May weather forecast
Makilangamuwa, Sri Lanka

May, the last month of the spring in Makilangamuwa, is also a hot month, with an average temperature ranging between max 30.8°C (87.4°F) and min 26.4°C (79.5°F).

Temperature

In May, Makilangamuwa notes an average high-temperature of a still tropical 30.8°C (87.4°F), hardly different from the preceding month. The nights of May cool down to an average low of 26.4°C (79.5°F), subtly lower than daytime highs.

Heat index

The heat index in May is estimated at an extremely hot 40°C (104°F). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.
In the scope of the heat index, its values resonate with shade and light wind conditions. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.
In response to overheating, the human body perspires to cool down, mainly through the evaporation of sweat. When the air contains significant moisture, the efficiency of the evaporation process decreases, preventing the body from cooling down effectively and creating a feeling of overheating. When body temperature rises due to an imbalance in heat gain, there's a potential for dehydration and overheating.

Humidity

In May, the average relative humidity is 80%.

Rainfall

In Makilangamuwa, in May, during 26.3 rainfall days, 204mm (8.03") of precipitation is typically accumulated. In Makilangamuwa, during the entire year, the rain falls for 265.4 days and collects up to 1744mm (68.66") of precipitation.

Daylight

In Makilangamuwa, the average length of the day in May is 12h and 27min.
On the first day of the month, sunrise is at 05:55 and sunset at 18:18. On the last day of May, in Makilangamuwa, sunrise is at 05:52 and sunset at 18:23 +0530.

Sunshine

The average sunshine in May in Makilangamuwa is 8.8h.

UV index

May, June, August and October, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the ordinary person.
Note: In May, the UV index of 6 transforms into the following advice:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.