Last updated: August 21, 2025
May in Sylhet, Bangladesh is characterized by a sultry climate, where temperatures soar to a maximum of 36°C (98°F), with an average of 27°C (80°F) and dipping to a minimum of 20°C (68°F). This month witnesses significant rainfall, accumulating a staggering 520 mm (20.5 in) over 27 days, fostering a lush and vibrant landscape. With humidity levels hovering around 79%, the atmosphere feels particularly muggy, reminding residents and visitors alike of the monsoon season approaching. The weather in May sets the stage for the region's unique beauty and cultural vibrancy amidst the abundant precipitation.
May in Sylhet, Bangladesh, marks a notable shift as temperatures rise significantly, with a minimum of 20°C (68°F) and a maximum reaching 36°C (98°F). This month witnesses an average temperature of 27°C (80°F), indicating a warm and humid climate in preparation for the monsoon season. As the city transitions from the milder temperatures of April to the heat of June, it's clear that May serves as a pivotal point, showcasing the increasing warmth that characterizes the region. The steady climb in temperatures throughout the spring hints at summer's imminent embrace, making May an enticing month for those drawn to the lush landscapes of Sylhet as they awaken in vibrant hues.
May marks a significant turning point in Sylhet, Bangladesh, as the region transitions into its monsoon season. With 520 mm (20.5 in) of rainfall over 27 days, May sees an uptick in precipitation that builds on the already substantial 503 mm in April. This increase not only enhances the lush greenery of the landscape but also signals the onset of heavier rains that follow in June, which typically averages 816 mm. The consistency of precipitation days in May showcases a notable trend: as the year progresses from January’s sparse 1 day of rain, the frequency and volume of rainfall increase dramatically, creating a rich tapestry of weather that characterizes the region's vibrant climate. This shift is crucial for agriculture and local ecosystems, setting the stage for the intense rainfall months ahead.
In May, Sylhet, Bangladesh experiences a notable increase in humidity, soaring to 79% after a steady decline from January's high of 76%. This shift marks a transition into the wetter season, as the lush greenery of the region begins to flourish. The humidity continues to rise in the following months, peaking in July at a staggering 91%, contributing to the region's reputation for having a tropical climate. This gradual climb, with June reaching 86%, signals the onset of the monsoon season, where the air feels notably heavier and moisture-laden. As the months progress, Sylhet's humidity remains high, staying above 88% through the end of the year, enveloping the area in a warm, humid embrace that is characteristic of its rich natural beauty.
In May, Sylhet experiences a significant surge in UV radiation, with an UV Index of 13—marking it as part of the extreme exposure category. This sharp increase compared to the preceding months highlights the need for heightened sun protection, as the potential for skin damage reduces burn time to just 10 minutes. As the region transitions into the sweltering months of June and July, the UV Index remains at an alarming level, sustaining its extreme classification. This trend illustrates a critical period of intense sun exposure, warranting precautions for both locals and visitors alike. For more in-depth information on daily UV levels, visit Sylhet UV Index.
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In May, Sylhet shines brightly with an impressive 311 hours of sunshine, contributing to a vibrant spring atmosphere. This month continues the trend of abundant sunshine from March, which recorded the highest at 333 hours, while April followed closely with 308 hours. As the year progresses, the sunlight begins to taper off during the summer months, evidenced by a drop in June to 253 hours, and further decline through July. However, May stands out as a pivotal month where the lingering warmth and bright days set the perfect backdrop for outdoor activities before the monsoon season arrives. This sunny interlude reflects the rich diversity of Sylhet’s climate throughout the year, inviting both locals and visitors to bask in its seasonal radiance.
In Sylhet, Bangladesh, the likelihood of sunny weather experiences a notable decline as spring transitions into summer. While the winter months boast impressive sun chances, with January and February at 87% and 85%, respectively, this optimism wanes by May, dropping to just 40%. This shift foreshadows the impending monsoon season, as June sees a stark decrease to 7%, indicating that clear skies become increasingly rare. Comparatively, sunny days are revitalized in October, where the chance rises to a more favorable 58%, hinting at the cyclical nature of Sylhet’s weather patterns. This trend underscores the seasonal fluctuations that characterize the region, reminding us to embrace the sun while it lasts before the rains take over.
