Find 1,004 hotels in Port Jefferson

Exploring Port Jefferson

The quaint city of Port Jefferson is known for its port, island setting and restaurants. Popular attractions in and around Port Jefferson include:

• Port Jefferson
• Harborfront Park
• White Beach
• Maritime Explorium
• Mather House Museum
• Theatre Three
• Cedar Hill Cemetery

When making plans for your trip to Port Jefferson, you can also use ebookers to search for a convenient flight into Islip, NY (ISP-MacArthur) Airport. You can narrow down your search by number of stops, airline or time of departure to find the one that works best for you.

When is the Best Time to Explore Port Jefferson?

If you're curious when is the best time of year to visit Port Jefferson, you might find this info about seasonal weather helpful when planning your trip. The warmest months in Port Jefferson are typically July and August, whereas the coldest months are usually January and February. The months with the most rain are October and December, whereas November and May have the least.

Here's a rundown on how much rain you can expect and what the temperatures are going to be like:

• From January to March, the average daytime temperature is 7°C and at night it is -1°C. Seasonal average rainfall is 335 mm.
• If you visit between April and June, you can expect an average temp of 23°C during the day and 7°C at night. Average rainfall during this season is 318 mm.
• The daytime average temp from July to September is 27°C and the night-time average is 18°C. Average precipitation for this season is 360 mm.
• Between October and December, the average temp during the day is 18°C and 3°C at night. Seasonal average rain is 392 mm.
• The average annual rainfall in Port Jefferson is 1404 mm.