Last updated: August 21, 2025
October in Kolkata, India, presents a vibrant transition as the city experiences a blend of warmth and humidity. With maximum temperatures soaring up to 36°C (97°F) and an average of 28°C (83°F), the month remains characterized by its tropical flair. However, the evenings bring a refreshing respite with minimum temperatures dipping to 20°C (68°F). Rain is quite frequent, with 178 mm (7.0 in) of precipitation spread over 16 days, contributing to the lush greenery for which Kolkata is renowned. As humidity levels hover around 83%, the weather captures the essence of a quintessential Indian monsoon city, making October a unique time to experience Kolkata's cultural and natural beauty.
As October settles in Kolkata, the city experiences a delightful shift in temperatures. With minimums hovering around 20°C (68°F) and averages reaching 28°C (83°F), the intense summer heat gradually subsides, paving the way for more comfortable conditions. The maximum temperatures can still touch 36°C (97°F), reminiscent of the lingering warmth from previous months, but the overall climate begins to feel more inviting. This transition marks a welcome respite from the sweltering summer, making October an ideal time to explore the vibrant streets and rich culture of Kolkata. The crisp air and manageable warmth create a perfect backdrop for outdoor activities, as the city gears up for the festive season ahead.
In October, Kolkata experiences a notable shift in its precipitation pattern, with an average rainfall of 178 mm (7.0 in) spread over 16 days. As the city transitions from the sweltering summer months to the cooler season, the rain begins to lessen compared to the preceding monsoon peak in July and August, which each garnered 353 mm (13.9 in). However, this month still retains a substantial amount of moisture, significantly more than the drier months of November and December, which see only 51 mm (2.0 in) each. The decrease in rainfall days from 29 in July to 16 in October reflects a gradual retreat of the monsoon, yet the lingering humidity continues to characterize the city’s climate, preparing residents for the upcoming transition into winter.
As autumn settles in, October in Kolkata presents a unique blend of balmy temperatures and high humidity, hovering at around 83%. This marks a slight decline from the peak levels experienced during the monsoon months of July and August, which saw humidity soar to 84% and 86% respectively. Interestingly, humidity levels in Kolkata begin to gradually increase starting from May, peaking in the late summer, before beginning to taper off in November. The transition into autumn showcases a lingering stickiness in the air, as the city bids farewell to the heavy rains while still holding onto a touch of that moisture, providing a vivid reminder of its tropical climate.
In Kolkata, the UV Index reflects a notable pattern as the year progresses, particularly peaking during the hot summer months. By October, the UV Index stands at 11, categorizing it as extreme with a burn time of just 10 minutes. This marks a slight decrease from the relentless 13 recorded in the preceding months, but it still emphasizes the need for vigilance against sun exposure. As temperatures begin to cool down, the UV Index transitions to a less critical range in November, dropping to 7. Overall, the data underscores the importance of protective measures, especially during the sweltering summer months and in early autumn. For more information on the UV Index trends throughout the year, visit Kolkata UV Index.
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In October, Kolkata basks in 289 hours of sunshine, making it a delightful time for outdoor activities and cultural festivities. As the monsoon recedes, the city experiences an uplift in sunlight after the damp months of July and August, when sunshine hours dipped to 277 and 293 respectively. The gradual rise from September’s 272 hours to October's numbers suggests a significant transition towards longer, sunnier days, a trend that continues through the end of the year. This month, with its pleasant weather and vibrant atmosphere, serves as a reminder of the beauty of autumn in Kolkata, inviting locals and visitors alike to revel in the warm, golden rays that usher in the festive spirit.
As October arrives in Kolkata, the likelihood of sunny weather significantly shifts, standing at a balanced 50% chance of sunshine. This marks a notable transition from the oppressive monsoon months, where chances plummet to a mere 6-9%. As the rains recede, the city begins to glimpse the brighter skies reminiscent of the preceding winter months, where sunny probabilities return to 66% in November. October essentially serves as a bridge, with its just-above-average sunshine offering a refreshing contrast to the dampness that characterized the previous months and a hint of the more pleasant days to come.
