Best Time to See Green Sea Turtles in Connecticut
April and September is the best time to see green sea turtles in Connecticut. Based on 2 verified iNaturalist observations, here is exactly when green sea turtles are most active across the year in Connecticut.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated July 10, 2026.
2 verified observations of green sea turtles in Connecticut, recorded across 2 months of the year on iNaturalist.
When green sea turtles are recorded in Connecticut
Peak month
April
1 records (50% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 0 | 0% |
| February | 0 | 0% |
| March | 0 | 0% |
| Aprilpeak | 1 | 50% |
| May | 0 | 0% |
| June | 0 | 0% |
| July | 0 | 0% |
| August | 0 | 0% |
| Septemberpeak | 1 | 50% |
| October | 0 | 0% |
| November | 0 | 0% |
| December | 0 | 0% |
Green Sea Turtles you are most likely to see
| Species | Verified observations |
|---|---|
| Green Sea Turtle | 2 |
Weather to expect, source Open-Meteo
Typical weather in Connecticut
Recent typical conditions by month, so you can plan a trip around both when green sea turtles are active and what the weather is doing. The best months to look for green sea turtles sit around 39 to 74 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 39°F | 24°F | 4.2" |
| Feb | 41°F | 24°F | 3.6" |
| Mar | 49°F | 30°F | 4.2" |
| Aprbest time | 58°F | 39°F | 5.5" |
| May | 68°F | 48°F | 4" |
| Jun | 78°F | 59°F | 3.6" |
| Jul | 84°F | 66°F | 5.2" |
| Aug | 82°F | 65°F | 4.1" |
| Sepbest time | 74°F | 58°F | 5.9" |
| Oct | 64°F | 48°F | 5.6" |
| Nov | 51°F | 35°F | 3.1" |
| Dec | 43°F | 29°F | 5.9" |
Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for Connecticut. Weather varies year to year, so treat these as a guide.
More on green sea turtles in Connecticut:
Sightings of green sea turtles in Connecticut peak in April, when 1 of the year's 2 verified observations are logged — about 50% of the annual total. Activity stays high through April and September.
The quietest stretch is January, February and March, when green sea turtles 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 green sea turtles you are most likely to encounter in Connecticut are Green Sea Turtle — 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 green sea turtles in Connecticut
- Appalachian National Scenic Trail — National Scenic Trail
- Coltsville National Historical Park — National Historical Park
- New England National Scenic Trail — National Scenic Trail
- Washington-Rochambeau Revolutionary Route National Historic Trail — National Historic Trail
- Weir Farm National Historical Park — National Historical Park
Frequently asked questions
What is the best month to see green sea turtles in Connecticut?+
April is the single best month, and the broader peak window runs through April and September, based on 2 verified iNaturalist observations.
When are green sea turtles hardest to see in Connecticut?+
January is the quietest month for green sea turtles in Connecticut, with no verified records on iNaturalist.
Are green sea turtles active year-round in Connecticut?+
Green sea turtles are recorded in 2 of 12 months in Connecticut, concentrated around April and September.
More places to see green sea turtles
More wildlife in Connecticut