In Sylhet, Bangladesh, the length of daylight shows a fascinating progression throughout the year. Starting with 10 hours in January, daylight gradually increases, peaking at 13 hours from May to July. This period marks the height of summer, offering residents ample sunlight for outdoor activities and crop cultivation. As August approaches, daylight begins to taper off, settling back to 12 hours in the late summer and 11 hours in October. By the time winter rolls around, daylight once again dwindles to 10 hours in both November and December, completing the cycle. This rhythmic fluctuation in daylight hours not only influences daily life in Sylhet but also impacts the region's rich biodiversity and agricultural practices.
In Sylhet, Bangladesh, the winds of May maintain a gentle consistency, with an average speed of 1.4 m/s (3 mph), mirroring the calm breezes typical of surrounding months. While March marks a slight uptick with winds reaching 1.8 m/s (4 mph), the rest of the year exhibits a steady pattern, hovering around the same mild pace. This persistent tranquility in May, much like its neighboring months, encourages a serene atmosphere, perfect for enjoying the lush landscapes and vibrant culture of the region. With wind speeds gradually tapering off into the wet season, the winds of May serve as a nostalgic reminder of the gentle transition from spring to the impending monsoon.
Weather in Sylhet varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Sylhet, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January present contrasting weather experiences. In May, temperatures soar with a minimum of 20°C (68°F) and an average of 27°C (80°F), reaching up to 36°C (98°F). This month is also characterized by high humidity at 79% and significant rainfall, averaging 520 mm (20.5 in) over 27 days. In stark contrast, January boasts cooler temperatures, with a minimum of 6°C (44°F), an average of 17°C (63°F), and a maximum of 29°C (84°F). Precipitation is minimal, with only 6 mm (0.2 in) over just 1 day, while humidity hovers around 76%. For a closer look at January's weather specifics, check Sylhet weather in January.
May and February present contrasting weather patterns. In May, temperatures soar with minimums of 20°C (68°F) and maximums reaching 36°C (98°F), averaging at 27°C (80°F). This month is notably humid with an average of 79%, and it experiences significant rainfall of 520 mm (20.5 in) over 27 days. In stark contrast, February enjoys milder temperatures, with lows around 9°C (49°F) and highs peaking at 30°C (86°F), averaging 19°C (67°F). The precipitation in February is minimal, with only 28 mm (1.1 in) over just 3 days, and a lower average humidity of 69%. For more detailed insights, check Sylhet weather in February.
May and March present quite different weather experiences. In May, temperatures range from a minimum of 20°C (68°F) to a maximum of 36°C (98°F), with an average of 27°C (80°F). This month sees a significant amount of precipitation, with 520 mm (20.5 in) falling over 27 days, leading to high humidity levels of 79%. In contrast, March offers milder conditions, with temperatures stretching from a minimum of 12°C (54°F) to a maximum of 34°C (93°F), averaging around 23°C (74°F). Precipitation is much lower in March, totaling 117 mm (4.6 in) over just 9 days, contributing to a more comfortable humidity level of 53%. For a closer look at March weather specifics, check out Sylhet weather in March.
In comparing the weather of May and April, May typically experiences higher temperatures, with a minimum of 20°C (68°F) and an average of 27°C (80°F), compared to April's minimum of 17°C (63°F) and average of 25°C (78°F). Although May has a slightly higher maximum temperature of 36°C (98°F) compared to April's 35°C (96°F), it also brings significantly more rainfall, with 520 mm (20.5 in) over 27 days, versus April's 503 mm (19.8 in) over just 19 days. Additionally, the humidity in May rises to 79%, substantially higher than April's 47%, making May feel more oppressive and tropical. For a closer look at the specifics of April's weather, check out Sylhet weather in April.
May and June exhibit notable differences in weather patterns. May typically sees a temperature range from a minimum of 20°C (68°F) to a maximum of 36°C (98°F), with an average temperature of 27°C (80°F). It experiences significant rainfall, with 520 mm (20.5 in) of precipitation spread over 27 days and a humidity level of 79%. In contrast, June presents slightly warmer temperatures, with a minimum of 23°C (73°F) and an average of 28°C (82°F), but a lower maximum of 35°C (96°F). Rainfall increases dramatically to 816 mm (32.1 in) over 29 days, coupled with higher humidity at 86%. For a more detailed look at June weather, you can visit Sylhet weather in June.
