October weather forecast
Polonnaruwa, Sri Lanka

As the last quarter of the year unfolds, October achieves the record for the highest average rainfall in Polonnaruwa, with precipitation peaking at 214mm (8.43"). The increased rainfall and slightly cooler temperatures offer relief from the consistent warmth of the previous months. The transition into the rainiest phase of the year paves the way for similar weather conditions in November.

Temperature

Upon the onset of October, Polonnaruwa witnesses an average high-temperature of a still tropical 32.7°C (90.9°F), showing a close resemblance to the prior month. Polonnaruwa registers a consistent average low-temperature of 23.2°C (73.8°F) during October.

Heat index

October's heat index is computed to be a life-threatening hot 45°C (113°F). Take caution: Heat exhaustion and heat cramps are probable. Heatstroke may be imminent with ongoing effort.
In terms of the heat index, values are set with light wind and shade conditions in mind. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', determines the feeling of heat when you account for the relative humidity. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring 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 an abundance of moisture present in the air, the process of evaporation becomes less effective, and the body fails to cool down as it should, leading to the sensation of overheating. As body temperatures escalate without effective heat release, one might face dehydration threats.

Humidity

In Polonnaruwa, Sri Lanka, the average relative humidity in October is 75%.

Rainfall

The month with the most rainfall is October, when the rain falls for 22.6 days and typically aggregates up to 214mm (8.43") of precipitation.

Daylight

In October, the average length of the day in Polonnaruwa is 11h and 57min.
On the first day of October, sunrise is at 05:54 and sunset at 17:57. On the last day of the month, sunrise is at 05:54 and sunset at 17:45 +0530.

Sunshine

The average sunshine in October in Polonnaruwa is 8.3h.

UV index

February through October, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the average person.
Note: In October, a daily maximum UV index of 7 leads to the following instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Boost your sun resistance with garments that are densely woven yet spacious.