January Weather in Dhaka, Bangladesh

Last updated: August 21, 2025

January in Dhaka, Bangladesh offers a refreshing winter climate, making it one of the most pleasant months of the year. The maximum temperature reaches a comfortable 29°C (85°F), while the average temperature hovers around 18°C (65°F), providing a delightful escape from the heat. Night temperatures can dip to a cool 9°C (48°F), making warm clothing a wise choice for evenings. Remarkably, January sees minimal precipitation, with only 3 mm (0.1 in) recorded and no rainy days, allowing for plenty of sunshine and outdoor activities. With a humidity level of 57%, the air feels crisp yet manageable, perfect for exploring the vibrant culture and stunning sights of the city.

January Temperature in Dhaka

In January, Dhaka experiences a gentle transition from the cooler winter months, with temperatures ranging from a crisp 9°C (48°F) at night to a warm 29°C (85°F) during the day. This month features an average temperature of 18°C (65°F), making it one of the more pleasant times to visit the city. As February approaches, the warmth begins to increase, bringing an average of 21°C (70°F) and maximum highs of 34°C (93°F). The rising temperatures continue their upward trend into March, where it peaks at 36°C (97°F)—signaling the onset of the hotter season. January's mildness is a stark contrast to the heat that envelops the city in the following months, illustrating Dhaka's transition from refreshing coolness to the sweltering heat of summer.

January Weather in Dhaka: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Dhaka, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dhaka, January 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 Dhaka generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Dhaka

In January, Dhaka experiences remarkably low precipitation, with only 3 mm (0.1 in) of rainfall recorded over the month and no rainy days to interrupt the cool, dry season. This pattern marks the tail end of the drier months before the onset of a more humid climate in February, which sees a slight rise in rainfall to 9 mm (0.4 in) and the first hint of rain. As the months progress, precipitation escalates dramatically, peaking in the monsoon months of June and July, where the city grapples with over 400 mm (15.9 in) of rain. The increasing trend of rainfall from March through September underscores Dhaka's transition from the dry spell of winter into a lush, water-laden summer, with each month bringing a growing frequency of showers that culminate in the intense monsoon season.

January Precipitation Trends in Dhaka

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

January Humidity in Dhaka

In January, Dhaka experiences a moderate humidity level of 57%, setting the tone for the month. As the year progresses, this figure drops to a drier 50% in February and reaches its lowest point of 41% in March, suggesting a brief respite from the muggy air. However, as temperatures rise into April and May, humidity makes a notable comeback, climbing to 69% in May, heralding the onset of the monsoon season. From June to September, the city endures its most humid months, with levels peaking at 82% in September, creating a tropical feel that persists through the rainy season. As the year winds down, humidity begins to gradually decrease, with October at 78% and November sliding to 68%, before finally settling at 64% in December. This yearly rhythm of humidity highlights Dhaka's transition from dry spells to a lush, humid climate, showcasing the city's dynamic weather patterns.

January Average Humidity in Dhaka

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

January UV Index in Dhaka

In January, Dhaka experiences a moderate UV Index of 5, making this month relatively gentle for sun exposure, with a burn time of approximately 30 minutes. As the year progresses into February, the UV Index climbs to 7, indicating a transition to high exposure, with a reduced burn time of 25 minutes. By March and April, the UV Index reaches 9, entering the very high category, and sun safety becomes increasingly crucial as burn time drops to just 15 minutes. The peak of UV intensity arrives in May and June, with the UV Index soaring to an extreme level of 12 and 13, respectively, where only 10 minutes of exposure is safe. This intense exposure continues through July to September, before tapering off in the later months of the year. In October, November, and December, the UV Index remains high to moderate, allowing for slightly longer safe exposure times. As the dynamic UV landscape in Dhaka evolves month by month, staying informed about the UV Index is essential. For comprehensive details, visit Dhaka UV Index.

Maximum UV Index Levels in Dhaka for January

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

January Sunshine in Dhaka

In January, Dhaka basks in an impressive 238 hours of sunshine, setting a bright tone for the year ahead. As the weeks roll into February, the city enjoys a surge to 282 hours, heralding the promise of longer days. The trend continues to climb through March with 325 hours, reaching its zenith as the warmth of spring approaches. April and May maintain this sunny momentum with 315 and 317 hours respectively, while the high humidity of the looming monsoon causes a slight dip in June and July to 264 and 265 hours. However, by August and September, Dhaka rebounds with 287 and 279 hours, showcasing the resilience of sunshine even in shifting seasons. The city wraps up the year with a consistent glow of 291 hours in October, tapering slightly to 285 in November and 278 in December, promising a vibrant outlook as the new year dawns once more.

