Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
With the onset of April, the average high-temperature slightly shifts from March's moderate 58.5°F (14.7°C) to an agreeable 68.9°F (20.5°C). Signal Mountain records an average low of 49.1°F (9.5°C) throughout the nights in April.Humidity
In Signal Mountain, the average relative humidity in April is 77%.Rainfall
In Signal Mountain, Tennessee, in April, it is raining for 15.6 days, with typically 4.09" (104mm) of accumulated precipitation. Throughout the year, in Signal Mountain, there are 187.2 rainfall days, and 44.09" (1120mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.4 snowfall days, in April, Signal Mountain aggregates 0.08" (2mm) of snow. Throughout the year, there are 17.1 snowfall days, and 5.08" (129mm) of snow is accumulated.Daylight
In Signal Mountain, the average length of the day in April is 13h and 6min.On the first day of April, sunrise is at 7:26 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 8:26 pm EDT.
Sunshine
The average sunshine in April in Signal Mountain is 8.1h.UV index
In April, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: In April, the UV index of 5 transforms into the following advice:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the temperature in April in Signal Mountain?
What is the average humidity in April in Signal Mountain?
How many days does it rain in April in Signal Mountain?
What is the last month it snows in Signal Mountain?
What is the average length of the day in April in Signal Mountain?
What time are sunrise and sunset in April in Signal Mountain?
How many hours of sunshine does Signal Mountain have in April?
What is the UV index intensity in April in Signal Mountain?
Average temperature in April
Signal Mountain, TN
- Average high temperature in April: 68.9°F
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (45.1°F).
- Average low temperature in April: 49.1°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in April
Signal Mountain, TN
- Average pressure in April: 30.01"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in April
Signal Mountain, TN
- Average wind speed in April: 6.4mph
The windiest month (with the highest average wind speed) is February (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in April
Signal Mountain, TN
- Average humidity in April: 77%
The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are June, July, August, September, October and November (76%).
Average rainfall in April
Signal Mountain, TN
- Average rainfall in April: 4.09"
The wettest month (with the highest rainfall) is December (4.53").
The driest month (with the least rainfall) is September (2.76").
Average rainfall days in April
Signal Mountain, TN
- Average rainfall days in April: 15.6 days
The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is November (10.5 days).
Average snowfall in April
Signal Mountain, TN
- Average snowfall in April: 0.08"
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 April
Signal Mountain, TN
- Average snowfall days in April: 0.4 days
The month with the highest number of snowfall days is January (5.2 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
Signal Mountain, 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 1min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in April
Signal Mountain, TN
- Average sunshine days in April: 12.7 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is July (7.7 days).
Average UV index in April
Signal Mountain, 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
Signal Mountain, TN
- Average cloud cover in April: 39
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in April
Signal Mountain, 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).
Signal Mountain, Tennessee, USA
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