Last updated: August 21, 2025
May in Patna, India ushers in the sizzling onset of summer, with maximum temperatures soaring up to 44°C (111°F) and an average heat of 31°C (89°F). Nighttime offers a brief respite, cooling down to a minimum of 22°C (71°F). Throughout the month, 65 mm (2.6 in) of rainfall falls over approximately 7 days, providing some relief from the relentless warmth. The humidity level sits at 51%, adding to the muggy atmosphere, making it essential for residents and visitors to stay hydrated and seek shade during the peak heat hours.
As May settles in Patna, the temperatures begin to soar, setting the stage for the hot season ahead. With minimums reaching 22°C (71°F) and average highs climbing to a sweltering 44°C (111°F), this month marks a noticeable leap from the preceding April. It’s a time when the city's warmth intensifies, as the average temperature hovers around 31°C (89°F), signaling a transition from the more temperate early months of the year. This heat wave paves the way for even hotter days in June, but for now, May’s relentless sun invites locals to seek shade and refreshment amidst the gradually increasing humidity. Whether it’s enjoying cool drinks or planning outdoor adventures in the cooler mornings and evenings, May in Patna truly encapsulates the onset of summer in all its blazing glory.
In Patna, India, May marks a significant shift in precipitation patterns, with the city experiencing 65 mm (2.6 inches) of rainfall over 7 days. This increase in rainfall signals the onset of the monsoon season, contrasting sharply with the drier months of earlier in the year — where January to April combined barely surpassed May's total. As the prelude to the heavier rains of June, which can see a staggering 205 mm (8.1 inches), May serves as a crucial transition, nurturing the landscape and preparing it for the lush greenery that follows. This noticeable uptick not only underscores the region's climatic rhythms but also highlights the importance of May as a vital month for agriculture and water resources in Patna.
As the sweltering heat of May begins to settle in Patna, India, the city's humidity experiences a slight rebound, climbing to 51%. This increase marks a noteworthy transition from the arid conditions of April, which saw humidity dip to 29%. While May introduces a brief respite before the oppressive humidity of the monsoon season, characterized by levels soaring to 76% in June and reaching a staggering 91% in July, the trend is unmistakable: the air in Patna becomes increasingly heavier as summer wanes and the monsoons approach. This gradual rise serves as a precursor to the tropical conditions that dominate the coming months, transforming the environmental landscape into a muggy, humid experience.
As the temperatures begin to rise in May, Patna experiences a high UV Index of 9, indicating very high exposure levels. This trend marks a continuation of elevated UV readings from previous months, building on an impressive spike starting in March. With a burn time of just 15 minutes, it's essential for residents and visitors to prioritize sun safety during this period. This month’s UV Index is slightly lower than April’s peak of 10, yet it remains critical to stay informed and protected as we head into the searing summer months ahead. For more details on how to navigate UV exposure in this vibrant city, visit Patna UV Index.
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In May, Patna basks in an impressive 355 hours of sunshine, marking it as one of the sunniest months of the year. This peak basking trend follows a steady upsurge since January, where the city started with 232 hours of sunshine. As the seasons transition, sunlight hours steadily increase through March and April, each month showcasing a warm embrace of brighter days. The abundance of sunlight in May not only signifies the peak of warmth but also sets the stage for the onset of the monsoon in June, which sees a slight decrease to 324 hours. This pattern showcases Patna's vibrant climate, where sunshine dances through the months before giving way to the refreshing rains.
As May rolls in, the chance of sunny weather in Patna, India, dips to 53%, reflecting a noticeable decline compared to the high percentages seen in the earlier months like February and March, which boast an impressive 89%. April offers a gentle transition with 79% sunshine, but the outlook quickly wanes as the monsoon approaches, leading into June's dreary 31%. This trend highlights a significant shift from the bright and sunny spells of the start of the year, indicating that while May can still offer some sunny days, it is a harbinger of the impending rainy season. The fluctuations in sunshine probability clearly illustrate the dynamic climate of Patna, making May a peak time for both sunshine and the anticipation of the upcoming rains.
