April weather forecastGuantanamo, Cuba

Weather in April

April in Guantanamo signifies the onset of warmer months as the mercury begins to rise gradually. This month records a perceptible gain in monthly average rainfall which increases to 44mm (1.73"). The temperature also shows an uptick, indicating the transition towards the sweltering summer months. Compared to March, the notable increase in rainfall and significant changes in temperature signal the arrival of a new season. The city will experience further warming and more precipitation in the coming months, reaching their peak during mid-summer.

Temperature

The onset of April brings with it an average high-temperature of a still warm 29.6°C (85.3°F), showing a negligible variation from the month before. The mean low-temperature during April nights is a pleasant 21.4°C (70.5°F).

Heat index

The heat index value for April is calculated to be a sweltering 35°C (95°F). Implement additional cautionary measures, heat cramps and heat exhaustion could occur. Prolonged activity might induce heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'feels like' or 'real feel', represents the fusion of temperature and moisture in the air to suggest how warm it feels. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. 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 hold great significance to children. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.
When the body gets too warm, it perspires, leading to sweat evaporation which cools it down. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. Should the body fail to balance its heat gain, the escalating temperature poses health challenges.

Humidity

In April, the average relative humidity is 76%.

Rainfall

In April, in Guantanamo, Cuba, the rain falls for 19.3 days. Throughout April, 44mm (1.73") of precipitation is accumulated. In Guantanamo, during the entire year, the rain falls for 209 days and collects up to 646mm (25.43") of precipitation.

Daylight

In April, the average length of the day 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, sunrise is at 06:31 and sunset at 19:24 CDT.

Sunshine

In April, the average sunshine is 11.1h.

UV index

The months with the highest UV index are April through October, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum high UV index of 7 in April translates into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.