August weather forecast
Rathkarawwa, Sri Lanka

The last month of the summer, August, is another tropical month in Rathkarawwa, Sri Lanka, with an average temperature varying between 26.3°C (79.3°F) and 30.4°C (86.7°F).

Temperature

The commencement of August introduces an average high-temperature of a still tropical 30.4°C (86.7°F), closely mirroring the preceding month. August nights document an average temperature reading of 26.3°C (79.3°F).

Heat index

For most parts of August, the heat index is evaluated at a very hot 37°C (98.6°F). Adopt special protective actions against heat exhaustion and heat cramps. Long-duration activity risks heatstroke.
In the scope of the heat index, its values resonate with shade and light wind conditions. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', represents the fusion of temperature and moisture in the air to suggest how warm it feels. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Sweat evaporation, driven by perspiration, is the method the human body uses to rid itself of 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. Excessive heat that's not properly managed leads to increased body temperatures and resultant health issues.

Humidity

In August, the average relative humidity is 75%.

Rainfall

In Rathkarawwa, in August, during 11 rainfall days, 30mm (1.18") of precipitation is typically accumulated. In Rathkarawwa, during the entire year, the rain falls for 192.9 days and collects up to 942mm (37.09") of precipitation.

Daylight

In August, the average length of the day in Rathkarawwa is 12h and 20min.
On the first day of the month, sunrise is at 06:00 and sunset at 18:25. On the last day of August, sunrise is at 05:59 and sunset at 18:14 +0530.

Sunshine

The average sunshine in August is 9.6h.

UV index

The months with the highest UV index in Rathkarawwa are January through September, November and December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.
Note: An average maximum UV index of 7 in August leads to these recommendations:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.