December Weather in Sonargaon, Bangladesh

Last updated: August 21, 2025

December in Sonargaon, Bangladesh, features mild and pleasant weather, making it an ideal time for exploration. With a maximum temperature reaching 30°C (87°F) and an average of 20°C (67°F), the days are warm yet comfortable. Nighttime brings cooler air, with temperatures dropping to a refreshing 10°C (50°F). While the month experiences 55 mm (2.2 in) of rain spread over just 2 days, the overall humidity remains at a moderate 64%, contributing to a vibrant atmosphere. Whether wandering through historical sites or enjoying local culture, December’s weather enhances the charm of Sonargaon, inviting visitors to experience its rich heritage.

December Temperature in Sonargaon

In December, Sonargaon, Bangladesh, experiences a delightful shift in temperatures as the year winds down. With a minimum of 10°C (50°F), the air turns crisp, while daytime warmth brings averages around 20°C (67°F), making it a comfortable escape from the previous month's heat. The maximum temperature reaches 30°C (87°F), indicating a noticeable drop from the sweltering conditions of summer. This month marks the transition into the cooler season, presenting an inviting climate perfect for exploration and outdoor activities. As December unfolds, this charming town offers a pleasant balance of comfort and warmth, setting the stage for the festive spirit of the end of the year.

December Weather in Sonargaon: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Sonargaon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sonargaon, December 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).
JanFebMarAprMayJunJulAugSepOctNovDec647078828484848585827567
Data source: Temperature data for Sonargaon 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.

December Precipitation in Sonargaon

December in Sonargaon experiences a marked shift towards cooler and drier conditions, receiving 55 mm (2.2 in) of precipitation over just 2 days. This is a notable decrease from the torrential rains of the preceding months, particularly June and July, which see the highest rainfall. The month of December acts as a transition, bridging the intense monsoon season and the drier winter months ahead. Compared to the heavier downpours of April with 206 mm (8.1 in) and May with 266 mm (10.5 in), December's precipitation is relatively modest, signaling a shift in both weather patterns and the landscape's vibrant greenery as it begins to settle into a quieter, more serene phase.

December Precipitation Trends in Sonargaon

The chart displays monthly precipitation patterns in Sonargaon, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Sonargaon, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec39412062674033232522231792855
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sonargaon

In December, Sonargaon experiences a humidity level of 64%, a noticeable rise compared to the dry months of January through April, which hover around the 50% mark. As the year progresses, humidity levels generally increase, peaking in the monsoon months of July and September, where they soar to an impressive 81% and 82%, respectively. As the climate transitions from the dry winter to the wet summer, December stands as a pivotal month where humidity begins to climb, signaling the approach of the humid season ahead. This trend highlights the region's shift towards a more tropical climate, offering a glimpse of the moisture-laden conditions that await in the coming months.

December Average Humidity in Sonargaon

This chart illustrates the average monthly humidity levels in Sonargaon, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Sonargaon 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 December generated using information from the Copernicus Climate Change Service.

December UV Index in Sonargaon

In Sonargaon, Bangladesh, the UV Index experiences significant fluctuations throughout the year, revealing a compelling trend in sun exposure. Starting in January with a moderate index of 5, the intensity gradually ramps up, peaking at an extreme 13 during the summer months from June to August, where even a brief 10-minute exposure can lead to skin damage. As the year transitions to winter, the UV Index begins to decline, reaching 6 in December, categorized as high, with a burn time of 25 minutes. This consistent rise and fall not only highlights the importance of sun safety practices throughout the year, particularly in the hotter months, but also emphasizes the need for awareness during the cooler months. For more detailed information, visit Sonargaon UV Index.

Maximum UV Index Levels in Sonargaon for December

The chart shows the monthly maximum UV Index (UVI) for Sonargaon in December, 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 December, the maximum UV index in Sonargaon typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec579912131313121176
Data source: Sonargaon December 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.

December Sunshine in Sonargaon

In December, Sonargaon, Bangladesh, experiences a warm embrace of sunlight, with 278 hours of shimmering daylight gracing the month. This marks a slight dip from the vibrant rays enjoyed in previous months, but still reflects a consistent trend of abundant sunshine throughout the year. As temperatures cool, December's sunlight beckons both locals and travelers, creating a picturesque backdrop for the rich history and culture of this ancient city. The hour counts remain significant, with only a modest decrease compared to the bustling sunlight of March and April, which boast the highest numbers. Thus, December serves as a gentle reminder that even in winter, the sun continues to shine bright in Sonargaon, offering a delightful blend of warmth and serenity.

