April weather forecastDecatur, TN
April
Weather in April
April is a pleasant spring month in Decatur, Tennessee, with an average temperature varying between 48.7°F (9.3°C) and 69.1°F (20.6°C).Temperature
The beginning of April marks a shift in the average high-temperature, moving from March's refreshing 58.6°F (14.8°C) to an agreeable 69.1°F (20.6°C). April nights in Decatur experience a consistent temperature drop to a chilly 48.7°F (9.3°C).Humidity
In Decatur, the average relative humidity in April is 77%.Rainfall
In Decatur, Tennessee, in April, it is raining for 14.8 days, with typically 4.06" (103mm) of accumulated precipitation. In Decatur, during the entire year, the rain falls for 171.8 days and collects up to 41.81" (1062mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. April is the last month it regularly snows in Decatur. During 0.3 snowfall days, in April, Decatur aggregates 0.08" (2mm) of snow. Throughout the year, there are 14.8 snowfall days, and 3.07" (78mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 7min.On the first day of April, sunrise is at 7:24 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 8:25 pm EDT.
Sunshine
In April, the average sunshine is 8.3h.UV index
In April, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 5 in April interprets into the following recommendations:
Exercise prevention - Warding off sunburn is urged. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Decatur, TN
- Average high temperature in April: 69.1°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 (45.5°F).
- Average low temperature in April: 48.7°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in April
Decatur, 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
Decatur, TN
- Average wind speed in April: 6.5mph
The windiest months (with the highest average wind speed) are February, March and April (6.5mph).
The calmest months (with the lowest average wind speed) are July and August (3.9mph).
Average humidity in April
Decatur, 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 (75%).
Average rainfall in April
Decatur, TN
- Average rainfall in April: 4.06"
The wettest months (with the highest rainfall) are July and December (4.29").
The driest month (with the least rainfall) is September (2.32").
Average rainfall days in April
Decatur, 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 (9.5 days).
Average snowfall in April
Decatur, TN
- Average snowfall in April: 0.08"
The month with the highest snowfall is January (1.02").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Decatur, 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).
Average daylight in April /
Average sunshine in April
Decatur, 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 18min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in April
Decatur, TN
- Average sunshine days in April: 13.3 days
The month with the most sunshine days is October (18.6 days).
The month with the least sunshine days is July (10.2 days).
Average UV index in April
Decatur, 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
Decatur, 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 30).
Average visibility in April
Decatur, 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).
