Best Time to See Hummingbirds in Wisconsin

May, August and September is the best time to see hummingbirds in Wisconsin. Based on 1,574 verified iNaturalist observations, here is exactly when hummingbirds are most active across the year in Wisconsin.

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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.

Green-breasted Mango photographed in WisconsinRuby-throated Hummingbird photographed in WisconsinRuby-throated Hummingbird photographed in Wisconsin
Photos by iNaturalist observers, used under Creative Commons.
Best months: May, August, September

1,574 verified observations of hummingbirds in Wisconsin, recorded across 10 months of the year on iNaturalist.

When hummingbirds are recorded in Wisconsin

Peak month

May

435 records (27.6% of the year)

Quietest month

January

No verified records

MonthObservationsShare
January00%
February00%
March10.1%
April50.3%
Maypeak43527.6%
June24515.6%
July22714.4%
Augustpeak34521.9%
Septemberpeak26917.1%
October251.6%
November161%
December60.4%

Hummingbirds you are most likely to see

SpeciesVerified observations
Ruby-throated Hummingbird1,527
Rufous Hummingbird23
Anna's Hummingbird8
Allen's Hummingbird5
Green-breasted Mango2
Mexican Violetear1

Sightings of hummingbirds in Wisconsin peak in May, when 435 of the year's 1,574 verified observations are logged — about 27.6% of the annual total. Activity stays high through May, August and September.

The quietest stretch is January, February and March, when hummingbirds 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 hummingbirds you are most likely to encounter in Wisconsin are Ruby-throated Hummingbird, Rufous Hummingbird and Anna's Hummingbird — 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 hummingbirds in Wisconsin

  • Apostle Islands National Lakeshore — National Lakeshore
  • Ice Age National Scenic Trail — National Scenic Trail
  • North Country National Scenic Trail — National Scenic Trail
  • Saint Croix National Scenic Riverway — National Scenic Riverway
  • Horicon NWR (general) (please use more precise locations)
  • Manitowoc Lakefront
Plan your tripApostle Islands National Lakeshore

Plan your hummingbird trip in Wisconsin

Start with live tours near Apostle Islands National Lakeshore, 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 hummingbirds in Wisconsin?+

May is the single best month, and the broader peak window runs through May, August and September, based on 1,574 verified iNaturalist observations.

When are hummingbirds hardest to see in Wisconsin?+

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

Are hummingbirds active year-round in Wisconsin?+

Hummingbirds are recorded in 10 of 12 months in Wisconsin, concentrated around May and August.