Monthly Sunshine Duration in Dhaka: January Highlighted

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

Chance of Sun in Dhaka During January

In Dhaka, Bangladesh, January boasts a remarkable 84% chance of sunny weather, making it one of the sunniest months of the year. This trend continues into February, where the likelihood increases slightly to 85%. However, as the seasons shift, the sunniest days become less frequent; by March, the probability drops to 77%, and further declines through April at 72%. The contrast becomes even starker as the rainy season approaches, with May seeing only 52% sunny days. As we move into the monsoon months of June and July, sunshine becomes a rarity, with probabilities plummeting to 12% and 4%, respectively. The sunny days cautiously return in the later months, peaking again at 74% in November, before closing the year with a healthier 63% in December. Overall, January serves as a golden gateway to the sun-soaked months ahead, offering a delightful reprieve before the onslaught of the rainy season.

Percentage of Sunny Days in January in Dhaka

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

Daylight Hours in Dhaka in January

In Dhaka, Bangladesh, January marks the beginning of the year with 10 hours of daylight, a time when the days are still relatively short. As the months progress into February and March, the duration of daylight gradually increases, reaching 12 hours in March. This trend of lengthening days continues into April and holds steady for much of the spring and early summer, with 13 hours of daylight dominating from May through July. As summer transitions to autumn, daylight begins to wane, with hours dipping back to 12 in August and September, and further declining to 10 hours by November and December. This rhythmic fluctuation in daylight duration paints a vivid picture of the changing seasons in Dhaka, highlighting the city's dynamic relationship with the sun throughout the year.

Average Daylight Hours in Dhaka for January

The chart illustrates the variation in daylight duration in Dhaka throughout the year, with January 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: Dhaka daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Dhaka

In January, Dhaka experiences a gentle breeze with an average wind speed of 1.9 m/s (4 mph), setting the tone for a calm start to the year. This tranquil wind pattern persists into February and March, where speeds remain steady at 2.1 m/s (5 mph). As the seasons shift towards the warmer months, a gradual increase in wind speed becomes noticeable, reaching 2.4 m/s (5 mph) by May. The landscape changes dramatically in June, when the winds pick up to 3.5 m/s (8 mph), signaling the onset of the monsoon season. While the wind speeds fluctuate throughout the summer and into the autumn months, they return to a more moderate pace by December, echoing the calmness of January. This progression not only highlights the seasonal transitions in Dhaka but also paints a picture of how the wind complements the city’s vibrant climate year-round.

Average January Wind Speed in Dhaka

The chart displays monthly wind speed patterns in Dhaka, with values for each month shown alongside January's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how January's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.9 m/s2.12.12.32.43.53.22.82.11.81.81.9
Data source: Dhaka January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Dhaka Compares to Other Months

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

In January, the weather tends to be mild with minimum temperatures around 9°C (48°F) and an average that peaks at 18°C (65°F), reaching a maximum of 29°C (85°F). This month experiences minimal precipitation, with only 3 mm recorded and no rainy days, leading to a relatively comfortable humidity level of 57%.

In contrast, February brings warmer conditions, with average temperatures rising to 21°C (70°F) and maximums reaching 34°C (93°F). The month also sees a slight increase in precipitation, totaling 9 mm over just one day, and humidity drops to 50%, making the weather feel a bit drier. For more insights on February weather, check out Dhaka weather in February.

In January, the weather in Dhaka is quite mild, with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 29°C (85°F), accompanied by low humidity at 57% and minimal precipitation of only 3 mm (0.1 in) over 0 days. In contrast, March sees a significant rise in temperatures, where the minimum reaches 13°C (56°F) and the maximum soars to a scorching 36°C (97°F), resulting in a much warmer average of 26°C (79°F). However, March experiences increased rainfall, totaling 41 mm (1.6 in) over 7 days, and lower humidity at 41%. For more details about the climate in March, you can check Dhaka weather in March.

January and April exhibit striking contrasts in weather patterns. In January, temperatures range from a pleasant minimum of 9°C (48°F) to a comfortable maximum of 29°C (85°F), with an average of 18°C (65°F). Notably, January experiences minimal precipitation, recording only 3 mm (0.1 in) over the month, resulting in dry conditions and humidity at 57%.

In contrast, April showcases significantly higher temperatures, with a minimum of 18°C (65°F) and a scorching maximum reaching up to 38°C (101°F), averaging at 28°C (83°F). However, April is characterized by its pronounced rainfall, accumulating 206 mm (8.1 in) over approximately 15 days, leading to a lower humidity level of 45%. This dramatic shift emphasizes the transition from the cooler, drier start of the year to the hot, wet conditions typical of April. For more information, you can visit Dhaka weather in April.

