April weather forecastDecatur, AL
April
Weather in April
April brings milder weather to Decatur, with the temperature rising from 51.4°F (10.8°C) to 70.5°F (21.4°C), signaling full immersion in Spring. The city sees a surge in the amount of sunshine and daylight hours allows for a longer period of outdoor activities. April showers grace the city with ample rainfall, nurturing the thriving spring foliage. Warmer days and cool nights lead to comfortable conditions, enticing the residents to relish the outdoors. The wind speed experiences a dip, making for more calm and serene atmosphere.Temperature
With the transition into April, Decatur experiences an increase in average high-temperatures, moving up from a refreshing 61.3°F (16.3°C) in March to an agreeable 70.5°F (21.4°C). During April, Decatur consistently records a temperature low averaging a fresh 51.4°F (10.8°C).Humidity
The average relative humidity in April is 76%.Rainfall
In April, the rain falls for 14.5 days. Throughout April, 4.37" (111mm) of precipitation is accumulated. Throughout the year, there are 177.6 rainfall days, and 43.11" (1095mm) of precipitation is accumulated.Snowfall
In Decatur, snow does not fall in April through October.Daylight
In April, the average length of the day is 13h and 5min.On the first day of the month, sunrise is at 6:33 am and sunset at 7:09 pm. On the last day of April, sunrise is at 5:57 am and sunset at 7:32 pm CDT.
Sunshine
In April, the average sunshine is 9.1h.UV index
In April, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 5 in April translates into these instructions:
Exercise care. People with light skin might get burns in fewer than 30 minutes. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Decatur, AL
- Average high temperature in April: 70.5°F
The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is January (47.5°F).
- Average low temperature in April: 51.4°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (33.3°F).
Average pressure in April
Decatur, AL
- Average pressure in April: 30"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
Decatur, AL
- Average wind speed in April: 8.1mph
The windiest month (with the highest average wind speed) is February (8.6mph).
The calmest month (with the lowest average wind speed) is July (4.8mph).
Average humidity in April
Decatur, AL
- Average humidity in April: 76%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (72%).
Average rainfall in April
Decatur, AL
- Average rainfall in April: 4.37"
The wettest month (with the highest rainfall) is December (4.45").
The driest months (with the least rainfall) are September and November (2.48").
Average rainfall days in April
Decatur, AL
- Average rainfall days in April: 14.5 days
The month with the highest number of rainy days is July (20 days).
The month with the least rainy days is November (10.4 days).
Average snowfall in April
Decatur, AL
- Average snowfall in April: 0"
The months with the highest snowfall are January and February (0.55").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Decatur, AL
- Average snowfall days in April: 0.1 days
The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Decatur, AL
- Average daylight in April: 13h and 6min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in April: 9h and 6min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in April
Decatur, AL
- Average sunshine days in April: 13.6 days
The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is July (8.8 days).
Average UV index in April
Decatur, AL
- 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 and December (UV index 2).
Average cloud cover in April
Decatur, AL
- Average cloud cover in April: 37
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in April
Decatur, AL
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





