October weather forecast
Katuwapitiya, Sri Lanka

October, like September, in Katuwapitiya, Sri Lanka, is a moderately hot autumn month, with an average temperature ranging between max 29.9°C (85.8°F) and min 25.1°C (77.2°F).

Temperature

Katuwapitiya's weather in October, with an average high-temperature of a still moderately hot 29.9°C (85.8°F), subtly shifts from September's 29.5°C (85.1°F). The temperature in Katuwapitiya during October nights demonstrates a small drop from the daytime highs, settling to an average of 25.1°C (77.2°F).

Heat index

During October, the heat index is appraised at a very hot 37°C (98.6°F). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', combines both the air temperature and the humidity level to give a perceived human temperature. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. When air moisture content is high, the cooling process through evaporation is not as efficient, leading to an ineffective body cooling process and a feeling of overheating. Excessive heat gain, when not shed effectively by the body, can result in increasing body temperatures and related hazards.

Humidity

The average relative humidity in October is 79%.

Rainfall

In October, the rain falls for 25.9 days. Throughout October, 224mm (8.82") of precipitation is accumulated. Throughout the year, in Katuwapitiya, there are 265.4 rainfall days, and 1744mm (68.66") of precipitation is accumulated.

Daylight

In Katuwapitiya, the average length of the day in October is 11h and 58min.
On the first day of October in Katuwapitiya, sunrise is at 05:58 and sunset at 18:01. On the last day of the month, sunrise is at 05:57 and sunset at 17:50 +0530.

Sunshine

The average sunshine in October is 7.8h.

UV index

The months with the lowest UV index are May, June, August and October, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: In October, the maximum UV index of 6 transforms into these recommendations:
Guard oneself from overexposure. Defence against sun injury is vital. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.