Best Time to See Otters in Maryland
April, January and February is the best time to see otters in Maryland. Based on 688 verified iNaturalist observations, here is exactly when otters are most active across the year in Maryland.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 28, 2026.

North American River Otter · Ken Clark CC BY

North American River Otter · Katie Gipson CC BY

North American River Otter · Michael Ney CC BY
688 verified observations of otters in Maryland, recorded across 12 months of the year on iNaturalist.
When otters are recorded in Maryland
Peak month
April
123 records (17.9% of the year)
| Month | Observations | Share |
|---|---|---|
| Januarypeak | 93 | 13.5% |
| Februarypeak | 85 | 12.4% |
| March | 83 | 12.1% |
| Aprilpeak | 123 | 17.9% |
| May | 48 | 7% |
| June | 33 | 4.8% |
| July | 25 | 3.6% |
| August | 27 | 3.9% |
| September | 16 | 2.3% |
| October | 33 | 4.8% |
| November | 52 | 7.6% |
| December | 70 | 10.2% |
Otters you are most likely to see
| Species | Verified observations |
|---|---|
| North American River Otter | 688 |
Weather to expect, source Open-Meteo
Typical weather in Maryland
Recent typical conditions by month, so you can plan a trip around both when otters are active and what the weather is doing. The best months to look for otters sit around 30 to 66 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Janbest time | 44°F | 30°F | 3.3" |
| Febbest time | 48°F | 31°F | 3.9" |
| Mar | 56°F | 37°F | 3.9" |
| Aprbest time | 66°F | 45°F | 4.7" |
| May | 73°F | 54°F | 4.7" |
| Jun | 83°F | 64°F | 5.4" |
| Jul | 89°F | 70°F | 7.3" |
| Aug | 85°F | 69°F | 7.6" |
| Sep | 79°F | 62°F | 4.9" |
| Oct | 69°F | 52°F | 4.9" |
| Nov | 56°F | 40°F | 3.2" |
| Dec | 49°F | 34°F | 4.8" |
Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for Maryland. Weather varies year to year, so treat these as a guide.
More on otters in Maryland:
Sightings of otters in Maryland peak in April, when 123 of the year's 688 verified observations are logged — about 17.9% of the annual total. Activity stays high through April, January and February.
The quietest stretch is September, when otters are hardest to find — September sees just 16 records. If a reliable sighting matters, plan around the peak window rather than the off-season.
The otters you are most likely to encounter in Maryland are North American River Otter — 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 otters in Maryland
- Antietam National Battlefield — National Battlefield
- Appalachian National Scenic Trail — National Scenic Trail
- Assateague Island National Seashore — National Seashore
- Captain John Smith Chesapeake National Historic Trail — National Historic Trail
- Chesapeake & Ohio Canal National Historical Park — National Historical Park
- Chesapeake Bay
Frequently asked questions
What is the best month to see otters in Maryland?+
April is the single best month, and the broader peak window runs through April, January and February, based on 688 verified iNaturalist observations.
When are otters hardest to see in Maryland?+
September is the quietest month for otters in Maryland, with only 16 verified records.
Are otters active year-round in Maryland?+
Otters are recorded in 12 of 12 months in Maryland, so they can be seen year-round, with a clear peak in April.
More places to see otters
More wildlife in Maryland