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
March's transformation into April witnesses an average high-temperature of a still moderately hot 83.8°F (28.8°C), noting a minor change from the preceding month. In the month of April, the average low-temperature usually rests at a refreshing 67.3°F (19.6°C).Heat index
The heat index in April is calculated to be a tropical 91.4°F (33°C). Undertake special precautions, the probability of heat exhaustion and heat cramps is high. Prolonged activity may provoke heatstroke.Heat index specifics point out values are for conditions of shade and a slight breeze. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are quite important for children. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.
Humidity
In April, the average relative humidity is 72%.Rainfall
In Harlem, in April, it is raining for 12.8 days, with typically 0.71" (18mm) of accumulated precipitation. In Harlem, during the entire year, the rain falls for 166.9 days and collects up to 16.06" (408mm) of precipitation.Daylight
The average length of the day in April is 12h and 49min.On the first day of the month, sunrise is at 7:13 am and sunset at 7:41 pm. On the last day of April, sunrise is at 6:45 am and sunset at 7:56 pm EDT.
Sunshine
The average sunshine in April is 9.4h.UV index
In April, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In April, a regular UV index of 6 translates into these guidelines:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is April?
What is the average humidity in April?
How much does it rain in April?
What is the average length of the day in April?
What time are sunrise and sunset in April?
How many hours of sunshine does Harlem have in April?
What is the UV index reading in April in Harlem?
Average temperature in April
Harlem, FL
- Average high temperature in April: 83.8°F
The warmest month (with the highest average high temperature) is August (89.6°F).
The month with the lowest average high temperature is January (72.3°F).
- Average low temperature in April: 67.3°F
The month with the highest average low temperature is August (76.5°F).
The coldest month (with the lowest average low temperature) is January (56.1°F).
Average pressure in April
Harlem, FL
- Average pressure in April: 30.02"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is September (29.95"Hg).
Average wind speed in April
Harlem, FL
- Average wind speed in April: 7mph
The windiest month (with the highest average wind speed) is March (7.1mph).
The calmest month (with the lowest average wind speed) is July (4.7mph).
Average humidity in April
Harlem, FL
- Average humidity in April: 72%
The month with the highest relative humidity is September (81%).
The month with the lowest relative humidity is March (70%).
Average rainfall in April
Harlem, FL
- Average rainfall in April: 0.71"
The wettest month (with the highest rainfall) is August (3.19").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in April
Harlem, FL
- Average rainfall days in April: 12.8 days
The month with the highest number of rainy days is August (22.3 days).
The month with the least rainy days is January (6.8 days).
Average daylight in April /
Average sunshine in April
Harlem, FL
- Average daylight in April: 12h and 5min
The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in April: 9h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 6h and 12min).
Average sunshine days in April
Harlem, FL
- Average sunshine days in April: 13.8 days
The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is August (4.3 days).
Average UV index in April
Harlem, 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 months with the lowest UV index are January, February and December (UV index 5).
Average cloud cover in April
Harlem, FL
- Average cloud cover in April: 29
The months with the most cloud cover are January, November and December (Cloud cover 34).
The months with the least cloud cover are March, April and May (Cloud cover 29).
Average visibility in April
Harlem, 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).
Harlem, Florida, USA
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