May Weather in Sitamarhi, India

Last updated: August 21, 2025

In May, Sitamarhi, India experiences a blend of heat and humidity, with maximum temperatures soaring up to 42°C (108°F) and an average of 30°C (86°F), creating a warm climate. The minimum temperature dips to 20°C (69°F), offering some respite during the cooler nights. This month witnesses approximately 123 mm (4.9 in) of rainfall over 13 days, contributing to a humidity level of 46%, adding a tropical feel to the region. As locals navigate the sweltering days and sporadic showers, May unfolds as a vibrant prelude to the monsoon season in this dynamic part of India.

May Temperature in Sitamarhi

In Sitamarhi, India, the month of May brings a noticeable rise in temperatures, characteristic of the transition into the hotter summer months. With minimum temperatures settling at 20°C (69°F) and averages hovering around 30°C (86°F), the warmth is palpable. The highs can reach an impressive 42°C (108°F), making it one of the hottest months of the year. Compared to previous months, May showcases a marked increase not only in the daytime heat but also in the nighttime lows, hinting at the approaching peak of summer. As the temperature trends upward, residents and visitors alike are advised to stay hydrated and seek shade during the peak heat of the day.

May Weather in Sitamarhi: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Sitamarhi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sitamarhi, May typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec606677858687858685817263
Data source: Temperature data for Sitamarhi generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Sitamarhi

May marks a significant shift in precipitation for Sitamarhi, India, as the region transitions into the monsoon season. With an impressive 123 mm (4.9 in) of rainfall recorded over 13 days, May stands out as a critical month, paving the way for even heavier rains in June. This surge in precipitation is notable compared to the drier preceding months, where January through April saw minimal amounts, totaling just 72 mm over 11 days. As temperatures rise, the increase in moisture not only helps replenish local water sources but also brings a much-needed respite from the heat, setting the stage for the monsoon to fully arrive in the following months.

May Precipitation Trends in Sitamarhi

The chart displays monthly precipitation patterns in Sitamarhi, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Sitamarhi, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec918162912322045934828285115
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Sitamarhi

As the calendar turns to May in Sitamarhi, India, humidity begins a noticeable rise, settling at a moderate 46%. This marks a shift from the dry conditions of April, where humidity dipped to just 25%. The gradual increase sets the stage for the upcoming monsoon season, with humidity skyrocketing in June to a hefty 77% and reaching its peak in the following months, soaring as high as 92% from July through September. This transitional month offers a brief respite before the sultry embrace of the monsoon, reminding residents of the climatic rhythm that defines this region.

May Average Humidity in Sitamarhi

This chart illustrates the average monthly humidity levels in Sitamarhi, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Sitamarhi is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec58%53%32%25%46%77%92%92%92%87%76%71%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Sitamarhi

In May, Sitamarhi, India experiences high levels of UV radiation, with a UV Index peaking at 10—a status it shares with April and June, indicating a very high exposure category. This means that sunburn can occur within just 15 minutes of unprotected skin exposure. Notably, from January to May, the UV Index shows a steady upward trend, climbing from a moderate index of 5 in January to a striking 10 by May. As the temperatures rise, it's essential for residents and visitors alike to take necessary precautions against sun exposure. For more information, check out the detailed Sitamarhi UV Index.

Maximum UV Index Levels in Sitamarhi for May

The chart shows the monthly maximum UV Index (UVI) for Sitamarhi in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in Sitamarhi typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec568101010131211975
Data source: Sitamarhi May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

May Sunshine in Sitamarhi

May in Sitamarhi, India, shines brightly with an impressive 350 hours of sunshine, marking it as one of the sunniest months of the year. This increase follows the steady climb from 339 hours in April, showcasing the transition into summer when daylight hours reach their peak. After May, the sunshine begins to taper off, with June still holding onto a respectable 315 hours before dipping into the more variable weather of the monsoon months. Overall, the trend reveals that as the year progresses, Sitamarhi basks in increasingly abundant sunlight, fostering an atmosphere of warmth and vibrancy that characterizes the heart of Indian summer.

