Last updated: March 19, 2025
In August, Colombo, Sri Lanka experiences a tropical climate characterized by warm temperatures and high humidity. Daily maximums reach around 30°C (85°F), while the average hovers at a comfortable 27°C (81°F) and minimums rarely dip below 25°C (77°F). This month is marked by significant rainfall, accumulating to 189 mm (7.4 in) over an average of 27 rainy days, creating a lush, vibrant atmosphere. With humidity levels consistently around 83%, the air is rich and heavy, making it a quintessential tropical experience for both locals and visitors alike.
In August, Colombo, Sri Lanka, experiences a pleasant tropical climate, with minimum temperatures consistently around 25°C (77°F) and averaging 27°C (81°F). The maximum temperatures generally peak at 30°C (85°F), exhibiting a slight cooling trend compared to the hotter summer months. This month maintains a steady warmth characteristic of the region, while humidity levels remain manageable, making it an ideal time for outdoor activities. Following closely after the peak months of February through April, August offers visitors a balance of comfort and warmth, with temperatures that encourage exploration of the vibrant city and its stunning coastline. Overall, the city's temperatures in August reflect a seamless transition towards the more temperate atmosphere of the upcoming months.
In August, Colombo experiences a notable increase in precipitation, with 189 mm (7.4 in) of rainfall spread across 27 days. This month marks a transitional period, as the intensity of rainfall starts to rise after July's relative dip. The consistent cloud cover and showers not only contribute to the city's lush greenery but also hint at the approaching peak of the monsoon season. August’s precipitation serves as a reminder of the region's tropical climate, where humidity and moisture dominate the atmospheric conditions and prepare the city for the even heavier rains expected in September and October.
August in Colombo, Sri Lanka, marks a peak in humidity, reaching 83%, which is the highest level recorded throughout the year. This increase reflects the transition into the wetter months, as the city experiences a gradual rise from June's 82%. Following a consistent trend, humidity remains elevated during this period, with September's levels also holding strong at 82%. As the months progress, humidity typically hovers around the 80% mark, creating a tropical and often muggy atmosphere. The high humidity not only influences the climate but also affects daily life, making August an interesting month for experiencing Colombo's warm, humid tropical character.
In August, Colombo, Sri Lanka, continues to experience an extreme UV Index of 13, consistent with the higher range observed throughout the months leading up to it. Like July, this level indicates a burn time of just 10 minutes, underscoring the importance of sun protection to avoid skin damage. The UV Index tends to fluctuate between 12 to 15 over the summer months, peaking in April, and while August sees a slight decline, it remains critical for travelers and locals alike to stay vigilant against UV exposure. As the pattern suggests, maintaining skin safety is paramount during this period. For those interested in tracking UV conditions throughout the year, further insights can be found at Colombo UV Index.
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August in Colombo, Sri Lanka, shines with 326 hours of glorious sunshine, nestled comfortably amidst a summer of radiance. Following the peaks of March and April, where the sun dazzles with 336 and 334 hours respectively, August maintains a vibrant glow, slightly dimmed yet altogether inviting. The month observes a promising equilibrium in daylight hours, showcasing the city’s consistent warmth. As the year progresses, sunshine hours gradually taper off, yet August serves as a delightful reminder of the sun's persistence before the arrival of gentler months in September and October. With an average of around 300 hours throughout the latter part of the year, August stands out as a central player in Colombo's sun-kissed narrative, perfect for those seeking a blend of warmth and adventure.
In August, the probability of enjoying sunny weather in Colombo, Sri Lanka, drops significantly to just 9%. This marks a stark contrast to the sunnier months earlier in the year, such as February with 53% sunny days and December's return to 54%. Following a trend of diminishing sunshine from the warmer March and April, where the chances are 32% and 46%, respectively, August stands out as a low point in the annual cycle. As the monsoon season typically takes hold, travelers should brace for the likelihood of overcast skies and frequent rain, making it one of the least favorable months for sun-seekers in this vibrant coastal city.