In Patna, India, the daylight duration experiences a rhythmic ebb and flow throughout the year, showcasing a beautiful transformation as the seasons change. Starting with 10 hours of daylight in January, the days gradually lengthen, hitting 11 hours in February and 12 hours by March and April. As spring gives way to summer, May blossoms into the longest days of the year with 13 hours of sunlight, a peak that continues into June and July. This abundant daylight starts to taper off in August, returning to 12 hours as monsoon clouds gather. By October, daylight wanes again to 11 hours, signaling a transition toward the shorter days of winter, which settle back to 10 hours for both November and December. This seasonal cycle not only highlights the vibrant changes in Patna's environment but also enriches the daily lives of its residents.
In Patna, India, the winds of May bring a notable shift in the air, as average wind speeds increase to 3.1 m/s (7 mph), marking a gentle yet refreshing breeze compared to the preceding months. This is part of a broader trend observed from January to May, where wind speeds gradually rise, suggesting the onset of summer's warmth. May stands out as a transitional period, as the winds begin to subside in June, dropping slightly to 3.0 m/s (7 mph). Following this, the monsoon season arrives, characterized by fluctuating wind speeds, often accompanied by rain. The rhythm of Patna's winds highlights not only seasonal changes but also the dynamic climate that embraces the city throughout the year.
Weather in Patna varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Patna, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January present stark contrasts in weather. In May, temperatures soar with a minimum of 22°C (71°F), averaging a sweltering 31°C (89°F) and peaking at a scorching 44°C (111°F). The humidity is moderate at 51%, and the month experiences about 65 mm (2.6 in) of precipitation over approximately 7 days. In contrast, January brings a cooler climate, with temperatures ranging from a minimum of 5°C (42°F) to an average of 15°C (60°F) and a maximum of 28°C (82°F). This month is marked by significantly less rainfall, totaling only 10 mm (0.4 in) across just 2 days, accompanied by higher humidity at 72%. For more detailed insights into January weather, visit Patna weather in January.
May and February showcase a stark contrast in weather patterns. In May, temperatures soar with a minimum of 22°C (71°F), averaging a sweltering 31°C (89°F) and peaking at a scorching 44°C (111°F). This month also experiences more rainfall, with 65 mm (2.6 in) spread over 7 days, while humidity hovers around 51%. In contrast, February presents a much cooler climate, with temperatures ranging from a minimum of 8°C (47°F) to an average of 19°C (67°F), and a maximum of 33°C (92°F). This month is notably drier, receiving only 19 mm (0.7 in) of rain on just 2 days, despite a slightly higher humidity of 59%. To explore more about Patna's February weather, visit Patna weather in February.
In comparing the weather between March and May, significant differences emerge. March experiences cooler temperatures with a minimum of 11°C (52°F) and an average of 25°C (77°F), while May heats up considerably, boasting a minimum of 22°C (71°F) and an average of 31°C (89°F). The maximum temperature in May can soar up to 44°C (111°F), compared to March's peak of 39°C (102°F). In terms of precipitation, March is relatively dry with only 13 mm (0.5 in) over 2 days, whereas May sees more rain, totaling 65 mm (2.6 in) over 7 days. Humidity also tends to be slightly higher in May at 51%, compared to 45% in March. For more detailed information, check Patna weather in March.
In comparing the weather patterns of April and May, we see a noticeable increase in both temperature and humidity as spring transitions into summer. April's average temperature hovers around 30°C (86°F) with a maximum of 43°C (109°F), whereas May experiences a warmer average of 31°C (89°F) and can reach up to 44°C (111°F). Additionally, May brings more precipitation with a total of 65 mm (2.6 in) over 7 days, compared to April's much lighter 15 mm (0.6 in) across just 3 days. The humidity levels also climb from 29% in April to 51% in May, making the weather feel significantly more oppressive. For more details on April's climate, you can refer to this link: Patna weather in April.
May and June in Patna present distinctly different weather patterns. In May, temperatures range from a minimum of 22°C (71°F) to a maximum of 44°C (111°F), with an average of 31°C (89°F) and relatively low humidity at 51%. However, precipitation is also notable, with 65 mm (2.6 in) falling over 7 days. In contrast, June sees a slight increase in temperatures, with a minimum of 24°C (76°F) and a maximum of 45°C (113°F), while the average reaches 32°C (90°F). June is characterized by significantly higher precipitation, totaling 205 mm (8.1 in) over 16 days, and a marked increase in humidity at 76%. For a more detailed look at the weather conditions in June, feel free to explore Patna weather in June.
