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When to go · Port Jefferson

Port Jefferson in August

Avoid month. Listed as a month to avoid: Jul–Aug (crowds and parking), Jan–Feb (cold, some closures).

Key facts

Verdict
Avoid
Temperature
27°C / 19°C
average high / low
Rain days
8
Crowds
High
United States overall
Prices
High
United States overall

Verdict

AvoidBest and avoid months for Port Jefferson

Listed as a month to avoid: Jul–Aug (crowds and parking), Jan–Feb (cold, some closures).

Weather in August

Long-term averages
  • Port JeffersonHighs around 27 °C, lows around 19 °C, rain on about 8 days

Crowds and prices

Crowds · United States overall
High
Prices · United States overall
High

United States overall: Hot and busy; wildfire smoke in the West, hurricane peak begins in the Southeast.

High-price month: see what to book ahead.

What to pack

Nothing unusual for the weather this month.

Build the full packing list for your trip →

Across United States in August →