Last updated: January 18, 2025
The Rajshahi Division of Bangladesh showcases a distinctive Köppen-Geiger climate classification, primarily featuring Aw (tropical savanna) and Cwa (humid subtropical) zones. This region experiences a seasonal temperature variation, with a minimum recorded temperature of 6°C (44°F) in January, escalating to an impressive maximum of 41°C (105°F) in April. The overall average temperature hovers around 26°C (78°F), illustrating the division's characteristic warm climate, influenced by its geographical position and seasonal shifts. Such climatic conditions underscore the need for a nuanced understanding of weather patterns and their potential impacts on local ecosystems and agriculture.
In Rajshahi Division, Bangladesh, temperature patterns exhibit a distinct seasonal progression throughout the year. The coldest month, January, sees minimums dip to 6°C (44°F), gradually rising as February warms to an average of 20°C (69°F). By March, temperatures climb significantly, with maximums reaching 37°C (98°F), signaling the onset of the hot season. April marks the peak of this heat, with temperatures soaring to a maximum of 41°C (105°F), followed closely by May, which maintains similarly high readings. The onset of the monsoon in June introduces a slight decrease in maximum temperatures, stabilizing around 40°C (104°F). As the season progresses into July and August, temperatures remain consistently warm, though with increased humidity. By the time autumn arrives in September and October, a gradual cooling trend becomes evident, culminating in November with average temperatures of 23°C (74°F), before the cycle resets in December, as the region transitions back to its cooler winter months.
In January, both Bogra and Mahasthangarh experience a minimum temperature of 7°C (44°F), while Rajshahi sees a slightly warmer minimum of 7°C (46°F). As April arrives, maximum temperatures rise significantly, with Bogra and Mahasthangarh reaching 38°C (101°F) and Rajshahi peaking at 40°C (105°F). For more detailed temperature insights, visit the monthly temperatures in Bogra, Rajshahi, and Mahasthangarh links.
Precipitation in Rajshahi Division, Bangladesh, showcases a pronounced seasonal pattern, with minimal rainfall recorded during the winter months. January and February are particularly dry, receiving just 4 mm (0.2 in) and 19 mm (0.7 in) of rain, respectively. As the season transitions into spring, March sees a slight uptick in precipitation to 31 mm (1.2 in). However, the onset of the monsoon season in April heralds a dramatic change, with rainfall soaring to 164 mm (6.4 in), and reaching its zenith in June and July, where averages peak at 335 mm (13.2 in) and 344 mm (13.5 in), respectively.
The distribution of rainy days further highlights this climatic trend, as April begins to experience about 15 days of rainfall, leading to May's 23 days. The months of June and July see the highest frequency, with 26 and 27 days of rain, contributing to the overall high precipitation totals. Following the peak monsoon months, rainfall begins to taper off in August and September, with 268 mm (10.5 in) and 232 mm (9.1 in) recorded, before descending sharply in October to 152 mm (6.0 in). The dry season returns, bringing diminutive totals of 8 mm (0.3 in) in November and 15 mm (0.6 in) in December, reinforcing the division's characteristic wet and dry seasonal cycle.
In Rajshahi Division, Bangladesh, sunshine duration exhibits a clear seasonal progression, reflecting the region's climatic characteristics. The year begins in January with 237 hours of sunlight, gradually increasing as winter gives way to spring. February and March witness marked growth, peaking at 329 hours in March, making it the sunniest month in the early year. As April approaches, the duration slightly declines to 307 hours, but this dip is temporary as the region transitions toward the summer months. Despite the onset of the rainy season, May continues to offer a substantial 297 hours of sunshine, ensuring a healthy balance of light during the pre-monsoon period.
As the monsoon season unfolds in June and July, sunshine hours do experience a decline, reflecting the increased cloud cover and rain associated with these months, dropping to 286 hours and 256 hours, respectively. However, August sees a resurgence with 284 hours of sunlight, followed by September with 271 hours. The transition into autumn restores even more sunshine, as October and November both boast 288 hours and 289 hours. Overall, Rajshahi Division benefits from a robust annual average of sunshine, with the peak months of March and April promoting vibrant agricultural conditions, while the lesser sunlight in the monsoon months underscores the interplay between rainfall and solar exposure in this region.