Monthly Sunshine Duration in Sonargaon: December Highlighted

The December sunshine duration represents the total number of hours Sonargaon experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec238h282h325h315h317h264h265h287h279h291h285h278h
Data source: Sonargaon December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Sonargaon During December

In December, Sonargaon, Bangladesh, enjoys a 63% chance of sunny weather, making it a favorable time for outdoor activities as the year winds down. While the likelihood of sunshine is lower than earlier months like January and February, which boast probabilities of 84% and 85% respectively, December still surpasses the gloomier summer months characterized by a mere 4-12% chance of clear skies. This transitional month offers a pleasant balance, inviting both locals and visitors to experience the region's beauty under comparatively bright and cheerful weather, a welcome contrast to the more rainy seasons of mid-year.

Percentage of Sunny Days in December in Sonargaon

The chart illustrates the percentage of sunny days in Sonargaon throughout the year, with December 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 Sonargaon experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec84%85%77%72%52%12%4%6%15%53%74%63%
Data source: Sonargaon December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sonargaon in December

In Sonargaon, Bangladesh, the rhythm of daylight varies significantly throughout the year, creating a captivating seasonal dance. December marks the return to shorter days, with daylight lasting 10 hours, mirroring the durations of both January and November. As the year progresses from the light-filled months of May through July, where daylight peaks at a generous 13 hours, the progression shifts back to shorter days during late autumn and winter. This seasonal trend underscores a clear pattern: as the temperatures dip and the year comes to a close, so too does the duration of daylight, inviting a cozy embrace of the evening hours in this historical region.

Average Daylight Hours in Sonargaon for December

The chart illustrates the variation in daylight duration in Sonargaon throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 50m11h 20m12h12h 42m13h 16m13h 33m13h 24m12h 54m12h 15m11h 34m10h 59m10h 41m
Data source: Sonargaon daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Sonargaon

In December, the winds in Sonargaon, Bangladesh, are gentle, averaging 1.9 m/s (approximately 4 mph), mirroring the calm conditions of the preceding months, October and November. This consistent breeze marks the tail end of a gradually escalating trend over the summer months, where wind speeds peaked at 3.5 m/s (8 mph) in June. As the region transitions from the vibrant monsoon season, the cooler, drier air creates a serene atmosphere. With each passing month from January to May, there is a subtle increase in wind speeds, culminating in a peak during the summer before a gentle tapering off back into the stillness of winter. December's mild breezes serve as a peaceful reminder of the lively gusts of the past season, allowing for a moment of reflection in this historic landscape.

Average December Wind Speed in Sonargaon

The chart displays monthly wind speed patterns in Sonargaon, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.92.12.12.32.43.53.22.82.11.81.81.9 m/s
Data source: Sonargaon December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Sonargaon Compares to Other Months

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

In December, the weather tends to be slightly warmer with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 30°C (87°F), and an average temperature of 20°C (67°F). The month sees a moderate level of precipitation at 55 mm (2.2 in) over two days, and humidity levels are around 64%. In contrast, January experiences a slight dip in temperature, with a minimum of 9°C (48°F) and a maximum of 29°C (85°F), yielding an average temperature of 18°C (65°F). Notably, January is much drier, with only 3 mm (0.1 in) of precipitation and no rainy days. Additionally, humidity decreases to about 57%, making January feel a bit more comfortable overall. For more detailed information, you can refer to Sonargaon weather in January.

December and February both offer mild and pleasant weather, but there are some notable differences. In December, temperatures range from a minimum of 10°C (50°F) to a maximum of 30°C (87°F), with an average of 20°C (67°F). The month sees a total precipitation of 55 mm (2.2 in) over just 2 days and a humidity level of 64%. In contrast, February presents slightly warmer conditions with temperatures ranging from 9°C (48°F) to a maximum of 34°C (93°F) and an average of 21°C (70°F). February is significantly drier, with only 9 mm (0.4 in) of precipitation over 1 day and lower humidity at 50%. For more details about the weather in February, you can check Sonargaon weather in February.

In December, the weather is generally mild, with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 30°C (87°F) and an average of 20°C (67°F). This month experiences relatively low precipitation totals of 55 mm (2.2 in) over just two days and a higher humidity level of 64%. In contrast, March brings warmer conditions, with temperatures ranging from a minimum of 13°C (56°F) to a maximum of 36°C (97°F) and an average of 26°C (79°F). While March sees less overall precipitation at 41 mm (1.6 in), it is spread across more days, totaling seven days of rainfall, and features lower humidity at 41%. For more detailed insights into March weather, visit Sonargaon weather in March.

December and April exhibit notable differences in weather patterns. In December, temperatures range from a mild minimum of 10°C (50°F) to a maximum of 30°C (87°F), with an average of 20°C (67°F). The month sees relatively low precipitation, around 55 mm (2.2 in) over just 2 days, and the humidity stands at a comfortable 64%. In contrast, April experiences warmer temperatures, with a minimum of 18°C (65°F) and soaring to a maximum of 38°C (101°F), averaging 28°C (83°F). The month is significantly wetter, receiving around 206 mm (8.1 in) of rainfall spread over 15 days, while humidity drops to 45%. For more details on April weather, you can visit Sonargaon weather in April.

