Best Time to See Hawks in Iowa

March, January and December is the best time to see hawks in Iowa. Based on 3,398 verified iNaturalist observations, here is exactly when hawks 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 June 28, 2026.

Best months: March, January, December

3,398 verified observations of hawks in Iowa, recorded across 12 months of the year on iNaturalist.

When hawks are recorded in Iowa

Peak month

March

437 records (12.9% of the year)

Quietest month

June

147 records

MonthObservationsShare
Januarypeak37311%
February36110.6%
Marchpeak43712.9%
April33910%
May2236.6%
June1474.3%
July1865.5%
August2025.9%
September2286.7%
October2637.7%
November2718%
Decemberpeak36810.8%

Hawks you are most likely to see

SpeciesVerified observations
Bald Eagle1,365
Red-tailed Hawk985
Cooper's Hawk460
Northern Harrier117
Rough-legged Hawk97
Broad-winged Hawk96
Sharp-shinned Hawk73
Red-shouldered Hawk52

Sightings of hawks in Iowa peak in March, when 437 of the year's 3,398 verified observations are logged — about 12.9% of the annual total. Activity stays high through March, January and December.

The quietest stretch is June, July and August, when hawks are hardest to find — June sees just 147 records. If a reliable sighting matters, plan around the peak window rather than the off-season.

The hawks you are most likely to encounter in Iowa are Bald Eagle, Red-tailed Hawk and Cooper's Hawk — 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 hawks 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
  • Saylorville Reservoir (general location—use more specific hotspots)
  • Red Rock Reservoir (general location—use more specific hotspots)
Plan your tripEffigy Mounds National Monument

Plan your hawk trip in Iowa

Start with live tours near Effigy Mounds National Monument, then compare a nearby stay and a broader wildlife backup before you lock in the trip.

Gear to see them

Frequently asked questions

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

March is the single best month, and the broader peak window runs through March, January and December, based on 3,398 verified iNaturalist observations.

When are hawks hardest to see in Iowa?+

June is the quietest month for hawks in Iowa, with only 147 verified records.

Are hawks active year-round in Iowa?+

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