ClimateForecastAprilMay >>

Climate in Knoxville (Iowa), United States of America

The graphs below show the monthly weather averages over the year.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Monthly precipitation

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

Weather Forecasts for Knoxville (IA)

Tue   Apr 23
21°C | 11°C
NW 36 km/h
0.5 mm
partly cloudy and small chance of slight rain

partly cloudy and small chance of slight rain

Wed   Apr 24
17°C | 5°C
NE 14 km/h
almost clear and no rain

almost clear and no rain

Thu   Apr 25
18°C | 6°C
SE 29 km/h
partly cloudy and no rain

partly cloudy and no rain

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.