Last updated: August 21, 2025
June in Kolkata, India ushers in a oppressively warm atmosphere, with maximum temperatures soaring to 39°C (102°F) and an average of 30°C (87°F). Amidst the heat, the city experiences significant rainfall, accumulating 265 mm (10.4 in) over 25 days, contributing to the region's 60% humidity. These climatic conditions create a vibrant yet challenging environment, where the intertwining of warmth and moisture becomes a defining feature of Kolkata's early summer. As the city navigates through these sultry days, the contrast of sunlit streets and building monsoon clouds paints a dynamic picture of life in June.
June marks the beginning of the monsoon season in Kolkata, bringing a noticeable rise in temperatures and humidity. With minimums around 25°C (77°F) and a maximum reaching up to 39°C (102°F), the city's climate is characterized by its warmth and increasingly sultry conditions. Average temperatures remain steady at 30°C (87°F), similar to the preceding months, but the shift from the scorching heat of May to the onset of the rainy season signifies a transition. As the month progresses, residents can expect heavy downpours that not only provide relief from the heat but also rejuvenate the vibrant greenery of this bustling metropolis.
In June, Kolkata experiences a dramatic shift in its climatic landscape, with precipitation soaring to an impressive 265 mm (10.4 in), the highest for the year. This month marks the arrival of the monsoon, bringing a noticeable uptick in rainfall that stretches across 25 days of the month. As temperatures rise and humidity peaks, the city transforms under relentless showers, setting the stage for the wettest months ahead. The transition from May's 132 mm (5.2 in) of rain to June’s deluge underscores the onset of a significant monsoonal pattern, which continues into July and August, when precipitation levels remain consistently high. This trend not only highlights Kolkata's dynamic weather but also reflects the broader impact of the monsoon in shaping the region's agricultural calendar and daily life.
As the sweltering summer months gradually fade away, June marks a noticeable shift in Kolkata's climatic rhythm, with humidity levels rising to 60%. This increase not only signifies the onset of the monsoon season but also brings a welcome respite from the intense heat of May, which peaks at 56% humidity. The transition continues in July and August, where humidity soars to 84% and 86% respectively, creating a muggy atmosphere that defines the city's monsoon charm. Observing the trend from the drier winter months—where January and February exhibit much lower humidity levels of 55% and 45%—it's clear that Kolkata's summer gives way to a lush, vibrant landscape that thrives under the weight of humidity.
As June rolls into Kolkata, the UV Index reaches a staggering 12, marking it as an extreme exposure category. This means that sunburn can occur in just 10 minutes of unprotected exposure. The trend from earlier months reveals a drastic increase in UV levels; moving from a moderate 5 in January to the extreme values witnessed in June. Both May and June showcase this peak intensity, with additional rises expected in July and August. As the sunny season progresses, it's crucial for residents and visitors alike to take protective measures against harmful UV rays. For more detailed information, visit the Kolkata UV Index.
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In June, Kolkata experiences a notable shift in sunshine hours, with 282 hours of bright daylight illuminating the city. This marks a decline from the peak of 345 hours seen in May, reflecting the transitional weather as the monsoon approaches. The city's average sunlight in the first half of the year shows a steady increase, with the highs beginning in March and peaking in May, before tapering off slightly in June and beyond. As the monsoon rains begin to cool the landscape, the summer's vibrant energy transforms, leading to lush greenery and refreshing respite. This pattern of sunlight illustrates Kolkata's dynamic climate, where the anticipation of rains brings both relief and a shift in the rhythm of daily life.
In Kolkata, India, the likelihood of encountering sunny weather takes a noticeable dip in June, plunging to a mere 18%. This shift marks a significant transition from the sun-soaked months of January through April, where the chances of sunshine range from 63% to an impressive 87%. As the summer progresses and humidity rises, May shows a steep decline to 49%, setting the stage for June's dramatic drop. Following June, the weather becomes even more overcast, with the chances of sun plummeting to just 6% in July. This trend highlights Kolkata's distinct monsoon season, characterized by heavy rainfall and cloud cover that envelops the city throughout the summer months. As a result, anyone planning a visit should prepare for a stark contrast to the earlier sunlit days, as June ushers in much wetter weather patterns.
