October weather forecastSan Luis, Cuba

Weather in October

Exhibiting further cooling, October sees temperatures drop to a high of 29.9°C (85.8°F) and a low of 22.2°C (72°F). This cooling is matched with a dip in daylight hours to 11.7, a clear departure from the longer daylight hours just a few months prior. In terms of precipitation, rainfall slightly decreases from its September peak, tallying up 118mm (4.65") over 26.5 wet days. The wind maintains a steady speed throughout the month, averaging at 5.9km/h (3.7mph). In essence, October secures the transition to noticeably cooler weather, retaining high rainfall.

Temperature

San Luis's shift into October sets the average high-temperature at a moderately hot 29.9°C (85.8°F), a figure that deviates only slightly from September's 31.2°C (88.2°F). In the month of October, San Luis experiences an average low-temperature of 22.2°C (72°F).

Heat index

Throughout October, the heat index is estimated at a torrid 38°C (100.4°F). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.
Heat index's context suggests values are appropriate for shady areas and slight breezes. 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 'felt air temperature' or 'real feel', quantifies the warmth felt when relative humidity is considered. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
In the face of high temperatures, the human body's reflex is to perspire, leveraging sweat evaporation for cooling. An upsurge in relative humidity affects normal body cooling mechanisms by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. Excessive heat gain, when not shed effectively by the body, can result in increasing body temperatures and related hazards.

Humidity

October and November, with an average relative humidity of 83%, are the most humid months.

Rainfall

In San Luis, in October, during 26.5 rainfall days, 118mm (4.65") of precipitation is typically accumulated. In San Luis, during the entire year, the rain falls for 242.5 days and collects up to 898mm (35.35") of precipitation.

Daylight

The average length of the day in October is 11h and 41min.
On the first day of the month, sunrise is at 06:54 and sunset at 18:51. On the last day of October, sunrise is at 07:04 and sunset at 18:29 CDT.

Sunshine

The average sunshine in October is 8.2h.

UV index

The months with the lowest UV index are January through April, October through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: A daily high UV index of 6 in October leads to these guidelines:
Deter overexposure. Protecting against the sun's effects is essential. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.