Best year time to visit Roane County

General weather information about Roane County

Average annual temperature is 16.1 °C

Absolute maximum temperature: 37.9 °C

Absolute minimum temperature: -4.6 °C

Number of sunny days: 191 days

Number of rainy days: 173 days

Number of snow days: 1 day

Look at detailed online map of Roane County

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

Roane County air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)19.225.124.127.929.333.235.837.933.730.126.218.8
Average daytime temperature (°C)12.015.516.620.825.528.831.630.529.523.317.312.5
Average temperature (°C)7.39.910.514.619.222.625.725.122.917.010.97.2
Average night temperature (°C)3.85.65.79.414.017.321.020.817.612.26.13.3
Absolute minimum temperature (°C)-3.9-4.6-4.13.54.912.716.415.913.46.6-3.5-3.1

Roane County monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.013.012.011.010.09.0
Daylight mean duration (h)10.010.912.013.114.114.514.313.512.411.310.39.8
Daylight minimum duration (h)9.010.011.012.013.014.013.012.011.010.09.09.0
Sunshine mean duration (h)5.05.88.49.110.810.811.19.910.98.67.66.3
Precipitation (mm)129118106107691269212122143299
Sunny days11112017131291421202221
Rainy days1917111318182217911810
Snow days100000000000

Roane County - weather forecast by months

Roane County weather in januaryRoane County weather in februaryRoane County weather in marchRoane County weather in aprilRoane County weather in mayRoane County weather in juneRoane County weather in julyRoane County weather in augustRoane County weather in septemberRoane County weather in octoberRoane County weather in novemberRoane County weather in december

Best time to visit Roane County:

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

  • July — 11.1(h)
  • September — 10.9(h)

The largest precipitation sum in Roane County is at

  • January — 129(mm)
  • February — 118(mm)
  • June — 126(mm)
  • August — 121(mm)

    • Weather forecast in the closest to Roane County admin centers

    Weather forecast in the closest towns to Roane County

    Explore Roane County

    See also
    MapTrains schedule
    Plan your trip
    AccommodationExperiencesBlog

    Frequently asked questions

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