blue
All butterflies flying in New Hampshire in July
| # | Species | Scientific name | Family | Obs. | Peak in state |
|---|---|---|---|---|---|
| 1 | Monarch | Danaus plexippus | Brush-footed Butterflies | 1,278 | Aug (rising) |
| 2 | Great Spangled Fritillary | Argynnis cybele | Brush-footed Butterflies | 841 | Jul (peak) |
| 3 | Silver-spotted Skipper | Epargyreus clarus | Skippers | 809 | Jul (peak) |
| 4 | Dun Skipper | Euphyes vestris | Skippers | 497 | Jul (peak) |
| 5 | American Copper | Lycaena hypophlaeas | Gossamer-winged Butterflies | 483 | Jul (peak) |
| 6 | American Lady | Vanessa virginiensis | Brush-footed Butterflies | 452 | Jul (peak) |
| 7 | Common Wood-Nymph | Cercyonis pegala | Brush-footed Butterflies | 392 | Jul (peak) |
| 8 | Atlantis Fritillary | Argynnis atlantis | Brush-footed Butterflies | 367 | Jul (peak) |
| 9 | Northern Pearly-eye | Lethe anthedon | Brush-footed Butterflies | 357 | Jul (peak) |
| 10 | Northern Broken-Dash | Polites egeremet | Skippers | 318 | Jul (peak) |
| 11 | Small White | Pieris rapae | Whites, Yellows, and Sulphurs | 300 | Aug (rising) |
| 12 | Eastern Tailed-Blue | Everes comyntas | Gossamer-winged Butterflies | 264 | Aug (rising) |
| 13 | Long Dash | Limochores mystic | Skippers | 264 | Jun (past peak) |
| 14 | Appalachian Brown | Lethe appalachia | Brush-footed Butterflies | 262 | Jul (peak) |
| 15 | Gray Hairstreak | Strymon melinus | Gossamer-winged Butterflies | 231 | Jul (peak) |
| 16 | Clouded Sulphur | Colias philodice | Whites, Yellows, and Sulphurs | 207 | Jul (peak) |
| 17 | Peck's Skipper | Polites peckius | Skippers | 192 | Aug (rising) |
| 18 | Red Admiral | Vanessa atalanta | Brush-footed Butterflies | 186 | May (past peak) |
| 19 | Little Wood Satyr | Megisto cymela | Brush-footed Butterflies | 184 | Jun (past peak) |
| 20 | Eyed Brown | Lethe eurydice | Brush-footed Butterflies | 179 | Jul (peak) |
| 21 | Delaware Skipper | Anatrytone logan | Skippers | 176 | Jul (peak) |
| 22 | Aphrodite Fritillary | Argynnis aphrodite | Brush-footed Butterflies | 167 | Jul (peak) |
| 23 | Spicebush Swallowtail | Papilio troilus | Swallowtails and Parnassians | 164 | Jul (peak) |
| 24 | Wild Indigo Duskywing | Erynnis baptisiae | Skippers | 143 | Jul (peak) |
| 25 | Red-spotted Admiral | Limenitis arthemis | Brush-footed Butterflies | 134 | Jun (past peak) |
| 26 | Coral Hairstreak | Satyrium titus | Gossamer-winged Butterflies | 128 | Jul (peak) |
| 27 | Little Glassywing | Vernia verna | Skippers | 126 | Jul (peak) |
| 28 | Karner Blue | Plebejus samuelis | Gossamer-winged Butterflies | 125 | Jul (peak) |
| 29 | American Silver-bordered Fritillary | Boloria myrina | Brush-footed Butterflies | 115 | Aug (rising) |
| 30 | Viceroy | Limenitis archippus | Brush-footed Butterflies | 100 | Jun (past peak) |
| 31 | Banded Hairstreak | Satyrium calanus | Gossamer-winged Butterflies | 95 | Jul (peak) |
| 32 | Baltimore Checkerspot | Euphydryas phaeton | Brush-footed Butterflies | 86 | Jun (past peak) |
| 33 | Common Ringlet | Coenonympha california | Brush-footed Butterflies | 83 | Jun (past peak) |
| 34 | Canadian Tiger Swallowtail | Papilio canadensis | Swallowtails and Parnassians | 82 | Jun (past peak) |
| 35 | Horace's Duskywing | Erynnis horatius | Skippers | 81 | Jul (peak) |
| 36 | Mourning Cloak | Nymphalis antiopa | Brush-footed Butterflies | 80 | Apr (past peak) |
| 37 | Green Comma | Polygonia faunus | Brush-footed Butterflies | 80 | Aug (rising) |
| 38 | Hobomok Skipper | Lon hobomok | Skippers | 74 | Jun (past peak) |
| 39 | Essex Skipper | Thymelicus lineola | Skippers | 71 | Jun (past peak) |
| 40 | Eastern Comma | Polygonia comma | Brush-footed Butterflies | 67 | Jul (peak) |
| 41 | Pearl Crescent | Phyciodes tharos | Brush-footed Butterflies | 66 | Jul (peak) |
| 42 | Least Skipper | Ancyloxypha numitor | Skippers | 66 | Aug (rising) |
| 43 | Broad-winged Skipper | Poanes viator | Skippers | 63 | Jul (peak) |
| 44 | Tawny-edged Skipper | Polites themistocles | Skippers | 58 | Jun (past peak) |
| 45 | Orange Sulphur | Colias eurytheme | Whites, Yellows, and Sulphurs | 47 | Sep (rising) |
| 46 | Question Mark | Polygonia interrogationis | Brush-footed Butterflies | 46 | Aug (rising) |
| 47 | Painted Lady | Vanessa cardui | Brush-footed Butterflies | 30 | Aug (rising) |
| 48 | Harvester | Feniseca tarquinius | Gossamer-winged Butterflies | 25 | Jun (past peak) |
| 49 | Eastern Tiger Swallowtail | Papilio glaucus | Swallowtails and Parnassians | 24 | Aug (rising) |
| 50 | Meadow Fritillary | Boloria bellona | Brush-footed Butterflies | 22 | Aug (rising) |