October Weather in Chattogram, Bangladesh

Last updated: August 21, 2025

In October, Chattogram, Bangladesh experiences a warm and humid climate characterized by an average temperature of 28°C (83°F), with maximums reaching up to 32°C (90°F) and minimums dropping to 23°C (73°F). The month is marked by significant rainfall, receiving an average of 254 mm (10.0 in) of precipitation over approximately 17 days, contributing to a humidity level of 78%. This combination of warmth and rainfall creates a lush, vibrant atmosphere, making October a unique time to experience the natural beauty of Chattogram.

October Temperature in Chattogram

In October, Chattogram, Bangladesh, experiences a noticeable transition in temperatures, setting the stage for the cooler months ahead. With a minimum of 23°C (73°F) and an average temperature of 28°C (83°F), the weather remains warm yet more bearable compared to the sweltering summer. The maximum temperature peaks at 32°C (90°F), indicating that while the heat persists, it starts to tone down from the height of summer. This month serves as a gentle bridge between the searing heat of the preceding months and the cooler climes of November. As humidity levels begin to dip, October's climate becomes ideal for outdoor activities, making it a delightful time for both locals and visitors to explore the vibrant landscapes of Chattogram.

October Weather in Chattogram: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Chattogram, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chattogram, October typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec687178828483828283827871
Data source: Temperature data for Chattogram 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.

October Precipitation in Chattogram

In October, Chattogram experiences a significant increase in precipitation, recording 254 mm (10.0 in) over the course of 17 rainy days. This marks a notable decline from the intense rainfall of the preceding months, with July and June seeing peaks of 707 mm and 642 mm, respectively. However, October's rainfall still emphasizes the region's monsoon influence, contributing to the overall wet season that spans from June to September. Following October, precipitation drops dramatically as the city transitions into a drier November, with only 42 mm expected. Despite the tapering off, October serves as a crucial transitional period, maintaining the lush greenery typical of Chattogram while setting the stage for the cooler, less humid months ahead.

October Precipitation Trends in Chattogram

The chart displays monthly precipitation patterns in Chattogram, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Chattogram, October typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec7435711396427074463262544224
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Chattogram

As October rolls into Chattogram, Bangladesh, the city experiences a significant shift in humidity levels, maintaining a high average of 78%. This places October just slightly lower than the preceding months of July and September, which peak at 81% and 82% respectively. After the intense humidity of the monsoon season, October signals a gradual transition towards milder conditions. The surrounding months show a clear trend, with humidity starting its ascent in May and reaching its zenith in the summer months before beginning a slow decline towards the end of the year. Despite the lingering moisture in October, it remains a vibrant time in Chattogram as the city breathes in the aftermath of the heavy rains, preparing for the cooler and drier months ahead.

October Average Humidity in Chattogram

This chart illustrates the average monthly humidity levels in Chattogram, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Chattogram is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec57%50%41%45%69%72%81%78%83%78%68%64%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Chattogram

The UV Index in Chattogram, Bangladesh, exhibits a clear trend of increasing intensity from the start of the year to peak levels during the summer months. In January, the UV Index begins at a high level of 6, indicating a burn time of 25 minutes. As February rolls in, values rise sharply, reaching 8 and remaining in the very high category until April, where it stabilizes at a 10. The period from May to August showcases an alarming escalation, with the Index hitting a peak of 13, categorized as extreme, demanding less than 10 minutes of midday sun exposure without protection. As October arrives, the UV Index slightly dips to 11, but still remains in the extreme range. It’s critical for residents and visitors to stay vigilant and protect themselves from harmful rays, especially as they approach the year’s end. For more detailed information, visit Chattogram UV Index.

Maximum UV Index Levels in Chattogram for October

The chart shows the monthly maximum UV Index (UVI) for Chattogram in October, 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. In October, the maximum UV index in Chattogram typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec68101012131313121186
Data source: Chattogram October 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.

October Sunshine in Chattogram

In October, Chattogram basks in a delightful 295 hours of sunshine, marking a continuation of the bright trends experienced throughout the year. Following a summer surge, where the sun generously shared 345 hours in May, October maintains a healthy balance of light, contributing to the region's vibrant autumn atmosphere. The sunshine hours begin to dip slightly from the peak of summer but remain consistent compared to the preceding months, showcasing a charming transition into the cooler season. As the year progresses towards November's 296 hours, it’s clear that Chattogram enjoys a relatively bright and lively October, perfect for outdoor adventures and enjoying the stunning coastal beauty.

Monthly Sunshine Duration in Chattogram: October Highlighted

The October sunshine duration represents the total number of hours Chattogram experiences direct sunlight during the month of October, excluding cloudy or obstructed periods. This chart compares the sunshine duration of October with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec245h291h331h333h345h270h271h282h281h295h296h289h
Data source: Chattogram October Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Chattogram During October

October in Chattogram, Bangladesh, presents a notable shift in weather patterns as the monsoon season begins to wane. With a 45% chance of sunny weather, October balances between the heavy rains of the preceding months and the clearer skies that follow. This moderate likelihood of sunshine reflects a significant improvement compared to the drizzly summer months of June, July, and August, where sunlight was a rare occurrence, plunging to as low as 4% in July. As temperatures start to cool, October is poised for moments of warmth and sunlight, inviting residents and visitors alike to enjoy the emerging beauty of the season amid the transition.

