October weather forecast
Valaichchenai, Sri Lanka

October, the same as September, in Valaichchenai, Sri Lanka, is a hot autumn month, with an average temperature fluctuating between 31°C (87.8°F) and 25.1°C (77.2°F).

Temperature

October's commencement is accompanied by an average high-temperature of a still tropical 31°C (87.8°F), diverging marginally from September's 31.8°C (89.2°F). Valaichchenai records a consistent low-temperature of 25.1°C (77.2°F) during October nights.

Heat index

October's average heat index is estimated at an extremely hot 40°C (104°F). Use additional protective measures, heat cramps and heat exhaustion are possible outcomes. Continuous activity might lead to heatstroke.
One should consider that heat index numbers are for shaded settings and light wind. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', provides an understanding of perceived warmth by combining temperature and relative humidity. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
Perspiring is a crucial mechanism for the human body, allowing it to release excessive warmth through evaporating sweat. Under conditions of high temperature and humidity (enhanced heat index), sweat production is compromised, exacerbating the sensation of warmth. Increasing body temperatures can be a precursor to dehydration if the body can't shed the extra heat.

Humidity

The average relative humidity in October in Valaichchenai, Sri Lanka, is 76%.

Rainfall

In October, in Valaichchenai, the rain falls for 25.5 days. Throughout October, 177mm (6.97") of precipitation is accumulated. Throughout the year, in Valaichchenai, there are 237.8 rainfall days, and 1259mm (49.57") of precipitation is accumulated.

Daylight

In October, the average length of the day in Valaichchenai, Sri Lanka, is 11h and 57min.
On the first day of the month, sunrise is at 05:51 and sunset at 17:55. On the last day of October, sunrise is at 05:52 and sunset at 17:42 +0530.

Sunshine

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

UV index

The months with the highest UV index in Valaichchenai are January through October, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: In October, a daily UV index of 7 turns into the following recommendations:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.