March weather forecast
Dean, TN

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Weather in March

March, the first month of the spring in Dean, is a moderate month, with an average temperature fluctuating between 37.9°F (3.3°C) and 55.6°F (13.1°C).

Temperature

March brings a slight increase in the average high-temperature, progressing from a chilly 47.3°F (8.5°C) in February to a moderate 55.6°F (13.1°C). During March, the nighttime temperature averages to a cold 37.9°F (3.3°C).

Humidity

The average relative humidity in March in Dean, Tennessee, is 80%.

Rainfall

In Dean, during March, the rain falls for 14.9 days and regularly aggregates up to 2.6" (66mm) of precipitation. Throughout the year, there are 167 rainfall days, and 33.62" (854mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. In Dean, in March, snow falls for 2.3 days, with typically accumulated 1.1" (28mm) of snow. In Dean, during the entire year, snow falls for 17.6 days and aggregates up to 6.02" (153mm) of snow.

Daylight

The average length of the day in March is 11h and 59min.
On the first day of March, sunrise is at 7:06 am and sunset at 6:32 pm EST. On the last day of the month, sunrise is at 7:23 am and sunset at 7:59 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

In Dean, the average sunshine in March is 6.1h.

UV index

In March, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: In March, a daily maximum UV index of 3 leads to the following instructions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Updated: Jun 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are March temperatures?

March temperatures vary between a high-temperature of 55.6°F (13.1°C) and a low-temperature of 37.9°F (3.3°C).

What is the average humidity in March?

In March, the average relative humidity is 80%.

How much does it rain in March?

In Dean, during March, the rain falls for 14.9 days and regularly aggregates up to 2.6" (66mm) of precipitation.

How much does it snow in March?

In Dean, during March, snow falls for 2.3 days and regularly aggregates up to 1.1" (28mm) of snow.

How many hours of daylight does Dean have in March?

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

When is the sunrise / sunset in March?

In March, on the first day of the month, sunrise is at 7:06 am and sunset at 6:32 pm EST. On the last day of the month, sunrise is at 7:23 am and sunset at 7:59 pm EDT.

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

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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 Dean, the average sunshine duration in March is 6.1h.

What is the UV index intensity in March in Dean?

The average daily maximum UV index in March is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
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
Dean, TN

Average temperature in March - Dean, TN
  • Average high temperature in March: 55.6°F

The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (42.3°F).

  • Average low temperature in March: 37.9°F

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).

Average pressure in March
Dean, TN

Average pressure in March - Dean, 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).

Average wind speed in March
Dean, TN

Average wind speed in March - Dean, TN
  • Average wind speed in March: 5.8mph

The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).

Average humidity in March
Dean, TN

Average humidity in March - Dean, TN
  • Average humidity in March: 80%

The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is August (76%).

Average rainfall in March
Dean, TN

Average rainfall in March - Dean, TN
  • Average rainfall in March: 2.6"

The wettest month (with the highest rainfall) is February (3.94").
The driest month (with the least rainfall) is September (1.89").

Average rainfall days in March
Dean, TN

Average rainfall days in March - Dean, TN
  • Average rainfall days in March: 14.9 days

The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is November (9.4 days).

Average snowfall in March
Dean, TN

Average snowfall in March - Dean, TN
  • Average snowfall in March: 1.1"

The month with the highest snowfall is February (2.01").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in March
Dean, TN

Average snowfall days in March - Dean, TN
  • Average snowfall days in March: 2.3 days

The month with the highest number of snowfall days is January (5.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in March / Average sunshine in March - Dean, 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 42min).

  • Average sunshine in March: 6h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

Average sunshine days in March
Dean, TN

Average sunshine days in March - Dean, TN
  • Average sunshine days in March: 12.9 days

The month with the most sunshine days is October (18.8 days).
The month with the least sunshine days is July (10.1 days).

Average UV index in March
Dean, TN

Average UV index in March - Dean, 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).

Average cloud cover in March
Dean, TN

Average cloud cover in March - Dean, TN
  • Average cloud cover in March: 52

The month with the most cloud cover is February (Cloud cover 56).
The months with the least cloud cover are June and August (Cloud cover 32).

Average visibility in March
Dean, TN

Average visibility in March - Dean, TN
  • Average visibility in March: 5mi

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

Dean, Tennessee, USA

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