May weather forecast
Pallimulla, Sri Lanka

The last month of the spring, May, is also a hot month in Pallimulla, Sri Lanka, with an average temperature ranging between max 30.2°C (86.4°F) and min 26.3°C (79.3°F).

Temperature

The advent of May brings an average high-temperature of a still tropical 30.2°C (86.4°F), almost identical to the preceding month. Pallimulla, during May nights, records a temperature marginally cooler than the daytime average, at a warm 26.3°C (79.3°F).

Heat index

The heat index in May is computed to be a sweltering 39°C (102.2°F). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.
Given the heat index, its values are aligned with shaded sites and gentle winds. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
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. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
The body's innate mechanism to counteract overheating is through perspiration, as it leverages the cooling effects of sweat evaporation. When relative humidity is at high levels, the evaporation rate lessens, causing the body to keep more heat than it would in less humid conditions. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.

Humidity

In Pallimulla, Sri Lanka, the average relative humidity in May is 81%.

Rainfall

In May, the rain falls for 28 days. Throughout May, 303mm (11.93") of precipitation is accumulated. Throughout the year, in Pallimulla, Sri Lanka, there are 273.8 rainfall days, and 2059mm (81.06") of precipitation is accumulated.

Daylight

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

Sunshine

The average sunshine in May is 8.7h.

UV index

The months with the lowest UV index in Pallimulla are May, June and August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: In May, the average maximum UV index of 6 translates into the following recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.