April weather forecast
Harriman, TN

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Weather in April

April in Harriman, Tennessee, is a pleasant spring month, with an average temperature fluctuating between 68°F (20°C) and 47.5°F (8.6°C).

Temperature

As March transitions into April, Harriman sees a rise in the average high-temperature, moving from a mild 57.2°F (14°C) to an agreeable 68°F (20°C). Harriman encounters a steady low-temperature average of 47.5°F (8.6°C) throughout the month of April.

Humidity

The average relative humidity in April is 77%.

Rainfall

In April, in Harriman, the rain falls for 14.4 days. Throughout April, 3.39" (86mm) of precipitation is accumulated. Throughout the year, there are 169.5 rainfall days, and 34.09" (866mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall in Harriman, Tennessee. April is the last month it regularly snows in Harriman. During 0.3 snowfall days, in April, Harriman aggregates 0.12" (3mm) of snow. Throughout the year, in Harriman, Tennessee, there are 15.2 snowfall days, and 2.76" (70mm) of snow is accumulated.

Daylight

The average length of the day in April in Harriman is 13h and 8min.
On the first day of the month, sunrise is at 7:23 am and sunset at 8:00 pm. On the last day of April, sunrise is at 6:45 am and sunset at 8:24 pm EDT.

Sunshine

In Harriman, the average sunshine in April is 8h.

UV index

The average daily maximum UV index in April is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The UV index of 5 during April translates into the following guidance:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. It's recommended to limit sun exposure when its radiation is at its peak during midday. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
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Frequently asked questions

What is the usual temperature for Harriman in April?

Harriman in April has an average high-temperature of 68°F (20°C) and an average low-temperature of 47.5°F (8.6°C).

What is the average humidity in April in Harriman?

In April, the average relative humidity in Harriman, Tennessee, is 77%.

How many days does it rain in April in Harriman?

In Harriman, Tennessee, during April, the rain falls for 14.4 days and regularly aggregates up to 3.39" (86mm) of precipitation.

What is the last month it snows in Harriman?

April is the last month it regularly snows. During 0.3 snowfall days, in April, Harriman aggregates 0.12" (3mm) of snow.

What is the average length of the day in April in Harriman?

In April, the average day length is 13h and 8min.

What time are sunrise and sunset in April in Harriman?

On the first day of April, sunrise is at 7:23 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 6:45 am and sunset at 8:24 pm EDT.

How long on average sun shines in April in Harriman?

In Harriman, Tennessee, the average sunshine duration in April is 8h.

How high is the UV index in April in Harriman?

In Harriman, Tennessee, the average daily maximum UV index in April is 5. A UV Index reading of 3 to 5 represents a moderate health threat from unprotected exposure to UV radiation.
Average high temperature
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 April
Harriman, TN

Average temperature in April - Harriman, TN
  • Average high temperature in April: 68°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (44.1°F).

  • Average low temperature in April: 47.5°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).

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Average pressure in April
Harriman, TN

Average pressure in April - Harriman, 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).

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Average wind speed in April
Harriman, TN

Average wind speed in April - Harriman, TN
  • Average wind speed in April: 6.3mph

The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).

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Average humidity in April
Harriman, TN

Average humidity in April - Harriman, TN
  • Average humidity in April: 77%

The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are June, August, October and November (76%).

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Average rainfall in April
Harriman, TN

Average rainfall in April - Harriman, TN
  • Average rainfall in April: 3.39"

The wettest month (with the highest rainfall) is July (4.09").
The driest month (with the least rainfall) is September (1.97").

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Average rainfall days in April
Harriman, TN

Average rainfall days in April - Harriman, TN
  • Average rainfall days in April: 14.4 days

The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is November (8.9 days).

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Average snowfall in April
Harriman, TN

Average snowfall in April - Harriman, TN
  • Average snowfall in April: 0.12"

The month with the highest snowfall is February (1.06").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in April
Harriman, TN

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

The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

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

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 April: 8h and 0min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The months with the least sunshine are January and December (Average sunshine: 4h and 48min).

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Average sunshine days in April
Harriman, TN

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

The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is July (10.7 days).

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Average UV index in April
Harriman, TN

Average UV index in April - Harriman, 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).

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Average cloud cover in April
Harriman, TN

Average cloud cover in April - Harriman, TN
  • Average cloud cover in April: 40

The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 31).

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Average visibility in April
Harriman, TN

Average visibility in April - Harriman, TN
  • Average visibility in April: 5mi

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

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Harriman, Tennessee, USA

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