May weather forecast
Kahapola, Sri Lanka

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

Temperature

The commencement of May records an average high-temperature of a still hot 30.2°C (86.4°F), barely varying from April's 31.3°C (88.3°F). Kahapola, in the month of May, notes an average low temperature of 26.3°C (79.3°F), indicating a small decrease from the daytime highs.

Heat index

The average heat index in May is appraised at a sweltering 39°C (102.2°F). Adopt extra preventive measures, the occurrence of heat cramps and heat exhaustion is likely. Heatstroke may follow extended activity.
Know that the heat index computations account for shaded terrains and slight winds. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
Perspiration, which is the evaporation of sweat, is a primary way the human body manages and dispels excessive warmth. 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. Overheating and potential dehydration arise when body heat gain eclipses its release capability.

Humidity

The average relative humidity in May is 81%.

Rainfall

In Kahapola, during May, the rain falls for 28 days and regularly aggregates up to 303mm (11.93") of precipitation. Throughout the year, there are 273.8 rainfall days, and 2059mm (81.06") 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 18:22 +0530.

Sunshine

The average sunshine in May is 8.7h.

UV index

May, June and August, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In May, the maximum UV index of 6 suggests this advice:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.