May's weather is characterized by higher maximum temperatures, reaching up to 44°C (111°F), with an average of 31°C (89°F). Although it experiences relatively low precipitation of 65 mm (2.6 in) over 7 days, humidity levels are a moderate 51%. In contrast, July brings cooler temperatures, with a maximum of 40°C (104°F), but the average temperature drops slightly to 30°C (87°F). The month is marked by substantially higher rainfall, totaling 364 mm (14.3 in) over 27 days, and significantly increased humidity at 91%. For more details, you can visit Patna weather in July.
May and August exhibit contrasting weather patterns. In May, temperatures range from a minimum of 22°C (71°F) to a scorching maximum of 44°C (111°F), with an average of 31°C (89°F). The month experiences relatively low precipitation, with 65 mm (2.6 in) falling over 7 days, combined with a humidity level of 51%. In stark contrast, August brings a milder temperature range, with minimums of 26°C (79°F) and maximums capped at 37°C (98°F), averaging 30°C (86°F). However, it significantly increases in rainfall, with a substantial 308 mm (12.1 in) of precipitation over 28 days, resulting in a high humidity level of 90%. For more detailed insights, you can visit Patna weather in August.
When comparing the weather in May and September, notable differences emerge. May often sees hotter temperatures with an average of 31°C (89°F), peaking at a scorching 44°C (111°F), while September cools slightly to an average of 30°C (86°F) with maximum temperatures around 36°C (98°F). However, September experiences significantly higher precipitation, with 243 mm (9.6 in) over 23 days, compared to May's 65 mm (2.6 in) over just 7 days. The humidity also rises sharply in September, reaching 90%, while May maintains a more comfortable 51%. For more specific insights on this month, check out Patna weather in September.
In May, temperatures soar with a minimum of 22°C (71°F) and an average high reaching up to 44°C (111°F), creating a hot and humid environment, with 65 mm (2.6 in) of precipitation over about 7 days and humidity hovering at 51%. In contrast, October brings a much cooler climate, where the temperatures range from a minimum of 17°C (63°F) to an average high of 36°C (97°F). Although October sees slightly higher precipitation at 70 mm (2.7 in) over 8 days, the humidity spikes significantly to 90%, creating a moist atmosphere. For more detailed insights, you can check out Patna weather in October.
May and November present stark contrasts in weather conditions. In May, temperatures soar with a minimum of 22°C (71°F) and can reach as high as 44°C (111°F), offering an average warmth of 31°C (89°F). This month also experiences considerable rainfall, totaling 65 mm (2.6 in) over about seven days, accompanied by a moderate humidity level of 51%. Conversely, November showcases much cooler temperatures, ranging from a minimum of 12°C (53°F) to a maximum of 33°C (91°F), with an average temperature of 22°C (72°F). Notably, November is dry, with no recorded precipitation, resulting in a significantly higher humidity at 88%. For more details, check Patna weather in November.
May and December present stark contrasts in weather patterns. In May, temperatures soar with an average of 31°C (89°F) and can reach as high as 44°C (111°F), accompanied by a moderate level of humidity at 51% and 65 mm (2.6 in) of precipitation spread over 7 days. In contrast, December brings much cooler conditions, where average temperatures drop to 17°C (63°F), peaking at 29°C (85°F) during the day. This month features significantly less rainfall, with only 17 mm (0.7 in) falling on just 1 day, and a markedly higher humidity level of 87%. For more details, you can refer to Patna weather in December.
May in Patna marks a transition into the sweltering summer months, characterized by high temperatures and moderate humidity levels. Unlike cooler months, daily highs can soar to 44°C (111°F), making the average feel particularly intense. While the occasional rainfall—with about 65 mm over just a handful of days—provides brief relief, it does little to mitigate the dry heat that dominates. As the city prepares for the onset of the monsoon season, the weather in May stands out for its stark contrast to the milder and more pleasant conditions of the preceding months. For a deeper dive into Patna's climate throughout the year, visit Patna Climate.