May weather forecast
Piliyandala, Sri Lanka

The last month of the spring, May, is also a hot month in Piliyandala, Sri Lanka, with an average temperature fluctuating between 30.3°C (86.5°F) and 26.4°C (79.5°F).

Temperature

Piliyandala's average high-temperature in May is a still hot 30.3°C (86.5°F), indicating a subtle variation from April. May's average low-temperature is a warm 26.4°C (79.5°F), reflecting a minor difference from the day's peak temperatures.

Heat index

The heat index value for May is evaluated at a torrid 39°C (102.2°F). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.
Understand that the heat index values take into account shaded locations and mild winds. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'feels like', comes about by integrating the temperature readings with the humidity levels. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.
Perspiration, which is the evaporation of sweat, is a primary way the human body manages and dispels excessive warmth. When relative humidity is on the rise, it curtails evaporation, thereby reducing the heat elimination from the body and causing the feeling of being excessively hot. Potential thermal conditions emerge as the body's heat gain outpaces its cooling mechanisms.

Humidity

The average relative humidity in May is 81%.

Rainfall

In Piliyandala, in May, it is raining for 27.1 days, with typically 279mm (10.98") of accumulated precipitation. In Piliyandala, during the entire year, the rain falls for 272.3 days and collects up to 2039mm (80.28") of precipitation.

Daylight

In May, the average length of the day is 12h and 26min.
On the first day of the month, sunrise is at 05:56 and sunset at 18:18. On the last day of May, in Piliyandala, sunrise is at 05:53 and sunset at 18:22 +0530.

Sunshine

In Piliyandala, Sri Lanka, the average sunshine in May is 8.7h.

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 reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 6 in May transforms into the following instructions:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Always opt for UVA and UVB-resistant sunglasses on radiant days.