August Weather in Jaffna, Sri Lanka

Last updated: March 19, 2025

In August, Jaffna, Sri Lanka, experiences a warm tropical climate characterized by maximum temperatures reaching 31°C (88°F) and a comfortable average of 28°C (84°F). The nights cool down to a pleasant minimum of 26°C (79°F). This month also brings significant precipitation, totaling 65 mm (2.5 in) over approximately 13 days, contributing to the region's high humidity level of 87%. Visitors can expect a mix of sunny spells and occasional rain, making it an ideal time to explore the cultural richness of Jaffna while experiencing its vibrant, lush landscapes.

August Temperature in Jaffna

In August, Jaffna, Sri Lanka experiences a warm climate that is characteristic of the preceding months, with minimum temperatures hovering around 26°C (79°F). The average temperature for the month is a comfortable 28°C (84°F), making it an inviting time for both locals and visitors. Although the maximum reaches 31°C (88°F), this warmth is balanced by ocean breezes, contributing to the vibrant summer atmosphere. As part of a trend from May through August, temperatures remain consistently high, gradually transitioning towards slightly cooler conditions in September. This month, like those before it, embodies the tropical charm of Jaffna, ideal for exploring its rich culture and stunning landscapes.

August Weather in Jaffna: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Jaffna, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec798082858585848383828180
Data source: Temperature data for Jaffna generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Jaffna

In August, Jaffna experiences a notable increase in precipitation, with 65 mm (2.5 in) of rain falling over 13 days. This marks a transition from the warmer, drier months of June and July, where the rainfall was 32 mm and 62 mm respectively. As the city edges closer to the end of the monsoon season, August sets the stage for the heavier rains that follow in September and October, which see totals of 100 mm and a staggering 220 mm, respectively. This trend indicates a seasonal shift, with August acting as a prelude to the more intense rainfall patterns that characterize the latter months of the year in Jaffna.

August Precipitation Trends in Jaffna

The chart displays monthly precipitation patterns in Jaffna, with values for each month alongside August's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec9617183056326265100220396254
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Jaffna

In August, Jaffna experiences its highest humidity of the year at 87%, creating a steamy atmosphere for residents and visitors alike. This rise is part of a notable trend, as humidity levels gradually increase from 69% in February to reach peak levels in the midsummer months. Following this pattern, July and August showcase elevated humidity, with July hitting 83%, setting the stage for August's sweltering conditions. As the year progresses, the humidity remains consistently high, staying above 85% from September to December. This creates a tropical climate that underlines Jaffna's unique charm, but it also prompts a demand for relief from the heat and humidity during this period.

August Average Humidity in Jaffna

This chart illustrates the average monthly humidity levels in Jaffna, with August's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how August's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec76%69%69%69%76%82%83%87%86%86%86%85%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Jaffna

In August, Jaffna, Sri Lanka continues to experience an extreme UV Index of 13, mirroring the solar intensity seen in July. This consistency indicates a persistent risk of overexposure, with a burn time of just 10 minutes under direct sunlight. Interestingly, while the UV Index fluctuates slightly throughout the year, the trend remains high, particularly during the peak months from February to April, where levels reach up to 15. As summer transitions into fall, visitors and residents alike must remain vigilant against sun damage, reinforcing the importance of sun protection. For more detailed insights, check out the Jaffna UV Index.

Maximum UV Index Levels in Jaffna for August

The chart shows the monthly maximum UV Index (UVI) for Jaffna in August, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec111314151312131314121110
Data source: Jaffna August UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

August Sunshine in Jaffna

August in Jaffna, Sri Lanka, boasts an impressive 333 hours of sunshine, continuing a trend of plentiful sunlight that characterizes the region during the mid-year months. This vibrant summer season sees the sun shining brightly, with March to May holding the crown for the sunniest months, each surpassing 346 hours. While August experiences slightly less sunshine than its immediate predecessors, it still benefits from a delightful summer glow, warmly welcoming visitors before the sun-kissed days gradually begin to dwindle in the following months. As the year progresses into September and October, the hours of sunlight gently taper off, yet Jaffna remains a beacon of brightness in the late summer, inviting exploration and relaxation amidst its picturesque landscapes.

Monthly Sunshine Duration in Jaffna: August Highlighted

The August sunshine duration represents the total number of hours Jaffna experiences direct sunlight during the month of August, excluding cloudy or obstructed periods. This chart compares the sunshine duration of August with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec265h312h346h344h346h336h343h333h323h314h267h303h
Data source: Jaffna August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Jaffna During August

In Jaffna, Sri Lanka, the likelihood of sunny weather takes a significant dip in August, with only a 10% chance of sunshine. This marks a stark contrast to the preceding months, where the probabilities hovered above 20%, peaking at 61% in April. The trend clearly illustrates a seasonal shift, as the summer months of February through April offer the most potential for sunny skies. Following this vibrant period, July also experiences a decline, leading into the less favorable August. As the year progresses into September and October, the chances improve slightly, but August stands out as a month where visitors should brace for overcast skies and rain rather than basking in sunshine.

