Best Time to See Mallards in Indiana
April, May and March is the best time to see mallards in Indiana. Based on 3,497 verified iNaturalist observations, here is exactly when mallards are most active across the year in Indiana.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated July 20, 2026.
3,497 verified observations of mallards in Indiana, recorded across 12 months of the year on iNaturalist.
When mallards are recorded in Indiana
Peak month
April
857 records (24.5% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 120 | 3.4% |
| February | 158 | 4.5% |
| Marchpeak | 375 | 10.7% |
| Aprilpeak | 857 | 24.5% |
| Maypeak | 664 | 19% |
| June | 304 | 8.7% |
| July | 187 | 5.3% |
| August | 171 | 4.9% |
| September | 224 | 6.4% |
| October | 192 | 5.5% |
| November | 143 | 4.1% |
| December | 102 | 2.9% |
Mallards you are most likely to see
| Species | Verified observations |
|---|---|
| Mallard | 3,497 |
Weather to expect, source Open-Meteo
Typical weather in Indiana
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 33 to 71 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 38°F | 24°F | 3.6" |
| Feb | 41°F | 24°F | 3.7" |
| Marbest time | 52°F | 33°F | 5.3" |
| Aprbest time | 61°F | 42°F | 3.6" |
| Maybest time | 71°F | 53°F | 4.5" |
| Jun | 81°F | 63°F | 3.2" |
| Jul | 84°F | 67°F | 4.7" |
| Aug | 83°F | 66°F | 3.6" |
| Sep | 78°F | 60°F | 1.8" |
| Oct | 65°F | 48°F | 4.4" |
| Nov | 51°F | 34°F | 2.3" |
| Dec | 44°F | 29°F | 3" |
Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for Indiana. Weather varies year to year, so treat these as a guide.
Sightings of mallards in Indiana peak in April, when 857 of the year's 3,497 verified observations are logged — about 24.5% of the annual total. Activity stays high through April, May and March.
The quietest stretch is December, January and November, when mallards are hardest to find — December sees just 102 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 Indiana 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 Indiana
- Indiana Dunes National Park — National Park
- Lewis & Clark National Historic Trail — National Historic Trail
- Lincoln Boyhood National Memorial — National Memorial
- George Rogers Clark National Historical Park — National Historical Park
- Indiana Dunes SP
- Gibson Generating Station
Frequently asked questions
What is the best month to see mallards in Indiana?+
April is the single best month, and the broader peak window runs through April, May and March, based on 3,497 verified iNaturalist observations.
When are mallards hardest to see in Indiana?+
December is the quietest month for mallards in Indiana, with only 102 verified records.
Are mallards active year-round in Indiana?+
Mallards are recorded in 12 of 12 months in Indiana, so they can be seen year-round, with a clear peak in April.