April weather forecast
Cayo Largo, Cuba

April is a tropical spring month in Cayo Largo, Cuba, with temperature in the range of an average low of 21°C (69.8°F) and an average high of 30.6°C (87.1°F).

Temperature

Transitioning into April, Cayo Largo records an average high-temperature of a hot 30.6°C (87.1°F), almost identical to March's 28°C (82.4°F). In the month of April, the nighttime temperature dips to a steady average of 21°C (69.8°F).

Heat index

For April, the heat index is computed to be a fiery hot 37°C (98.6°F). Additional precautions are required to avert heat cramps and heat exhaustion. Persistent activity may culminate in heatstroke.
In the scope of the heat index, its values resonate with shade and light wind conditions. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', comes about by integrating the temperature readings with the humidity levels. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
Through perspiration, the body has a natural mechanism to eliminate excessive heat via sweat evaporation. With high air temperature and humidity (high heat index) conditions, sweat production is restricted, leading to an amplified perception of heat. When body temperature rises due to an imbalance in heat gain, there's a potential for dehydration and overheating.

Humidity

April is the least humid month in Cayo Largo, Cuba, with an average relative humidity of 73%.

Rainfall

In Cayo Largo, in April, during 8.2 rainfall days, 21mm (0.83") of precipitation is typically accumulated. In Cayo Largo, during the entire year, the rain falls for 143.3 days and collects up to 542mm (21.34") of precipitation.

Daylight

In Cayo Largo, Cuba, the average length of the day in April is 12h and 41min.
On the first day of April in Cayo Largo, Cuba, sunrise is at 07:25 and sunset at 19:49. On the last day of the month, sunrise is at 07:01 and sunset at 20:00 CDT.

Sunshine

In April, the average sunshine is 9h.

UV index

The months with the highest UV index in Cayo Largo are April through September, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the average person.
Note: The UV index of 7 during April translates into the following guidance:
Shield from overexposure. Defense against sun-related harm is required. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.