August weather forecast
Kelaniya, Sri Lanka

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Weather in August

The last month of the summer, August, is also a moderately hot month in Kelaniya, Sri Lanka, with temperature in the range of an average high of 28.9°C (84°F) and an average low of 25.2°C (77.4°F).

Temperature

In Kelaniya, the coldest period comes during July and August, when the average high-temperature touches 28.9°C (84°F).

Heat index

The average heat index in August is calculated to be a torrid 35°C (95°F). Ensure extra safety measures, heat exhaustion and heat cramps are likely. Continuous activity might result in heatstroke.
Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is the outcome of merging air's temperature and its humidity metrics. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. 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.
Sweat evaporation, driven by perspiration, is the method the human body uses to rid itself of excessive warmth. Under conditions of high relative humidity, the rate of evaporation decreases. This results in the body retaining more heat than under conditions of dry air. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.

Humidity

June through August, with an average relative humidity of 83%, are the most humid months.

Rainfall

In August, the rain falls for 30.2 days. Throughout August, 287mm (11.3") of precipitation is accumulated. Throughout the year, there are 289.4 rainfall days, and 2262mm (89.06") of precipitation is accumulated.

Daylight

The average length of the day in August is 12h and 20min.
On the first day of August, sunrise is at 06:04 and sunset at 18:29. On the last day of the month, sunrise is at 06:02 and sunset at 18:18 +0530.

Sunshine

The average sunshine in August is 7h.

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 reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the average person.
Note: A maximum high daily UV index of 6 during August translates into the following directions:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.
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Frequently asked questions

What part of the year is the coldest in Kelaniya?

The lowest level of Kelaniya's temperatures is noted during July and August, averaging a high-temperature of 28.9°C (84°F).

How hot does it get in Kelaniya in August?

In August, the average high-temperature and low-temperature are 28.9°C (84°F) and 25.2°C (77.4°F) respectively. In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, is calculated to be 35°C (95°F).

What are the most humid months in Kelaniya?

The months with the highest humidity in Kelaniya are June through August, with an average relative humidity of 83%.

What is the average humidity in August in Kelaniya?

In Kelaniya, Sri Lanka, the average relative humidity in August is 83%.

How much does it rain in Kelaniya in August?

In Kelaniya, Sri Lanka, during August, the rain falls for 30.2 days and regularly aggregates up to 287mm (11.3") of precipitation.

What is the average length of the day in August in Kelaniya?

In August, the average day length in Kelaniya is 12h and 20min.

What time are sunrise and sunset in August in Kelaniya?

On the first day of August in Kelaniya, sunrise is at 06:04 and sunset at 18:29. On the last day of the month, sunrise is at 06:02 and sunset at 18:18 +0530.

How many hours of sunshine does Kelaniya have in August?

In Kelaniya, the average sunshine duration in August is 7h.

When is the lowest UV index in Kelaniya?

The months with the lowest UV index in Kelaniya are May, June, August and October, with an average maximum UV index of 6.

What is the UV index reading in August in Kelaniya?

The average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from exposure to the Sun's UV radiation.

Average temperature in August
Kelaniya, Sri Lanka

Average temperature in August - Kelaniya, Sri Lanka
  • Average high temperature in August: 28.9°C

The warmest months (with the highest average high temperature) are March and April (31.8°C).
The months with the lowest average high temperature are July and August (28.9°C).

  • Average low temperature in August: 25.2°C

The month with the highest average low temperature is May (26.3°C).
The coldest month (with the lowest average low temperature) is January (23.1°C).

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Average pressure in August
Kelaniya, Sri Lanka

Average pressure in August - Kelaniya, 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).

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Average wind speed in August
Kelaniya, Sri Lanka

Average wind speed in August - Kelaniya, Sri Lanka
  • Average wind speed in August: 14.2km/h

The windiest month (with the highest average wind speed) is June (15.1km/h).
The calmest month (with the lowest average wind speed) is March (8km/h).

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Average humidity in August
Kelaniya, Sri Lanka

Average humidity in August - Kelaniya, Sri Lanka
  • Average humidity in August: 83%

The months with the highest relative humidity are June, July and August (83%).
The months with the lowest relative humidity are January and February (74%).

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Average rainfall in August
Kelaniya, Sri Lanka

Average rainfall in August - Kelaniya, Sri Lanka
  • Average rainfall in August: 287mm

The wettest month (with the highest rainfall) is June (341mm).
The driest month (with the least rainfall) is January (40mm).

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Average rainfall days in August
Kelaniya, Sri Lanka

Average rainfall days in August - Kelaniya, Sri Lanka
  • Average rainfall days in August: 30.2 days

The month with the highest number of rainy days is August (30.2 days).
The month with the least rainy days is January (11.6 days).

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Average daylight in August /
Average sunshine in August
Kelaniya, Sri Lanka

Average daylight in August / Average sunshine in August - Kelaniya, 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 42min).

  • Average sunshine in August: 7h and 0min

The month with the most sunshine is January (Average sunshine: 9h and 6min).
The month with the least sunshine is November (Average sunshine: 6h and 42min).

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Average sunshine days in August
Kelaniya, Sri Lanka

Average sunshine days in August - Kelaniya, Sri Lanka
  • Average sunshine days in August: 0.3 days

The month with the most sunshine days is January (17.2 days).
The months with the least sunshine days are June and August (0.3 days).

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Average UV index in August
Kelaniya, Sri Lanka

Average UV index in August - Kelaniya, 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).

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Average cloud cover in August
Kelaniya, Sri Lanka

Average cloud cover in August - Kelaniya, Sri Lanka
  • Average cloud cover in August: 56

The month with the most cloud cover is June (Cloud cover 57).
The month with the least cloud cover is January (Cloud cover 24).

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Average visibility in August
Kelaniya, Sri Lanka

Average visibility in August - Kelaniya, Sri Lanka
  • Average visibility in August: 9km

The months with the highest visibility are January, February, March, April and December (10km).
The months with the lowest visibility are May, June, July, August, September, October and November (9km).

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Kelaniya, Sri Lanka

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