August weather forecast
Mahaiyawa, Sri Lanka

The last month of the summer, August, is also a moderately hot month in Mahaiyawa, Sri Lanka, with temperature in the range of an average low of 21.2°C (70.2°F) and an average high of 29.2°C (84.6°F).

Temperature

Mahaiyawa's entry into August measures an average high-temperature of a still warm 29.2°C (84.6°F), closely parallel to the preceding month. In August, Mahaiyawa's temperature tends to fall to an average low of 21.2°C (70.2°F) during the night.

Heat index

Throughout August, the heat index is estimated at a torrid 35°C (95°F). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.
When assessing, remember that heat index measurements are for light winds and shaded spots. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'apparent temperature' or 'feels like', offers an insight into how hot it feels when we factor in moisture content. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.
Evaporating sweat is a key way the human body dispels excessive warmth, all thanks to the process of perspiration. With higher relative humidity, the rate of evaporation is reduced, resulting in increased heat retention in the body compared to drier air. As body temperatures escalate without effective heat release, one might face dehydration threats.

Humidity

In August, the average relative humidity is 77%.

Rainfall

In Mahaiyawa, in August, during 25.8 rainfall days, 84mm (3.31") of precipitation is typically accumulated. Throughout the year, there are 278.4 rainfall days, and 1466mm (57.72") of precipitation is accumulated.

Daylight

The average length of the day in August in Mahaiyawa is 12h and 21min.
On the first day of August, sunrise is at 06:00 and sunset at 18:26. On the last day of the month, sunrise is at 05:59 and sunset at 18:15 +0530.

Sunshine

In August, the average sunshine is 8.7h.

UV index

The months with the highest UV index are January through September, November and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 6 during August translates into the following recommendations:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.