August weather forecast
Udahamulla, Sri Lanka

August

Weather in August

The last month of the summer, August, is another warm month in Udahamulla, Sri Lanka, with an average temperature varying between 25.2°C (77.4°F) and 28.9°C (84°F).

Temperature

July and August bring Udahamulla's lowest average temperatures, reaching a high of 28.9°C (84°F).

Heat index

During August, the heat index is estimated at a sweltering 35°C (95°F). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.
For clarity, heat index numbers account for light winds and areas under shade. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', embodies the combination of air temperature and moisture content to illustrate perceived heat. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
Perspiration and the resultant sweat evaporation are the body's natural thermostat, helping regulate temperature. Under conditions of increased relative humidity, the evaporation rate lessens, causing the body to retain more heat than under less humid conditions. Overheating and potential dehydration arise when body heat gain eclipses its release capability.

Humidity

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

Rainfall

In Udahamulla, in August, during 30.2 rainfall days, 287mm (11.3") of precipitation is typically accumulated. In Udahamulla, during the entire year, the rain falls for 289.4 days and collects up to 2262mm (89.06") of precipitation.

Daylight

In Udahamulla, the average length of the day in August is 12h and 20min.
On the first day of the month, sunrise is at 06:04 and sunset at 18:29. On the last day of August, sunrise is at 06:03 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 estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: A maximum high UV index of 6 in August translates into the following recommendations:
Fend off overexposure. Sun protection is vital. 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. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.

Frequently asked questions

What time of the year is the coldest?
July and August, when the average high-temperature reaches 28.9°C (84°F), are the coldest months.
Is it hot during August?
Udahamulla in August has an average high-temperature of 28.9°C (84°F) and an average low-temperature of 25.2°C (77.4°F). The average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, in August is estimated at 35°C (95°F).
What are the most humid months in Udahamulla?
The months with the highest humidity are June through August, with an average relative humidity of 83%.
What is the average humidity in August?
In August, the average relative humidity is 83%.
How many days does it rain in August?
In Udahamulla, in August, during 30.2 rainfall days, 287mm (11.3") of precipitation is typically accumulated.
How many hours of daylight does Udahamulla have in August?
In Udahamulla, the average day length in August is 12h and 20min.
When is the sunrise / sunset in August?
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 06:03 and sunset at 18:18 +0530.
How many hours of sunshine does Udahamulla have in August?
In Udahamulla, the average sunshine duration in August is 7h.
When is the lowest UV index?
May, June, August and October, with an average maximum UV index of 6, are months with the lowest UV index.
What is the UV index intensity in August?
The average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high health threat 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
Udahamulla, 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).

Average pressure in August
Udahamulla, 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
Udahamulla, 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).

Average humidity in August
Udahamulla, 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%).

Average rainfall in August
Udahamulla, 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).

Average rainfall days in August
Udahamulla, 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).

Average daylight in August /
Average sunshine in August
Udahamulla, 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).

Average sunshine days in August
Udahamulla, 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).

Average UV index in August
Udahamulla, 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
Udahamulla, 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).

Average visibility in August
Udahamulla, 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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