In comparing the weather between May and July, both months exhibit warm temperatures, but July tends to be slightly hotter, with average temperatures ranging from a minimum of 23°C (73°F) to a maximum of 37°C (99°F), compared to May's range of 20°C (68°F) to 36°C (98°F). Additionally, humidity levels rise in July to 91%, up from May's 79%, contributing to a more oppressive feel. Precipitation also significantly increases in July, with total rainfall reaching 895 mm (35.2 in) over 30 days, compared to May's 520 mm (20.5 in) over 27 days. For more details on July's weather, you can visit Sylhet weather in July.
In May, the weather typically features a minimum temperature of 20°C (68°F) and an average high of 36°C (98°F), with significant humidity at 79%. This month sees considerable rainfall, accumulating to 520 mm (20.5 in) across 27 days. In contrast, August presents slightly warmer conditions, with a minimum temperature of 25°C (76°F) and an average of 28°C (84°F). The precipitation in August increases notably to 749 mm (29.5 in) spread over 30 days, accompanied by even higher humidity at 90%. For more detailed information, you can visit Sylhet weather in August.
In May, the weather features a temperature range from a minimum of 20°C (68°F) to a maximum of 36°C (98°F), with an average of 27°C (80°F). This month is characterized by a significant amount of precipitation, totaling 520 mm (20.5 in) over 27 days, and humidity levels sit at 79%. In contrast, September tends to be slightly warmer with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 37°C (98°F), while the average remains around 28°C (83°F). Although September receives less rainfall, with 466 mm (18.3 in) across 26 days, the humidity is higher at 89%. For more details, you can check Sylhet weather in September.
May and October in Sylhet present intriguing contrasts in weather patterns while sharing some similarities. Both months have an average temperature of 27°C (80°F), with highs reaching up to 36°C (98°F). However, May experiences notably higher precipitation levels, totaling 520 mm (20.5 in) over 27 days, compared to October’s 247 mm (9.7 in) over just 16 days. Additionally, October exhibits slightly higher humidity at 89%, compared to May’s 79%. This suggests that while both months are warm, October tends to be more humid yet drier in terms of overall rainfall. For more details, check out Sylhet weather in October.
May and November showcase contrasting weather patterns. In May, temperatures range from a minimum of 20°C (68°F) to a scorching maximum of 36°C (98°F), with an average of 27°C (80°F). This month also experiences significant rainfall, with 520 mm (20.5 in) spread over 27 days, contributing to a high humidity level of 79%. In contrast, November offers milder temperatures, with a minimum of 14°C (57°F) and a maximum of 32°C (89°F), averaging 23°C (73°F). Precipitation drops dramatically to just 20 mm (0.8 in) over 3 days, and humidity rises to 88%. For more details on November weather, you can check Sylhet weather in November.
May and December showcase contrasting weather patterns. In May, temperatures soar, with a minimum of 20°C (68°F) and an average of 27°C (80°F), peaking at a scorching 36°C (98°F). This month also sees significant rainfall, totaling 520 mm (20.5 in) over 27 days, coupled with high humidity levels at 79%. In stark contrast, December presents a cooler climate, with temperatures ranging from a minimum of 10°C (50°F) to an average of 19°C (66°F) and a maximum of 29°C (85°F). Rainfall during this month is minimal, accumulating only 40 mm (1.6 in) across just 2 days, while humidity remains relatively high at 86%. For more details on December weather, visit Sylhet weather in December.
May marks a distinctive shift in Sylhet's weather, with temperatures soaring to a maximum of 36°C (98°F) and a humid atmosphere that feels more intense than in previous months. Rain becomes a frequent visitor, with nearly every other day drenched in precipitation, totaling around 520 mm over the month. This combination of soaring heat and high humidity creates a sultry environment that sets the stage for the monsoon season ahead. As the landscape transforms into a lush green tapestry, the unique May weather serves as a precursor for the vibrant rains to come. For more insights into Sylhet's climatic patterns, visit Sylhet Climate.