Last updated: August 31, 2025
May in Birganj, Nepal is marked by a striking temperature range, where highs can soar up to 41°C (107°F) and the average settles around a warm 30°C (86°F), dipping to a minimum of 20°C (69°F). This month features significant precipitation, accumulating to 152 mm (6.0 in) over approximately 14 days, contributing to the region's lush landscape. The humidity level averages a comfortable 36%, providing a warm yet bearable atmosphere for both residents and visitors.
In Birganj, Nepal, May marks a significant rise in temperatures as the region transitions into the warmer months. The month kicks off with a minimum temperature of 20°C (69°F), which is a noticeable increase from April's lows. By mid-May, the average temperature peaks at a balmy 30°C (86°F), while the maximum can soar to a scorching 41°C (107°F). This heat sets the stage for the sultry days ahead as June approaches, indicating a consistent upward trend in temperatures as summer takes hold. Overall, May is characterized by warm days and pleasant nights, making it an ideal time for outdoor activities before the intense summer heat fully arrives.
In Birganj, Nepal, May marks a significant leap in precipitation, with 152 mm (6.0 in) of rain over 14 days, making it one of the wettest months of the year. This sharp increase from 36 mm (1.4 in) in April highlights the transition to the monsoon season, which begins to take hold in June. The wetter conditions in May set the stage for even higher rainfall in the following months, with June and July experiencing the peak of the monsoon with 213 mm (8.4 in) and 513 mm (20.2 in) respectively. As the region braces for the heavier downpours to come, May serves as a crucial precursor, showcasing a significant uptick in precipitation that signals the shift towards the lush greenery of the monsoon season.
In Birganj, Nepal, the transition into May brings a notable shift in humidity levels. After experiencing a significant drop throughout April, where humidity plummeted to just 24%, May sees a mild rebound to 36%. While this increase might seem modest, it sets the stage for the coming months, with humidity skyrocketing to 65% in June and peaking dramatically at 90% in July. This shift highlights a trend of rising humidity as the region moves deeper into the monsoon season. The pattern showcases the contrasting climate dynamics of the area, moving from dry to a notably humid experience, significantly impacting the local atmosphere and lifestyle as summer approaches.
In May, Birganj, Nepal experiences its peak UV Index at 10, categorizing it as very high and resulting in a burn time of just 15 minutes. This trend of increasing UV exposure begins earlier in the year, starting from a moderate index of 5 in January and rising steadily to reach the intense levels seen in the summer months. It's important to stay vigilant, especially as the UV Index remains elevated throughout May, paving the way for even more extreme conditions in June and July. As the months progress, precautions become essential to shield against harmful UV rays. For detailed information on UV levels year-round, you can visit Birganj UV Index.
UV Risk Categories
In Birganj, Nepal, the month of May shines brightly with an impressive 350 hours of sunshine, marking it as one of the sunniest periods of the year. This peak in sunlight follows a steady rise from January through April, showcasing how spring brings increasing warmth and brightness, with March and April offering robust counts of 335 and 339 hours, respectively. As the region transitions into summer, June maintains a substantial 330 hours of sunny days, though a slight dip is noted in the following months of July and August. Overall, this trend highlights May as a remarkable highlight in Birganj's climatological rhythm, offering not just warmth but a vibrant atmosphere, perfect for outdoor activities and embracing nature's beauty.
As you head into May in Birganj, Nepal, be prepared for a notable shift in weather trends. While earlier months like January and February bask in ample sunshine—boasting probabilities around 70% to 88%—May’s chances of sunny weather drop significantly to just 45%. This decline signals a transition from the clear skies of spring to the rainier season ahead, with June plummeting to a mere 30%. Interestingly, the sunny streak that characterizes the tail end of the year begins to re-emerge in October and November, where likelihoods hover between 66% and 78%. Thus, while May can be moderately sunny, it marks the beginning of cloudier days in Birganj.
In Birganj, Nepal, the daylight duration experiences a delightful progression throughout the year, peaking during the vibrant summer months. Starting the year with 10 hours in January, daylight gradually increases, reaching 12 hours by March and maintaining this level through April. May heralds the arrival of longer days, boasting 13 hours of sunlight, a trend that continues until August, ideal for outdoor activities and exploration. As the seasons shift, daylight begins to taper off, falling back to 12 hours in September and gradually decreasing again to 10 hours by December. This rhythmic cycle not only marks the changing seasons but also invites locals and visitors alike to embrace the natural beauty throughout Birganj's varied landscapes.
