May weather forecast
Vellankulam, Sri Lanka

The last month of the spring, May, is also a hot month in Vellankulam, Sri Lanka, with an average temperature ranging between max 31.2°C (88.2°F) and min 28.1°C (82.6°F).

Temperature

The onset of May marks an average high-temperature of a still hot 31.2°C (88.2°F), hardly differing from April's 31.4°C (88.5°F). Vellankulam's temperature during May nights registers a minor decrease to an average low of 28.1°C (82.6°F).

Heat index

In May, the average heat index is computed to be an extremely hot 40°C (104°F). Special measures are necessary to avoid heat cramps and heat exhaustion. Persistent activity could result in heatstroke.
Data suggests that the heat index is set for environments in shade and with a light wind. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is an aggregate value of air's warmth and moisture to show the human-felt temperature. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
Perspiration is the body's default response to elevated temperatures, as it promotes the evaporation of sweat to achieve cooling. During high air temperature and humidity (high heat index), the process of perspiration is hindered, intensifying the sensation of heat. Rising body temperatures resulting from an imbalance in heat absorption can lead to potential thermal issues.

Humidity

The average relative humidity in May in Vellankulam is 77%.

Rainfall

In May, the rain falls for 13.2 days. Throughout May, 51mm (2.01") of precipitation is accumulated. Throughout the year, in Vellankulam, Sri Lanka, there are 181.2 rainfall days, and 849mm (33.43") of precipitation is accumulated.

Daylight

The average length of the day in May is 12h and 33min.
On the first day of May, sunrise is at 05:52 and sunset at 18:20. On the last day of the month, sunrise is at 05:48 and sunset at 18:25 +0530.

Sunshine

In May, the average sunshine in Vellankulam is 11.2h.

UV index

The months with the highest UV index in Vellankulam are January through October and December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: In May, a daily UV index of 7 turns into the following recommendations:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.