Percentage of Sunny Days in August in Jaffna

The chart illustrates the percentage of sunny days in Jaffna throughout the year, with August highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Jaffna experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec27%56%60%61%26%21%24%11%22%21%12%51%
Data source: Jaffna August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Jaffna in August

In Jaffna, Sri Lanka, the daylight duration presents a captivating trend throughout the year. Starting from the 11 hours of daylight in January and February, the sun steadily extends its reach as the months progress. By March, daylight increases to 12 hours, a duration that persists through to August, creating long and inviting days in the heart of summer. The consistency of 12 hours signifies a remarkable balance, providing ample time for both work and leisure. As the year transitions into autumn, daylight begins to wane again, returning to 11 hours in October, and staying there through December. This rhythmic pattern of daylight not only marks the changing seasons but also enriches the daily experiences of those in this vibrant coastal city.

Average Daylight Hours in Jaffna for August

The chart illustrates the variation in daylight duration in Jaffna throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 36m11h 48m12h 3m12h 19m12h 33m12h 39m12h 36m12h 24m12h 9m11h 53m11h 40m11h 33m
Data source: Jaffna daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Jaffna

In August, Jaffna experiences a refreshing breeze, with an average wind speed of 6.6 m/s (15 mph), maintaining a lively atmosphere in the coastal region. This slight dip from July's peak of 6.8 m/s signals a transition as summer winds begin to mellow. The wind speeds show an overall trend of increasing intensity from the earlier months, soaring to an average of 7.3 m/s in June, before gradually tapering off into September. This pattern highlights the dynamic interplay between the changing seasons, reflecting how August serves as a bridge, offering a blend of summer's vibrancy and the upcoming calm of autumn. Visitors can delight in the gentle gusts, perfect for enjoying outdoor activities amidst the stunning backdrop of Jaffna.

Average August Wind Speed in Jaffna

The chart displays monthly wind speed patterns in Jaffna, with values for each month shown alongside August's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how August's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec5.65.54.64.96.57.36.86.6 m/s6.45.35.15.4
Data source: Jaffna August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Jaffna Compares to Other Months

The weather in Jaffna changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of August's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Jaffna and find detailed weather information for every month.

When comparing the weather in August and January, several notable differences emerge. August features warmer temperatures, with a minimum of 26°C (79°F) and a maximum of 31°C (88°F), while January maintains slightly cooler temperatures, ranging from a minimum of 24°C (75°F) to a maximum of 29°C (84°F). Additionally, August experiences higher humidity levels at 87% compared to January's 76%. Precipitation is also more pronounced in January, with 96 mm (3.8 in) falling over 8 days, while August sees less rainfall at 65 mm (2.5 in) spread across 13 days. For a more detailed look at January's climate, visit Jaffna weather in January.

When comparing the weather in August and February, we see notable differences in temperature and humidity. August typically experiences higher temperatures, with a minimum of 26°C (79°F) and an average of 28°C (84°F), peaking at 31°C (88°F). It also has higher humidity at 87% and more precipitation, averaging 65 mm (2.5 in) over 13 days. In contrast, February offers slightly cooler temperatures, with a minimum of 23°C (74°F), an average of 26°C (80°F), and a maximum of 30°C (86°F). The humidity is lower at 69%, and rainfall is significantly reduced, with only 17 mm (0.7 in) over just 4 days. For more detailed insights, you can check Jaffna weather in February.

When comparing the weather in August and March, notable differences emerge. August tends to be warmer and more humid, with average temperatures around 28°C (84°F) and a high humidity level of 87%. It also experiences more substantial rainfall, totaling 65 mm (2.5 in) over 13 days. In contrast, March shows a slightly cooler climate, with similar average temperatures of 28°C (82°F), but lower humidity at 69% and less precipitation, totaling only 18 mm (0.7 in) over 5 days. For a detailed look at weather specifics in March, you can visit Jaffna weather in March.

In comparing the weather between April and August, we can see some notable differences. April tends to be slightly warmer, with average temperatures reaching up to 29°C (85°F) and a maximum of 32°C (89°F), compared to August where the average is 28°C (84°F) with a max of 31°C (88°F). Additionally, April experiences significantly less precipitation, with only 29 mm (1.2 in) over 6 days, while August sees about 65 mm (2.5 in) spread across 13 days, making it a wetter month. The humidity levels also vary, with April at a comfortable 69%, compared to the high humidity of 87% in August. For more details about April weather specifically, you can check Jaffna weather in April.