In May, Birganj experiences a gentle breeze as the average wind speed settles at 2.2 m/s (5 mph), mirroring April's calm yet lively winds. This marks a slight decrease from the notable increase in April, where the wind began to pick up, suggesting a transition into the warmer month. As spring fades and the summer heat approaches, the winds of May provide a refreshing touch, setting the stage for the increases that follow in June, where speeds rise to 2.6 m/s (6 mph). Comparatively, May's winds are part of a broader pattern where the region typically enjoys the most consistent breezy days from March to June, creating an inviting atmosphere for outdoor activities in this vibrant Nepalese city.
Weather in Birganj varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Birganj, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January present a striking contrast in weather patterns. In May, temperatures soar with a minimum of 20°C (69°F), averaging 30°C (86°F) and peaking at a sweltering 41°C (107°F). The month also experiences significant rainfall, with 152 mm (6.0 in) of precipitation over 14 days, coupled with a relatively low humidity of 36%. In contrast, January enjoys much cooler conditions, with temperatures ranging from a chilly minimum of 5°C (40°F) to a comfortable average of 15°C (60°F) and a maximum of 29°C (85°F). This month is notably dry, receiving only 12 mm (0.5 in) of rain across just 1 day, accompanied by higher humidity levels at 65%. For more specific details on January weather, you can check Birganj weather in January.
In comparing the weather of May and February, May presents a much warmer climate, with average temperatures soaring to 30°C (86°F) and highs reaching a sweltering 41°C (107°F). Additionally, May experiences higher precipitation, totaling 152 mm (6.0 in) over 14 days, paired with a lower humidity level of 36%. In contrast, February is considerably cooler, with average temperatures of 19°C (66°F) and highs of 32°C (90°F); it sees minimal rain, averaging only 20 mm (0.8 in) over just 2 days, but has higher humidity at 55%. For a detailed look at February weather specifically, you can visit Birganj weather in February.
In comparing the weather patterns of May and March, a stark contrast is evident. May experiences significantly warmer temperatures, with a minimum of 20°C and an average high of 30°C, reaching up to 41°C at its peak. In contrast, March's cooler temperatures range from a minimum of 9°C to an average high of 24°C, peaking at 38°C. Additionally, May sees a much higher precipitation level of 152 mm over 14 days, while March has only 13 mm of rain across just 2 days. Humidity levels are similarly varied, with May at 36% and March slightly higher at 39%. For further details on the March climate, you can check Birganj weather in March.
In comparing the weather between April and May, we find that May typically experiences higher temperatures with a minimum of 20°C (69°F) and an average of 30°C (86°F), while April sees slightly cooler temperatures, with a minimum of 17°C (62°F) and an average of 29°C (85°F). Despite April's maximum reaching 42°C (107°F), May's maximum remains at the same high of 41°C (107°F). Precipitation is significantly greater in May, with 152 mm (6.0 in) over 14 days, compared to only 36 mm (1.4 in) in April over 6 days, reflecting a marked increase in humidity as well, which rises from 24% in April to 36% in May. For more details on April's weather, you can check Birganj weather in April.
May and June exhibit notable differences in weather patterns. In May, temperatures range from a minimum of 20°C (69°F) to a maximum of 41°C (107°F), with an average temperature of 30°C (86°F). The month experiences 152 mm (6.0 in) of precipitation over 14 days, accompanied by 36% humidity. In contrast, June sees a warmer minimum temperature of 23°C (74°F) and a slightly higher average of 31°C (87°F), peaking at 43°C (110°F). Precipitation increases to 213 mm (8.4 in) spread across 21 days, and humidity rises significantly to 65%. This shift indicates a transition into wetter, more humid conditions as the region moves into the heart of the monsoon season. For more specific details about June weather, you can visit Birganj weather in June.
