May weather forecast
Catalina de Güines, Cuba

The last month of the spring, May, is also a hot month in Catalina de Güines, Cuba, with an average temperature varying between 23.2°C (73.8°F) and 30.5°C (86.9°F).

Temperature

With the transition into May, Catalina de Güines notes an average high-temperature of a still tropical 30.5°C (86.9°F), closely resembling April. In May, the average low-temperature records at a warm 23.2°C (73.8°F) during the nights.

Heat index

May's average heat index is calculated to be a fiery hot 37°C (98.6°F). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.
Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. 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 innate cooling system of the human body revolves around perspiration, with the evaporation of sweat being central to this process. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. When heat uptake goes beyond the body's cooling mechanisms, there's a surge in body temperature, posing health risks.

Humidity

In May, the average relative humidity is 74%.

Rainfall

In Catalina de Güines, in May, during 19.3 rainfall days, 106mm (4.17") of precipitation is typically accumulated. Throughout the year, there are 206.8 rainfall days, and 820mm (32.28") of precipitation is accumulated.

Daylight

In May, the average length of the day is 13h and 15min.
On the first day of the month, sunrise is at 06:54 and sunset at 19:55. On the last day of May, sunrise is at 06:42 and sunset at 20:09 CDT.

Sunshine

In May, the average sunshine is 10.6h.

UV index

March through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 7 in May converts into the following recommendations:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. 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.