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 sea temperature 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's advent in Jaffna, Sri Lanka, presents an average high-temperature of a still moderately hot 28.8°C (83.8°F), indicating a slight variation from the conditions of the previous month. Jaffna reports an average low-temperature of 27.4°C (81.3°F) during the subtly cooler August nights.Heat index
The heat index value during August is calculated to be a hot 34°C (93.2°F). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.Always consider that heat index estimations are for light winds and places in the shade. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely vital to babies and toddlers. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Humidity
The months with the highest humidity are May, August and September, with an average relative humidity of 79%.Rainfall
In Jaffna, in August, it is raining for 13.1 days, with typically 38mm (1.5") of accumulated precipitation. In Jaffna, during the entire year, the rain falls for 148.6 days and collects up to 769mm (30.28") of precipitation.Sea temperature
In Jaffna, the average seawater temperature in August is 28.8°C (83.8°F).Note: Engaging in water activities, such as swimming or diving, in temperatures from 25°C (77°F) to 29°C (84.2°F) is very pleasurable for extended periods, without any discomfort.
Daylight
In August, the average length of the day is 12h and 26min.On the first day of the month, sunrise is at 06:00 and sunset at 18:32. On the last day of August, in Jaffna, sunrise is at 06:00 and sunset at 18:19 +0530.
Sunshine
In Jaffna, the average sunshine in August is 9.4h.UV index
The months with the highest UV index in Jaffna are January through October and December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In August, the maximum UV index of 7 transforms into these recommendations:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Heads up! UV intensity is amplified by reflections from water and sand.
Frequently asked questions
How hot is August in Jaffna?
What are the most humid months in Jaffna?
What is the average humidity in August in Jaffna?
How much does it rain in Jaffna in August?
What is the water temperature in August in Jaffna?
What is the average length of the day in August in Jaffna?
When is the sunrise / sunset in August in Jaffna?
How long on average sun shines in August in Jaffna?
When is the highest UV index in Jaffna?
What is the UV index intensity in August in Jaffna?
Average temperature in August
Jaffna, Sri Lanka
- Average high temperature in August: 28.8°C
The warmest month (with the highest average high temperature) is April (30.4°C).
The month with the lowest average high temperature is January (26.8°C).
- Average low temperature in August: 27.4°C
The month with the highest average low temperature is May (29°C).
The coldest month (with the lowest average low temperature) is January (25.5°C).
Average pressure in August
Jaffna, Sri Lanka
- Average pressure in August: 1006.6mbar
The month with the highest atmospheric pressure is January (1012.5mbar).
The month with the lowest atmospheric pressure is June (1005.9mbar).
Average wind speed in August
Jaffna, Sri Lanka
- Average wind speed in August: 28.7km/h
The windiest month (with the highest average wind speed) is June (33.8km/h).
The calmest months (with the lowest average wind speed) are March and April (16.7km/h).
Average humidity in August
Jaffna, Sri Lanka
- Average humidity in August: 79%
The months with the highest relative humidity are May, August and September (79%).
The month with the lowest relative humidity is March (75%).
Average rainfall in August
Jaffna, Sri Lanka
- Average rainfall in August: 38mm
The wettest month (with the highest rainfall) is October (191mm).
The driest month (with the least rainfall) is March (13mm).
Average rainfall days in August
Jaffna, Sri Lanka
- Average rainfall days in August: 13.1 days
The month with the highest number of rainy days is October (22.6 days).
The month with the least rainy days is March (5.8 days).
Average sea temperature in August
Jaffna, Sri Lanka
- Average sea temperature in August: 28.8°C
The best month for swimming (with the highest average sea temperature) is April (30.1°C).
The coldest month (with the lowest average sea temperature) is January (26.8°C).
Average daylight in August /
Average sunshine in August
Jaffna, Sri Lanka
- Average daylight in August: 12h and 2min
The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 36min).
- Average sunshine in August: 9h and 2min
The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in August
Jaffna, Sri Lanka
- Average sunshine days in August: 17.7 days
The month with the most sunshine days is March (23.9 days).
The month with the least sunshine days is November (6.3 days).
Average UV index in August
Jaffna, Sri Lanka
- Average UV index in August: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October and December (UV index 7).
The month with the lowest UV index is November (UV index 6).
Average cloud cover in August
Jaffna, Sri Lanka
- Average cloud cover in August: 31
The month with the most cloud cover is December (Cloud cover 47).
The month with the least cloud cover is March (Cloud cover 16).
Average visibility in August
Jaffna, Sri Lanka
- Average visibility in August: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Jaffna, Sri Lanka
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