In May, temperatures in Birganj range from a minimum of 20°C (69°F) to a maximum of 41°C (107°F), with an average of 30°C (86°F). The month experiences significant rainfall, totaling 152 mm (6.0 in) over 14 days, while humidity levels stand at a relatively dry 36%. In contrast, July brings warmer nights with a minimum temperature of 24°C (76°F) and a lower average temperature of 29°C (85°F), yet experiences a maximum of 40°C (103°F). However, July is much wetter, with precipitation skyrocketing to 513 mm (20.2 in) over 29 days and humidity climbing to a high 90%. For a closer look at July's weather specifics, check this link: Birganj weather in July.
In May, temperatures range from a minimum of 20°C (69°F) to a maximum of 41°C (107°F), with an average of 30°C (86°F). The month experiences 152 mm (6.0 in) of rainfall over approximately 14 days and has a relatively low humidity of 36%. In contrast, August is considerably warmer at night, with minimum temperatures of 25°C (77°F), while the average hovers around 29°C (85°F) and peaks at 38°C (101°F). However, August is much wetter, receiving 351 mm (13.8 in) of rainfall across 29 days, coupled with high humidity levels reaching 91%. This significant increase in precipitation and humidity makes August a much more humid and damp month compared to May. For more detailed information, check Birganj weather in August.
May and September present contrasting weather patterns. In May, temperatures range from a minimum of 20°C (69°F) to a maximum of 41°C (107°F), with an average of 30°C (86°F). Although it experiences lower humidity at 36%, May sees approximately 152 mm (6.0 in) of rainfall over about 14 days. In contrast, September has a milder temperature range, with minimums at 22°C (73°F) and maximums reaching 37°C (99°F), averaging 29°C (84°F). However, it experiences significantly higher precipitation, totaling 262 mm (10.3 in) over 24 days, and a much higher humidity level of 91%. For more details on the weather in September, you can check Birganj weather in September.
May and October exhibit contrasting weather patterns. In May, temperatures range from a minimum of 20°C (69°F) to a scorching maximum of 41°C (107°F), with an average of 30°C (86°F). This month also sees significant rainfall, with 152 mm (6.0 in) spread over 14 days, and low humidity at 36%. In sharp contrast, October features milder temperatures, with a minimum of 16°C (60°F) and a maximum of 37°C (98°F), averaging 27°C (80°F). The month is characterized by much lower precipitation at 55 mm (2.2 in) across just 7 days, but the humidity increases to 86%. For more detailed information, you can visit Birganj weather in October.
May and November offer stark contrasts in weather conditions. In May, temperatures soar with a minimum of 20°C (69°F) and can reach a scorching maximum of 41°C (107°F), averaging around 30°C (86°F). The month also sees significant rainfall, with about 152 mm (6.0 in) spread over 14 days, creating a humid environment at 36%. In contrast, November presents a much cooler climate, with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 35°C (95°F), averaging 21°C (71°F). Remarkably, November experiences very little precipitation, averaging just 1 mm (0.0 in) over the month and maintaining a high humidity level of 79%. This difference highlights the transition from the hot, wet season in May to the cooler, drier conditions typical of November. For more specifics about weather trends in November, you can visit Birganj weather in November.
In May, temperatures in Birganj soar with a minimum of 20°C (69°F) and can reach a sweltering maximum of 41°C (107°F), boasting an average temperature of 30°C (86°F). However, the month is also characterized by significant rainfall, receiving about 152 mm (6.0 in) over 14 days, leading to a relatively low humidity level of 36%. In stark contrast, December offers much cooler weather, with temperatures ranging from a minimum of 6°C (42°F) to a maximum of 30°C (85°F), averaging 17°C (62°F). The dry month experiences minimal precipitation with only 11 mm (0.4 in) and no rainy days, alongside a much higher humidity level of 75%. For more detailed information, visit Birganj weather in December.
As May unfolds in Birganj, the weather takes on a distinctly warm character, setting itself apart from other months. The maximum temperature can soar to a sweltering 41°C, while the average remains comfortably in the 30s, offering a stark contrast to the cooler days of winter and early spring. Although the heat is often tempered by a relatively low humidity of just 36%, the month is also marked by increased precipitation, as evidenced by 14 rainy days and a total of 152 mm of rainfall. This blend of warmth and occasional showers signifies the transition into the monsoon season, making May a month of dynamic weather patterns. For a deeper understanding of how these shifts impact the year, explore more at Birganj Climate.