May weather forecast
Welisara, Sri Lanka

The last month of the spring, May, is another hot month in Welisara, Sri Lanka, with an average temperature ranging between max 30.6°C (87.1°F) and min 26.3°C (79.3°F).

Temperature

May's arrival brings an average high-temperature of a still tropical 30.6°C (87.1°F), demonstrating subtle variation from the preceding month. During the month of May, Welisara identifies an average nighttime low-temperature of 26.3°C (79.3°F), slightly lower than its daytime counterpart.

Heat index

The heat index in May is computed to be a blisteringly hot 40°C (104°F). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in 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 'felt air temperature' or 'real feel', evaluates the perceived heat by adding the effect of moisture in the air. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
The process of perspiration is vital for the human body to get rid of excess warmth by allowing sweat to evaporate. When air moisture content is high, the cooling process through evaporation is not as efficient, leading to an ineffective body cooling process and a feeling of overheating. Excessive heat that's not properly managed leads to increased body temperatures and resultant health issues.

Humidity

The average relative humidity in May in Welisara is 81%.

Rainfall

In May, the rain falls for 28.8 days. Throughout May, 306mm (12.05") of precipitation is accumulated. Throughout the year, there are 289.4 rainfall days, and 2262mm (89.06") of precipitation is accumulated.

Daylight

The average length of the day in May is 12h and 26min.
On the first day of May, 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 18:23 +0530.

Sunshine

The average sunshine in May in Welisara is 8.6h.

UV index

May, June, August and October, with an average maximum UV index of 6, are months with the lowest UV index in Welisara. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The UV index of 6 during May leads to these advisories:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.