Photo: Nyttend · Public domainFew parks or trails are on the map in Port Jefferson
OpenStreetMap doesn’t show named parks or mapped trails in Port Jefferson yet. Know a trail or a town park? Anyone can add it to OpenStreetMap, and it shows up here on the next refresh.
Conserved land, trails & bike routes
Tap a number to zoom to a park. Tap a layer to hide it.
1 place on the National Register
The country’s official list of places worth saving (National Park Service).
August is the best month for walking in Port Jefferson
NOAA’s 1991–2020 normals for the town and the daylight at its latitude. Outlined months have long days, highs of 59 to 86 °F and little rain for the place.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 9.6 | 10.6 | 11.8 | 13.2 | 14.4 | 15.0 | 14.8 | 13.8 | 12.4 | 11.0 | 9.9 | 9.3 |
| High (°F) | 34 | 38 | 48 | 62 | 72 | 81 | 84 | 82 | 77 | 64 | 50 | 39 |
| Rain (in) | 3.0 | 2.3 | 3.2 | 4.1 | 4.4 | 4.5 | 4.6 | 3.4 | 3.2 | 2.9 | 3.1 | 2.9 |
February is the driest month (2.3 in) and July the warmest (highs of 84 °F). 4.6 inches fall in July, the wettest month. The climate in Port Jefferson →
Questions about parks and trails in Port Jefferson
Is there public land near Port Jefferson?
816 acres of parks and open public land lie inside Port Jefferson or within 10 miles of it (PAD-US), almost none of it inside the town line.
Trail talk
Conditions, parking and favorite walks from Port Jefferson neighbors.
Where this page comes from
Conserved and public land: USGS Protected Areas Database of the United States (PAD-US), service updated July 2026. Parks, trails, playgrounds, beaches and other places: OpenStreetMap (© OpenStreetMap contributors, ODbL), map data as of 2026-10-28. Land and water area: Census 2025 Gazetteer. Residents near a park: 2020 Census blocks. National Register: National Park Service. How TownRatings grades the outdoors →