Comparing the weather in August and May reveals some notable similarities and differences. In May, temperatures are slightly warmer with a minimum of 27°C (80°F) and an average of 29°C (85°F), peaking at 32°C (90°F). Meanwhile, August has a lower minimum of 26°C (79°F) and averages around 28°C (84°F), with a maximum of 31°C (88°F). Precipitation levels are higher in August, with 65 mm (2.5 in) spread over 13 days compared to May's 56 mm (2.2 in) across the same number of days. Additionally, humidity is noticeably higher in August at 87%, while May has a more comfortable level of 76%. For a closer look at the specifics of May weather, check out Jaffna weather in May.

In comparing the weather between June and August, we see some notable similarities and differences. Both months have a minimum temperature of around 26°C (79°F), and the maximum temperature remains consistent at 31°C (88°F). However, June tends to have a slightly higher average temperature of 29°C (85°F) compared to August's average of 28°C (84°F). Precipitation also varies significantly; August sees more rainfall with 65 mm (2.5 in) falling over 13 days, while June receives just 32 mm (1.3 in) over 7 days, resulting in a wetter experience in August. Humidity is higher in August at 87%, compared to 82% in June, contributing to a more uncomfortable atmosphere during the late summer month. For more details on June weather in Jaffna, check out Jaffna weather in June.

In comparing the weather of August and July, both months exhibit similar temperature ranges, with July showing a slightly higher average temperature at 29°C (84°F) compared to August's 28°C (84°F). The maximum temperatures for both months are nearly identical, reaching 31°C (88°F) in August and 31°C (89°F) in July. However, August experiences a bit more precipitation, with 65 mm (2.5 in) over 13 days, compared to July's 62 mm (2.4 in) across the same number of days. Additionally, humidity levels rise slightly in August to 87%, up from July's 83%. For more detailed insights into July's weather, you can check Jaffna weather in July.

In comparing the weather of August and September, we see some notable similarities and differences. Both months feature average temperatures peaking at around 28°C (84°F) with maximums reaching 31°C (88°F). However, August typically has a slightly higher minimum temperature of 26°C (79°F) compared to September’s 25°C (78°F).

In terms of precipitation, September is markedly wetter, receiving 100 mm (3.9 in) of rainfall over 17 days, whereas August experiences only 65 mm (2.5 in) over 13 days. The humidity levels are fairly consistent, with August sitting at 87% and September just a touch lower at 86%. For a more detailed look at September's weather, check out Jaffna weather in September.

August and October weather in Jaffna show some notable differences, despite similar average temperatures. In August, the temperatures range from a minimum of 26°C (79°F) to a maximum of 31°C (88°F), with an average of 28°C (84°F) and relatively lower precipitation of 65 mm (2.5 in) over 13 days. In contrast, October experiences slightly cooler temperatures, ranging from 25°C (77°F) to 30°C (86°F), and a significant increase in rainfall, with 220 mm (8.7 in) falling over 23 days. Humidity remains quite high in both months, with August at 87% and October slightly lower at 86%. For more detailed insights, you can check Jaffna weather in October.

In August, the weather is typically warm with daily temperatures ranging from a minimum of 26°C (79°F) to a maximum of 31°C (88°F), accompanied by an average of 28°C (84°F). Although the month sees some rain, with about 65 mm (2.5 in) of precipitation over 13 days, the humidity is quite high, averaging 87%.

In contrast, November brings slightly cooler temperatures, with a range from a minimum of 25°C (77°F) to a maximum of 29°C (85°F), and an average temperature of 27°C (81°F). However, November is significantly wetter, with around 396 mm (15.6 in) of precipitation over 24 days, resulting in a humidity level of 86%. For a detailed overview of weather patterns, you can check Jaffna weather in November.

In August, the weather features average temperatures around 28°C (84°F), with a maximum of 31°C (88°F) and a relatively high humidity of 87%. The month typically experiences light precipitation, totaling 65 mm (2.5 in) over about 13 days. In contrast, December brings slightly cooler temperatures, with averages around 26°C (80°F) and maximums reaching 29°C (84°F). However, it is a much wetter month, receiving 254 mm (10.0 in) of rainfall over 18 days, while humidity remains relatively high at 85%. For more details, you can check Jaffna weather in December.

Compare Jaffna's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Jaffna

In August, Jaffna experiences a noticeable shift in weather, presenting a more humid atmosphere compared to other months. With daily temperatures hovering around a warm 28°C (84°F), the air feels heavier, often accompanied by rainfall on 13 days throughout the month, leading to a combined total of 65 mm (2.5 in) of precipitation. This increase in moisture results in an average humidity of 87%, creating a lush and vibrant landscape that contrasts sharply with drier months. As you navigate this tropical climate, it's important to embrace both the sunshine and the occasional showers that August brings. For a deeper understanding of the region's weather patterns throughout the year, visit Jaffna Climate.