August weather forecast
Delduwa, Sri Lanka

August

Weather in August

The last month of the summer, August, is also a moderately hot month in Delduwa, Sri Lanka, with an average temperature varying between 28.3°C (82.9°F) and 25.9°C (78.6°F).

Temperature

August and September are the coldest months, with an average high-temperature of 28.3°C (82.9°F).

Heat index

The heat index for August is estimated at a hot 33°C (91.4°F). Implement more preventive measures, heat cramps and heat exhaustion are probable. Heatstroke might result from extended activity.
Realize that the values for the heat index are set for shaded places and light winds. In the presence of direct sunshine, the heat index could be augmented 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. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. 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 especially crucial for babies and toddlers. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.

Humidity

In Delduwa, the average relative humidity in August is 81%.

Rainfall

In Delduwa, in August, during 27.7 rainfall days, 235mm (9.25") of precipitation is typically accumulated. In Delduwa, during the entire year, the rain falls for 286.9 days and collects up to 1974mm (77.72") of precipitation.

Daylight

The average length of the day in August in Delduwa is 12h and 19min.
On the first day of the month, sunrise is at 06:04 and sunset at 18:27. On the last day of August, sunrise is at 06:02 and sunset at 18:17 +0530.

Sunshine

In Delduwa, Sri Lanka, the average sunshine in August is 8.1h.

UV index

January through April, June through August, October through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In August, an average UV index of 7 transforms into the following instructions:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.

Frequently asked questions

What time of the year is the coldest?
During August and September, Delduwa registers its lowest temperatures, averaging a high of 28.3°C (82.9°F).
How hot is it in August?
In Delduwa, in August, the average high-temperature is 28.3°C (82.9°F), and the average low-temperature is 25.9°C (78.6°F). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, in August is estimated at 33°C (91.4°F).
What is the average humidity in August?
The average relative humidity in August is 81%.
How much does it rain in August?
In Delduwa, in August, during 27.7 rainfall days, 235mm (9.25") of precipitation is typically accumulated.
What is the average length of the day in August?
In August, the average day length is 12h and 19min.
What time are sunrise and sunset in August?
In August, on the first day of the month, sunrise is at 06:04 and sunset at 18:27. On the last day of the month, sunrise is at 06:02 and sunset at 18:17 +0530.
How long on average sun shines in August?
The average sunshine duration in August is 8.1h.
When is the highest UV index in Delduwa?
The months with the highest UV index are January through April, June through August, October through December, with an average maximum UV index of 7.
What is the UV index intensity in August?
In Delduwa, the average daily maximum UV index in August is 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in August
Delduwa, 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
Delduwa, 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
Delduwa, 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
Delduwa, 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
Delduwa, 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
Delduwa, 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
Delduwa, 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
Delduwa, 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
Delduwa, 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
Delduwa, 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
Delduwa, 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).

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