April weather forecastSignal Hills, TN
April
Weather in April
April in Signal Hills, Tennessee, is an agreeable spring month, with an average temperature varying between 49.1°F (9.5°C) and 69.4°F (20.8°C).Temperature
With the onset of April, Signal Hills sees a temperature rise, with the average high-temperature moving from March's moderate 59.5°F (15.3°C) to a pleasant 69.4°F (20.8°C). An average low-temperature of 49.1°F (9.5°C) is noted during the month of April.Humidity
In April, the average relative humidity is 77%.Rainfall
In Signal Hills, in April, during 8.5 rainfall days, 0.94" (24mm) of precipitation is typically accumulated. Throughout the year, there are 104.5 rainfall days, and 10.98" (279mm) of precipitation is accumulated.Snowfall
April through November are months without snowfall.Daylight
In Signal Hills, Tennessee, 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
In Signal Hills, the average sunshine in April is 8.2h.UV index
In April, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In April, the maximum UV index of 5 suggests this advice:
Put precautions into practice - Ensuring skin and eye safety is a necessity. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Signal Hills, TN
- Average high temperature in April: 69.4°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 (46°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 (30.9°F).
Average pressure in April
Signal Hills, 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 Hills, 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 Hills, 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, October and November (75%).
Average rainfall in April
Signal Hills, TN
- Average rainfall in April: 0.94"
The wettest months (with the highest rainfall) are February and December (1.18").
The driest month (with the least rainfall) is September (0.43").
Average rainfall days in April
Signal Hills, TN
- Average rainfall days in April: 8.5 days
The month with the highest number of rainy days is July (11.7 days).
The month with the least rainy days is October (6.1 days).
Average snowfall in April
Signal Hills, TN
- Average snowfall in April: 0"
The month with the highest snowfall is February (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in April
Signal Hills, TN
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Signal Hills, TN
- Average daylight in April: 13h and 6min
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 12min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in April
Signal Hills, TN
- Average sunshine days in April: 18.8 days
The month with the most sunshine days is October (23.6 days).
The month with the least sunshine days is July (16.8 days).
Average UV index in April
Signal Hills, 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 Hills, TN
- Average cloud cover in April: 38
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in April
Signal Hills, 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).
