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
April sees a rise in the average high-temperature, climbing from a refreshing 63.9°F (17.7°C) in March to an agreeable 73°F (22.8°C). Riverdale records an average low-temperature of 53.2°F (11.8°C) throughout the month of April.Humidity
The average relative humidity in April in Riverdale is 73%.Rainfall
In Riverdale, in April, during 14.3 rainfall days, 3.46" (88mm) of precipitation is typically accumulated. Throughout the year, there are 181.2 rainfall days, and 41.06" (1043mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In April, the average length of the day is 13h and 2min.On the first day of April, sunrise is at 7:24 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 8:20 pm EDT.
Sunshine
In April, the average sunshine is 8.4h.UV index
The average daily maximum UV index in April is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: The UV index of 5 in April translates into these instructions:
Prioritize safety - Recommendations to avert sunburn are shared. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April?
What is the average humidity in April?
How many days does it rain in April?
When it does not snow?
Does it snow in April?
How many hours of daylight does Riverdale have in April?
When is the sunrise / sunset in April?
How many hours of sunshine does Riverdale have in April?
What is the UV index reading in April?
Average temperature in April
Riverdale, GA
- Average high temperature in April: 73°F
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (51.3°F).
- Average low temperature in April: 53.2°F
The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (35.6°F).
Average pressure in April
Riverdale, GA
- Average pressure in April: 30.02"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in April
Riverdale, GA
- Average wind speed in April: 7.1mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in April
Riverdale, GA
- Average humidity in April: 73%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Riverdale, GA
- Average rainfall in April: 3.46"
The wettest month (with the highest rainfall) is August (5.43").
The driest month (with the least rainfall) is October (2.17").
Average rainfall days in April
Riverdale, GA
- Average rainfall days in April: 14.3 days
The month with the highest number of rainy days is July (22.8 days).
The month with the least rainy days is November (9.6 days).
Average snowfall in April
Riverdale, GA
- Average snowfall in April: 0"
The month with the highest snowfall is January (0.47").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Riverdale, GA
- Average snowfall days in April: 0.1 days
The month with the highest number of snowfall days is February (1.2 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
Riverdale, GA
- Average daylight in April: 13h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in April: 8h and 2min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in April
Riverdale, GA
- Average sunshine days in April: 14.4 days
The month with the most sunshine days is October (20.1 days).
The month with the least sunshine days is July (7.2 days).
Average UV index in April
Riverdale, GA
- Average UV index in April: 5
The months with the highest UV index are May, June, July, August and September (UV index 6).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in April
Riverdale, GA
- Average cloud cover in April: 35
The month with the most cloud cover is December (Cloud cover 47).
The months with the least cloud cover are June and October (Cloud cover 31).
Average visibility in April
Riverdale, GA
- 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).
Riverdale, Georgia, USA
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