October weather forecast
Vellaveli, Sri Lanka

October, the same as September, in Vellaveli, Sri Lanka, is another hot autumn month, with an average temperature ranging between min 25.1°C (77.2°F) and max 31°C (87.8°F).

Temperature

October ushers in an average high-temperature of a still hot 31°C (87.8°F), aligning closely with the preceding month. October nights in Vellaveli cool down to an average low-temperature of 25.1°C (77.2°F).

Heat index

The average heat index in October is calculated to be a blisteringly hot 40°C (104°F). Undertake special precautions, the probability of heat exhaustion and heat cramps is high. Prolonged activity may provoke heatstroke.
Keep in mind the heat index values are meant for areas in shade and with light wind. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', gauges the sensation of temperature factoring in the air's moisture content. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold particular significance for children. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting 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. Increased relative humidity interferes with body cooling by slowing the rate of evaporation, resulting in a slower body cooling rate and a heightened feeling of heat. If the body retains more heat than it can expel, the increasing temperature can lead to heat-related conditions.

Humidity

In Vellaveli, the average relative humidity in October is 76%.

Rainfall

In Vellaveli, in October, during 25.5 rainfall days, 177mm (6.97") of precipitation is typically accumulated. Throughout the year, in Vellaveli, there are 237.8 rainfall days, and 1259mm (49.57") of precipitation is accumulated.

Daylight

The average length of the day in October in Vellaveli is 11h and 58min.
On the first day of October, sunrise is at 05:51 and sunset at 17:54. On the last day of the month, sunrise is at 05:50 and sunset at 17:42 +0530.

Sunshine

The average sunshine in October is 8.7h.

UV index

The months with the highest UV index in Vellaveli 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 average individuals.
Note: An average UV index of 7 in October transforms into this advice:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. 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. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.