March weather forecast
Knoxville, TN

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The scenic scape of the little town of Knoxville in Tennessee
The scenic scape of the little town of Knoxville in Tennessee

Weather in March

Knoxville weather in March sees a significant move towards spring. Compared to February, temperatures continue their upward trajectory, and snowfall becomes a rare occurrence, making way for rainfall instead. March signals the retreat of winter and the onset of spring, with increased daylight hours. Characterised by a decent amount of rainfall, the city's flora begins to blossom, and the landscapes turn green. March in Knoxville is a perfect blend of spring showers and the lingering winter chill.

Temperature

The shift from February to March in Knoxville is marked by a slight increase in the average high-temperature, moving from a chilly 49.6°F (9.8°C) to a moderate 58.1°F (14.5°C). In March, Knoxville reports a consistent average low-temperature of 40.1°F (4.5°C) during the nights.

Humidity

In Knoxville, the average relative humidity in March is 77%.

Rainfall

In March, in Knoxville, Tennessee, the rain falls for 14.1 days. Throughout March, 2.52" (64mm) of precipitation is accumulated. In Knoxville, during the entire year, the rain falls for 148.9 days and collects up to 29.57" (751mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall in Knoxville. In Knoxville, in March, during 1.7 snowfall days, 0.47" (12mm) of snow is typically accumulated. Throughout the year, there are 11.5 snowfall days, and 3.94" (100mm) of snow is accumulated.

Daylight

In March, the average length of the day is 11h and 59min.
On the first day of March, sunrise is at 7:04 am and sunset at 6:31 pm EST. On the last day of the month, sunrise is at 7:22 am and sunset at 7:57 pm EDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from EDT to EST.

Sunshine

The average sunshine in March in Knoxville, Tennessee, is 6.5h.

UV index

In Knoxville, the average daily maximum UV index in March is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.
Note: The UV index of 3 during March translates into the following guidance:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
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Frequently asked questions

What are the temperatures in Knoxville in March?

March temperatures in Knoxville vary between a high-temperature of 58.1°F (14.5°C) and a low-temperature of 40.1°F (4.5°C).

What is the average humidity in March in Knoxville?

In Knoxville, the average relative humidity in March is 77%.

How many days does it rain in March in Knoxville?

In Knoxville, Tennessee, during March, the rain falls for 14.1 days and regularly aggregates up to 2.52" (64mm) of precipitation.

How much does it snow in Knoxville in March?

In March, in Knoxville, Tennessee, it is snowing for 1.7 days. Throughout March, 0.47" (12mm) of snow is accumulated.

What is the average length of the day in March in Knoxville?

In March, the average day length is 11h and 59min.

When are sunrise and sunset in March in Knoxville?

In March, on the first day of the month, sunrise is at 7:04 am and sunset at 6:31 pm EST. On the last day of the month, sunrise is at 7:22 am and sunset at 7:57 pm EDT.

When does Daylight Saving Time (DST) start in March in Knoxville?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Knoxville, Tennessee, and the time zone changes from EST to EDT. DST ends Sunday, November 3. 2024, at 2:00 am.

How long on average sun shines in March in Knoxville?

In March, the average sunshine duration is 6.5h.

What is the UV index reading in March in Knoxville?

In Knoxville, the average daily maximum UV index in March is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in March
Knoxville, TN

Average temperature in March - Knoxville, TN
  • Average high temperature in March: 58.1°F

The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (44.8°F).

  • Average low temperature in March: 40.1°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (29.3°F).

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Average pressure in March
Knoxville, TN

Average pressure in March - Knoxville, TN
  • Average pressure in March: 30.09"Hg

The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

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Average wind speed in March
Knoxville, TN

Average wind speed in March - Knoxville, TN
  • Average wind speed in March: 5.7mph

The windiest month (with the highest average wind speed) is April (6mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).

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Average humidity in March
Knoxville, TN

Average humidity in March - Knoxville, TN
  • Average humidity in March: 77%

The months with the highest relative humidity are February and December (78%).
The month with the lowest relative humidity is August (70%).

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Average rainfall in March
Knoxville, TN

Average rainfall in March - Knoxville, TN
  • Average rainfall in March: 2.52"

The wettest month (with the highest rainfall) is February (3.66").
The driest month (with the least rainfall) is September (1.5").

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Average rainfall days in March
Knoxville, TN

Average rainfall days in March - Knoxville, TN
  • Average rainfall days in March: 14.1 days

The month with the highest number of rainy days is July (16.2 days).
The month with the least rainy days is November (8.4 days).

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Average snowfall in March
Knoxville, TN

Average snowfall in March - Knoxville, TN
  • Average snowfall in March: 0.47"

The month with the highest snowfall is February (1.57").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in March
Knoxville, TN

Average snowfall days in March - Knoxville, TN
  • Average snowfall days in March: 1.7 days

The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in March /
Average sunshine in March
Knoxville, TN

Average daylight in March / Average sunshine in March - Knoxville, TN
  • Average daylight in March: 12h and 0min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in March: 6h and 3min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).

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Average sunshine days in March
Knoxville, TN

Average sunshine days in March - Knoxville, TN
  • Average sunshine days in March: 14 days

The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (12.9 days).

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Average UV index in March
Knoxville, TN

Average UV index in March - Knoxville, TN
  • Average UV index in March: 3

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

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Average cloud cover in March
Knoxville, TN

Average cloud cover in March - Knoxville, TN
  • Average cloud cover in March: 49

The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 28).

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Average visibility in March
Knoxville, TN

Average visibility in March - Knoxville, TN
  • Average visibility in March: 6mi

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

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Knoxville, Tennessee, USA

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