May weather forecast
Ariguanabo, Cuba

The last month of the spring, May, is also a hot month in Ariguanabo, Cuba, with temperature in the range of an average high of 31.1°C (88°F) and an average low of 23.1°C (73.6°F).

Temperature

The introduction of May sees an average high-temperature of a still tropical 31.1°C (88°F), hardly deviating from April. Ariguanabo observes an average nighttime low-temperature of 23.1°C (73.6°F) during the month of May.

Heat index

For May, the heat index is appraised at a sweltering 39°C (102.2°F). Undertake additional precautions, heat cramps and heat exhaustion could happen. Heatstroke could occur from sustained activity.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a single figure representing how weather conditions feel when combining temperature and humidity. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
When the body gets too warm, it perspires, leading to sweat evaporation which cools it down. Under conditions of high temperature and humidity (enhanced heat index), sweat production is compromised, exacerbating the sensation of warmth. Overheating risks increase with rising body temperatures, especially if heat release isn't efficient.

Humidity

The average relative humidity in May in Ariguanabo is 73%.

Rainfall

In Ariguanabo, in May, during 19.2 rainfall days, 107mm (4.21") of precipitation is typically accumulated. Throughout the year, there are 204.8 rainfall days, and 802mm (31.57") of precipitation is accumulated.

Daylight

In Ariguanabo, the average length of the day in May is 13h and 16min.
On the first day of May in Ariguanabo, Cuba, sunrise is at 06:55 and sunset at 19:57. On the last day of the month, sunrise is at 06:43 and sunset at 20:11 CDT.

Sunshine

In Ariguanabo, the average sunshine in May is 10.5h.

UV index

The months with the highest UV index in Ariguanabo are March through September, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily high UV index of 7 during May translates into the following recommendations:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.