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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, in Knoxville, Illinois, is another subzero cold winter month, with an average temperature varying between 29.5°F (-1.4°C) and 17.4°F (-8.1°C). January, with its average high-temperature of 29.5°F (-1.4°C) and an average low-temperature of 17.4°F (-8.1°C), holds the record as the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is a wintry month in Knoxville, Illinois, with an average temperature varying between 21.2°F (-6°C) and 34.7°F (1.5°C). The shift from January to February is characterized by an average high-temperature of a cold 34.7°F (1.5°C), not significantly different from the 29.5°F (-1.4°C) of January. Weather in February »
Weather in March
March, the first month of the spring in Knoxville, is a chilly month, with an average temperature varying between 48°F (8.9°C) and 32.9°F (0.5°C). March's arrival brings a temperature shift, moving from a wintry 34.7°F (1.5°C) in February to a chilly 48°F (8.9°C). Weather in March »
Weather in April
April is a refreshing spring month in Knoxville, Illinois, with an average temperature fluctuating between 43.2°F (6.2°C) and 59.9°F (15.5°C). As April arrives, a rise in the average high-temperature is observed, moving from a chilly 48°F (8.9°C) in March to a moderate 59.9°F (15.5°C). Weather in April »
Weather in May
May, the last month of the spring in Knoxville, is a pleasant month, with temperature in the range of an average low of 54°F (12.2°C) and an average high of 70.7°F (21.5°C). The commencement of May sees a shift in the average high-temperature, moving from a mild 59.9°F (15.5°C) in April to an agreeable 70.7°F (21.5°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Knoxville, Illinois, with an average temperature ranging between min 62.4°F (16.9°C) and max 79.2°F (26.2°C). June's arrival signals a subtle increase in average high-temperatures, moving from May's pleasant 70.7°F (21.5°C) to a moderately hot 79.2°F (26.2°C). Weather in June »
Weather in July
July, like June, in Knoxville, Illinois, is another warm summer month, with an average temperature varying between 81.1°F (27.3°C) and 64.9°F (18.3°C). In Knoxville, July is the month with the highest recorded average temperatures, measuring a high of 81.1°F (27.3°C) and a low of 64.9°F (18.3°C). During July, the heat index is evaluated at a tropical 87.8°F (31°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Knoxville, Illinois, with an average temperature ranging between min 63.3°F (17.4°C) and max 80.6°F (27°C). In August, Knoxville notes an average high-temperature of a still moderately hot 80.6°F (27°C), hardly different from the preceding month. Weather in August »
Weather in September
September, the first month of the autumn in Knoxville, is also a moderately hot month, with an average temperature varying between 75.6°F (24.2°C) and 56.3°F (13.5°C). At the onset of September, Knoxville records an average high-temperature of a still moderately hot 75.6°F (24.2°C), showing little deviation from the preceding month. Weather in September »
Weather in October
October, the same as September, is another comfortable autumn month in Knoxville, Illinois, with an average temperature varying between 61.5°F (16.4°C) and 45.7°F (7.6°C). October's onset brings a reduction in the average high-temperature, from a moderately hot 75.6°F (24.2°C) in September to an enjoyable 61.5°F (16.4°C). Weather in October »
Weather in November
November, the last month of the autumn in Knoxville, is another chilly month, with an average temperature varying between 47.5°F (8.6°C) and 33.8°F (1°C). The arrival of November signals a shift in temperature, down from an enjoyable 61.5°F (16.4°C) in October to a chilly 47.5°F (8.6°C). Weather in November »
Weather in December
December, the first month of the winter in Knoxville, is still a cold month, with an average temperature varying between 35.4°F (1.9°C) and 24.6°F (-4.1°C). The commencement of December indicates a shift in the average high-temperature, receding from November's chilly 47.5°F (8.6°C) to an icy 35.4°F (1.9°C). Weather in December »
[Resources]Frequently asked questions
What month is the coldest in Knoxville?
January is the coldest month, with an average high-temperature of 29.5°F (-1.4°C) and an average low-temperature of 17.4°F (-8.1°C).
What is the driest month in Knoxville?
The months with the least rainfall are January and December Rain falls for 4 days and accumulates 0.47" (12mm) of rain.
How many days does it rain in Knoxville?
Throughout the year, there are 109.9 rainfall days, and 11.14" (283mm) of precipitation is accumulated.
When does it snow in Knoxville?
January through April, October through December are months with snowfall in Knoxville.
When does it snow the most in Knoxville?
January is the month with the most snowfall. Snow falls for 8.8 days and accumulates 1.38" (35mm) of snow.
How much does it snow in Knoxville?
Throughout the year, in Knoxville, Illinois, there are 28 snowfall days, and 4.53" (115mm) of snow is accumulated.
What is the month with the least sunshine in Knoxville?