As the year progresses in Kolkata, India, daylight duration reveals a captivating rhythm influenced by the changing seasons. Starting with a modest 10 hours in January, the days gradually grow longer, reaching 13 hours of daylight by May, a perfect invitation for outdoor adventures. This trend continues into June, where residents bask in the same generous 13 hours of sunlight, creating ample time for exploration and enjoyment. The daylight then begins to taper off as summer fades into fall, with both July and August maintaining the 13-hour mark before a gradual decline sets in. By September, daylight returns to 12 hours, leading to a steady decrease as the year approaches its end, with 10 hours of daylight returning by December. This annual dance of light and shadow not only shapes daily life but also enriches the cultural tapestry of Kolkata, reflecting a vibrant interplay between nature and community.
In June, Kolkata experiences a gentle breeze, with an average wind speed of 3.0 m/s (7 mph), slightly easing the heat of the early summer. This month marks a transition, as wind speeds rise from the calmer conditions of earlier months—recording a modest increase from May's 3.3 m/s. Following the peak in April and May, the winds begin to gradually decline in intensity as the monsoon season approaches. The consistent 3.0 m/s speeds in June provide a soothing effect amidst the rising temperatures, allowing residents a brief reprieve as they brace for the more turbulent weather of July.
Weather in Kolkata varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in Kolkata, focusing on differences in temperature, rainfall, humidity, and UV levels.
June and January present a stark contrast in weather patterns. June boasts high temperatures, with a minimum of 25°C (77°F) and an average reaching up to 30°C (87°F), peaking at a scorching 39°C (102°F). The month is characterized by significant rainfall, accumulating 265 mm (10.4 in) over approximately 25 days, accompanied by a humidity level of 60%. In contrast, January offers cooler conditions, with temperatures ranging from a minimum of 10°C (50°F) to an average of 19°C (66°F) and a maximum of 31°C (89°F). Notably, January experiences much less precipitation, with just 6 mm (0.2 in) over a single day and a slightly lower humidity of 55%. For more details, check Kolkata weather in January.
June and February present stark contrasts in weather patterns. In June, temperatures can soar, with minimums of 25°C (77°F) and a scorching maximum of 39°C (102°F), while February remains significantly cooler, with a minimum of 10°C (51°F) and a maximum of 35°C (96°F). Precipitation levels also differ dramatically, as June receives substantial rainfall of 265 mm (10.4 in) over 25 days, compared to a mere 20 mm (0.8 in) in February occurring only on one day. Additionally, humidity is notably higher in June at 60%, while February experiences a lower humidity level of 45%. For more details, you can explore Kolkata weather in February.
June and March exhibit significantly different weather patterns. In June, temperatures range from a minimum of 25°C (77°F) to a scorching maximum of 39°C (102°F), with an average temperature of 30°C (87°F). The month is also characterized by high humidity levels at 60% and substantial rainfall of 265 mm (10.4 in) over 25 days, creating a muggy atmosphere. In contrast, March experiences milder weather with temperatures spanning from a minimum of 16°C (61°F) to a maximum of 37°C (100°F) and an average of 27°C (81°F). Additionally, March is relatively dry, receiving only 43 mm (1.7 in) of precipitation over just 5 days, along with a lower humidity level of 32%. For more detailed information, you can check Kolkata weather in March.
In comparing the weather between April and June, we observe notable differences in temperature and precipitation levels. Both months feature a similar average temperature of around 30°C (86°F), but June sees a higher minimum temperature of 25°C (77°F) compared to April's 20°C (68°F). Interestingly, both months can reach a maximum of 39°C (102°F) in June and 39°C (103°F) in April. However, June is significantly wetter, receiving 265 mm (10.4 in) of rain over 25 days, whereas April has only 89 mm (3.5 in) of precipitation across 11 days, resulting in a stark difference in humidity levels—60% in June versus 30% in April. For more detailed information, you can check the weather patterns for Kolkata weather in April.
In comparing the weather between June and May, we see both similarities and differences. June experiences slightly higher minimum temperatures at 25°C (77°F) compared to May's 22°C (72°F), yet both months share the same average temperature of 30°C (87°F). May does boast a marginally higher maximum temperature of 40°C (103°F) versus June's 39°C (102°F). However, June significantly surpasses May in terms of precipitation, with 265 mm (10.4 in) over 25 days, compared to May's 132 mm (5.2 in) over just 14 days. Interestingly, humidity levels are slightly higher in June at 60%, compared to 56% in May. For more detailed insights, you can refer to Kolkata weather in May.
