October weather forecast
Hewagama, Sri Lanka

October is a tropical autumn month in Hewagama, Sri Lanka, with an average temperature fluctuating between 30°C (86°F) and 25°C (77°F).

Temperature

Hewagama's October reports an average high-temperature of a tropical 30°C (86°F), exhibiting a minor difference from September. Hewagama documents a consistent average low-temperature of 25°C (77°F) at night during October.

Heat index

In October, the heat index is computed to be a torrid 38°C (100.4°F). Exercise extra preventive actions, heat cramps and heat exhaustion are plausible. Continuous activity could result in heatstroke.
Heat index values are typically calculated for conditions of shade and a light breeze. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
When it comes to cooling down, the human body's primary method is through perspiration, making use of sweat evaporation to eliminate excess heat. With high air temperature and humidity (high heat index) conditions, sweat production is restricted, leading to an amplified perception of heat. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.

Humidity

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

Rainfall

In Hewagama, in October, it is raining for 27 days, with typically 237mm (9.33") of accumulated precipitation. In Hewagama, during the entire year, the rain falls for 289.4 days and collects up to 2262mm (89.06") of precipitation.

Daylight

In Hewagama, the average length of the day in October is 11h and 58min.
On the first day of October, sunrise is at 05:57 and sunset at 18:01. On the last day of the month, sunrise is at 05:57 and sunset at 17:50 +0530.

Sunshine

In Hewagama, the average sunshine in October is 7.7h.

UV index

May, June, August and October, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: A maximum high UV index of 6 in October translates into the following recommendations:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.