May weather forecast
Punanai, Sri Lanka

May, the last month of the spring in Punanai, is another hot month, with temperature in the range of an average low of 26.6°C (79.9°F) and an average high of 32.7°C (90.9°F).

Temperature

As Punanai welcomes May, the average high-temperature records at a still tropical 32.7°C (90.9°F), marking an insignificant deviation from the prior month. An average nighttime temperature of 26.6°C (79.9°F) is witnessed throughout May.

Heat index

May's mean heat index is appraised at a blistering 44°C (111.2°F). Prudent: Heat cramps and heat exhaustion are likely. Heatstroke becomes imminent with sustained exertion.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', arises from combining readings of air temperature and relative moisture content. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. Increased relative humidity interferes with body cooling by slowing the rate of evaporation, resulting in a slower body cooling rate and a heightened feeling of heat. Rising body temperatures due to excess heat retention could signify impending heat disorders.

Humidity

In May, the average relative humidity is 74%.

Rainfall

In Punanai, Sri Lanka, during May, the rain falls for 20.7 days and regularly aggregates up to 79mm (3.11") of precipitation. Throughout the year, in Punanai, there are 237.8 rainfall days, and 1259mm (49.57") of precipitation is accumulated.

Daylight

The average length of the day in May in Punanai is 12h and 29min.
On the first day of the month, sunrise is at 05:49 and sunset at 18:13. On the last day of May, sunrise is at 05:45 and sunset at 18:18 +0530.

Sunshine

In Punanai, Sri Lanka, the average sunshine in May is 11.6h.

UV index

January through October, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In May, the average maximum UV index of 7 translates into the following recommendations:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.