Last updated: January 18, 2025
The climate of Rangpur Division, Bangladesh is classified under the Köppen-Geiger system as Cwa, indicating a humid subtropical climate with distinct wet and dry seasons. Temperatures exhibit notable variability, with a minimum of 6°C (43°F) recorded in January, rising to an average of 25°C (77°F) throughout the year. The warmest month, April, witnesses peak temperatures reaching 39°C (103°F), emphasizing the region's seasonal extremes. This climate profile plays a significant role in shaping the local ecosystem and agricultural practices, highlighting the importance of understanding temperature dynamics in this area.
In Rangpur Division, Bangladesh, temperature patterns display a distinct seasonal progression throughout the year. The coldest month is January, where temperatures start at a minimum of 6°C (43°F) and reach a comfortable average of 17°C (63°F). As winter transitions to spring, February and March witness gradually rising temperatures, peaking at 39°C (103°F) in April, which marks the onset of the hotter season. May continues this upward trend but begins to stabilize as the monsoon approaches, with average temperatures around 27°C (81°F). The peak summer months of June through August maintain relatively high averages of 29-30°C (85-86°F) despite minor fluctuations. As the year progresses into autumn, temperatures begin to decline in October and further drop in November, bringing a return to cooler conditions and culminating in December's minimums of 7°C (45°F). This cyclical pattern underscores the region's marked climate variability influenced by seasonal transitions, essential for both ecological dynamics and agricultural cycles.
Dinajpur experiences a minimum temperature of 6°C (43°F) in January, rising to a maximum of 39°C (102°F) in April, providing a notable temperature range throughout the year; more details can be found at monthly temperatures in Dinajpur. In Rangpur, the temperature similarly varies with a low of 6°C (44°F) in January and a high of 37°C (100°F) in July, as detailed at monthly temperatures in Rangpur.
Rangpur Division experiences a distinct precipitation pattern throughout the year, with significant variations across the seasons. The dry winter months of January and February receive minimal rainfall, measuring 5 mm (0.2 in) and 24 mm (0.9 in), respectively. As spring arrives, precipitation gradually increases, with March recording 44 mm (1.7 in). The onset of the monsoon season in April marks a dramatic rise in rainfall, peaking at 154 mm (6.1 in), and continues to escalate through May, reaching a substantial 369 mm (14.5 in). This trend signifies the critical role of these months in replenishing water resources and supporting agriculture.
The intensity of rainfall persists into the peak monsoon months of June and July, with 394 mm (15.5 in) and 442 mm (17.4 in), respectively, where rainfall occurs on nearly every day, averaging 27 to 29 rainy days. Following this peak, August and September witness a decline in precipitation—372 mm (14.7 in) and 334 mm (13.2 in)—but still maintain a high frequency of rainy days. By October, rainfall decreases significantly, and the region returns to drier conditions in November and December, both registering only 5 mm (0.2 in) of precipitation. Overall, this seasonal cycle of rainfall is fundamental for sustaining the region's ecology and agricultural practices.
Rangpur Division experiences a notable variation in sunshine duration throughout the year, reflecting a clear seasonal trend. Starting with the winter months, January sees 237 hours of sunshine, gradually increasing in February to 279 hours. March marks the transition to spring, showcasing a significant jump to 330 hours, making it the month with the highest sunshine hours before the summer. April and May continue to enjoy substantial sunlight, with 312 hours and 306 hours, respectively. This period represents the peak of brightness, where the longer daylight hours contribute to warmer temperatures and vibrant agricultural activity.
However, as the monsoon season approaches, sunshine hours begin to decline. June experiences a decrease to 285 hours, while the months of July and August see a more pronounced reduction, with 233 hours and 270 hours. September offers a slight recovery with 265 hours, but the overall trend remains lower compared to the spring months. The autumn months of October and November regain some sunshine, recording 292 hours and 291 hours, respectively, while December concludes the year with 286 hours. This cyclical pattern emphasizes the importance of seasonal variations in sunlight for both ecological balance and agricultural planning in Rangpur Division.
The UV Index in Rangpur Division showcases a marked seasonal variation, correlating with changing weather patterns throughout the year. January starts at a moderate index of 5, allowing for a burn time of 30 minutes before skin damage can occur. As the calendar moves into February, the UV Index climbs to 7, categorizing it as high with a reduced burn time of 25 minutes. March signals a significant intensification as the UV Index reaches 8, classified as very high, further shortening burn time to 15 minutes. The peak arrives in May and June, where the index escalates to 11 and 12, marking an extreme level of exposure that reduces safe sun exposure to just 10 minutes.
The extreme UV conditions persist into July and August, with the index peaking at 13 in July before slightly decreasing again in August and September to 12. As the monsoon season approaches, the index still maintains high values, suggesting continued caution during this period. October sees a drop to 10, while November and December transition back into the high category with indices of 7 and 6, respectively, both allowing for a burn time of 25 minutes. This progression highlights the importance of sun protection strategies, particularly during the extreme months, to mitigate the risk of skin damage in the region.
UV Risk Categories
Daylight duration in Rangpur Division exhibits seasonal fluctuations that closely align with the progression of the year. In January, the region experiences approximately 10 hours of daylight, which gradually increases to 11 hours in February. The arrival of March ushers in the spring, showcasing a more substantial gain in daylight, reaching 12 hours. This increase stabilizes through April as daylight remains at 12 hours before extending to 13 hours in May, marking the onset of summer when longer days facilitate increased agricultural productivity and outdoor activities.
As summer progresses through June and July, daylight remains consistent at 13 hours, providing ample time for sun-dependent activities. However, with the approach of autumn in August, daylight hours begin to decline slightly to 12 hours, maintaining this duration through September. The decrease continues into October, yielding 11 hours, and finally, the year culminates in November and December, both returning to 10 hours of daylight. This cyclical pattern of daylight duration emphasizes the impact of seasonal changes on daily life and the rhythms of nature in Rangpur Division.
The climate in Dinajpur, Bangladesh, is characterized by distinct seasonal variations. Temperatures range from a minimum of 6°C (43°F) in January to a maximum of 39°C (102°F) in April. The region experiences significant rainfall, peaking in July with 418 mm (16.5 in), followed by a noticeable decrease in the drier months of November and December. Despite the heavy precipitation during the monsoon season, sunshine hours remain relatively high throughout the year, with March receiving the most at 329 hours. For more detailed information, visit Dinajpur climate.
Rangpur, Bangladesh experiences a tropical climate characterized by hot summers and mild winters. January sees minimum temperatures drop to 6°C (44°F), while peak summer months from May to August often reach highs of 36-37°C (97-100°F). The region receives substantial rainfall, particularly in May and July, with precipitation levels exceeding 400 mm (16 inches) during these months. Sunshine is plentiful, especially in March and February, with up to 329 hours recorded. For more detailed information, visit Rangpur climate.
In conclusion, the climatic dynamics of Rangpur Division, Bangladesh, reflect a complex interplay of temperature, precipitation, UV index, and daylight duration throughout the year. Characterized by humid subtropical conditions, the region experiences pronounced seasonal changes, including temperature fluctuations from the cooler winter months to the intense heat of summer. Precipitation patterns reveal a marked increase during the monsoon season, vital for agriculture and ecological balance. Additionally, the UV index highlights the importance of sun safety, particularly during the extreme exposure months. Together, these elements underscore the significance of understanding the local climate, as they play a crucial role in shaping agricultural practices, daily life, and environmental management strategies within Rangpur Division.