Best Time to See Mallards in Wisconsin

April, May and June is the best time to see mallards in Wisconsin. Based on 7,673 verified iNaturalist observations, here is exactly when mallards 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 July 20, 2026.

Mallard photographed in Wisconsin

Mallard · Brandon Corder CC BY

Mallard photographed in Wisconsin

Mallard · L.J. Lamera CC BY

Mallard photographed in Wisconsin

Mallard · Eric Schmidt CC BY

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

7,673 verified observations of mallards in Wisconsin, recorded across 12 months of the year on iNaturalist.

When mallards are recorded in Wisconsin

Peak month

April

1,367 records (17.8% of the year)

Quietest month

December

281 records

MonthObservationsShare
January3074%
February3875%
March7189.4%
Aprilpeak1,36717.8%
Maypeak1,30016.9%
Junepeak89111.6%
July6057.9%
August5316.9%
September4986.5%
October4716.1%
November3174.1%
December2813.7%

Mallards you are most likely to see

SpeciesVerified observations
Mallard7,673

Weather to expect, source Open-Meteo

Typical weather in Wisconsin

Recent typical conditions by month, so you can plan a trip around both when mallards are active and what the weather is doing. The best months to look for mallards 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.

Sightings of mallards in Wisconsin peak in April, when 1,367 of the year's 7,673 verified observations are logged — about 17.8% of the annual total. Activity stays high through April, May and June.

The quietest stretch is December, January and November, when mallards are hardest to find — December sees just 281 records. If a reliable sighting matters, plan around the peak window rather than the off-season.

The mallards you are most likely to encounter in Wisconsin are Mallard — 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 mallards 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
  • Horicon NWR (general) (please use more precise locations)
  • Manitowoc Lakefront

Frequently asked questions

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

April is the single best month, and the broader peak window runs through April, May and June, based on 7,673 verified iNaturalist observations.

When are mallards hardest to see in Wisconsin?+

December is the quietest month for mallards in Wisconsin, with only 281 verified records.

Are mallards active year-round in Wisconsin?+

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