Best Time to See Ticks in Wisconsin

May, June and April is the best time to see ticks in Wisconsin. Based on 1,623 verified iNaturalist observations, here is exactly when ticks are most active across the year in Wisconsin.

T

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 photographed in Wisconsin

American Dog Tick · Nova Patch CC BY-SA

American Dog Tick photographed in Wisconsin

American Dog Tick · Matthew Lindsey CC BY

Asian Longhorned Tick photographed in Wisconsin

Asian Longhorned Tick · Zachary Dankowicz CC BY

Photos by iNaturalist observers, reused under the licence each observer chose.
Best months: May, June, April

1,623 verified observations of ticks in Wisconsin, recorded across 11 months of the year on iNaturalist.

When ticks are recorded in Wisconsin

Peak month

May

555 records (34.2% of the year)

Quietest month

January

No verified records

MonthObservationsShare
January00%
February80.5%
March513.1%
Aprilpeak25815.9%
Maypeak55534.2%
Junepeak42426.1%
July16310%
August251.5%
September161%
October774.7%
November442.7%
December20.1%

Ticks you are most likely to see

SpeciesVerified observations
American Dog Tick1,012
Eastern Black-legged Tick517
Lone Star Tick18
Alectorobius kelleyi5
Gulf Coast Tick2
Brown Dog Tick1

Weather to expect, source Open-Meteo

Typical weather in Wisconsin

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 32 to 77 degrees Fahrenheit, so pack for that.

MonthAvg highAvg lowRain
Jan25°F10°F1.4"
Feb25°F7°F2"
Mar40°F21°F2.7"
Aprbest time52°F32°F3.9"
Maybest time65°F45°F3.4"
Junbest time77°F57°F3.8"
Jul80°F61°F3.5"
Aug77°F60°F3.5"
Sep70°F53°F3"
Oct55°F40°F3.3"
Nov41°F27°F2.4"
Dec32°F17°F1.9"

Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for Wisconsin. Weather varies year to year, so treat these as a guide.

More on ticks in Wisconsin:

Sightings of ticks in Wisconsin peak in May, when 555 of the year's 1,623 verified observations are logged — about 34.2% of the annual total. Activity stays high through May, June and April.

The quietest stretch is January, 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 Wisconsin are American Dog Tick, Eastern Black-legged 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 Wisconsin

  • Apostle Islands National LakeshoreNational Lakeshore
  • Ice Age National Scenic TrailNational Scenic Trail
  • North Country National Scenic TrailNational Scenic Trail
  • Saint Croix National Scenic RiverwayNational Scenic Riverway

Frequently asked questions

What is the best month to see ticks in Wisconsin?+

May is the single best month, and the broader peak window runs through May, June and April, based on 1,623 verified iNaturalist observations.

When are ticks hardest to see in Wisconsin?+

January is the quietest month for ticks in Wisconsin, with no verified records on iNaturalist.

Are ticks active year-round in Wisconsin?+

Ticks are recorded in 11 of 12 months in Wisconsin, so they can be seen year-round, with a clear peak in May.