April weather forecast
San Carlos, Cuba

April, like March, in San Carlos, Cuba, is a moderately hot spring month, with an average temperature fluctuating between 21.4°C (70.5°F) and 29.6°C (85.3°F).

Temperature

The introduction of April sees an average high-temperature of a still moderately hot 29.6°C (85.3°F), hardly deviating from March. In San Carlos, the nighttime temperature averages to an agreeable 21.4°C (70.5°F) during April.

Heat index

The heat index in April is calculated to be a sweltering 35°C (95°F). Undertake additional precautions, heat cramps and heat exhaustion could happen. Heatstroke could occur from sustained activity.
Be informed that the heat index values are oriented around shady conditions and gentle breezes. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a measure of how hot it feels when the actual air humidity is factored in. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. With higher relative humidity, the rate of evaporation is reduced, resulting in increased heat retention in the body compared to drier air. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.

Humidity

The average relative humidity in April is 76%.

Rainfall

In San Carlos, in April, it is raining for 19.3 days, with typically 44mm (1.73") of accumulated precipitation. In San Carlos, during the entire year, the rain falls for 209 days and collects up to 646mm (25.43") of precipitation.

Daylight

The average length of the day in April is 12h and 37min.
On the first day of the month, sunrise is at 06:53 and sunset at 19:15. On the last day of April, in San Carlos, Cuba, sunrise is at 06:31 and sunset at 19:24 CDT.

Sunshine

In April, the average sunshine in San Carlos is 11.1h.

UV index

The months with the highest UV index in San Carlos are April through October, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In April, the average maximum UV index of 7 translates into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.