Best year time to visit Port Jefferson Station

General weather information about Port Jefferson Station

Average annual temperature is 12.7 °C

Absolute maximum temperature: 33.0 °C

Absolute minimum temperature: -15.8 °C

Number of sunny days: 165 days

Number of rainy days: 193 days

Number of snow days: 7 days

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* Weather data for Port Jefferson Station United States is based on climate observations for 2026 year

Port Jefferson Station air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)17.619.213.527.726.927.431.928.933.024.818.516.5
Average daytime temperature (°C)7.86.99.016.219.223.128.126.123.418.711.08.9
Average temperature (°C)4.73.24.911.514.618.824.122.419.914.97.25.7
Average night temperature (°C)2.0-0.41.68.010.915.520.919.317.212.04.13.0
Absolute minimum temperature (°C)-2.0-15.8-2.61.06.610.117.216.912.57.2-2.0-3.6

Port Jefferson Station monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.610.611.913.314.515.114.813.812.511.19.99.3
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)4.96.77.68.712.311.411.710.47.98.07.35.5
Precipitation (mm)1445314411061701591522659767177
Sunny days9151614201181111131819
Rainy days201014161119232019181112
Snow days231000000010

Port Jefferson Station - weather forecast by months

Port Jefferson Station weather in januaryPort Jefferson Station weather in februaryPort Jefferson Station weather in marchPort Jefferson Station weather in aprilPort Jefferson Station weather in mayPort Jefferson Station weather in junePort Jefferson Station weather in julyPort Jefferson Station weather in augustPort Jefferson Station weather in septemberPort Jefferson Station weather in octoberPort Jefferson Station weather in novemberPort Jefferson Station weather in december

Best time to visit Port Jefferson Station:

The best time to visit Port Jefferson Station during the most sunny months:

  • May — 12.3(h)
  • June — 11.4(h)
  • July — 11.7(h)

The largest precipitation sum in Port Jefferson Station is at

  • July — 159(mm)
  • September — 265(mm)
  • December — 177(mm)

    • Weather forecast in the closest to Port Jefferson Station admin centers

    Weather forecast in the closest towns to Port Jefferson Station

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    Frequently asked questions

    When is the best time to visit Port Jefferson Station?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Port Jefferson Station.
    What is the weather like in Port Jefferson Station?
    See average temperature, rainfall and daylight hours for Port Jefferson Station by month in the table above.
    How many sunny days does Port Jefferson Station have?
    The monthly weather statistics above show sunshine and rainfall patterns for Port Jefferson Station throughout the year.