April weather forecast
Duncan, TN

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Weather in April

April is a pleasant spring month in Duncan, Tennessee, with an average temperature varying between 68.5°F (20.3°C) and 47.8°F (8.8°C).

Temperature

As April arrives, a rise in the average high-temperature is observed, moving from a mild 57.7°F (14.3°C) in March to an agreeable 68.5°F (20.3°C). Duncan usually reports an average low-temperature of 47.8°F (8.8°C) during the month of April.

Humidity

In April, the average relative humidity is 75%.

Rainfall

In Duncan, in April, during 13.9 rainfall days, 1.65" (42mm) of precipitation is typically accumulated. In Duncan, during the entire year, the rain falls for 148.2 days and collects up to 18.23" (463mm) of precipitation.

Snowfall

In Duncan, snow does not fall in April through September.

Daylight

The average length of the day in April is 13h and 7min.
On the first day of the month, sunrise is at 7:21 am and sunset at 7:57 pm. On the last day of April, sunrise is at 6:43 am and sunset at 8:22 pm EDT.

Sunshine

In April, the average sunshine is 8.5h.

UV index

In Duncan, the average daily maximum UV index in April is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The average daily UV index of 5 in April transforms into the following instructions:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Updated: Aug 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Duncan in April?

The high-temperature during April is 68.5°F (20.3°C) and the low-temperature is 47.8°F (8.8°C).

What is the average humidity in April?

In April, the average relative humidity is 75%.

How much does it rain in April?

In Duncan, in April, during 13.9 rainfall days, 1.65" (42mm) of precipitation is typically accumulated.

When it does not snow?

In Duncan, Tennessee, snow does not fall in April through September.

Does it snow in Duncan in April?

In April, it doesn't snow. March is the latest month when it typically snows.

How many hours of daylight does Duncan have in April?

The average day length in April is 13h and 7min.

When is the sunrise / sunset in April?

In April, on the first day of the month, sunrise is at 7:21 am and sunset at 7:57 pm. On the last day of the month, in Duncan, Tennessee, sunrise is at 6:43 am and sunset at 8:22 pm EDT.

How many hours of sunshine does Duncan have in April?

In April, the average sunshine duration is 8.5h.

How high is the UV index in April?

In Duncan, the average daily maximum UV index in April is 5. A UV Index of 3 to 5 symbolizes 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
Duncan, TN

Average temperature in April - Duncan, TN
  • Average high temperature in April: 68.5°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 (44.8°F).

  • Average low temperature in April: 47.8°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 (29.5°F).

Average pressure in April
Duncan, TN

Average pressure in April - Duncan, 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
Duncan, TN

Average wind speed in April - Duncan, TN
  • Average wind speed in April: 5.9mph

The windiest month (with the highest average wind speed) is April (5.9mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).

Average humidity in April
Duncan, TN

Average humidity in April - Duncan, TN
  • Average humidity in April: 75%

The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is August (72%).

Average rainfall in April
Duncan, TN

Average rainfall in April - Duncan, TN
  • Average rainfall in April: 1.65"

The wettest month (with the highest rainfall) is July (2.2").
The driest month (with the least rainfall) is September (0.94").

Average rainfall days in April
Duncan, TN

Average rainfall days in April - Duncan, TN
  • Average rainfall days in April: 13.9 days

The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is November (8.7 days).

Average snowfall in April
Duncan, TN

Average snowfall in April - Duncan, TN
  • Average snowfall in April: 0"

The month with the highest snowfall is February (0.98").
The months with the least snowfall are April, May, June, July, August and September (0").

Average snowfall days in April
Duncan, TN

Average snowfall days in April - Duncan, TN
  • Average snowfall days in April: 0.2 days

The month with the highest number of snowfall days is January (5.4 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
Duncan, TN

Average daylight in April / Average sunshine in April - Duncan, 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 48min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

Average sunshine days in April
Duncan, TN

Average sunshine days in April - Duncan, TN
  • Average sunshine days in April: 13.7 days

The month with the most sunshine days is November (19.3 days).
The months with the least sunshine days are February and July (12.5 days).

Average UV index in April
Duncan, TN

Average UV index in April - Duncan, 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
Duncan, TN

Average cloud cover in April - Duncan, TN
  • Average cloud cover in April: 37

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 27).

Average visibility in April
Duncan, TN

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

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

Duncan, Tennessee, USA

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