May weather forecast
Kumarakattuwa, Sri Lanka

The last month of the spring, May, is another hot month in Kumarakattuwa, Sri Lanka, with an average temperature fluctuating between 31.3°C (88.3°F) and 27.4°C (81.3°F).

Temperature

Kumarakattuwa, Sri Lanka, starts May with an average high-temperature of a still tropical 31.3°C (88.3°F), a minor shift from April's 31.9°C (89.4°F). May nights cool to an average low-temperature of 27.4°C (81.3°F), a marginal decrease from its daytime equivalent.

Heat index

For May, the heat index is calculated to be a blistering 41°C (105.8°F). Implement enhanced safety actions, heat cramps and heat exhaustion could occur. Sustained activity might result in heatstroke.
Be informed that the heat index values are oriented around shady conditions and gentle breezes. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', reflects the blend of air temperature and relative humidity to give a temperature impression. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. 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 hold great significance to children. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
The primary way humans combat excessive warmth is by perspiring, letting sweat evaporate and cool the body. In circumstances of high air temperature and humidity (high heat index), the body's perspiration is restricted, heightening the feeling of warmth. Heat-related disorders may develop if heat gain in the body overshadows its cooling capacity, leading to elevated temperatures.

Humidity

In Kumarakattuwa, the average relative humidity in May is 78%.

Rainfall

In Kumarakattuwa, in May, during 19.8 rainfall days, 88mm (3.46") of precipitation is typically accumulated. In Kumarakattuwa, during the entire year, the rain falls for 221.7 days and collects up to 1071mm (42.17") of precipitation.

Daylight

The average length of the day in May is 12h and 28min.
On the first day of May in Kumarakattuwa, sunrise is at 05:55 and sunset at 18:19. On the last day of the month, sunrise is at 05:52 and sunset at 18:24 +0530.

Sunshine

The average sunshine in May is 9.7h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index in Kumarakattuwa. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Kumarakattuwa, Sri Lanka. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In May, the maximum UV index of 7 translates into these guidelines:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.