October weather forecast
Jalthara, Sri Lanka

October is a hot autumn month in Jalthara, Sri Lanka, with temperature in the range of an average high of 30°C (86°F) and an average low of 25°C (77°F).

Temperature

On the advent of October, Jalthara's average high-temperature exhibits a minor adjustment to a tropical 30°C (86°F) from September's 29.1°C (84.4°F). October is characterized by a steady nighttime low-temperature of 25°C (77°F).

Heat index

For October, the heat index is estimated at a torrid 38°C (100.4°F). Adopt enhanced safety measures, heat exhaustion and heat cramps could occur. Continuous activity may induce heatstroke.
When referencing the heat index, its values are suitable for shady environments and light breezes. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', gives an indication of how one might feel in terms of heat after considering humidity. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. When the air contains significant moisture, the efficiency of the evaporation process decreases, preventing the body from cooling down effectively and creating a feeling of overheating. Overheating can ensue when the body accumulates more heat than it can release, and dehydration severity may vary.

Humidity

The average relative humidity in October is 80%.

Rainfall

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

Daylight

In Jalthara, the average length of the day in October is 11h and 58min.
On the first day of October in Jalthara, Sri Lanka, sunrise is at 05:57 and sunset at 18:01. On the last day of the month, sunrise is at 05:56 and sunset at 17:49 +0530.

Sunshine

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

UV index

The months with the lowest UV index in Jalthara are May, June, August and October, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the average person.
Note: In October, the maximum UV index of 6 translates into these guidelines:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.