Climate and monthly weather forecast
Knoxville, AL

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Weather in January

January, like December, in Knoxville, Alabama, is a cool winter month, with an average temperature varying between 37.4°F (3°C) and 52.9°F (11.6°C). With its high average temperature of 52.9°F (11.6°C) and a low of 37.4°F (3°C), January is regarded as the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is a mild month in Knoxville, Alabama, with an average temperature fluctuating between 41.5°F (5.3°C) and 58.3°F (14.6°C). February marks a minor ascent in the average high-temperature, adjusting from January's cool 52.9°F (11.6°C) to a refreshing 58.3°F (14.6°C). Weather in February »

Weather in March

March, the first month of the spring in Knoxville, is a comfortable month, with an average temperature varying between 47.8°F (8.8°C) and 66°F (18.9°C). The start of March is characterized by a subtle increase in the average high-temperature, transitioning from a refreshing 58.3°F (14.6°C) in February to an enjoyable 66°F (18.9°C). Weather in March »

Weather in April

April in Knoxville, Alabama, is a moderately hot spring month, with an average temperature ranging between min 54.1°F (12.3°C) and max 75.6°F (24.2°C). April shows a rise in the average high-temperature, moving from March's refreshing 66°F (18.9°C) to a moderately hot 75.6°F (24.2°C). Weather in April »

Weather in May

May, the last month of the spring in Knoxville, is also a moderately hot month, with temperature in the range of an average low of 62.2°F (16.8°C) and an average high of 83.5°F (28.6°C). As April transitions into May, Knoxville notices a gentle rise in the average high-temperature, transitioning from a moderately hot 75.6°F (24.2°C) to a still warm 83.5°F (28.6°C). Weather in May »

Weather in June

The first month of the summer, June, is a tropical month in Knoxville, Alabama, with an average temperature ranging between max 90.1°F (32.3°C) and min 69.6°F (20.9°C). June sees a marginal temperature increase, moving from a moderately hot 83.5°F (28.6°C) in May to a tropical 90.1°F (32.3°C). Weather in June »

Weather in July

July, the same as June, in Knoxville, Alabama, is another hot summer month, with temperature in the range of an average high of 91.9°F (33.3°C) and an average low of 71.6°F (22°C). Knoxville registers the highest average temperatures during the month of July, with peaks of 91.9°F (33.3°C) and lows of 71.6°F (22°C). July's average heat index is evaluated at a blazing hot 114.8°F (46°C). Weather in July »

Weather in August

The last month of the summer, August, is another hot month in Knoxville, Alabama, with an average temperature ranging between max 91.6°F (33.1°C) and min 71.6°F (22°C). As Knoxville welcomes August, the average high-temperature is noted at a still hot 91.6°F (33.1°C), closely aligning with the preceding month. Weather in August »

Weather in September

September, the first month of the autumn in Knoxville, is still a tropical month, with temperature in the range of an average low of 66.9°F (19.4°C) and an average high of 86.9°F (30.5°C). Entering September, the average high-temperature is recorded at a still tropical 86.9°F (30.5°C), exhibiting a minimal shift from August's 91.6°F (33.1°C). Weather in September »

Weather in October

October, like September, in Knoxville, Alabama, is another warm autumn month, with an average temperature ranging between min 55.9°F (13.3°C) and max 76.1°F (24.5°C). Onset of October comes with a temperature decline, the average high falling from a hot 86.9°F (30.5°C) in September to a warm 76.1°F (24.5°C). Weather in October »

Weather in November

The last month of the autumn, November, is also an enjoyable month in Knoxville, Alabama, with an average temperature fluctuating between 45.5°F (7.5°C) and 63.7°F (17.6°C). With November's onset, the weather shows a temperature decrease, transitioning from a warm 76.1°F (24.5°C) in October to a comfortable 63.7°F (17.6°C). Weather in November »

Weather in December

December, the first month of the winter in Knoxville, is also a moderate month, with an average temperature fluctuating between 41.5°F (5.3°C) and 56.3°F (13.5°C). The onset of December is marked by a minor decrease in temperature, transitioning from a comfortable 63.7°F (17.6°C) in November to a mild 56.3°F (13.5°C). Weather in December »

Frequently asked questions

What time of the year is the coldest?

