April weather forecast
Havana, Cuba

April sets Havana on the path towards the hot, humid summer months. A distinct elevation in temperature is noticed, marking the rise in heat and humidity, which reveals the transition period between winter to summer. April experiences an average UV index of 12, highest for the year, indicating a potential severity for skin exposure. Residents and visitors are enticed by the increased daylight hours and warmer sea temperatures. It is important to note that April also denotes an increment in rainfall with a month total of 54mm (2.13").

Temperature

April denotes a minimal variation in the average high-temperature to a still moderately hot 28.6°C (83.5°F) from March's 27.6°C (81.7°F). The low-temperature averages to a pleasant 20.9°C (69.6°F) during the nights of April.

Heat index

The heat index for April is appraised at a hot 32°C (89.6°F). Remaining active during long-lasting exposure could cause fatigue, leading to heat cramps.
Records show heat index calculations are tailored for shaded regions and mild winds. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.

Humidity

With an average relative humidity of 72%, April is the least humid month in Havana, Cuba.

Rainfall

In Havana, Cuba, in April, during 3 rainfall days, 54mm (2.13") of precipitation is typically accumulated. In Havana, during the entire year, the rain falls for 80 days and collects up to 1189mm (46.81") of precipitation.

Sea temperature

In Havana, the average seawater temperature in April is 26.8°C (80.2°F).
Note: For any water activity, temperatures between 25°C (77°F) and 29°C (84.2°F) are deemed excellent and extremely satisfying for enduring periods.

Daylight

In Havana, the average length of the day in April is 12h and 42min.
On the first day of April, sunrise is at 07:20 and sunset at 19:45. On the last day of the month, sunrise is at 06:56 and sunset at 19:56 CDT.

Sunshine

In Havana, Cuba, the average sunshine in April is 9h.

UV index

The months with the highest UV index in Havana are April through June, with an average maximum UV index of 12. A UV Index value of 11, and more, symbolizes an extreme threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: In April, an average UV index of 12 transforms into the following instructions:
Adopt every vital precaution, unprotected skin and eyes may burn rapidly. 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. Always opt for UVA and UVB-resistant sunglasses on radiant days. A broad-spectrum sunscreen of SPF 30+ should be used liberally and reapplied every two hours or post an outdoor workout or swim. Be alert! The reflection of water and sand augments UV radiation intensity.