Best Time to See Ticks in Idaho
April, May and June is the best time to see ticks in Idaho. Based on 273 verified iNaturalist observations, here is exactly when ticks are most active across the year in Idaho.
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
273 verified observations of ticks in Idaho, recorded across 11 months of the year on iNaturalist.
When ticks are recorded in Idaho
Peak month
April
80 records (29.3% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 0 | 0% |
| February | 3 | 1.1% |
| March | 13 | 4.8% |
| Aprilpeak | 80 | 29.3% |
| Maypeak | 68 | 24.9% |
| Junepeak | 64 | 23.4% |
| July | 35 | 12.8% |
| August | 4 | 1.5% |
| September | 2 | 0.7% |
| October | 2 | 0.7% |
| November | 1 | 0.4% |
| December | 1 | 0.4% |
Ticks you are most likely to see
| Species | Verified observations |
|---|---|
| Rocky Mountain Wood Tick | 96 |
| American Dog Tick | 65 |
| Western Dog Tick | 4 |
| Ixodes | 3 |
| Winter tick | 2 |
| Ornithodorinae | 1 |
Weather to expect, source Open-Meteo
Typical weather in Idaho
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 25 to 71 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 31°F | 13°F | 1.6" |
| Feb | 32°F | 14°F | 2.4" |
| Mar | 41°F | 20°F | 1.7" |
| Aprbest time | 48°F | 25°F | 1.9" |
| Maybest time | 60°F | 35°F | 2.9" |
| Junbest time | 71°F | 44°F | 2.9" |
| Jul | 82°F | 51°F | 1.2" |
| Aug | 81°F | 51°F | 1.9" |
| Sep | 71°F | 43°F | 1.9" |
| Oct | 54°F | 29°F | 1.8" |
| Nov | 40°F | 19°F | 1.8" |
| Dec | 31°F | 13°F | 1.8" |
Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for Idaho. Weather varies year to year, so treat these as a guide.
More on ticks in Idaho:
Sightings of ticks in Idaho peak in April, when 80 of the year's 273 verified observations are logged — about 29.3% of the annual total. Activity stays high through April, May and June.
The quietest stretch is January, November and December, when 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 ticks you are most likely to encounter in Idaho are Rocky Mountain Wood Tick, American Dog Tick and Western Dog 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 Idaho
- City Of Rocks National Reserve — National Reserve
- Craters Of The Moon National Monument & Preserve — National Monument & Preserve
- Hagerman Fossil Beds National Monument — National Monument
- 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 Idaho?+
April is the single best month, and the broader peak window runs through April, May and June, based on 273 verified iNaturalist observations.
When are ticks hardest to see in Idaho?+
January is the quietest month for ticks in Idaho, with no verified records on iNaturalist.
Are ticks active year-round in Idaho?+
Ticks are recorded in 11 of 12 months in Idaho, so they can be seen year-round, with a clear peak in April.
More places to see ticks
More wildlife in Idaho