Last updated: August 21, 2025
In August, Kolkata experiences a tropical monsoon climate characterized by high temperatures and intense rainfall. The maximum temperature can soar to 36°C (97°F), while the average settles around a steamy 29°C (85°F), and the minimum holds steady at about 25°C (78°F). This month witnesses a staggering precipitation total of 353 mm (13.9 in), spread across 30 rainy days, resulting in a significant humidity level of 86%. The persistent rainfall transforms the city's landscape, ensuring vibrant greenery while also challenging daily activities. Residents and visitors alike are reminded to stay prepared for the wet weather and seek respite from the heat amidst the downpours.
In August, Kolkata experiences a tropical warmth that is both humid and inviting. With temperatures ranging from a minimum of 25°C (78°F) to a maximum of 36°C (97°F), the city maintains an average temperature of 29°C (85°F), just slightly lower than the scorching heat of the preceding months. This month marks a transition from the intense summer, as Kolkata's temperatures begin to cool slightly yet remain comfortably warm. The humidity remains high, creating a lush atmosphere that aids the monsoon showers, which nourish the vibrant greenery that the city is famous for. With a stable temperature profile continuing from July, August embodies the richness of Kolkata's climate, combining warmth with the refreshing feel of impending rain.
In August, Kolkata experiences its peak monsoon activity, with precipitation reaching a significant 353 mm (13.9 in) over the course of the month. Notably, this downpour is complemented by a staggering 30 days of rainfall, making it one of the wettest months of the year alongside July. This trend highlights the city’s transition into the heart of the monsoon season, where heavy rain typically saturates the landscape. Following a pattern established in July, August's abundant rainfall is crucial for replenishing local water sources and sustaining agriculture. As the rains begin to wane in September, the precipitation level drops to 278 mm (10.9 in), yet August remains a vivid reminder of Kolkata's dynamic and sometimes tumultuous climate.
August in Kolkata, India, is characterized by oppressive humidity, peaking at a staggering 86%. This soaring level follows a trend of increasing moisture that begins in the earlier months, notably escalating from 60% in June to 84% in July. As the monsoon reaches its zenith, Kolkata experiences its most humid period, where the air feels thick and heavy. Remarkably, September maintains this same level of humidity, indicating that the peak of the monsoon season envelops the city in a blanket of moisture. This high humidity in August not only affects daily comfort but also enhances the vibrant, lush landscape typical of this tropical haven.
In August, Kolkata experiences an extreme UV Index of 13, which remains consistent with July and shortly follows a peak in May and June. This level of exposure indicates that sun protection is essential, as the burn time is a mere 10 minutes. As the monsoon season continues, the sun's intensity doesn't wane, posing challenges for outdoor activities without adequate precautions. The surrounding months reflect a gradual rise in UV exposure from moderate levels in January to these extreme conditions, illustrating a notable trend in the city's climate. It’s crucial for residents and visitors alike to stay informed about UV levels to safeguard their health. For detailed insights, check out the Kolkata UV Index.
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In Kolkata, August shines with a generous 293 hours of sunshine, making it a delightful summer month as the city transitions towards the monsoon's end. The pattern of sunlight this year reveals a gradual increase from the chilly days of January, which started with just 242 hours. As the year progressed, March and April basked in ample daylight, reaching peaks of 329 and 330 hours respectively, leading into the sun-drenched days of May with a remarkable 345 hours. However, the monsoon months of June and July saw a dip, with 282 and 277 hours, respectively. August, positioned perfectly at the tail end of the rains, offers a pleasant return to abundant sunny days, making it an ideal time for Kolkata residents to embrace the outdoors before the cooler September sets in with 272 hours. Overall, the city’s sunlight saga beautifully encapsulates the rhythm of its climatic seasons, showcasing nature’s gradual shift.
In Kolkata, August marks a significant shift in the weather, as the likelihood of sunny days plummets to just 7%. Following the peak sunshine months of January through April, where clear skies dominate, the chances of sunlight drop sharply in the monsoon season. By the time August arrives, the city is often shrouded in the heaviness of rain, following the steep declines from 49% in May to an even more dramatic 6% in July. This trend highlights the transition from the dry heat of summer to the damp embrace of the monsoons, making August one of the least likely months to experience the sun in Kolkata. As the rain is a hallmark of this time, residents can expect a cooler, more refreshing atmosphere, but with little to no sunlight.