The UV Index in Rajshahi Division, Bangladesh, exhibits significant seasonal variability, reflecting the region's climatic conditions and positioning in relation to the sun. Starting the year, January experiences a moderate UV Index of 5, requiring around 30 minutes for skin to burn. However, as February arrives, the UV Index climbs to 7, indicating a high exposure level with a reduced burn time of 25 minutes. The transition into March signals a dramatic increase, reaching a very high UV Index of 9, and this increasing trend continues into April with a peak of 10. By May, the conditions shift to an extreme level, marked by a UV Index of 12, reducing the safe sun exposure time to just 10 minutes.
The summer months from June through September maintain this extreme UV Index at 12 to 13, highlighting the importance of sun protection during this time—only 10 minutes of unprotected sun exposure can lead to skin damage. October marks a slight decrease to an Index of 11, but exposure remains crucial. As autumn approaches in November, the Index returns to 8, with higher burn times, while December sees the first indicators of winter with a UV Index of 6. Overall, the UV Index data clearly emphasizes the need for sun safety, particularly during the peak months of March to October, where the risk of overexposure is significantly heightened.
UV Risk Categories
In Rajshahi Division, Bangladesh, daylight duration follows a distinct seasonal pattern that reflects the region's geographical location and climatic changes throughout the year. Starting in January, the average daylight lasts for 10 hours, gradually increasing to 11 hours in February as spring approaches. March sees a consistent 12 hours of daylight, which remains stable into April, signaling a period of ample light as the region transitions into warmer months. May marks the peak daylight duration at 13 hours, sustaining this optimal sunlight into June and July, crucial for agricultural activities and ecosystem vibrancy during the pre-monsoon and monsoon periods.
As the year progresses into late summer and autumn, daylight duration begins to taper off, with August returning to 12 hours. Following this, the months of September and October witness a further decline to 12 and 11 hours, respectively, as the days become shorter. By November and December, daylight once again averages 10 hours, mirroring the durations found in January. This cyclical pattern emphasizes the importance of understanding daylight variations for agricultural planning and daily lifestyle adjustments, highlighting how natural light influences not only the environment but also human activities throughout the seasons.
Bogra, Bangladesh experiences a tropical monsoon climate with distinct temperature and rainfall patterns throughout the year. Temperatures range from a cool 7°C (44°F) in January to a scorching 38°C (101°F) in April and May. The rainy season peaks from June to September, with July receiving the highest precipitation of 382 mm (15.0 in). Despite the rains, sunshine is abundant, especially in March, which boasts 329 hours of sunlight. For more detailed climate information, visit Bogra climate.
Mahasthangarh, Bangladesh experiences a tropical climate characterized by distinct wet and dry seasons. Temperatures range from a chilly 7°C (44°F) in January to a hot 38°C (101°F) in April, with average monthly temperatures generally between 17°C (63°F) and 30°C (86°F). The region receives substantial rainfall, particularly in May and July, with monthly precipitation peaking at 382 mm (15.0 in) in July. Sunshine is abundant, with March witnessing the highest hours at 329, while the drier months like November see significantly less rain and milder temperatures. For more detailed information, visit Mahasthangarh climate.
Paharpur, Bangladesh experiences a tropical climate characterized by hot summers and mild winters. January and February are cooler months, with temperatures ranging from 6°C to 32°C. As the year progresses, temperatures peak in April and May, reaching up to 38°C, accompanied by significant rainfall, particularly from June to September. Annual precipitation is highest during these monsoon months, with July averaging 357 mm. For more detailed information, visit Paharpur climate.
Rajshahi, Bangladesh, experiences a tropical climate characterized by distinct seasons and significant rainfall, particularly from May to July. Temperatures range from a chilly 7°C (46°F) in January to a scorching 40°C (105°F) in April, with a peak average of 30°C (86°F) during the summer months. Rainfall is abundant, with July typically recording the highest at 312 mm (12.3 in). The region benefits from ample sunshine, particularly in March, which boasts 331 hours of sun. For more detailed information, visit Rajshahi climate.
In conclusion, the climatic characteristics of Rajshahi Division, Bangladesh, reveal a complex interplay of temperature, precipitation, sunshine duration, UV Index, and daylight that collectively shape the region’s environment and influence agricultural productivity. The marked seasonal variations in temperature, with scorching summers and cooler winters, are complemented by significant rainfall during the monsoon months, providing essential moisture for crops. Meanwhile, the sunshine duration highlights the importance of light for growth, particularly during the peak months of May through July. Additionally, the UV Index data emphasizes the necessity of sun protection during the hotter months to mitigate health risks. Understanding these trends not only informs local agricultural practices and ecological considerations but also aids communities in adapting to seasonal changes, ultimately enhancing resilience in the face of climate variability.