April weather forecast
San Lorenzo, Cuba

April is a tropical spring month in San Lorenzo, Cuba, with an average temperature ranging between min 21.4°C (70.5°F) and max 31.3°C (88.3°F).

Temperature

April's arrival brings an average high-temperature of a tropical 31.3°C (88.3°F), demonstrating subtle variation from the preceding month. In San Lorenzo, an average low-temperature of 21.4°C (70.5°F) is recorded during April nights.

Heat index

For most parts of April, the heat index is calculated to be a very hot 39°C (102.2°F). Exercise increased caution, heat cramps and heat exhaustion are potential hazards. Continuous activity could lead to heatstroke.
Research indicates the heat index considers values in shaded locales and with light winds. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', marries air temperature and humidity to produce a value illustrating perceived warmth. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. During conditions of high air temperature and humidity (high heat index), the body's ability to perspire is inhibited, increasing the sensation of warmth. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.

Humidity

In San Lorenzo, the average relative humidity in April is 73%.

Rainfall

In April, in San Lorenzo, the rain falls for 12.4 days. Throughout April, 14mm (0.55") of precipitation is accumulated. In San Lorenzo, during the entire year, the rain falls for 150.7 days and collects up to 261mm (10.28") of precipitation.

Daylight

In April, the average length of the day in San Lorenzo is 12h and 38min.
On the first day of the month, sunrise is at 06:58 and sunset at 19:21. On the last day of April, sunrise is at 06:36 and sunset at 19:30 CDT.

Sunshine

In April, the average sunshine is 10.8h.

UV index

The months with the highest UV index in San Lorenzo are April through September, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: The maximum UV index of 7 during April translates into these guidelines:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.