Best Time to See Ticks in Montana
May, June and April is the best time to see ticks in Montana. Based on 202 verified iNaturalist observations, here is exactly when ticks are most active across the year in Montana.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated July 22, 2026.

American Dog Tick · Nova Patch CC BY-SA

American Dog Tick · Matthew Lindsey CC BY

Asian Longhorned Tick · Zachary Dankowicz CC BY
202 verified observations of ticks in Montana, recorded across 8 months of the year on iNaturalist.
When ticks are recorded in Montana
Peak month
May
61 records (30.2% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 1 | 0.5% |
| February | 1 | 0.5% |
| March | 12 | 5.9% |
| Aprilpeak | 43 | 21.3% |
| Maypeak | 61 | 30.2% |
| Junepeak | 58 | 28.7% |
| July | 25 | 12.4% |
| August | 1 | 0.5% |
| September | 0 | 0% |
| October | 0 | 0% |
| November | 0 | 0% |
| December | 0 | 0% |
Ticks you are most likely to see
| Species | Verified observations |
|---|---|
| Rocky Mountain Wood Tick | 85 |
| American Dog Tick | 37 |
| Lone Star Tick | 1 |
| Brown Dog Tick | 1 |
| Winter tick | 1 |
Weather to expect, source Open-Meteo
Typical weather in Montana
Recent typical conditions by month, so you can plan a trip around both when ticks are active and what the weather is doing. The best months to look for ticks sit around 24 to 65 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 29°F | 17°F | 1" |
| Feb | 22°F | 9°F | 1.5" |
| Mar | 33°F | 18°F | 1.1" |
| Aprbest time | 40°F | 24°F | 2.3" |
| Maybest time | 53°F | 36°F | 3.5" |
| Junbest time | 65°F | 47°F | 3.2" |
| Jul | 75°F | 55°F | 2" |
| Aug | 74°F | 54°F | 1.7" |
| Sep | 65°F | 46°F | 2.1" |
| Oct | 46°F | 31°F | 2" |
| Nov | 36°F | 23°F | 1" |
| Dec | 30°F | 18°F | 1" |
Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for Montana. Weather varies year to year, so treat these as a guide.
Sightings of ticks in Montana peak in May, when 61 of the year's 202 verified observations are logged — about 30.2% of the annual total. Activity stays high through May, June and April.
The quietest stretch is September, October and November, when ticks are hardest to find — no verified records exist for September. If a reliable sighting matters, plan around the peak window rather than the off-season.
The ticks you are most likely to encounter in Montana are Rocky Mountain Wood Tick, American Dog Tick and 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 ticks in Montana
- Big Hole National Battlefield — National Battlefield
- Bighorn Canyon National Recreation Area — National Recreation Area
- Grant-Kohrs Ranch National Historic Site — National Historic Site
- Lewis & Clark National Historic Trail — National Historic Trail
- Nez Perce National Historical Park — National Historical Park
- Yellowstone National Park — National Park
Frequently asked questions
What is the best month to see ticks in Montana?+
May is the single best month, and the broader peak window runs through May, June and April, based on 202 verified iNaturalist observations.
When are ticks hardest to see in Montana?+
September is the quietest month for ticks in Montana, with no verified records on iNaturalist.
Are ticks active year-round in Montana?+
Ticks are recorded in 8 of 12 months in Montana, concentrated around May and June.
More wildlife in Montana