January proves to be the coldest month, recording an average maximum temperature of 52.9°F (11.6°C) and a minimum temperature of 37.4°F (3°C).

How much does it rain in Knoxville?

In Knoxville, during the entire year, the rain falls for 166.5 days and collects up to 39.41" (1001mm) of precipitation.

When does it snow?

Months with snowfall are January, February and December.

When does it snow the most?

The month with the most snowfall is January, when snow falls for 0.8 days and typically aggregates up to 0.55" (14mm) of snow.

How much does it snow?

In Knoxville, during the entire year, snow falls for 2.3 days and aggregates up to 1.26" (32mm) of snow.

When is the lowest UV index?

January, February and December, with an average maximum UV index of 3, are months with the lowest UV index.

What is the month with the least sunshine?

The months with the least sunshine are February and December, with an average of 4.8h of sunshine.

When it does not snow?

In Knoxville, snow does not fall in March through November.

When is Daylight Saving Time (DST)?

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 wettest month?

The month with the most rainfall is April, when the rain falls for 12.3 days and typically aggregates up to 4.29" (109mm) of precipitation.

When are the longest days in Knoxville?

June has the longest days of the year, with an average of 14h and 18min of daylight.

What month has the most sunshine in Knoxville?

With an average of 10.5h of sunshine, June has the most sunshine of the year.

What are the months with the highest UV index?

The months with the highest UV index are June through August, with an average maximum UV index of 7.

What are the warmest months?

The average temperatures reach their apex in July, averaging 91.9°F (33.3°C) at the high end and 71.6°F (22°C) at the low end.

What is the least humid month?

With an average relative humidity of 69%, October is the least humid month.

What is the driest month in Knoxville?

The month with the least rainfall is October, when the rain falls for 9.3 days and typically collects 2.28" (58mm) of precipitation.

What is the most humid month?

With an average relative humidity of 80%, December is the most humid month in Knoxville.

What is the month with the shortest days?

With an average of 10h and 0min of daylight, December has the shortest days of the year.

Average temperature
Knoxville, AL

Average temperature - Knoxville, AL

The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (52.9°F).

The months with the highest average low temperature are July and August (71.6°F).
The coldest month (with the lowest average low temperature) is January (37.4°F).

Average pressure
Knoxville, AL

Average pressure - Knoxville, AL

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

Average wind speed
Knoxville, AL

Average wind speed - Knoxville, AL

The windiest month (with the highest average wind speed) is February (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

Average humidity
Knoxville, AL

Average humidity - Knoxville, AL

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (69%).

Average rainfall
Knoxville, AL

Average rainfall - Knoxville, AL

The wettest month (with the highest rainfall) is April (4.29").
The driest month (with the least rainfall) is October (2.28").

Average rainfall days
Knoxville, AL

Average rainfall days - Knoxville, AL

The month with the highest number of rainy days is July (20.6 days).
The month with the least rainy days is November (8.5 days).

Average snowfall
Knoxville, AL

Average snowfall - Knoxville, AL

The month with the highest snowfall is January (0.55").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

Average snowfall days
Knoxville, AL

Average snowfall days - Knoxville, AL

The months with the highest number of snowfall days are January and February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight / Average sunshine
Knoxville, AL

Average daylight / Average sunshine - Knoxville, AL

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).

Average sunshine days
Knoxville, AL

Average sunshine days - Knoxville, AL

The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (8.8 days).

Average UV index
Knoxville, AL

Average UV index - Knoxville, AL

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).

Average visibility
Knoxville, AL

Average visibility - Knoxville, AL

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Knoxville, Alabama, USA

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