Best year time to visit Sussex County

General weather information about Sussex County

Average annual temperature is 11.8 °C

Absolute maximum temperature: 34.8 °C

Absolute minimum temperature: -18.3 °C

Number of sunny days: 161 days

Number of rainy days: 194 days

Number of snow days: 10 days

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* Weather data for Sussex County United States is based on climate observations for 2026 year

Sussex County air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)17.817.716.931.729.834.833.530.833.528.419.415.0
Average daytime temperature (°C)7.37.79.718.522.125.629.626.923.418.910.28.2
Average temperature (°C)3.52.13.811.714.919.523.721.518.213.45.03.8
Average night temperature (°C)0.3-2.5-0.86.28.014.018.616.714.19.10.80.7
Absolute minimum temperature (°C)-4.5-18.3-9.7-2.02.58.613.811.57.42.2-5.4-6.2

Sussex County 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)4.66.37.48.611.910.611.910.08.27.77.44.4
Precipitation (mm)11942861094274123831645874201
Sunny days12161114211161011171616
Rainy days17918161019252119141313
Snow days232000000012

Sussex County - weather forecast by months

Sussex County weather in januarySussex County weather in februarySussex County weather in marchSussex County weather in aprilSussex County weather in maySussex County weather in juneSussex County weather in julySussex County weather in augustSussex County weather in septemberSussex County weather in octoberSussex County weather in novemberSussex County weather in december

Best time to visit Sussex County:

The best time to visit Sussex County during the most sunny months:

  • May — 11.9(h)
  • June — 10.6(h)
  • July — 11.9(h)

The largest precipitation sum in Sussex County is at

  • September — 164(mm)
  • December — 201(mm)

    • Weather forecast in the closest to Sussex County admin centers

    Weather forecast in the closest towns to Sussex County

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    Frequently asked questions

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