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 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
Observing a slight rise in April, the average high-temperature shifts from March's 75.6°F (24.2°C) to a still warm 82°F (27.8°C). During the nights in April, Riverdale experiences a consistent average temperature of 63.1°F (17.3°C).Heat index
For most parts of April, the heat index is estimated at a tropical 87.8°F (31°C). Ongoing exposure and activity could lead to a state of exhaustion, with a chance of heat cramps.For clarity, heat index numbers account for light winds and areas under shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are particularly meaningful for babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
Humidity
In Riverdale, the average relative humidity in April is 74%.Rainfall
In Riverdale, Florida, during April, the rain falls for 9.2 days and regularly aggregates up to 0.67" (17mm) of precipitation. In Riverdale, during the entire year, the rain falls for 140.2 days and collects up to 15" (381mm) of precipitation.Daylight
In Riverdale, the average length of the day in April is 12h and 52min.On the first day of April in Riverdale, sunrise is at 7:17 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 8:03 pm EDT.
Sunshine
In Riverdale, the average sunshine in April is 9.3h.UV index
In April, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum daily UV index of 6 during April morphs into the following directions:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Frequently asked questions
What are April temperatures in Riverdale?
What is the average humidity in April in Riverdale?
How many days does it rain in April in Riverdale?
How many hours of daylight does Riverdale have in April?
When is the sunrise / sunset in April in Riverdale?
How long on average sun shines in April in Riverdale?
How high is the UV index in April in Riverdale?
Average temperature in April
Riverdale, FL
- Average high temperature in April: 82°F
The warmest month (with the highest average high temperature) is August (90°F).
The month with the lowest average high temperature is January (67.6°F).
- Average low temperature in April: 63.1°F
The month with the highest average low temperature is August (75.6°F).
The coldest month (with the lowest average low temperature) is January (50°F).
Average pressure in April
Riverdale, FL
- Average pressure in April: 30.03"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is September (29.96"Hg).
Average wind speed in April
Riverdale, FL
- Average wind speed in April: 6.3mph
The windiest months (with the highest average wind speed) are March and April (6.3mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).
Average humidity in April
Riverdale, FL
- Average humidity in April: 74%
The months with the highest relative humidity are July, August and September (79%).
The month with the lowest relative humidity is March (72%).
Average rainfall in April
Riverdale, FL
- Average rainfall in April: 0.67"
The wettest month (with the highest rainfall) is August (2.95").
The driest month (with the least rainfall) is January (0.31").
Average rainfall days in April
Riverdale, FL
- Average rainfall days in April: 9.2 days
The month with the highest number of rainy days is July (20.8 days).
The month with the least rainy days is January (5.8 days).
Average daylight in April /
Average sunshine in April
Riverdale, FL
- Average daylight in April: 12h and 5min
The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).
- Average sunshine in April: 9h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 6h and 12min).
Average sunshine days in April
Riverdale, FL
- Average sunshine days in April: 18.3 days
The month with the most sunshine days is January (23.3 days).
The month with the least sunshine days is August (6.2 days).
Average UV index in April
Riverdale, FL
- Average UV index in April: 6
The months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is January (UV index 4).
Average cloud cover in April
Riverdale, FL
- Average cloud cover in April: 30
The month with the most cloud cover is February (Cloud cover 37).
The month with the least cloud cover is May (Cloud cover 28).
Average visibility in April
Riverdale, FL
- 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, Florida, USA
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