August weather forecastRanwala, Sri Lanka
August
Weather in August
August, the last month of the summer in Ranwala, is also a moderately hot month, with temperature in the range of an average low of 20.8°C (69.4°F) and an average high of 27.5°C (81.5°F).Temperature
The advent of August signifies a minor shift to an average high-temperature of a still moderately hot 27.5°C (81.5°F), aligning closely with July. The temperature dips to an average of 20.8°C (69.4°F) during August nights.Heat index
August's heat index is computed to be a hot 32°C (89.6°F). Long-standing exposure coupled with ongoing activity could result in exhaustion, possibly causing heat cramps.Heat index guidelines indicate values are for light wind scenarios and shaded regions. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', reflects the feeling of heat when considering both air temperature and humidity. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
Humidity
In Ranwala, Sri Lanka, the average relative humidity in August is 86%.Rainfall
In Ranwala, in August, during 28.8 rainfall days, 184mm (7.24") of precipitation is typically accumulated. Throughout the year, in Ranwala, there are 317.7 rainfall days, and 2467mm (97.13") of precipitation is accumulated.Daylight
The average length of the day in August is 12h and 20min.On the first day of the month, sunrise is at 06:03 and sunset at 18:28. On the last day of August, in Ranwala, sunrise is at 06:01 and sunset at 18:17 +0530.
Sunshine
In Ranwala, Sri Lanka, the average sunshine in August is 6.2h.UV index
The months with the highest UV index are January through August, November and December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 6 during August translates into the following recommendations:
Ward off overexposure. Defence against solar harm is crucial. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Ranwala, Sri Lanka
- Average high temperature in August: 27.5°C
The warmest month (with the highest average high temperature) is March (31.1°C).
The months with the lowest average high temperature are June and July (27.3°C).
- Average low temperature in August: 20.8°C
The months with the highest average low temperature are May and June (21.8°C).
The coldest month (with the lowest average low temperature) is February (18.7°C).
Average pressure in August
Ranwala, Sri Lanka
- Average pressure in August: 1009.1mbar
The month with the highest atmospheric pressure is January (1011.6mbar).
The month with the lowest atmospheric pressure is May (1008.6mbar).
Average wind speed in August
Ranwala, Sri Lanka
- Average wind speed in August: 8.4km/h
The windiest month (with the highest average wind speed) is July (8.8km/h).
The calmest months (with the lowest average wind speed) are February and March (3.9km/h).
Average humidity in August
Ranwala, Sri Lanka
- Average humidity in August: 86%
The months with the highest relative humidity are May and June (88%).
The months with the lowest relative humidity are January and February (80%).
Average rainfall in August
Ranwala, Sri Lanka
- Average rainfall in August: 184mm
The wettest month (with the highest rainfall) is October (357mm).
The driest month (with the least rainfall) is January (85mm).
Average rainfall days in August
Ranwala, Sri Lanka
- Average rainfall days in August: 28.8 days
The month with the highest number of rainy days is May (29.8 days).
The month with the least rainy days is January (18.9 days).
Average daylight in August /
Average sunshine in August
Ranwala, Sri Lanka
- Average daylight in August: 12h and 18min
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: 6h and 12min
The month with the most sunshine is April (Average sunshine: 8h and 24min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in August
Ranwala, Sri Lanka
- Average sunshine days in August: 0.8 days
The month with the most sunshine days is January (9.2 days).
The month with the least sunshine days is April (0.2 days).
Average UV index in August
Ranwala, Sri Lanka
- Average UV index in August: 6
The months with the highest UV index are January, February, March, April, May, June, July, August, November and December (UV index 6).
The months with the lowest UV index are September and October (UV index 5).
Average cloud cover in August
Ranwala, Sri Lanka
- Average cloud cover in August: 63
The month with the most cloud cover is June (Cloud cover 65).
The month with the least cloud cover is January (Cloud cover 33).
Average visibility in August
Ranwala, Sri Lanka
- Average visibility in August: 8km
The months with the highest visibility are January, February, March, June, July, August and December (8km).
The months with the lowest visibility are April, May, September, October and November (7km).





