May weather forecast
Kirimetiya, Sri Lanka

May, the last month of the spring in Kirimetiya, is another hot month, with an average temperature varying between 30.1°C (86.2°F) and 21.8°C (71.2°F).

Temperature

The onset of May marks an average high-temperature of a still tropical 30.1°C (86.2°F), hardly differing from April's 31.2°C (88.2°F). An average low-temperature of 21.8°C (71.2°F) is anticipated throughout the nights in Kirimetiya during May.

Heat index

May's average heat index is computed to be a fiery hot 38°C (100.4°F). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.
The heat index's values are generally associated with conditions in shade and light breezes. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', reflects the blend of air temperature and relative humidity to give a temperature impression. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. In situations of high air temperature combined with high humidity (significant heat index), the body's ability to perspire is reduced, heightening the sense of warmth. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.

Humidity

In Kirimetiya, the average relative humidity in May is 80%.

Rainfall

In Kirimetiya, during May, the rain falls for 28.6 days and regularly aggregates up to 163mm (6.42") of precipitation. In Kirimetiya, Sri Lanka, during the entire year, the rain falls for 278.4 days and collects up to 1466mm (57.72") of precipitation.

Daylight

In May, the average length of the day is 12h and 28min.
On the first day of May, sunrise is at 05:52 and sunset at 18:15. On the last day of the month, sunrise is at 05:49 and sunset at 18:20 +0530.

Sunshine

The average sunshine in May is 10.4h.

UV index

The months with the highest UV index in Kirimetiya, Sri Lanka, are January through September, November and December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: In May, a regular UV index of 6 translates into these guidelines:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. 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. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.