March weather forecast
Mercer, TN

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Weather in March

March, the first month of the spring in Mercer, is a mild month, with temperature in the range of an average low of 43.3°F (6.3°C) and an average high of 59.5°F (15.3°C).

Temperature

As February transitions into March, a change in temperatures is observed, with average highs moving from a fresh 50.4°F (10.2°C) to a moderate 59.5°F (15.3°C). In Mercer, March is marked by an average low-temperature of 43.3°F (6.3°C).

Humidity

With an average relative humidity of 80%, March is the most humid month.

Rainfall

In Mercer, during March, the rain falls for 12.1 days and regularly aggregates up to 1.26" (32mm) of precipitation. In Mercer, during the entire year, the rain falls for 125.3 days and collects up to 15.47" (393mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall. March is the last month it regularly snows in Mercer. During 0.8 snowfall days, in March, Mercer aggregates 0.24" (6mm) of snow. Throughout the year, there are 6.2 snowfall days, and 1.14" (29mm) 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 6:24 am and sunset at 5:51 pm CST. On the last day of the month, sunrise is at 6:42 am and sunset at 7:17 pm CDT.
Note: 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 lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from CDT to CST.

Sunshine

The average sunshine in March in Mercer is 6.4h.

UV index

In March, the average daily maximum UV index in Mercer is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: In March, the maximum UV index of 4 translates into these guidelines:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are March temperatures in Mercer?

In Mercer, 59.5°F (15.3°C) is the average high-temperature and 43.3°F (6.3°C) is the average low-temperature during March.

What is the most humid month in Mercer?

The most humid month in Mercer is March, with an average relative humidity of 80%.

What is the average humidity in March in Mercer?

In March, the average relative humidity in Mercer is 80%.

How many days does it rain in March in Mercer?

In Mercer, Tennessee, during March, the rain falls for 12.1 days and regularly aggregates up to 1.26" (32mm) of precipitation.

What is the last month it snows in Mercer?

March is the last month it regularly snows in Mercer, Tennessee. During 0.8 snowfall days, in March, Mercer aggregates 0.24" (6mm) of snow.

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

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

When is the sunrise / sunset in March in Mercer?

In March, on the first day of the month, sunrise is at 6:24 am and sunset at 5:51 pm CST. On the last day of the month, sunrise is at 6:42 am and sunset at 7:17 pm CDT.

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

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

How long on average sun shines in March in Mercer?

In March, the average sunshine duration is 6.4h.

How high is the UV index in March in Mercer?

In Mercer, the average daily maximum UV index in March is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in March
Mercer, TN

Average temperature in March - Mercer, TN
  • Average high temperature in March: 59.5°F

The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (45.7°F).

  • Average low temperature in March: 43.3°F

The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (32°F).

Average pressure in March
Mercer, TN

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

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in March
Mercer, TN

Average wind speed in March - Mercer, TN
  • Average wind speed in March: 8.7mph

The windiest month (with the highest average wind speed) is February (9.1mph).
The calmest month (with the lowest average wind speed) is July (5.2mph).

Average humidity in March
Mercer, TN

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

The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is October (71%).

Average rainfall in March
Mercer, TN

Average rainfall in March - Mercer, TN
  • Average rainfall in March: 1.26"

The wettest month (with the highest rainfall) is July (1.85").
The driest month (with the least rainfall) is September (0.67").

Average rainfall days in March
Mercer, TN

Average rainfall days in March - Mercer, TN
  • Average rainfall days in March: 12.1 days

The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is November (7.1 days).

Average snowfall in March
Mercer, TN

Average snowfall in March - Mercer, TN
  • Average snowfall in March: 0.24"

The month with the highest snowfall is December (0.31").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in March
Mercer, TN

Average snowfall days in March - Mercer, TN
  • Average snowfall days in March: 0.8 days

The month with the highest number of snowfall days is February (2.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in March: 6h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in March
Mercer, TN

Average sunshine days in March - Mercer, TN
  • Average sunshine days in March: 16.6 days

The month with the most sunshine days is October (20.8 days).
The month with the least sunshine days is July (13.8 days).

Average UV index in March
Mercer, TN

Average UV index in March - Mercer, TN
  • Average UV index in March: 4

The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).

Average cloud cover in March
Mercer, TN

Average cloud cover in March - Mercer, TN
  • Average cloud cover in March: 47

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 26).

Average visibility in March
Mercer, TN

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

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).

Mercer, Tennessee, USA

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