May weather forecast
Vertientes, Cuba

The last month of the spring, May, is also a hot month in Vertientes, Cuba, with temperature in the range of an average low of 22.4°C (72.3°F) and an average high of 31.3°C (88.3°F).

Temperature

The high-temperature average in May for Vertientes is a still hot 31.3°C (88.3°F), staying closely aligned with April's conditions. In May, Vertientes reports a consistent average low-temperature of 22.4°C (72.3°F) during the nights.

Heat index

May's heat index is calculated to be a blistering 41°C (105.8°F). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.
One should be cognizant that the heat index values are tailored for shaded spots and mild winds. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', combines both the air temperature and the humidity level to give a perceived human temperature. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
The human body keeps its cool primarily through perspiration, as this process enables sweat to evaporate, taking away the excess heat. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. Exceeding the body's heat disposal threshold results in a rise in body temperature and potential thermal disorders.

Humidity

The average relative humidity in May is 77%.

Rainfall

May is the month with the most rainfall. Rain falls for 20.5 days and accumulates 103mm (4.06") of precipitation.

Daylight

In May, the average length of the day is 13h and 10min.
On the first day of the month, sunrise is at 06:41 and sunset at 19:38. On the last day of May, in Vertientes, sunrise is at 06:30 and sunset at 19:50 CDT.

Sunshine

In May, the average sunshine is 10h.

UV index

March through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index of 7 in May interprets into the following recommendations:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. 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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.