In January, the weather in Dhaka is considerably milder, with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 29°C (85°F) and an average of 18°C (65°F). This month is characterized by low precipitation, with only 3 mm (0.1 in) recorded over zero rainy days and a humidity level of 57%. In contrast, May brings a significant increase in warmth and humidity, with temperatures soaring from a minimum of 20°C (68°F) to a sweltering maximum of 37°C (98°F), averaging 29°C (84°F). May is also much wetter, experiencing 266 mm (10.5 in) of rain over 21 days, and humidity levels rise to 69%. For more detailed information, you can visit Dhaka weather in May.

In January, the weather is notably mild, with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 29°C (85°F) and an average of 18°C (65°F). The month experiences almost no rainfall, with just 3 mm of precipitation and no rainy days, while humidity levels hover around 57%. In stark contrast, June brings much hotter temperatures, with a minimum of 24°C (76°F) and a peak of 36°C (97°F), averaging 29°C (85°F). However, June is also characterized by heavy rainfall, receiving a substantial 403 mm (15.9 in) of precipitation over 27 days, along with higher humidity levels at 72%. For more details on the weather during this month, you can check Dhaka weather in June.

In January, the weather in Dhaka is relatively mild, with average temperatures ranging from a low of 9°C (48°F) to a high of 29°C (85°F). This month typically experiences very little rainfall, with only about 3 mm of precipitation and no rainy days, resulting in a comfortable humidity level of 57%. In contrast, July brings significantly warmer temperatures, with averages between 25°C (77°F) and 37°C (99°F). Rain is much more frequent during this time, with a staggering 323 mm of precipitation spread over 28 days, leading to higher humidity levels at around 81%. For more detailed information, you can check Dhaka weather in July.

In January, the weather is pleasantly mild, with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 29°C (85°F) and an average of 18°C (65°F). This month experiences very little rain, with only 3 mm of precipitation and no rainy days, resulting in a comfortable humidity level of 57%. In stark contrast, August brings significantly higher temperatures, with minimums of 26°C (79°F) and maximums reaching up to 36°C (97°F), averaging around 29°C (85°F). August is also characterized by heavy rainfall, accumulating 252 mm (9.9 in) across 28 days, which raises the humidity to a steamy 78%. For more details on the climatic conditions during this month, visit Dhaka weather in August.

In January, the weather is mild and pleasant with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 29°C (85°F), accompanied by low humidity at 57% and virtually no precipitation. In stark contrast, September experiences much warmer temperatures, with a minimum of 25°C (77°F) and highs reaching up to 37°C (98°F). Additionally, September is characterized by significantly higher humidity at 82% and considerable rainfall, totaling 223 mm (8.8 in) over 24 days. For more detailed information, you can check Dhaka weather in September.

In January, the weather is typically mild with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 29°C (85°F), and little to no precipitation, just 3 mm over the month. The average temperature stands at a comfortable 18°C (65°F) with humidity at 57%. In contrast, October brings a much warmer and more humid climate, with temperatures fluctuating between a minimum of 20°C (69°F) and a maximum of 36°C (98°F). This month sees significant rainfall, totaling 179 mm over 15 days, and humidity levels rise to 78%. For a closer look at the weather in October, check out Dhaka weather in October.

January and November weather exhibit notable differences in temperature and precipitation. In January, the minimum temperature is around 9°C (48°F) with average highs reaching 29°C (85°F), and the month experiences very little rainfall, totaling only 3 mm over no rainy days. In contrast, November features warmer temperatures, with a minimum of 15°C (59°F) and average highs of 33°C (91°F). This month also sees a significantly higher rainfall, with 28 mm over two days, and higher humidity at 68%. For more detailed information, visit Dhaka weather in November.

In comparing the weather of January and December, January tends to be slightly cooler with an average temperature of 18°C (65°F) compared to December's average of 20°C (67°F). While January features minimal precipitation with just 3 mm (0.1 in) over 0 days, December experiences significantly higher rainfall at 55 mm (2.2 in) across 2 days. Additionally, January has a lower humidity level at 57%, contrasted with December's higher humidity of 64%. For more insights into December weather, you can check out Dhaka weather in December.

Compare Dhaka's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Dhaka

In January, Dhaka experiences a refreshing break from the sweltering heat typical of the other months. With pleasant temperatures averaging around 18°C (65°F) and a maximum of 29°C (85°F), this month provides a comfortable climate for outdoor activities. Notably, the absence of precipitation, with no rainy days recorded, and a moderate humidity level of 57% contribute to the overall inviting atmosphere. This distinctive combination makes January a unique time to explore the vibrant city, contrasting sharply with the heavier rains and higher temperatures of the summer months. For a deeper understanding of the climate throughout the year, visit Dhaka Climate.