Best year time to visit Knoxville

General weather information about Knoxville

Average annual temperature is 10.8 °C

Absolute maximum temperature: 40.0 °C

Absolute minimum temperature: -24.9 °C

Number of sunny days: 219 days

Number of rainy days: 118 days

Number of snow days: 28 days

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

Knoxville air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)3.66.017.529.631.734.837.540.038.931.819.515.0
Average daytime temperature (°C)-2.70.66.816.425.229.130.131.127.616.911.65.6
Average temperature (°C)-5.6-4.3-0.59.518.623.323.924.721.311.35.50.9
Average night temperature (°C)-8.5-8.6-4.73.812.817.618.519.515.86.81.0-2.5
Absolute minimum temperature (°C)-21.2-24.9-12.3-6.41.89.711.514.29.2-7.8-7.4-10.7

Knoxville 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)9.510.611.913.414.615.315.013.912.511.19.89.1
Daylight minimum duration (h)9.09.011.012.014.015.014.013.011.010.09.09.0
Sunshine mean duration (h)4.97.57.510.011.312.412.011.310.27.17.05.5
Precipitation (mm)90234016688310083611201759
Sunny days191922161415141920172321
Rainy days2351217151712101348
Snow days1064200000132

Knoxville - weather forecast by months

Knoxville weather in januaryKnoxville weather in februaryKnoxville weather in marchKnoxville weather in aprilKnoxville weather in mayKnoxville weather in juneKnoxville weather in julyKnoxville weather in augustKnoxville weather in septemberKnoxville weather in octoberKnoxville weather in novemberKnoxville weather in december

Best time to visit Knoxville:

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

  • May — 11.3(h)
  • June — 12.4(h)
  • July — 12.0(h)
  • August — 11.3(h)

Months with the longest average daylight duration in Knoxville:

  • June — 15.3(h)

The largest precipitation sum in Knoxville is at

  • January — 90(mm)
  • June — 83(mm)
  • July — 100(mm)
  • August — 83(mm)
  • October — 120(mm)

    • Weather forecast in the closest to Knoxville admin centers

    Weather forecast in the closest towns to Knoxville

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    Frequently asked questions

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