October weather forecast
Weerawila, Sri Lanka

October, the same as September, in Weerawila, Sri Lanka, is another hot autumn month, with an average temperature varying between 30°C (86°F) and 25.9°C (78.6°F).

Temperature

Weerawila, Sri Lanka, experiences a subtle adjustment in high-temperatures to a still tropical 30°C (86°F) with the onset of October, maintaining near parity with September's 30.1°C (86.2°F). Weerawila observes a consistent average low-temperature of 25.9°C (78.6°F) throughout October nights.

Heat index

Throughout October, the heat index is evaluated at a very hot 37°C (98.6°F). Undertake extra safety actions, heat cramps and heat exhaustion are expected. Heatstroke may result from lengthy activity.
Remember that heat index calculations are made for conditions in the shade with light wind. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are particularly relevant to children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.

Humidity

In October, the average relative humidity in Weerawila is 77%.

Rainfall

In October, in Weerawila, the rain falls for 22.5 days. Throughout October, 180mm (7.09") of precipitation is accumulated. In Weerawila, during the entire year, the rain falls for 192.9 days and collects up to 942mm (37.09") of precipitation.

Daylight

The average length of the day in October is 11h and 59min.
On the first day of the month, sunrise is at 05:52 and sunset at 17:56. On the last day of October, sunrise is at 05:51 and sunset at 17:45 +0530.

Sunshine

The average sunshine in October is 8.5h.

UV index

The month with the lowest UV index is October, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum UV index of 6 during October leads to these instructions:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.