October weather forecast
Tanduvan, Sri Lanka

October in Tanduvan, Sri Lanka, is a tropical autumn month, with temperature in the range of an average low of 26.6°C (79.9°F) and an average high of 30°C (86°F).

Temperature

The arrival of October brings an average high-temperature of a tropical 30°C (86°F), subtly diverging from September's 29.9°C (85.8°F). Throughout October, Tanduvan reports a steady low-temperature average of 26.6°C (79.9°F), slightly lower than its daytime counterpart.

Heat index

The average heat index in October is calculated to be a sweltering 37°C (98.6°F). Incorporate extra safety measures to avoid heat exhaustion and heat cramps. Continuous activity could provoke heatstroke.
One should be cognizant that the heat index values are tailored for shaded spots and mild winds. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.
The physiological way the human body responds to excessive heat is by inducing perspiration, using sweat evaporation as a cooling mechanism. Under high air temperature and high humidity (high heat index) conditions, the body's ability to perspire is compromised, increasing the sensation of heat. Heat-related disorders may develop if heat gain in the body overshadows its cooling capacity, leading to elevated temperatures.

Humidity

In October, the average relative humidity in Tanduvan, Sri Lanka, is 77%.

Rainfall

In October, in Tanduvan, the rain falls for 23.8 days. Throughout October, 174mm (6.85") of precipitation is accumulated. In Tanduvan, Sri Lanka, during the entire year, the rain falls for 181.2 days and collects up to 849mm (33.43") of precipitation.

Daylight

In October, the average length of the day is 11h and 56min.
On the first day of October, sunrise is at 05:55 and sunset at 17:58. On the last day of the month, sunrise is at 05:56 and sunset at 17:45 +0530.

Sunshine

In Tanduvan, the average sunshine in October is 8.5h.

UV index

The months with the highest UV index in Tanduvan are January through October and December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum UV index of 7 during October translates into these guidelines:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.