Best Time to See Mallards in Iowa
April, May and March is the best time to see mallards in Iowa. Based on 1,217 verified iNaturalist observations, here is exactly when mallards are most active across the year in Iowa.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated July 20, 2026.
1,217 verified observations of mallards in Iowa, recorded across 12 months of the year on iNaturalist.
When mallards are recorded in Iowa
Peak month
April
250 records (20.5% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 41 | 3.4% |
| February | 44 | 3.6% |
| Marchpeak | 150 | 12.3% |
| Aprilpeak | 250 | 20.5% |
| Maypeak | 223 | 18.3% |
| June | 99 | 8.1% |
| July | 72 | 5.9% |
| August | 65 | 5.3% |
| September | 102 | 8.4% |
| October | 79 | 6.5% |
| November | 40 | 3.3% |
| December | 52 | 4.3% |
Mallards you are most likely to see
| Species | Verified observations |
|---|---|
| Mallard | 1,217 |
Weather to expect, source Open-Meteo
Typical weather in Iowa
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 29 to 70 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 29°F | 13°F | 1.8" |
| Feb | 30°F | 11°F | 1.3" |
| Marbest time | 48°F | 29°F | 2.6" |
| Aprbest time | 60°F | 39°F | 2.5" |
| Maybest time | 70°F | 52°F | 5.3" |
| Jun | 82°F | 63°F | 4.1" |
| Jul | 84°F | 67°F | 3.6" |
| Aug | 83°F | 65°F | 3" |
| Sep | 78°F | 59°F | 2.9" |
| Oct | 61°F | 44°F | 4.2" |
| Nov | 48°F | 31°F | 1.6" |
| Dec | 39°F | 23°F | 1.5" |
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.
Sightings of mallards in Iowa peak in April, when 250 of the year's 1,217 verified observations are logged — about 20.5% of the annual total. Activity stays high through April, May and March.
The quietest stretch is November, January and February, when mallards are hardest to find — November sees just 40 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 Iowa 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 Iowa
- Effigy Mounds National Monument — National Monument
- Herbert Hoover National Historic Site — National Historic Site
- Lewis & Clark National Historic Trail — National Historic Trail
- Mormon Pioneer National Historic Trail — National Historic Trail
- Saylorville Reservoir (general location—use more specific hotspots)
- Red Rock Reservoir (general location—use more specific hotspots)
Frequently asked questions
What is the best month to see mallards in Iowa?+
April is the single best month, and the broader peak window runs through April, May and March, based on 1,217 verified iNaturalist observations.
When are mallards hardest to see in Iowa?+
November is the quietest month for mallards in Iowa, with only 40 verified records.
Are mallards active year-round in Iowa?+
Mallards are recorded in 12 of 12 months in Iowa, so they can be seen year-round, with a clear peak in April.
More wildlife in Iowa