Best Time to See Dragonflies in South Dakota
July, June and August is the best time to see dragonflies in South Dakota. Based on 3,141 verified iNaturalist observations, here is exactly when dragonflies are most active across the year in South Dakota.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated July 2, 2026.
Rainbow Bluet · Paul Bedell CC BY-SA
Twelve-spotted Skimmer · Public domain CC0
Variegated Meadowhawk · Public domain CC0
3,141 verified observations of dragonflies in South Dakota, recorded across 10 months of the year on iNaturalist.
When dragonflies are recorded in South Dakota
Peak month
July
1,020 records (32.5% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 0 | 0% |
| February | 3 | 0.1% |
| March | 6 | 0.2% |
| April | 42 | 1.3% |
| May | 158 | 5% |
| Junepeak | 910 | 29% |
| Julypeak | 1,020 | 32.5% |
| Augustpeak | 603 | 19.2% |
| September | 345 | 11% |
| October | 47 | 1.5% |
| November | 7 | 0.2% |
| December | 0 | 0% |
Dragonflies you are most likely to see
| Species | Verified observations |
|---|---|
| Common Whitetail | 151 |
| Common Green Darner | 149 |
| Twelve-spotted Skimmer | 146 |
| Band-winged Meadowhawk | 135 |
| Widow Skimmer | 132 |
| Eastern Forktail | 119 |
| Variegated Meadowhawk | 117 |
| Familiar Bluet | 87 |
Weather to expect, source Open-Meteo
Typical weather in South Dakota
Recent typical conditions by month, so you can plan a trip around both when dragonflies are active and what the weather is doing. The best months to look for dragonflies sit around 63 to 87 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 31°F | 16°F | 0.5" |
| Feb | 31°F | 11°F | 0.7" |
| Mar | 44°F | 25°F | 1.6" |
| Apr | 54°F | 34°F | 2.4" |
| May | 68°F | 49°F | 3.7" |
| Junbest time | 84°F | 63°F | 2.2" |
| Julbest time | 87°F | 67°F | 2.5" |
| Augbest time | 86°F | 66°F | 1.6" |
| Sep | 78°F | 58°F | 2.1" |
| Oct | 58°F | 40°F | 2" |
| Nov | 46°F | 29°F | 0.8" |
| Dec | 35°F | 19°F | 1.3" |
Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for South Dakota. Weather varies year to year, so treat these as a guide.
More on dragonflies in South Dakota:
Sightings of dragonflies in South Dakota peak in July, when 1,020 of the year's 3,141 verified observations are logged — about 32.5% of the annual total. Activity stays high through July, June and August.
The quietest stretch is January and December, when dragonflies are hardest to find — no verified records exist for January. If a reliable sighting matters, plan around the peak window rather than the off-season.
The dragonflies you are most likely to encounter in South Dakota are Common Whitetail, Common Green Darner and Twelve-spotted Skimmer — the most-recorded species in the state. Each keeps its own seasonal rhythm, but the month-by-month pattern above reflects every reported sighting together.
Where to go
Best places to see dragonflies in South Dakota
- Badlands National Park — National Park
- Jewel Cave National Monument — National Monument
- Lewis & Clark National Historic Trail — National Historic Trail
- Missouri National Recreational River — National Recreational River
- Wind Cave National Park — National Park
- Minuteman Missile National Historic Site — National Historic Site
Frequently asked questions
What is the best month to see dragonflies in South Dakota?+
July is the single best month, and the broader peak window runs through July, June and August, based on 3,141 verified iNaturalist observations.
When are dragonflies hardest to see in South Dakota?+
January is the quietest month for dragonflies in South Dakota, with no verified records on iNaturalist.
Are dragonflies active year-round in South Dakota?+
Dragonflies are recorded in 10 of 12 months in South Dakota, concentrated around July and June.
More places to see dragonflies
More wildlife in South Dakota