As October unfolds in Kolkata, the city experiences a slight decline in daylight duration, with around 11 hours of sunlight each day. This month transitions from the longer days of summer, peaking in May and June with a generous 13 hours of light. As the year progresses from the equinox, daylight gradually tapers off. Interestingly, October’s daylight duration mirrors that of November, reflecting the approach of winter. The trend reveals a rhythmic cycle of light that dances throughout the year, with January and December each offering just 10 hours, while the peak summer months bask in extended sunshine. Thus, October serves as a fascinating pivot point in Kolkata’s annual daylight saga, bridging the warmth of summer with the forthcoming coolness of winter.
As October arrives in Kolkata, the gentle breeze begins to slow down, with average wind speeds dropping to 2.0 m/s (4 mph). This decline marks a noticeable shift from the breezier summer months, where speeds often reached up to 3.3 m/s in May. After a summer filled with fluctuating winds, October’s calmness hints at the city’s transition into a more tranquil phase leading into winter. Interestingly, this slight drop reflects a broader trend as the year progresses, with November following closely behind at 1.9 m/s. As the winds soften, Kolkata's vibrant streets become enveloped in a serene atmosphere, inviting residents and visitors alike to enjoy the city's charm in the mild October air.
Weather in Kolkata varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Kolkata, focusing on differences in temperature, rainfall, humidity, and UV levels.
October and January present contrasting weather conditions. In October, temperatures range from a comfortable minimum of 20°C (68°F) to a scorching maximum of 36°C (97°F), with an average of 28°C (83°F). This month experiences significant rainfall, totaling 178 mm (7.0 in) over 16 days, and the humidity is quite high at 83%, contributing to a muggy atmosphere.
In stark contrast, January brings cooler temperatures with a minimum of 10°C (50°F) and a maximum of 31°C (89°F), showcasing an average of 19°C (66°F). Rainfall is minimal, with only 6 mm (0.2 in) falling over just one day, and the humidity drops to a more comfortable 55%. For a closer look at the weather in January, you can check Kolkata weather in January.
October and February present contrasting weather patterns in terms of temperature and moisture levels. In October, temperatures range from a minimum of 20°C (68°F) to a maximum of 36°C (97°F), with an average of 28°C (83°F). This month witnesses significant rainfall, with a total precipitation of 178 mm (7.0 in) over 16 days, contributing to a high humidity of 83%. In stark contrast, February features cooler temperatures, with a minimum of 10°C (51°F) and a maximum of 35°C (96°F), averaging around 22°C (72°F). The month is much drier, recording only 20 mm (0.8 in) of rainfall over just 1 day, and boasts lower humidity levels at 45%. For more detailed insights, you can explore Kolkata weather in February.
In October, the weather tends to be warmer and more humid, with temperatures ranging from a minimum of 20°C (68°F) to a maximum of 36°C (97°F) and an average of 28°C (83°F). This month also experiences significant rainfall, with 178 mm (7.0 in) of precipitation over about 16 days, resulting in a humidity level of 83%. In contrast, March offers slightly cooler temperatures, with a minimum of 16°C (61°F), an average of 27°C (81°F), and a maximum of 37°C (100°F). Precipitation drops sharply to 43 mm (1.7 in) over just 5 days, contributing to a much lower humidity level of 32%. For more detailed insights, you can check Kolkata weather in March.
In comparing the weather of October and April, notable differences emerge. October experiences a range of temperatures with a minimum of 20°C (68°F) and an average of 28°C (83°F), while April is slightly warmer, boasting an average temperature of 30°C (86°F) and a maximum reaching up to 39°C (103°F). Precipitation also varies significantly between the two months; October is much wetter, with 178 mm (7.0 in) falling over 16 days, compared to April's 89 mm (3.5 in) over just 11 days. Additionally, October's humidity is notably higher at 83%, whereas April enjoys a much lower humidity level of 30%. For a closer look at how Kolkata's weather unfolds in April, you can refer to Kolkata weather in April.
October and May showcase distinct climatic differences. In October, temperatures range from a minimum of 20°C (68°F) to a maximum of 36°C (97°F), with an average of 28°C (83°F), accompanied by high humidity levels of 83%. The month also experiences significant rainfall, totaling 178 mm (7.0 in) over approximately 16 days. In contrast, May tends to be warmer, with temperatures starting at 22°C (72°F) and reaching up to 40°C (103°F), averaging 30°C (87°F). The humidity in May is considerably lower at 56%, and it receives less precipitation, with 132 mm (5.2 in) over about 14 days. For more details on May weather, you can check Kolkata weather in May.