In Kolkata, India, the month of August witnesses a return to a more moderate 12 hours of daylight, a trend that reflects the gradual transition from the longer summer days to the shorter autumnal period. This month stands out as part of a seasonal pattern where daylight steadily increases from 10 hours in January, peaking at 13 hours during the heart of summer in May through July, before tapering off again. The consistent daylight duration in August signals a shift, with the days gradually shortening as the year progresses towards its end. Despite the decrease, Kolkata retains ample sunlight, offering a balanced mix of warmth and light amidst the changing seasons.
As August unfolds in Kolkata, the gentle breeze presents an average wind speed of 2.7 m/s (6 mph), slightly softer than the preceding months of May and June, which experience peak winds of 3.3 m/s (7 mph). This shift reflects the transitional nature of the monsoon season, where the winds begin to lose their edge as the city braces for the persistent rain of late summer. Notably, the wind speeds in August are moderate compared to earlier months, yet they remain a welcome respite from the intense heat of prior weeks. As the year matures, a trend emerges: wind speeds tend to gradually decline heading into the cooler months of September and October, settling into a tranquil rhythm that characterizes Kolkata's late-year climate.
Weather in Kolkata varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Kolkata, focusing on differences in temperature, rainfall, humidity, and UV levels.
August and January present contrasting weather patterns. In August, temperatures range from a minimum of 25°C (78°F) to a maximum of 36°C (97°F), with an average of 29°C (85°F). The month is characterized by high humidity at 86% and significant precipitation of 353 mm (13.9 in) over 30 days, resulting in a heavy, tropical climate. In contrast, January features much cooler conditions, with temperatures fluctuating between a minimum of 10°C (50°F) and a maximum of 31°C (89°F), averaging around 19°C (66°F). Rainfall is minimal, only about 6 mm (0.2 in) over just one day, and humidity drops to a more comfortable 55%. For a comprehensive look at Kolkata's January conditions, visit Kolkata weather in January.
August and February showcase distinct weather patterns in terms of temperature, precipitation, and humidity. August is characterized by warm temperatures, with lows around 25°C (78°F) and highs reaching up to 36°C (97°F), while averaging at 29°C (85°F). This month is also marked by significant rainfall, totaling 353 mm (13.9 in) over 30 days, accompanied by high humidity at 86%. In contrast, February offers a milder climate, with minimum temperatures of 10°C (51°F), maximums up to 35°C (96°F), and an average of 22°C (72°F). The precipitation is notably low, at just 20 mm (0.8 in) over a single day, and humidity levels are more comfortable at 45%. For more details, you can check Kolkata weather in February.
August and March present distinct weather patterns, reflecting the transition from summer to the end of monsoon. In August, temperatures range from a minimum of 25°C (78°F) to a maximum of 36°C (97°F), with an average of 29°C (85°F). The month is marked by high humidity at 86% and significant rainfall, totaling 353 mm (13.9 in) across 30 days. In contrast, March has cooler temperatures, with a minimum of 16°C (61°F) and an average of 27°C (81°F), peaking at 37°C (100°F). Rainfall is minimal at only 43 mm (1.7 in) over just 5 days, and humidity drops substantially to 32%. For more detailed insights on March weather, you can visit Kolkata weather in March.
When comparing the weather between August and April, notable differences emerge. August tends to be more humid, with average temperatures hovering around 29°C (85°F) and maximums reaching up to 36°C (97°F). It also experiences substantial rainfall, with 353 mm (13.9 in) spread over 30 days. In contrast, April boasts higher maximum temperatures, peaking at 39°C (103°F), but with significantly lower humidity at 30% and only 89 mm (3.5 in) of rain over 11 days. This results in a drier, more intense heat compared to the cooler, wetter conditions of August. For more details about April's weather, you can refer to this link: Kolkata weather in April.
When comparing the weather between August and May, one can observe some significant differences. August typically experiences milder average temperatures, with a minimum of 25°C (78°F) and an average of 29°C (85°F), while reaching a maximum of 36°C (97°F). In contrast, May is hotter, boasting a minimum temperature of 22°C (72°F) and an average high of 40°C (103°F).
Precipitation also varies considerably; August sees a substantial amount of rain at 353 mm (13.9 in) over 30 days, contributing to its high humidity level of 86%. Conversely, May has significantly less rainfall at 132 mm (5.2 in) over just 14 days and a lower humidity level of 56%. For more details on the weather conditions specific to May, you can refer to Kolkata weather in May.
