October weather forecast
Aluthgama, Sri Lanka

October, like September, in Aluthgama, Sri Lanka, is another warm autumn month, with an average temperature fluctuating between 29.6°C (85.3°F) and 25.5°C (77.9°F).

Temperature

With the onset of October, a modest change to a still warm 29.6°C (85.3°F) from September's 28.8°C (83.8°F) is noted in high-temperature. Maintaining close parity with daytime warmth, the average nocturnal temperature in Aluthgama during October stays at a still warm 25.5°C (77.9°F).

Heat index

The heat index value for October is calculated to be a torrid 36°C (96.8°F). Greater preventive actions are needed, heat exhaustion and heat cramps are likely. Persistent activity could provoke heatstroke.
Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 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. Excessive relative humidity disturbs the body's typical cooling process by reducing evaporation, leading to a decrease in body cooling rate and an increase in the sensation of warmth. Overheating can ensue when the body accumulates more heat than it can release, and dehydration severity may vary.

Humidity

In October, the average relative humidity in Aluthgama is 80%.

Rainfall

In October, the rain falls for 25.2 days. Throughout October, 192mm (7.56") of precipitation is accumulated. Throughout the year, in Aluthgama, there are 273.8 rainfall days, and 2059mm (81.06") of precipitation is accumulated.

Daylight

In October, the average length of the day is 11h and 59min.
On the first day of the month, sunrise is at 05:57 and sunset at 18:01. On the last day of October, in Aluthgama, sunrise is at 05:56 and sunset at 17:50 +0530.

Sunshine

In Aluthgama, the average sunshine in October is 7.9h.

UV index

The months with the highest UV index are January through April, July, September through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the average person.
Note: In October, the UV index of 7 transforms into the following advice:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.