April weather forecast
Loudon, TN

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A tranquil scene as the rays of the setting sun seeps through the amazing landscape in the hilly region in Loudon, Tennessee
A tranquil scene as the rays of the setting sun seeps through the amazing landscape in the hilly region in Loudon, Tennessee

Weather in April

April in Loudon sees a significant leap in temperature and daylight hours. Bright, blossoming flowers punctuate the cityscape, reflecting the high spirits brought upon by spring. Temperatures can go from a slightly chilly 48.2°F (9°C) to a comfortably warm 68.5°F (20.3°C) within the same month. The increasing sunlight and warmth, as well as the decreasing snowfall from previous months, make April a merry month for outdoor recreational activities. Nature basks in the luke-warm caresses of spring, biding time before the summer festivities.

Temperature

Loudon's April weather shows an increase in high-temperatures, moving from March's refreshing 58.3°F (14.6°C) to a pleasant 68.5°F (20.3°C). Loudon's average low-temperature in the month of April is recorded at a frosty 48.2°F (9°C).

Humidity

In Loudon, the average relative humidity in April is 76%.

Rainfall

In Loudon, in April, during 14.8 rainfall days, 3.11" (79mm) of precipitation is typically accumulated. Throughout the year, there are 171.1 rainfall days, and 32.24" (819mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.3 snowfall days, in April, Loudon aggregates 0.08" (2mm) of snow. Throughout the year, there are 15 snowfall days, and 2.52" (64mm) of snow is accumulated.

Daylight

In Loudon, the average length of the day in April is 13h and 7min.
On the first day of April, sunrise is at 7:22 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 6:45 am and sunset at 8:23 pm EDT.

Sunshine

In April, the average sunshine is 8.5h.

UV index

In April, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index of 5 during April translates into the following directions:
Act with care - Obligation to protect against skin and eye damage is highlighted. When the Sun is at its strongest around midday, find shade and limit exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Updated: Aug 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are April temperatures?

During April, Loudon experiences an average high-temperature of 68.5°F (20.3°C) and a low-temperature of 48.2°F (9°C).

What is the average humidity in April?

In April, the average relative humidity is 76%.

How many days does it rain in April?

In Loudon, in April, during 14.8 rainfall days, 3.11" (79mm) of precipitation is typically accumulated.

What is the last month it snows?

April is the last month it regularly snows. During 0.3 snowfall days, in April, Loudon aggregates 0.08" (2mm) of snow.

What is the average length of the day in April?

In Loudon, the average day length in April is 13h and 7min.

When is the sunrise / sunset in April in Loudon?

On the first day of April, sunrise is at 7:22 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 6:45 am and sunset at 8:23 pm EDT.

How long on average sun shines in April?

The average sunshine duration in April in Loudon is 8.5h.

How high is the UV index in April?

The average daily maximum UV index in April is 5. A UV Index reading of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.
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 April
Loudon, TN

Average temperature in April - Loudon, TN
  • Average high temperature in April: 68.5°F

The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (45°F).

  • Average low temperature in April: 48.2°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (30°F).

Average pressure in April
Loudon, TN

Average pressure in April - Loudon, TN
  • Average pressure in April: 30"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 April
Loudon, TN

Average wind speed in April - Loudon, TN
  • Average wind speed in April: 6.2mph

The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).

Average humidity in April
Loudon, TN

Average humidity in April - Loudon, TN
  • Average humidity in April: 76%

The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is August (74%).

Average rainfall in April
Loudon, TN

Average rainfall in April - Loudon, TN
  • Average rainfall in April: 3.11"

The wettest month (with the highest rainfall) is July (3.7").
The driest month (with the least rainfall) is September (1.69").

Average rainfall days in April
Loudon, TN

Average rainfall days in April - Loudon, TN
  • Average rainfall days in April: 14.8 days

The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is November (9.6 days).

Average snowfall in April
Loudon, TN

Average snowfall in April - Loudon, TN
  • Average snowfall in April: 0.08"

The month with the highest snowfall is February (0.91").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in April
Loudon, TN

Average snowfall days in April - Loudon, TN
  • Average snowfall days in April: 0.3 days

The month with the highest number of snowfall days is January (4.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in April /
Average sunshine in April
Loudon, TN

Average daylight in April / Average sunshine in April - Loudon, TN
  • Average daylight in April: 13h and 1min

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 April: 8h and 3min

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

Average sunshine days in April
Loudon, TN

Average sunshine days in April - Loudon, TN
  • Average sunshine days in April: 13.3 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is July (10.5 days).

Average UV index in April
Loudon, TN

Average UV index in April - Loudon, TN
  • Average UV index in April: 5

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 April
Loudon, TN

Average cloud cover in April - Loudon, TN
  • Average cloud cover in April: 36

The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June and August (Cloud cover 28).

Average visibility in April
Loudon, TN

Average visibility in April - Loudon, TN
  • Average visibility in April: 6mi

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

Loudon, Tennessee, USA

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