In August, Colombo, Sri Lanka enjoys a generous 12 hours of daylight, continuing a trend established since April. This consistency in daylight duration highlights the region's tropical climate, where sunlight remains abundant throughout the year. The month follows a pattern of extended daylight that begins in the early spring and sustains itself through the summer, before gradually decreasing into the fall and winter months. This reliable schedule not only fosters vibrant outdoor activities but also enriches the local culture, making every day in August feel lively and full of potential.
August in Colombo, Sri Lanka, brings a refreshing breeze, with average wind speeds reaching 5.3 m/s (12 mph). This month stands out in the transition from the brisk July winds, which peak at 5.6 m/s (13 mph), maintaining a spirit of vitality through the late summer heat. Following the steady increase in wind speeds from June's 5.1 m/s (11 mph), August’s winds continue to provide a pleasant reprieve as they begin to taper off into the softer breezes of September at 4.9 m/s (11 mph). Overall, the month serves as a highlight in the annual cycle, where the invigorating winds not only enhance outdoor enjoyment but also herald the gradual approach of the cooler months ahead.
The weather in Colombo 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 Colombo and find detailed weather information for every month.
August and January in Colombo exhibit notable differences in weather patterns. August tends to be more humid, with an average temperature of 27°C (81°F) and maximums reaching 30°C (85°F). This month also experiences significant rainfall, with 189 mm (7.4 in) of precipitation spread over 27 days, leading to a damp and humid atmosphere with 83% humidity. In contrast, January presents slightly cooler temperatures, with a minimum of 22°C (72°F) and maximums peaking at 33°C (92°F), but it is significantly dryer, receiving just 54 mm (2.1 in) of rain over 7 days. The humidity is also lower at 77%, offering a more comfortable climate. For more details on January weather patterns, check out Colombo weather in January.
When comparing the weather in August and February, August tends to be more humid and rainy. August experiences average temperatures ranging from a minimum of 25°C (77°F) to a maximum of 30°C (85°F), with significant precipitation of 189 mm (7.4 in) spread over 27 days, resulting in a humidity level of 83%. In contrast, February has slightly warmer average temperatures, with a minimum of 22°C (73°F) and a maximum of 34°C (94°F), but it sees much less rainfall, totaling 54 mm (2.1 in) across just 9 days, and a lower humidity of 73%. For more specific details, you can check Colombo weather in February.
When comparing the weather in August and March, we observe some notable differences. August tends to be slightly cooler, with average temperatures around 27°C (81°F), while March reaches its peak at 33°C (92°F), making it warmer overall. However, August experiences more rainfall, with 189 mm (7.4 in) over 27 days, compared to March's 118 mm (4.6 in) over just 17 days. Additionally, humidity levels are higher in August at 83%, compared to March’s 74%. For more detailed insights on March weather, visit Colombo weather in March.
In comparing the weather between April and August, both months exhibit warm temperatures, though April tends to be slightly hotter on average. In April, temperatures range from a minimum of 25°C (77°F) to a maximum of 33°C (91°F), while August sees lower maximum temperatures, peaking at 30°C (85°F). Interestingly, August experiences much more rainfall, with 189 mm (7.4 in) over 27 days, compared to April's 125 mm (4.9 in) over 25 days. Additionally, humidity levels in August are significantly higher at 83%, compared to 74% in April. For a more detailed look at April's conditions, visit Colombo weather in April.
When comparing the weather in May and August, it's noticeable that both months feature high humidity and warm temperatures. May has slightly higher average temperatures, with an average of 28°C (83°F) compared to August's 27°C (81°F), and it also reaches a maximum of 32°C (90°F), while August peaks at 30°C (85°F). However, May experiences more rainfall, with a total of 295 mm (11.6 in) over 29 days, whereas August sees 189 mm (7.4 in) spread across 27 days. Despite the similar minimum temperatures of around 25°C (77°F), the humidity levels in August are higher at 83%, compared to May’s 76%. For a closer look at the weather patterns during May, you can visit Colombo weather in May.