January has the least sunshine of the year in Knoxville, Illinois, with an average of 4h of sunshine.
When is Daylight Saving Time (DST) in Knoxville?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.
What is the rainiest month in Knoxville?
The month with the most rainfall in Knoxville, Illinois, is May, when the rain falls for 15.2 days and typically aggregates up to 1.65" (42mm) of precipitation.
When it does not snow in Knoxville?
May through September are months without snowfall in Knoxville, Illinois.
When are the longest days in Knoxville?
June has the longest days of the year in Knoxville, with an average of 15h and 6min of daylight.
What month has the most sunshine in Knoxville?
The month with the most sunshine in Knoxville, Illinois, is June, with an average of 10.1h of sunshine.
What are the months with the highest UV index in Knoxville?
June and July, with an average maximum UV index of 6, are months with the highest UV index.
What month is the hottest in Knoxville?
In Knoxville, temperatures reach their average annual highs in July, measuring 81.1°F (27.3°C) and a minimum average of 64.9°F (18.3°C).
What is the most humid month in Knoxville?
With an average relative humidity of 84%, July is the most humid month in Knoxville, Illinois.
What is the least humid month in Knoxville?
With an average relative humidity of 72%, October is the least humid month.
What is the month with the shortest days in Knoxville?
With an average of 9h and 18min of daylight, December has the shortest days of the year in Knoxville, Illinois.
When is the lowest UV index in Knoxville?
The month with the lowest UV index is December, with an average maximum UV index of 1.
Average temperature
Knoxville, IL
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (29.5°F).
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure
Knoxville, IL
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.95"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.1"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Knoxville, IL
- Average wind speed in January:
10.6mph - Average wind speed in February:
10.6mph - Average wind speed in March:
10.6mph - Average wind speed in April:
10.8mph - Average wind speed in May:
9.1mph - Average wind speed in June:
8mph
- Average wind speed in July:
6.8mph - Average wind speed in August:
6.8mph - Average wind speed in September:
7.9mph - Average wind speed in October:
9.5mph - Average wind speed in November:
10.3mph - Average wind speed in December:
9.9mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity
Knoxville, IL
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Knoxville, IL
- Average rainfall in January:
0.47" - Average rainfall in February:
0.59" - Average rainfall in March:
0.75" - Average rainfall in April:
1.3" - Average rainfall in May:
1.65" - Average rainfall in June:
1.34"
- Average rainfall in July:
1.14" - Average rainfall in August:
0.83" - Average rainfall in September:
1.02" - Average rainfall in October:
0.98" - Average rainfall in November:
0.59" - Average rainfall in December:
0.47"
The wettest month (with the highest rainfall) is May (1.65").
The driest months (with the least rainfall) are January and December (0.47").
Average rainfall days
Knoxville, IL
- Average rainfall days in January:
4 days - Average rainfall days in February:
3.9 days - Average rainfall days in March:
9.3 days - Average rainfall days in April:
11.8 days - Average rainfall days in May:
15.2 days - Average rainfall days in June:
14.5 days
- Average rainfall days in July:
12.8 days - Average rainfall days in August:
10.1 days - Average rainfall days in September:
8.7 days - Average rainfall days in October:
8.8 days - Average rainfall days in November:
6.3 days - Average rainfall days in December:
4.5 days
The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is February (3.9 days).
Average snowfall
Knoxville, IL
The month with the highest snowfall is January (1.38").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Knoxville, IL
- Average snowfall days in January:
8.8 days - Average snowfall days in February:
6.8 days - Average snowfall days in March:
3.2 days - Average snowfall days in April:
0.9 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.3 days - Average snowfall days in November:
2 days - Average snowfall days in December:
6 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Knoxville, IL
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 3min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
4h and 0min - Average sunshine in February:
4h and 1min - Average sunshine in March:
6h and 2min - Average sunshine in April:
7h and 5min - Average sunshine in May:
8h and 4min - Average sunshine in June:
10h and 1min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
9h and 5min - Average sunshine in September:
9h and 1min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days
Knoxville, IL
- Average sunshine days in January:
20 days - Average sunshine days in February:
18.9 days - Average sunshine days in March:
17.5 days - Average sunshine days in April:
16.3 days - Average sunshine days in May:
13.7 days - Average sunshine days in June:
12.4 days
- Average sunshine days in July:
13.2 days - Average sunshine days in August:
16.8 days - Average sunshine days in September:
18.4 days - Average sunshine days in October:
19.9 days - Average sunshine days in November:
20.5 days - Average sunshine days in December:
21.6 days
The month with the most sunshine days is December (21.6 days).
The month with the least sunshine days is June (12.4 days).
Average UV index
Knoxville, IL
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Knoxville, IL
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility
Knoxville, IL
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Knoxville, Illinois, USA
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