As
Havana steps into
October, the city gears up for a marginal drop in temperatures, signifying the preliminaries of cooler months. With the highest average relative humidity of the year at 80%, October remains a persistently humid month. The shift in temperature and humidity brings about a notable change in the atmosphere. The month also witnesses the highest rainfall in the year at 181mm (7.13"), intensifying the lush green landscapes. Notwithstanding the rainfall, October remains an attractive month due to its lower temperatures and spectacular natural beauty.
Temperature
The arrival of October in Havana coincides with an average high-temperature of a warm 29.2°C (84.6°F), indicating a minimal shift from
September's 31°C (87.8°F). An average low-temperature of 23°C (73.4°F) is noted during the nights in October.
Heat index
The heat index for October is appraised at a sweltering 35°C (95°F). Take more preventive steps, risk of heat exhaustion and heat cramps is elevated. Long activity may culminate in heatstroke.
Heat index data is primarily for areas with shade and subjected to light winds. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', determines the feeling of heat when you account for the relative humidity. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. 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 essentially critical for children. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. An increase in relative humidity hinders the body's normal cooling function by reducing evaporation, thereby decreasing the rate of body cooling and enhancing the sense of warmth. Overheating risks increase with rising body temperatures, especially if heat release isn't efficient.
Humidity
October is the most humid month, with an average relative humidity of 80%.
Rainfall
In Havana, during October, the rain falls for 11 days and regularly aggregates up to 181mm (7.13") of precipitation. Throughout the year, there are 80 rainfall days, and 1189mm (46.81") of precipitation is accumulated.
Sea temperature
In Havana, in October, the average water temperature is 28.5°C (83.3°F).
Note: Water temperatures between 25°C (77°F) and 29°C (84.2°F) are regarded as highly pleasant, making all water activities enjoyable without any discomfort over long durations.
Daylight
In October, the average length of the day is 11h and 37min.
On the first day of the month, sunrise is at 07:21 and sunset at 19:16. On the last day of October, in Havana, sunrise is at 07:34 and sunset at 18:51 CDT.
Sunshine
In Havana,
Cuba, the average sunshine in October is 9h.
UV index
In October, the average daily maximum UV index in Havana is 9. A UV Index value of 8 to 10 symbolizes a very high health hazard from exposure to the Sun's UV rays for the average person.
Note: The UV index of 9 in October translates into these instructions:
Don't neglect protection; skin and eyes can be burned swiftly if left exposed. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Even on a cloudy day, a sunscreen with at least a 30 SPF should be applied generously and frequently reapplied, including after a swim or outdoor exercise. Be careful! The Sun's UV radiation is accentuated by reflecting off sand and water.