Best year time to visit Sussex

General weather information about Sussex

Average annual temperature is 9.7 °C

Absolute maximum temperature: 35.3 °C

Absolute minimum temperature: -23.8 °C

Number of sunny days: 181 days

Number of rainy days: 160 days

Number of snow days: 24 days

Look at detailed online map of Sussex

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

Sussex air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)7.110.619.026.129.630.932.835.332.827.018.012.4
Average daytime temperature (°C)1.02.65.314.320.625.727.626.423.315.47.84.9
Average temperature (°C)-2.5-2.50.68.314.119.522.121.118.511.53.61.7
Average night temperature (°C)-5.0-6.7-3.33.48.714.217.517.115.08.20.4-0.7
Absolute minimum temperature (°C)-23.8-23.0-12.6-2.70.26.812.310.99.0-2.3-12.1-8.1

Sussex monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.410.511.913.414.715.315.013.912.511.09.79.1
Daylight minimum duration (h)9.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)3.67.06.78.110.712.012.311.38.56.86.53.9
Precipitation (mm)5397851184346129133811064759
Sunny days131611141922101413132115
Rainy days98121612821171718814
Snow days948000000012

Sussex - weather forecast by months

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

Best time to visit Sussex:

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

  • May — 10.7(h)
  • June — 12.0(h)
  • July — 12.3(h)
  • August — 11.3(h)

Months with the longest average daylight duration in Sussex:

  • June — 15.3(h)

The largest precipitation sum in Sussex is at

  • April — 118(mm)
  • July — 129(mm)
  • August — 133(mm)
  • October — 106(mm)

    • Weather forecast in the closest to Sussex admin centers

    Weather forecast in the closest towns to Sussex

    Explore Sussex

    See also
    MapTrains schedule
    Plan your trip
    AccommodationExperiencesBlog

    Frequently asked questions

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