In comparing the weather between August and June, we find that both months exhibit similar minimum temperatures, around 25°C (77°F), but June tends to be slightly warmer on average, with temperatures reaching an average of 30°C (87°F) compared to August's 29°C (85°F). However, June can peak at a higher temperature of 39°C (102°F), which is notably higher than August's maximum of 36°C (97°F). Precipitation also varies significantly; August receives more rain, totaling 353 mm (13.9 in) across 30 days, while June has 265 mm (10.4 in) over 25 days. Additionally, the humidity is considerably higher in August at 86%, compared to June's 60%. For more detailed information, you can visit Kolkata weather in June.
August weather in Kolkata is characterized by slightly cooler average temperatures compared to July, with an average of 29°C (85°F) versus July's 30°C (86°F). Both months experience similar extreme temperatures, with maximums reaching up to 36°C (97°F). However, August sees just a bit more rainfall, with precipitation recorded at 353 mm (13.9 in) over 30 days, compared to July's 353 mm (13.9 in) spread across 29 days. The humidity is also slightly higher in August at 86%, compared to 84% in July, making the latter month feel a touch more comfortable. For a closer look at July's climate, you can refer to Kolkata weather in July.
In August, the weather typically sees slightly higher temperatures, with minimums around 25°C (78°F), an average of 29°C (85°F), and maximums reaching up to 36°C (97°F). This month experiences heavy rainfall, with a total of 353 mm (13.9 in) spread over 30 days, while humidity levels remain high at 86%. In contrast, September sees a marginal decrease in temperature, with similar minimums at 25°C (77°F) and an average of 29°C (85°F), but maximums drop slightly to 35°C (96°F). Precipitation also lessens, with 278 mm (10.9 in) recorded over 27 days, yet humidity stays consistent at 86%. For more details on the weather patterns in this month, check out Kolkata weather in September.
August weather in Kolkata is characterized by higher temperatures and humidity, with minimums around 25°C (78°F) and an average soaring to 29°C (85°F). The month is dominated by heavy rainfall, accumulating 353 mm (13.9 in), spread over 30 days, resulting in a humid atmosphere with an average humidity of 86%. In contrast, October offers a slight reprieve with cooler mornings, as temperatures dip to a minimum of 20°C (68°F) and an average of 28°C (83°F). Rainfall is also significantly reduced, with only 178 mm (7.0 in) falling over 16 days and humidity levels slightly lower at 83%. For more details, you can check Kolkata weather in October.
August and November present starkly contrasting weather characteristics. In August, temperatures soar with a minimum of 25°C (78°F) and an average around 29°C (85°F), reaching peaks of 36°C (97°F). This month is also marked by high humidity at 86% and significant rainfall of 353 mm (13.9 in) over 30 days, creating a hot and humid atmosphere. In contrast, November offers a more temperate climate, with temperatures ranging from a minimum of 14°C (57°F) to an average of 24°C (76°F) and a maximum of 33°C (92°F). The precipitation decreases dramatically to just 51 mm (2.0 in) over 3 days, accompanied by a lower humidity level of 73%. For more details on the weather specifics in November, visit Kolkata weather in November.
In August, the weather is characterized by sweltering heat with minimum temperatures around 25°C (78°F) and averages peaking at 29°C (85°F), reaching highs of up to 36°C (97°F). This month also sees significant rainfall, with a whopping 353 mm (13.9 in) of precipitation spread over 30 days, coupled with high humidity levels of 86%. In contrast, December offers a much cooler climate, with temperatures ranging from a minimum of 10°C (51°F) to a pleasant average of 20°C (68°F), and maximums reaching 30°C (86°F). Additionally, December experiences minimal rainfall, accumulating only 51 mm (2.0 in) over just 2 days and a decrease in humidity to 69%. For more details on the climate during this month, visit Kolkata weather in December.
August in Kolkata brings a distinctive contrast to the city's weather landscape, marked by its high humidity and substantial precipitation. As the monsoon season peaks, the average temperature hovers comfortably around 29°C, yet the maximum can soar to a steamy 36°C. This month is characterized by almost daily rainfall, creating a lush, vibrant atmosphere but also leading to muggy conditions that may challenge outdoor activities. The sheer volume of rain, totaling around 353 mm, plays a crucial role in shaping the monthly climate, differing markedly from the drier and cooler months that precede it. For a more comprehensive look at the weather patterns throughout the year, be sure to check out Kolkata Climate.