May weather forecast
Cayo Largo, Cuba

The last month of the spring, May, is another tropical month in Cayo Largo, Cuba, with an average temperature fluctuating between 30.9°C (87.6°F) and 22.2°C (72°F).

Temperature

Transitioning from April to May, Cayo Largo observes an average high-temperature of a still tropical 30.9°C (87.6°F), differing subtly from the previous month. Cayo Largo experiences an average low-temperature of 22.2°C (72°F) in the month of May.

Heat index

The heat index for May is evaluated at a fiery hot 39°C (102.2°F). Implement additional cautionary measures, heat cramps and heat exhaustion could occur. Prolonged activity might induce heatstroke.
Realize that the values for the heat index are set for shaded places and light winds. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', evaluates the perceived heat by adding the effect of moisture in the air. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
Perspiring is the body's way of cooling down, particularly by allowing sweat to evaporate and take the heat with it. With higher relative humidity, the rate of evaporation is reduced, resulting in increased heat retention in the body compared to drier air. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.

Humidity

In May, the average relative humidity is 75%.

Rainfall

In Cayo Largo, in May, it is raining for 13.7 days, with typically 52mm (2.05") of accumulated precipitation. In Cayo Largo, during the entire year, the rain falls for 143.3 days and collects up to 542mm (21.34") of precipitation.

Daylight

In Cayo Largo, the average length of the day in May is 13h and 13min.
On the first day of the month, sunrise is at 07:01 and sunset at 20:00. On the last day of May, sunrise is at 06:49 and sunset at 20:14 CDT.

Sunshine

The months with the most sunshine are May and June, with an average of 10.2h of sunshine.

UV index

The months with the highest UV index are April through September, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The UV index of 7 during May translates into the following guidance:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.