ClimateForecastNovemberDecember >>

Knoxville (IA) Climate by Month

Knoxville experiences great temperature shifts. The city's weather can transition from warm days to very cold weather. It is also known for its large amounts of rain/snowfall. Let's now guide you through the climate details for a complete overview.

Average day and night temperature

The climate in Knoxville is known for significant temperature differences throughout the year, making the weather dynamic. Typically, daytime temperatures range from a comfortable 30°C in July to a very cold -1°C in the coolest month, January. Nights are cooler, with temperatures generally dropping to -10°C, particularly during the colder months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Knoxville has a notably wet climate with abundant precipitation, recording 1012 mm of rain/snowfall per year. The climate in Knoxville shows significant variation throughout the year. Expect heavy rainfall in June, with an average of 162 mm of precipitation over 14 rainy days. In contrast, January offers drier and sunnier days, with around 20 mm of snowfall over 7 snowy days.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

For those who appreciate different seasons, Knoxville serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 11.2 hours of sunshine daily, and embrace the darker days in December, offering only 4.3 hours of daily sunlight.

Monthly hours of sunshine

Data from: Des Moines, the United States of America (50 KM, 31 Miles).

Daily hours of sunshine

Data from: Des Moines, the United States of America (50 KM, 31 Miles).

The best time of year to visit Knoxville in the United States of America

During the months of May and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • When is summer in Knoxville?
    The hottest season / summer takes place in June, July, August and September.
  • When is winter in Knoxville?
    The coldest season / winter is in the following months: January, February and December.
  • Which is the warmest month in Knoxville?
    July has an average maximum temperature of 30°C and is the warmest month of the year.
  • Which is the coldest month in Knoxville?
    The coldest month is January with an average maximum temperature of -1°C.
  • Which is the wettest month in Knoxville?
    June tops the wettest month list with 162 mm of rainfall.
  • Which is the driest month in Knoxville?
    January is the driest month with 20 mm of precipitation.
  • Which is the sunniest month in Knoxville?
    July is the sunniest month with an average of 335 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Knoxville (IA)

    Fri   Nov 22
    5°C | 0°C
    NW 18 km/h
    overcast and no rain

    overcast and no rain

    Sat   Nov 23
    9°C | -3°C
    S 11 km/h
    partly cloudy and no rain

    partly cloudy and no rain

    Sun   Nov 24
    15°C | 5°C
    S 18 km/h
    broken clouds and no rain

    broken clouds and no rain