Percentage of Sunny Days in October in Chattogram

The chart illustrates the percentage of sunny days in Chattogram throughout the year, with October 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 Chattogram experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec92%88%73%80%58%14%4%8%16%45%75%71%
Data source: Chattogram October chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Chattogram in October

As October unfolds in Chattogram, Bangladesh, daylight hours begin their gentle decline, offering 11 hours of light each day. This marks a shift from the sun-kissed summer months of June, July, and August, where daylight peaked at 13 hours. Following the vibrant blooms of May, with its generous daylight, October wears its transitional coat, leading into the cooler months ahead. In fact, the trend shows a steady reduction of sunlight as we approach winter, with daylight gradually tapering off to 10 hours by December. This rhythmic ebb and flow of daylight not only enhances the city’s natural beauty but also sets a picturesque backdrop for the changing season.

Average Daylight Hours in Chattogram for October

The chart illustrates the variation in daylight duration in Chattogram throughout the year, with October highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 55m11h 23m12h 1m12h 39m13h 11m13h 27m13h 19m12h 51m12h 14m11h 36m11h 3m10h 46m
Data source: Chattogram daylight hours, calculated by summing the hours between sunrise and sunset for each day.

October Winds in Chattogram

As October rolls into Chattogram, Bangladesh, the gentle embrace of autumn is marked by a decrease in average wind speed, settling at 2.8 m/s (6 mph). This shift reflects a transition from the blustery winds of the monsoon months, where June and July peaked at 5.8 m/s (13 mph) and 5.6 m/s (13 mph), respectively. Following September's slight drop to 3.8 m/s (8 mph), October introduces a calming lull, inviting residents and visitors alike to enjoy the serene atmosphere. As the year progresses from the vigorous gusts of summer to the more subdued breezes of autumn, October's winds usher in a refreshing change, hinting at the cooler months ahead.

Average October Wind Speed in Chattogram

The chart displays monthly wind speed patterns in Chattogram, with values for each month shown alongside October's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how October's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.03.33.73.84.05.85.64.93.82.8 m/s3.53.5
Data source: Chattogram October wind data, generated using information from the Copernicus Climate Change Service.

How October Weather in Chattogram Compares to Other Months

Weather in Chattogram varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Chattogram, focusing on differences in temperature, rainfall, humidity, and UV levels.

October and January offer markedly different weather conditions in Chattogram. October is characterized by warmer temperatures, with a minimum of 23°C (73°F) and average highs reaching 32°C (90°F), accompanied by significant rainfall of 254 mm (10.0 in) over an average of 17 days. The humidity during this month is also quite high at 78%, creating a warm and often sticky atmosphere.

In contrast, January presents a more temperate climate with cooler temperatures, where the minimum dips to 15°C (60°F) and the maximum reaches 27°C (81°F). Precipitation is minimal in January, with only 6 mm (0.3 in) falling on just one day, and the humidity decreases to a more comfortable 57%. For a more detailed look at January's weather, visit Chattogram weather in January.

October and February present contrasting weather patterns. In October, temperatures range from a minimum of 23°C (73°F) to a maximum of 32°C (90°F), with an average of 28°C (83°F). This month is marked by high humidity at 78% and significant rainfall, totaling 254 mm over 17 days. In stark contrast, February offers milder temperatures, with a low of 15°C (59°F) and a high of 28°C (82°F), averaging at 22°C (72°F). Precipitation is minimal in February, only 4 mm over just 1 day, and the humidity drops to a more comfortable 50%. For more detailed insights into February's climate, visit Chattogram weather in February.

October and March exhibit distinct weather patterns in terms of temperature, precipitation, and humidity. October generally experiences warmer conditions, with average temperatures around 28°C (83°F) and maximums reaching up to 32°C (90°F). In contrast, March has slightly cooler temperatures, averaging 26°C (78°F), with minimum temperatures around 19°C (66°F). Precipitation levels vary significantly as well; October sees heavy rainfall of 254 mm (10.0 in) over 17 days, while March is much drier with only 35 mm (1.4 in) across just 3 days. Furthermore, October has a higher humidity rate of 78%, compared to the comfortable 41% in March. For more detailed information, you can explore Chattogram weather in March.

In comparing the weather of October and April, we find that both months feature similar average temperatures around 28°C (83°F), but their overall conditions differ significantly. October experiences a higher humidity level at 78% alongside considerable rainfall, totaling 254 mm (10.0 in) over 17 days. In contrast, April boasts a drier atmosphere with only 71 mm (2.8 in) of precipitation over just 8 days and a much lower humidity level of 45%. April's maximum temperatures can also reach slightly higher at 33°C (92°F), making it feel warmer despite the minor difference in minimum temperatures. For more specifics on April's weather, visit Chattogram weather in April.

