August weather forecastPeriyamulla, Sri Lanka
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Periyamulla, Sri Lanka, with temperature in the range of an average high of 29.3°C (84.7°F) and an average low of 25.4°C (77.7°F).Temperature
The transition into August reveals an average high-temperature of a still warm 29.3°C (84.7°F), mirroring a close resemblance to July. The month of August shows a minor drop from daytime temperatures, generally recording a low average of 25.4°C (77.7°F).Heat index
For most parts of August, the heat index is estimated at a sweltering 36°C (96.8°F). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', gives a temperature feeling by integrating air temperature and humidity. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
Evaporation of sweat is the main factor behind the cooling effect of perspiration in the human body. When relative humidity is heightened, it slows the rate of evaporation, thereby decreasing the body's ability to shed heat and creating a sensation of overheating. Accumulating more heat than the body can dissipate leads to an uptick in body temperature, with potential heat stress consequences.
Humidity
The months with the highest humidity in Periyamulla, Sri Lanka, are June through August, with an average relative humidity of 82%.Rainfall
In August, the rain falls for 28.4 days. Throughout August, 210mm (8.27") of precipitation is accumulated. In Periyamulla, during the entire year, the rain falls for 265.4 days and collects up to 1744mm (68.66") of precipitation.Daylight
In Periyamulla, Sri Lanka, the average length of the day in August is 12h and 21min.On the first day of the month, sunrise is at 06:04 and sunset at 18:29. On the last day of August, in Periyamulla, sunrise is at 06:03 and sunset at 18:18 +0530.
Sunshine
The average sunshine in August is 7.5h.UV index
May, June, August and October, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 6 in August translates into these instructions:
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. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Periyamulla, Sri Lanka
- Average high temperature in August: 29.3°C
The warmest month (with the highest average high temperature) is March (32.1°C).
The month with the lowest average high temperature is July (29.2°C).
- Average low temperature in August: 25.4°C
The month with the highest average low temperature is May (26.4°C).
The coldest month (with the lowest average low temperature) is January (22.8°C).
Average pressure in August
Periyamulla, Sri Lanka
- Average pressure in August: 1008.8mbar
The month with the highest atmospheric pressure is January (1011.7mbar).
The months with the lowest atmospheric pressure are May and June (1008.4mbar).
Average wind speed in August
Periyamulla, Sri Lanka
- Average wind speed in August: 17km/h
The windiest month (with the highest average wind speed) is June (18.3km/h).
The calmest month (with the lowest average wind speed) is March (9.1km/h).
Average humidity in August
Periyamulla, Sri Lanka
- Average humidity in August: 82%
The months with the highest relative humidity are June, July and August (82%).
The months with the lowest relative humidity are January and February (73%).
Average rainfall in August
Periyamulla, Sri Lanka
- Average rainfall in August: 210mm
The wettest month (with the highest rainfall) is June (231mm).
The driest month (with the least rainfall) is January (29mm).
Average rainfall days in August
Periyamulla, Sri Lanka
- Average rainfall days in August: 28.4 days
The month with the highest number of rainy days is August (28.4 days).
The month with the least rainy days is January (9.7 days).
Average daylight in August /
Average sunshine in August
Periyamulla, Sri Lanka
- Average daylight in August: 12h and 24min
The month with the longest days is June (Average daylight: 12h and 30min).
The month with the shortest days is December (Average daylight: 11h and 42min).
- Average sunshine in August: 7h and 30min
The months with the most sunshine are January, February, March and April (Average sunshine: 9h and 12min).
The month with the least sunshine is November (Average sunshine: 6h and 36min).
Average sunshine days in August
Periyamulla, Sri Lanka
- Average sunshine days in August: 1.2 days
The month with the most sunshine days is January (20 days).
The month with the least sunshine days is August (1.2 days).
Average UV index in August
Periyamulla, Sri Lanka
- Average UV index in August: 6
The months with the highest UV index are January, February, March, April, July, September, November and December (UV index 7).
The months with the lowest UV index are May, June, August and October (UV index 6).
Average cloud cover in August
Periyamulla, Sri Lanka
- Average cloud cover in August: 54
The month with the most cloud cover is June (Cloud cover 57).
The month with the least cloud cover is January (Cloud cover 21).
Average visibility in August
Periyamulla, Sri Lanka
- Average visibility in August: 9km
The months with the highest visibility are January, February, March, April, June, July, September and December (10km).
The months with the lowest visibility are May, August, October and November (9km).





