May weather forecast
Ilavalai, Sri Lanka

The last month of the spring, May, is also a hot month in Ilavalai, Sri Lanka, with temperature in the range of an average high of 30.7°C (87.3°F) and an average low of 29°C (84.2°F).

Temperature

May, recording an average high temperature of 30.7°C (87.3°F) and a low temperature of 29°C (84.2°F), is Ilavalai's warmest month.

Heat index

The heat index for May is appraised at a scorching 40°C (104°F). Greater preventive actions are needed, heat exhaustion and heat cramps are likely. Persistent activity could provoke heatstroke.
Heat index specifics point out values are for conditions of shade and a slight breeze. 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', gauges the sensation of temperature factoring in the air's moisture content. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
Evaporating sweat, an outcome of perspiration, is key in assisting the human body to moderate its temperature. When there is abundant moisture in the air, the body's cooling through the evaporation process becomes less effective, leading to the sensation of overheating. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.

Humidity

The months with the highest humidity are May and September, with an average relative humidity of 79%.

Rainfall

In May, the rain falls for 10.3 days. Throughout May, 48mm (1.89") of precipitation is accumulated. In Ilavalai, during the entire year, the rain falls for 189.6 days and collects up to 1106mm (43.54") of precipitation.

Daylight

In May, the average length of the day is 12h and 34min.
On the first day of the month, sunrise is at 05:52 and sunset at 18:21. On the last day of May, sunrise is at 05:48 and sunset at 18:27 +0530.

Sunshine

The months with the most sunshine in Ilavalai are May and June, with an average of 11.6h of sunshine.

UV index

The months with the highest UV index are January through September and December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: In May, a regular UV index of 7 translates into these guidelines:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.