Best Time to See Lone Star Ticks in Colorado
June, March and April is the best time to see lone star ticks in Colorado. Based on 8 verified iNaturalist observations, here is exactly when lone star ticks are most active across the year in Colorado.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated July 22, 2026.
Lone Star Tick · Jeff Clark CC BY
Lone Star Tick · Katja Schulz CC BY
Lone Star Tick · Public domain CC0
8 verified observations of lone star ticks in Colorado, recorded across 5 months of the year on iNaturalist.
When lone star ticks are recorded in Colorado
Peak month
June
4 records (50% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 0 | 0% |
| February | 0 | 0% |
| Marchpeak | 1 | 12.5% |
| Aprilpeak | 1 | 12.5% |
| May | 1 | 12.5% |
| Junepeak | 4 | 50% |
| July | 0 | 0% |
| August | 0 | 0% |
| September | 0 | 0% |
| October | 0 | 0% |
| November | 0 | 0% |
| December | 1 | 12.5% |
Lone Star Ticks you are most likely to see
| Species | Verified observations |
|---|---|
| Lone Star Tick | 8 |
Weather to expect, source Open-Meteo
Typical weather in Colorado
Recent typical conditions by month, so you can plan a trip around both when lone star ticks are active and what the weather is doing. The best months to look for lone star ticks sit around 9 to 69 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 27°F | 5°F | 0.5" |
| Feb | 27°F | 3°F | 0.9" |
| Marbest time | 34°F | 9°F | 1.3" |
| Aprbest time | 46°F | 20°F | 1.1" |
| May | 57°F | 31°F | 2.5" |
| Junbest time | 69°F | 42°F | 2.1" |
| Jul | 76°F | 49°F | 2.5" |
| Aug | 75°F | 48°F | 1.7" |
| Sep | 69°F | 41°F | 1.1" |
| Oct | 54°F | 27°F | 0.8" |
| Nov | 40°F | 18°F | 0.6" |
| Dec | 30°F | 10°F | 0.9" |
Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for Colorado. Weather varies year to year, so treat these as a guide.
Sightings of lone star ticks in Colorado peak in June, when 4 of the year's 8 verified observations are logged — about 50% of the annual total. Activity stays high through June, March and April.
The quietest stretch is January, February and July, when lone star ticks 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 lone star ticks you are most likely to encounter in Colorado are Lone Star Tick — 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 lone star ticks in Colorado
- Bent's Old Fort National Historic Site — National Historic Site
- Black Canyon Of The Gunnison National Park — National Park
- Colorado National Monument — National Monument
- Curecanti National Recreation Area — National Recreation Area
- Dinosaur National Monument — National Monument
- Great Sand Dunes National Park & Preserve — National Park & Preserve
Frequently asked questions
What is the best month to see lone star ticks in Colorado?+
June is the single best month, and the broader peak window runs through June, March and April, based on 8 verified iNaturalist observations.
When are lone star ticks hardest to see in Colorado?+
January is the quietest month for lone star ticks in Colorado, with no verified records on iNaturalist.
Are lone star ticks active year-round in Colorado?+
Lone star ticks are recorded in 5 of 12 months in Colorado, concentrated around June and March.
More places to see lone star ticks
More wildlife in Colorado