December and May showcase starkly contrasting weather patterns. In December, temperatures range from a minimum of 10°C (50°F) to a maximum of 30°C (87°F), with an average of 20°C (67°F), accompanied by relatively low precipitation of 55 mm (2.2 in) over just 2 days and humidity at 64%. In contrast, May brings significantly warmer temperatures, with a minimum of 20°C (68°F) and soaring to a maximum of 37°C (98°F), averaging 29°C (84°F). This month also experiences a substantial increase in rainfall, totaling 266 mm (10.5 in) spread across 21 days and slightly higher humidity at 69%. For more details about weather patterns, check out Sonargaon weather in May.

December and June present contrasting weather conditions. In December, temperatures range from a mild 10°C (50°F) at night to a warm 30°C (87°F) during the day, with an average of 20°C (67°F). The month is relatively dry, experiencing only 55 mm (2.2 in) of precipitation over just two days, alongside a humidity level of 64%. Conversely, June sees a significant increase in heat, with temperatures starting at 24°C (76°F) and peaking at a scorching 36°C (97°F), averaging 29°C (85°F). This month is also marked by considerable rainfall, with 403 mm (15.9 in) distributed over 27 days and higher humidity at 72%. For further details on the specific weather patterns, you can check Sonargaon weather in June.

December and July exhibit strikingly different weather patterns. In December, temperatures range from a mild 10°C (50°F) to a warm 30°C (87°F), with an average of 20°C (67°F). The month experiences relatively low precipitation at 55 mm (2.2 in) over just 2 days, and humidity is a comfortable 64%. In contrast, July brings significantly warmer conditions with minimum temperatures starting at 25°C (77°F) and peaking at a sweltering 37°C (99°F), averaging around 29°C (85°F). Rainfall is much more pronounced in July, with 323 mm (12.7 in) spread over 28 days and humidity levels rising to 81%. For those interested in more detailed insights, check out Sonargaon weather in July.

December and August experience starkly different weather patterns. In December, temperatures range from a mild 10°C (50°F) at night to a pleasant average of 20°C (67°F) during the day, with a maximum of 30°C (87°F). The month is relatively dry, receiving only 55 mm (2.2 in) of rain over about two days and a humidity level of 64%.

In contrast, August brings much warmer conditions, with nighttime lows starting at 26°C (79°F), peaking at an average of 29°C (85°F), and soaring to a high of 36°C (97°F). This month is much wetter, with 252 mm (9.9 in) of rainfall occurring over 28 days, along with increased humidity at 78%. For those interested in the specifics of August weather, you can find more details here: Sonargaon weather in August.

When comparing the weather in December and September, it's evident that December is significantly cooler and drier. December's temperatures range from a minimum of 10°C (50°F) to a maximum of 30°C (87°F), with an average of 20°C (67°F). The month experiences only 55 mm (2.2 in) of precipitation across just 2 days and a moderate humidity of 64%.

In contrast, September is characterized by much warmer temperatures, with a minimum of 25°C (77°F), an average of 29°C (85°F), and a high of 37°C (98°F). Precipitation is notably heavier in September, totaling 223 mm (8.8 in) over 24 days, accompanied by higher humidity levels at 82%.

For more detailed insights, you can refer to Sonargaon weather in September.

December weather is characterized by milder temperatures, with a minimum of 10°C (50°F) and an average of 20°C (67°F), compared to October's warmer conditions that see a minimum of 20°C (69°F) and an average of 28°C (83°F). Additionally, December experiences significantly less precipitation, with just 55 mm (2.2 in) falling over 2 days, while October is much wetter, receiving 179 mm (7.1 in) over 15 days. The humidity also drops in December to 64%, compared to October's higher humidity level of 78%. For more detailed insights, you can check Sonargaon weather in October.

In comparing the weather between November and December, December experiences slightly lower temperatures, with a minimum of 10°C and an average of 20°C, compared to November’s minimum of 15°C and average of 24°C. While December sees a maximum temperature of 30°C, November can reach as high as 33°C, making it generally warmer. Additionally, December has increased precipitation at 55 mm over 2 days, compared to November's 28 mm during the same number of days. Humidity is also slightly lower in December at 64%, versus 68% in November. For more detailed information, you can check the Sonargaon weather in November.

Compare Sonargaon's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Sonargaon

As December arrives in Sonargaon, the weather showcases a notable transition from the warmer months. With average temperatures settling around a comfortable 20°C (67°F), residents and visitors alike can enjoy milder days. The humidity begins to decrease slightly, offering a refreshing contrast to the sultry conditions often found in earlier months. Precipitation is relatively low, with just a couple of rainy days, making it an ideal time for outdoor activities and exploration of the region's rich history and culture. For a comprehensive understanding of what to expect year-round, check out the detailed insights on Sonargaon Climate.