October weather forecast
Batticaloa, Sri Lanka

October signifies the beginning of the heavy monsoon period in Batticaloa, with a surge in rainfall up to 177mm (6.97"). This coincides with an increase in relative humidity. Endurance travelers who enjoy the solidarity brought about by rain would find this period interesting. Despite the increased rainfall, the sunshine hours remain roughly consistent. Bearing in mind the weather conditions from September, October turns out a cooler month.

Temperature

The arrival of October in Batticaloa sees an average high-temperature of a still tropical 31°C (87.8°F), hardly diverging from September's 31.8°C (89.2°F). October nights in Batticaloa are marked by an average temperature drop to a moderately hot 25.1°C (77.2°F).

Heat index

In October, the heat index is estimated at a blisteringly hot 40°C (104°F). Adopt extra preventive measures, the occurrence of heat cramps and heat exhaustion is likely. Heatstroke may follow extended activity.
Heat index evaluations are typically in the context of light winds and shaded environments. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'feels like', integrates the air's temperature and its humidity to showcase the felt temperature by people. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. 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 children. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.
In the face of high temperatures, the human body's reflex is to perspire, leveraging sweat evaporation for cooling. Greater relative humidity lessens the rate of evaporation, thus decreasing the body's heat dispersal, which gives rise to a sensation of overheating. 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 is 76%.

Rainfall

In Batticaloa, Sri Lanka, in October, it is raining for 25.5 days, with typically 177mm (6.97") of accumulated precipitation. Throughout the year, there are 237.8 rainfall days, and 1259mm (49.57") of precipitation is accumulated.

Daylight

In Batticaloa, the average length of the day in October is 11h and 57min.
On the first day of October in Batticaloa, sunrise is at 05:51 and sunset at 17:54. On the last day of the month, sunrise is at 05:51 and sunset at 17:42 +0530.

Sunshine

In Batticaloa, the average sunshine in October is 8.7h.

UV index

The months with the highest UV index are January through October, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In October, the maximum UV index of 7 translates into these guidelines:
Ward off overexposure. Defence against solar harm is crucial. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.