When comparing the weather in October and May, October features slightly cooler temperatures with a minimum of 23°C (73°F) and an average high of 32°C (90°F), while May offers a minimum of 24°C (75°F) and an average high of 33°C (92°F). Additionally, October experiences significantly higher precipitation, with 254 mm (10.0 in) falling over 17 days, compared to May's 139 mm (5.5 in) over 16 days. Humidity levels are also higher in October at 78%, compared to 69% in May. For more detailed information, you can check Chattogram weather in May.

October and June in Chattogram showcase distinct weather patterns. In October, temperatures range from a minimum of 23°C (73°F) to a maximum of 32°C (90°F), with an average of 28°C (83°F). The month experiences significant rainfall, totaling 254 mm (10.0 in) over 17 days, accompanied by high humidity at 78%. In contrast, June features warmer temperatures, with a minimum of 26°C (78°F) and a maximum of 31°C (89°F), while maintaining the same average of 28°C (83°F). However, June is notably wetter, receiving 642 mm (25.3 in) of rainfall across 27 days, and slightly lower humidity at 72%. For a more detailed overview, check out Chattogram weather in June.

In October, temperatures in Chattogram typically range from a minimum of 23°C (73°F) to a maximum of 32°C (90°F), with an average temperature of 28°C (83°F). The month experiences considerable rainfall, with 254 mm (10.0 in) of precipitation spread over 17 days and humidity levels around 78%.

In contrast, July sees slightly higher minimum temperatures at 25°C (78°F) and a maximum of 31°C (88°F), while still maintaining an average of 28°C (82°F). However, July is notably wetter, accumulating 707 mm (27.8 in) of precipitation over 30 days, resulting in a higher humidity of 81%. For more detailed information on Chattogram's weather in July, check the following link: Chattogram weather in July.

Overall, October presents milder and less humid weather compared to the significantly wetter and slightly warmer conditions experienced in July.

In comparing the weather patterns for October and August, we see notable differences despite similar average temperatures. October features a slightly milder temperature range, with a minimum of 23°C (73°F) and a maximum of 32°C (90°F), while August has a higher minimum of 26°C (79°F) and a maximum of 31°C (88°F). Precipitation levels are significantly higher in August, totaling 446 mm (17.5 in) over 29 days, contrasting with October's 254 mm (10.0 in) spread across 17 days. Both months exhibit the same humidity level of 78%, but October is generally less rainy, making it a preferable time for outdoor activities. For more detailed information on August weather, you can visit Chattogram weather in August.

In comparing the weather between September and October, we observe notable differences despite similar average temperatures. October experiences slightly lower minimum temperatures at 23°C (73°F), compared to September's 26°C (79°F), while both months share the same average and maximum temperatures of 28°C (83°F) and 32°C (90°F), respectively. Precipitation is considerably reduced in October, with 254 mm (10.0 in) falling over 17 days, in contrast to September's 326 mm (12.8 in) over 25 days. The humidity also drops slightly in October to 78%, compared to September's 82%. For more detailed information on September weather, you can visit Chattogram weather in September.

October and November exhibit notable differences in weather patterns. In October, temperatures range from a minimum of 23°C (73°F) to a maximum of 32°C (90°F), with an average of 28°C (83°F). This month is marked by heavy rainfall, totaling 254 mm (10.0 in) over 17 days and high humidity at 78%. In contrast, November sees a decline in both temperature and precipitation, with temperatures ranging from 20°C (67°F) to 30°C (87°F) and an average of 25°C (78°F). Rainfall significantly decreases to just 42 mm (1.6 in) over 4 days, and humidity drops to a more comfortable 68%. For a detailed look at November weather, you can visit Chattogram weather in November.

In October, the weather is notably warmer, with average temperatures ranging from a minimum of 23°C (73°F) to a maximum of 32°C (90°F). This month also experiences significant rainfall, accumulating around 254 mm (10.0 in) over approximately 17 days, resulting in high humidity levels of 78%. In contrast, December brings a cooler climate with temperatures dipping to a minimum of 16°C (61°F) and peaking at 28°C (83°F) on average. Additionally, December sees much less rainfall, with only about 24 mm (0.9 in) falling over just 2 days and lower humidity levels of 64%. For more details, you can visit Chattogram weather in December.

Compare Chattogram's Climate with Cities Worldwide

Conclusion: What to Expect From October Weather in Chattogram

October in Chattogram is a month of transition, as the sweltering heat of summer gives way to more temperate conditions. With an average temperature hovering around 28°C and maximums reaching up to 32°C, the warmth is still palpable, but not as extreme as in preceding months. This time of year also brings significant precipitation, with 254 mm of rain spread over about 17 days, adding a lush vibrancy to the landscape. Humidity remains high at 78%, giving the air a tropical feel, yet it's a period marked by a gradual retreat from the oppressive heat of the peak summer. For those planning a visit, October offers a unique blend of warmth and tropical freshness, an ideal setting to explore the region. Discover more about the overall climate in Chattogram at Chattogram Climate.