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
As March transitions into April, a subtle temperature shift is observed, with average highs adjusting from a moderately hot 77.5°F (25.3°C) to a still warm 83.8°F (28.8°C). An average nighttime temperature of 66.7°F (19.3°C) is witnessed throughout April.Heat index
The heat index for April is calculated to be a tropical 89.6°F (32°C). Exposure and extended activity could potentially cause a state of fatigue and lead to heat cramps.Heat index values are typically calculated for conditions of shade and a light breeze. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', marries air temperature and humidity to produce a value illustrating perceived warmth. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.
Humidity
In Harbour Heights, the average relative humidity in April is 71%.Rainfall
In Harbour Heights, in April, during 13 rainfall days, 1.22" (31mm) of precipitation is typically accumulated. In Harbour Heights, Florida, during the entire year, the rain falls for 181.8 days and collects up to 29.37" (746mm) of precipitation.Daylight
In April, the average length of the day is 12h and 49min.On the first day of April, sunrise is at 7:17 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 8:00 pm EDT.
Sunshine
The average sunshine in April is 9.3h.UV index
In April, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for average individuals.Note: In April, the maximum UV index of 6 translates into these guidelines:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is April in Harbour Heights?
What is the average humidity in April in Harbour Heights?
How many days does it rain in April in Harbour Heights?
How many hours of daylight does Harbour Heights have in April?
When is the sunrise / sunset in April in Harbour Heights?
How long on average sun shines in April in Harbour Heights?
What is the UV index reading in April in Harbour Heights?
Average temperature in April
Harbour Heights, FL
- Average high temperature in April: 83.8°F
The warmest months (with the highest average high temperature) are July and August (90.1°F).
The month with the lowest average high temperature is January (70.9°F).
- Average low temperature in April: 66.7°F
The month with the highest average low temperature is August (77.5°F).
The coldest month (with the lowest average low temperature) is January (54.3°F).
Average pressure in April
Harbour Heights, 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
Harbour Heights, FL
- Average wind speed in April: 7.3mph
The windiest months (with the highest average wind speed) are January and March (7.5mph).
The calmest month (with the lowest average wind speed) is July (5.2mph).
Average humidity in April
Harbour Heights, FL
- Average humidity in April: 71%
The month with the highest relative humidity is September (78%).
The month with the lowest relative humidity is March (70%).
Average rainfall in April
Harbour Heights, FL
- Average rainfall in April: 1.22"
The wettest month (with the highest rainfall) is August (5.39").
The driest month (with the least rainfall) is February (0.79").
Average rainfall days in April
Harbour Heights, FL
- Average rainfall days in April: 13 days
The month with the highest number of rainy days is August (25.6 days).
The months with the least rainy days are January and February (8.1 days).
Average daylight in April /
Average sunshine in April
Harbour Heights, 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 18min).
Average sunshine days in April
Harbour Heights, FL
- Average sunshine days in April: 14.3 days
The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is August (3.8 days).
Average UV index in April
Harbour Heights, 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, November and December (UV index 5).
Average cloud cover in April
Harbour Heights, FL
- Average cloud cover in April: 27
The month with the most cloud cover is December (Cloud cover 32).
The month with the least cloud cover is May (Cloud cover 26).
Average visibility in April
Harbour Heights, 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).
Harbour Heights, Florida, USA
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