In comparing the weather of October and June, we see notable differences in temperature, precipitation, and humidity. October experiences slightly lower temperatures, with a minimum of 20°C (68°F) and a maximum of 36°C (97°F), while June tends to be hotter, starting from a minimum of 25°C (77°F) and peaking at 39°C (102°F). Precipitation is also higher in June, which receives 265 mm (10.4 in) over 25 days, compared to October's 178 mm (7.0 in) over 16 days. Additionally, October is more humid, with an average humidity of 83%, compared to June's 60%. For more details, you can check Kolkata weather in June.
In comparing the weather of October and July, October experiences slightly cooler temperatures, with a minimum of 20°C (68°F) compared to July's minimum of 26°C (78°F). The average temperature in October is comfortable at 28°C (83°F), while July averages slightly warmer at 30°C (86°F). Both months see a maximum temperature of 36°C (97°F). However, July is significantly wetter, receiving 353 mm (13.9 in) of precipitation over 29 days, while October has less rainfall at 178 mm (7.0 in) spread over 16 days. Humidity remains comparable, with October at 83% and July at 84%. For a more detailed look at July's conditions, you can visit Kolkata weather in July.
In October, the weather in Kolkata features milder temperatures compared to August, with minimums around 20°C (68°F) and average highs at 28°C (83°F). While both months can reach up to 36°C (97°F), October experiences significantly less rainfall, totaling 178 mm (7.0 in) over just 16 days, compared to August's 353 mm (13.9 in) across 30 days. Humidity remains relatively high in both months, with October at 83% and August slightly higher at 86%. For more detailed insights into August weather, you can visit Kolkata weather in August.
In comparing the weather conditions of October and September, October boasts slightly cooler temperatures, with a minimum of 20°C (68°F), an average of 28°C (83°F), and a maximum of 36°C (97°F). In contrast, September presents warmer minima of 25°C (77°F) and a higher average temperature of 29°C (85°F). Additionally, October experiences reduced precipitation at 178 mm (7.0 in) over 16 days, while September sees significantly more rain, totaling 278 mm (10.9 in) across 27 days. Humidity levels are relatively similar, with October at 83% and September at 86%. For a more detailed look at the conditions, you can refer to Kolkata weather in September.
October and November exhibit notable differences in weather patterns. October typically experiences warmer temperatures with a minimum of 20°C (68°F) and an average of 28°C (83°F), peaking at 36°C (97°F). This month also sees substantial rainfall, with 178 mm (7.0 in) spread over 16 days, resulting in high humidity levels at 83%. In contrast, November brings a cooler and more comfortable climate, with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 33°C (92°F) and an average of 24°C (76°F). Rainfall decreases significantly to just 51 mm (2.0 in) over 3 days, accompanied by a drop in humidity to 73%. For more detailed weather information, check out Kolkata weather in November.
October and December present a striking contrast in weather patterns. In October, the temperatures range from a minimum of 20°C (68°F) to a scorching maximum of 36°C (97°F), with an average of 28°C (83°F). This month also sees significant rainfall, with 178 mm (7.0 in) of precipitation spread over 16 days, contributing to a high humidity level of 83%. In comparison, December boasts much cooler temperatures, with a minimum of 10°C (51°F) and a maximum of 30°C (86°F), averaging around 20°C (68°F). The month is notably drier, receiving only 51 mm (2.0 in) of rain over just 2 days, and the humidity drops to a more comfortable 69%. For more detailed insights, check out Kolkata weather in December.
As October rolls in, Kolkata experiences a unique transition from the sweltering summer heat to the more temperate autumn climate. Temperatures dip slightly, providing a welcome relief with average highs around 28°C and cooler nights at 20°C. However, this month is marked by significant precipitation, with 178 mm of rainfall over approximately half the days, lending a lush freshness to the city. The humidity, hovering around 83%, can still feel heavy at times, but the overall weather is more bearable compared to the peak summer months. For those looking to understand the full spectrum of weather variations in this vibrant city, visit Kolkata Climate.