Best Time to See Ticks in Iowa

May, April and July is the best time to see ticks in Iowa. Based on 483 verified iNaturalist observations, here is exactly when ticks are most active across the year in Iowa.

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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 Iowa

American Dog Tick · Nova Patch CC BY-SA

American Dog Tick photographed in Iowa

American Dog Tick · Matthew Lindsey CC BY

Asian Longhorned Tick photographed in Iowa

Asian Longhorned Tick · Zachary Dankowicz CC BY

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

483 verified observations of ticks in Iowa, recorded across 12 months of the year on iNaturalist.

When ticks are recorded in Iowa

Peak month

May

147 records (30.4% of the year)

Quietest month

January

1 records

MonthObservationsShare
January10.2%
February30.6%
March163.3%
Aprilpeak10020.7%
Maypeak14730.4%
June8317.2%
Julypeak9920.5%
August91.9%
September20.4%
October163.3%
November40.8%
December30.6%

Ticks you are most likely to see

SpeciesVerified observations
American Dog Tick304
Lone Star Tick74
Eastern Black-legged Tick72
Gulf Coast Tick2
Winter tick1
Rabbit Tick1
Alectorobius kelleyi1

Weather to expect, source Open-Meteo

Typical weather in Iowa

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 39 to 84 degrees Fahrenheit, so pack for that.

MonthAvg highAvg lowRain
Jan29°F13°F1.8"
Feb30°F11°F1.3"
Mar48°F29°F2.6"
Aprbest time60°F39°F2.5"
Maybest time70°F52°F5.3"
Jun82°F63°F4.1"
Julbest time84°F67°F3.6"
Aug83°F65°F3"
Sep78°F59°F2.9"
Oct61°F44°F4.2"
Nov48°F31°F1.6"
Dec39°F23°F1.5"

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

More on ticks in Iowa:

Sightings of ticks in Iowa peak in May, when 147 of the year's 483 verified observations are logged — about 30.4% of the annual total. Activity stays high through May, April and July.

The quietest stretch is January, when ticks are hardest to find — January sees just 1 records. If a reliable sighting matters, plan around the peak window rather than the off-season.

The ticks you are most likely to encounter in Iowa are American Dog Tick, Lone Star Tick and Eastern Black-legged 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 Iowa

  • Effigy Mounds National MonumentNational Monument
  • Herbert Hoover National Historic SiteNational Historic Site
  • Lewis & Clark National Historic TrailNational Historic Trail
  • Mormon Pioneer National Historic TrailNational Historic Trail

Frequently asked questions

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

May is the single best month, and the broader peak window runs through May, April and July, based on 483 verified iNaturalist observations.

When are ticks hardest to see in Iowa?+

January is the quietest month for ticks in Iowa, with only 1 verified records.

Are ticks active year-round in Iowa?+

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