In comparing the weather of June and July, we see that both months experience high temperatures, although July is slightly cooler, with a maximum of 36°C (97°F) compared to June's peak of 39°C (102°F). The minimum temperature in July rises to 26°C (78°F), while June starts at 25°C (77°F). However, July is notable for its increased precipitation, receiving 353 mm (13.9 in) over 29 days, compared to June's 265 mm (10.4 in) over 25 days, leading to higher humidity levels in July at 84%, compared to June’s 60%. For more details, check out Kolkata weather in July.
June and August present distinct weather patterns, with June generally warmer and drier than August. In June, temperatures range from a minimum of 25°C (77°F) to a maximum of 39°C (102°F), accompanied by an average of 30°C (87°F). However, it experiences substantial rainfall with 265 mm (10.4 in) over 25 days and humidity at 60%. By contrast, August sees slightly cooler temperatures, with a minimum of 25°C (78°F) and a maximum of 36°C (97°F), averaging at 29°C (85°F). Precipitation increases significantly to 353 mm (13.9 in) over 30 days, and humidity rises to a steamy 86%. For more insights on August's weather in Kolkata, you can visit Kolkata weather in August.
In June, the weather is characterized by high temperatures, with minimums around 25°C (77°F), average highs of 30°C (87°F), and peaks reaching up to 39°C (102°F). The month also sees significant rainfall, totaling 265 mm (10.4 in) across 25 days, combined with a moderate humidity level of 60%. In contrast, September offers slightly cooler conditions, with minimum temperatures remaining at 25°C (77°F) and average temperatures dropping to 29°C (85°F), maxing out at 35°C (96°F). Precipitation increases to 278 mm (10.9 in) over 27 days, accompanied by a notable rise in humidity to 86%. For more detailed climate information, check out Kolkata weather in September.
June and October present contrasting weather patterns in terms of temperature, precipitation, and humidity. In June, temperatures soar with a minimum of 25°C, averaging 30°C, and peaking at a high of 39°C, while the month is characterized by significant rainfall, totaling 265 mm over 25 days. The humidity hovers around 60%, contributing to a sweltering atmosphere.
In comparison, October experiences milder temperatures, with a minimum of 20°C, an average of 28°C, and a maximum of 36°C. The precipitation decreases to 178 mm across 16 days, and humidity rises considerably to 83%, creating a more humid environment. For a detailed look at the weather patterns in October, check out Kolkata weather in October.
In June, the weather is characterized by high temperatures, with a minimum of 25°C (77°F) and an average of 30°C (87°F), peaking at 39°C (102°F). The month is also quite humid, with a humidity level of 60%, and experiences considerable rainfall at 265 mm (10.4 in) over 25 days. In contrast, November offers a much cooler 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 humidity increases to 73%, but the rainfall significantly decreases to only 51 mm (2.0 in) over just 3 days, making it a drier month overall. For a more detailed look at the weather in November, check out Kolkata weather in November.
June and December present vastly different weather conditions. In June, temperatures soar with a minimum of 25°C (77°F), averaging around 30°C (87°F), and peaking at a scorching 39°C (102°F). The month is marked by significant rainfall, with 265 mm (10.4 in) of precipitation occurring over 25 days, along with high humidity levels at 60%. In contrast, December offers a much cooler climate, with temperatures ranging from a low of 10°C (51°F) to an average of 20°C (68°F) and a maximum of 30°C (86°F). Precipitation is minimal at 51 mm (2.0 in) over just 2 days, and humidity slightly increases to 69%. For more detailed information, you can visit Kolkata weather in December.
As June descends upon Kolkata, the city experiences a significant shift in weather patterns. The sweltering heat, with temperatures reaching highs of 39°C (102°F), marks the onset of monsoon season, contrasting sharply with the milder temperatures of previous months. This month is characterized by high humidity levels around 60% and frequent downpours, accumulating an average precipitation of 265 mm (10.4 in) over about 25 days. While daytime heat can feel oppressive, the embrace of the rains brings a welcome relief and rejuvenation to the city's landscape. Whether you're navigating the bustling streets or seeking respite indoors, June’s climate offers a unique blend of intense warmth and refreshing showers that define Kolkata's transition into monsoons. For more details, explore Kolkata Climate.