June weather forecast
San Luis, Cuba

June sustains the dynamic weather trend of May with minimal changes in temperature, rainfall, and humidity levels. Noticeable, however, is the dip in rainfall to 81mm (3.19"), a 39% decrease from May's peak. On the contrary, daylight hours reach their zenith at 13.3 hours, providing ample sunshine. Glycing through the month, winds maintain their consistency, averaging at 5.8km/h (3.6mph). This complemented by 22.4 days of rainfall makes June a month imbued with a mix of wet and sunny conditions.

Temperature

June welcomes an average high-temperature of a still tropical 31.1°C (88°F), not much different from the preceding month. An average low-temperature of 22.4°C (72.3°F) is noted during the month of June.

Heat index

For June, the heat index is evaluated at a blistering 41°C (105.8°F). Implement more preventive measures, heat cramps and heat exhaustion are probable. Heatstroke might result from extended activity.
In reference to the heat index, it's for places in shade and with a slight wind. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
The physiological way the human body responds to excessive heat is by inducing perspiration, using sweat evaporation as a cooling mechanism. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. Excessive heat gain, when not shed effectively by the body, can result in increasing body temperatures and related hazards.

Humidity

In June, the average relative humidity in San Luis is 80%.

Rainfall

In June, in San Luis, the rain falls for 22.4 days. Throughout June, 81mm (3.19") of precipitation is accumulated. Throughout the year, there are 242.5 rainfall days, and 898mm (35.35") of precipitation is accumulated.

Daylight

With an average of 13h and 18min of daylight, June has the longest days of the year.
On the first day of June in San Luis, sunrise is at 06:22 and sunset at 19:39. On the last day of the month, sunrise is at 06:27 and sunset at 19:47 CDT.

Sunshine

In San Luis, the average sunshine in June is 11.1h.

UV index

May through September, with an average maximum UV index of 7, are months with the highest UV index in San Luis. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the average person.
Note: The UV index of 7 during June translates into the following guidance:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Opt for tightly woven and loose clothing to enhance protection from the Sun.