Dragonflies in Oregon in May

Yes, May is a good month to see dragonflies in Oregon. It is the 4th busiest month of the year, with 4,395 of the 41,214 sightings logged across the year (10.7%), based on verified iNaturalist records.

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By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated July 2, 2026.

Beaverpond × Spiny Baskettail photographed in OregonWidow Skimmer photographed in OregonOlive Clubtail photographed in Oregon
Photos by iNaturalist observers, used under Creative Commons.

Good month for dragonflies in Oregon

10.7%

of yearly sightings

4,395

records in May

#4

busiest month of 12

41,214

verified records a year

April 2.2%, May 10.7%, June 23.4%. Busiest month is July at 28.4%.

Best months: July, June, AugustPeak season right now

41,214 verified observations of dragonflies in Oregon, recorded across 12 months of the year on iNaturalist.

When dragonflies are recorded in Oregon

Peak month

July

11,721 records (28.4% of the year)

Quietest month

December

15 records

MonthObservationsShare
January160%
February300.1%
March1100.3%
April8912.2%
May4,39510.7%
Junepeak9,65723.4%
Julypeak11,72128.4%
Augustpeak8,53520.7%
September3,9739.6%
October1,7344.2%
November1370.3%
December150%

Dragonflies you are most likely to see

SpeciesVerified observations
Pacific Forktail2,699
Eight-spotted Skimmer2,092
Common Whitetail2,062
Striped Meadowhawk1,767
Tule Bluet1,676
Vivid Dancer1,432
Blue Dasher1,427
Cardinal Meadowhawk1,348

In Oregon, May carries 10.7% of the year's dragonflies sightings, about 2.4 points above an even month-to-month split. That makes it the 4th busiest of the twelve months, out of 12 months with recorded activity.

Activity is rising from April (2.2%) into May, and it heads toward June (23.4%) after. The busiest month is July (28.4%), so if timing is flexible, that window is the safer bet.

The dragonflies most often recorded in Oregon are Pacific Forktail, Eight-spotted Skimmer and Common Whitetail. Those counts are annual totals rather than a May split, so treat them as which species you are likely to encounter, while the month figures above show how many sightings fall in May itself.

Which dragonflies you are most likely to see

  • Pacific Forktail2,699 records
  • Eight-spotted Skimmer2,092 records
  • Common Whitetail2,062 records
  • Striped Meadowhawk1,767 records
  • Tule Bluet1,676 records
  • Vivid Dancer1,432 records
Plan your tripCrater Lake National Park

Plan your dragonfly trip in Oregon

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

Frequently asked questions

Can you see dragonflies in Oregon in May?+

Yes. May accounts for 4,395 of the 41,214 verified dragonflies sightings logged in Oregon across the year, which is 10.7% of the annual total.

Is May a good time to see dragonflies in Oregon?+

May is the 4th busiest month. It is workable, though July and June is the stronger window for a reliable sighting.

What month is best for dragonflies in Oregon?+

July is the single busiest month, with the broader peak running through July, June and August, based on 41,214 verified observations.

Which dragonflies are you most likely to see in Oregon?+

The most-recorded species in Oregon are Pacific Forktail, Eight-spotted Skimmer and Common Whitetail, based on all-time iNaturalist counts.