In comparing the weather between August and June, we find some notable similarities and differences. Both months have minimum temperatures around 25°C (77°F), with June being slightly warmer on average, at 28°C (82°F), compared to August's average of 27°C (81°F). June also records a higher maximum temperature of 31°C (87°F), while August peaks at 30°C (85°F).
Precipitation is more significant in June, averaging 257 mm (10.1 in) over 28 days, compared to 189 mm (7.4 in) over 27 days in August. Interestingly, the humidity remains quite comparable, with August at 83% and June slightly lower at 82%. For a more detailed look at the weather patterns during June, you can visit Colombo weather in June.
In comparing the weather between July and August, both months exhibit warm temperatures with minimal variation. July has a slightly higher average temperature of 28°C (82°F), compared to August's average of 27°C (81°F). The maximum temperatures are consistent, reaching 30°C (85°F) in both months. However, August experiences increased precipitation, with 189 mm (7.4 in) falling over 27 days, while July sees 168 mm (6.6 in) of rain over 26 days. Humidity is also slightly higher in August at 83%, compared to July's 82%. For a detailed overview of July’s weather in Colombo, visit Colombo weather in July.
August and September exhibit remarkably similar temperatures in Colombo, with both months featuring a minimum of 25°C (77°F), an average of 27°C (81°F), and a maximum reaching up to 30°C (85°F in August and 86°F in September). However, September tends to be slightly wetter, with total precipitation rising to 234 mm (9.2 in) over 26 days, compared to August's 189 mm (7.4 in) across 27 days. Humidity levels are slightly lower in September at 82%, compared to 83% in August, contributing to a marginally more pleasant experience despite the increased rainfall. For more detailed information, check out Colombo weather in September.
In August, temperatures in Colombo typically range from a minimum of 25°C (77°F) to a maximum of 30°C (85°F), with an average around 27°C (81°F). The month experiences significant rainfall, with precipitation totaling 189 mm (7.4 in) over 27 days and humidity levels reaching 83%.
In contrast, October sees a similar average temperature of 27°C (81°F), but the minimum and maximum temperatures are slightly lower, with a min of 24°C (76°F) and a max of 30°C (86°F). However, October is significantly wetter, with precipitation increasing to 347 mm (13.6 in) over 29 days, while humidity is slightly reduced to 81%. For more detailed information, you can refer to Colombo weather in October.
In comparing the weather between August and November, we see a notable consistency in temperatures, with both months boasting an average of 27°C (81°F). However, August typically features slightly warmer highs, reaching a maximum of 30°C (85°F) compared to November’s 31°C (88°F). Precipitation, on the other hand, varies significantly; August experiences 189 mm (7.4 in) of rain over 27 days, while November sees an increase to 294 mm (11.6 in) over just 26 days. Humidity levels are comparable, remaining high at 83% in August and slightly lower at 80% in November. For more detailed insights, you can check Colombo weather in November.
In comparing the weather between August and December, both months exhibit warm temperatures, with average highs reaching around 27°C (81°F). However, December slightly edges out with a maximum temperature of 32°C (89°F) compared to August's peak of 30°C (85°F). August experiences more rainfall, accumulating 189 mm (7.4 in) over 27 days, whereas December sees a reduced precipitation of 179 mm (7.1 in) distributed over just 17 days. Additionally, humidity levels are high in both months, with August at 83% and December slightly lower at 80%. For more detailed insights into December's weather, you can visit Colombo weather in December.
August in Colombo presents a unique climate experience, characterized by warm days and high humidity. While temperatures remain comfortably warm, the relentless rainfalls make this month distinctly wetter compared to other times of the year. With nearly daily precipitation, August can feel more humid and overcast, creating a lush environment that enhances the city's vibrant beauty. Travelers should prepare for the possibility of showers while enjoying the warm temperatures that can elevate the outdoor experience. For a deeper dive into what to expect throughout the year, visit Colombo Climate.