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
Daily hours of sunshine
Average humidity
The relative humidity is low throughout the year in Knoxville.
Relative humidity over the year
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:
The hottest season / summer takes place in June, July, August and September.
The coldest season / winter is in the following months: January, February and December.
July has an average maximum temperature of 30°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of -1°C.
June tops the wettest month list with 162 mm of rainfall.
January is the driest month with 20 mm of precipitation.
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.