May weather forecast
Guanabacoa, Cuba

The last month of the spring, May, is another hot month in Guanabacoa, Cuba, with an average temperature ranging between max 31.1°C (88°F) and min 23.1°C (73.6°F).

Temperature

Guanabacoa records a slight change with May's average high-temperatures adjusting to a still tropical 31.1°C (88°F) from April's 30.7°C (87.3°F). May nights are marked by an average temperature drop to a warm 23.1°C (73.6°F).

Heat index

The heat index for May is evaluated at a torrid 39°C (102.2°F). Implement more safety precautions, heat cramps and heat exhaustion may happen. Persistent activity could induce heatstroke.
Understanding the heat index involves considering values for shaded locales with light wind. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a single figure representing how weather conditions feel when combining temperature and humidity. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
The human body keeps its cool primarily through perspiration, as this process enables sweat to evaporate, taking away the excess heat. Increased relative humidity interferes with body cooling by slowing the rate of evaporation, resulting in a slower body cooling rate and a heightened feeling of heat. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.

Humidity

In May, the average relative humidity is 73%.

Rainfall

In Guanabacoa, during May, the rain falls for 19.2 days and regularly aggregates up to 107mm (4.21") of precipitation. In Guanabacoa, during the entire year, the rain falls for 204.8 days and collects up to 802mm (31.57") of precipitation.

Daylight

The average length of the day in May is 13h and 16min.
On the first day of the month, sunrise is at 06:55 and sunset at 19:56. On the last day of May, sunrise is at 06:42 and sunset at 20:10 CDT.

Sunshine

In May, the average sunshine is 10.5h.

UV index

The months with the highest UV index are March through September, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum daily UV index of 7 during May morphs into the following directions:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.