Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
August and September are characterised by lowest temperatures, with an average high of 28.3°C (82.9°F).Heat index
In August, the heat index is evaluated at a tropical 33°C (91.4°F). Implement additional safety measures to avoid heat cramps and heat exhaustion. Persistent activity might trigger heatstroke.Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.
Humidity
In August, the average relative humidity in Walahanduwa, Sri Lanka, is 81%.Rainfall
In August, the rain falls for 27.7 days. Throughout August, 235mm (9.25") of precipitation is accumulated. Throughout the year, there are 286.9 rainfall days, and 1974mm (77.72") of precipitation is accumulated.Daylight
The average length of the day in August is 12h and 19min.On the first day of the month, sunrise is at 06:03 and sunset at 18:26. On the last day of August, sunrise is at 06:02 and sunset at 18:16 +0530.
Sunshine
In Walahanduwa, the average sunshine in August is 8.1h.UV index
The months with the highest UV index in Walahanduwa, Sri Lanka, are January through April, June through August, October through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 7 during August translates into the following recommendations:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Frequently asked questions
What month is the coldest in Walahanduwa?
How hot does it get in Walahanduwa in August?
What is the average humidity in August in Walahanduwa?
How many days does it rain in August in Walahanduwa?
What is the average length of the day in August in Walahanduwa?
What time are sunrise and sunset in August in Walahanduwa?
How long on average sun shines in August in Walahanduwa?
What is the month with the highest UV index in Walahanduwa?
What is the UV index reading in August in Walahanduwa?
Average temperature in August
Walahanduwa, Sri Lanka
- Average high temperature in August: 28.3°C
The warmest months (with the highest average high temperature) are March and April (30.3°C).
The months with the lowest average high temperature are August and September (28.3°C).
- Average low temperature in August: 25.9°C
The month with the highest average low temperature is May (26.7°C).
The coldest month (with the lowest average low temperature) is January (24°C).
Average pressure in August
Walahanduwa, Sri Lanka
- Average pressure in August: 1009.6mbar
The month with the highest atmospheric pressure is January (1011.4mbar).
The month with the lowest atmospheric pressure is May (1008.9mbar).
Average wind speed in August
Walahanduwa, Sri Lanka
- Average wind speed in August: 19.5km/h
The windiest month (with the highest average wind speed) is June (20.2km/h).
The calmest month (with the lowest average wind speed) is January (7.8km/h).
Average humidity in August
Walahanduwa, Sri Lanka
- Average humidity in August: 81%
The months with the highest relative humidity are June and September (82%).
The months with the lowest relative humidity are February and March (77%).
Average rainfall in August
Walahanduwa, Sri Lanka
- Average rainfall in August: 235mm
The wettest month (with the highest rainfall) is May (302mm).
The driest month (with the least rainfall) is January (38mm).
Average rainfall days in August
Walahanduwa, Sri Lanka
- Average rainfall days in August: 27.7 days
The month with the highest number of rainy days is June (28 days).
The month with the least rainy days is January (14.8 days).
Average daylight in August /
Average sunshine in August
Walahanduwa, Sri Lanka
- Average daylight in August: 12h and 2min
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 48min).
- Average sunshine in August: 8h and 1min
The month with the most sunshine is April (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in August
Walahanduwa, Sri Lanka
- Average sunshine days in August: 2.3 days
The month with the most sunshine days is January (12.8 days).
The month with the least sunshine days is June (1 days).
Average UV index in August
Walahanduwa, Sri Lanka
- Average UV index in August: 7
The months with the highest UV index are January, February, March, April, June, July, August, October, November and December (UV index 7).
The months with the lowest UV index are May and September (UV index 6).
Average cloud cover in August
Walahanduwa, Sri Lanka
- Average cloud cover in August: 49
The month with the most cloud cover is June (Cloud cover 51).
The month with the least cloud cover is February (Cloud cover 26).
Average visibility in August
Walahanduwa, Sri Lanka
- Average visibility in August: 9km
The months with the highest visibility are January, February, March, April, June and December (10km).
The months with the lowest visibility are May, July, August, September, October and November (9km).
Walahanduwa, Sri Lanka
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