Monthly Sunshine Duration in Sitamarhi: May Highlighted

The May sunshine duration represents the total number of hours Sitamarhi experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec233h277h333h339h350h315h242h271h272h300h282h277h
Data source: Sitamarhi May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Sitamarhi During May

As May rolls in, Sitamarhi, India, experiences a significant drop in sunny weather, with only a 46% chance of clear skies. This marks a noticeable shift from the previous months, where February boasted an impressive 91% likelihood of sunshine. Following the bright days of March and April, which held 87% and 83% chances respectively, the arrival of the pre-monsoon season in May indicates a transition to cloudier weather patterns. This trend continues into June, where sunny days plummet to just 29%, foreshadowing the rainy months ahead. Hence, while the early months of the year offer generous sunshine, May reminds us of the imminent shift towards a more humid and overcast climate.

Percentage of Sunny Days in May in Sitamarhi

The chart illustrates the percentage of sunny days in Sitamarhi throughout the year, with May highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Sitamarhi experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec73%91%87%83%46%30%10%6%27%63%78%73%
Data source: Sitamarhi May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sitamarhi in May

As spring blossoms into summer, Sitamarhi, India, welcomes a significant increase in daylight duration, particularly in May when the sun graces the sky for an impressive 13 hours. This trend marks a peak in daylight that started in March, where the length began a gradual rise from 12 hours. Following May, this extended daylight persists into June, July, and August, offering long summer days perfect for outdoor activities and vibrant community gatherings. However, as the year progresses into autumn, the daylight hours will begin to wane, returning to 12 hours in September and gradually tapering off to 10 hours by November. This rhythmic cycle not only enriches the daily life of Sitamarhi’s residents but also highlights the seasonal shifts that define the region's unique charm.

Average Daylight Hours in Sitamarhi for May

The chart illustrates the variation in daylight duration in Sitamarhi throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 39m11h 14m12h12h 47m13h 26m13h 45m13h 36m13h 1m12h 16m11h 30m10h 49m10h 29m
Data source: Sitamarhi daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Sitamarhi

In Sitamarhi, India, the month of May marks a gentle transition as wind speeds begin to pick up, averaging 3.0 m/s (7 mph). This breeze, which is slightly stronger than those earlier in the year, heralds the approach of the monsoon season. As spring gives way to summer, the wind speeds have shown a steady upward trend since January, where they began at a modest 1.9 m/s (4 mph). Unlike the preceding months, where winds remained relatively light, May not only stands out for its increased gusts but also sets the stage for June, which sees a further escalation to 3.2 m/s (7 mph). This steady strengthening of the winds signals a vibrant shift in Sitamarhi's climate, making May an exciting prelude to the dynamic weather changes that await in the coming weeks.

Average May Wind Speed in Sitamarhi

The chart displays monthly wind speed patterns in Sitamarhi, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.92.02.72.93.0 m/s3.22.92.43.02.11.62.1
Data source: Sitamarhi May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Sitamarhi Compares to Other Months

Weather in Sitamarhi varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Sitamarhi, focusing on differences in temperature, rainfall, humidity, and UV levels.

May and January present starkly different weather patterns. In May, temperatures soar, with a minimum of 20°C (69°F) and an average high reaching 30°C (86°F), peaking at a scorching 42°C (108°F). This month also experiences significant precipitation, with 123 mm (4.9 in) falling over 13 days, contributing to a relatively low humidity level of 46%. In contrast, January offers a much cooler climate, with temperatures ranging from a minimum of 6°C (43°F) to an average of 15°C (60°F), and a maximum of 29°C (85°F). Precipitation is minimal, totaling just 9 mm (0.4 in) over only 1 day, while the humidity is higher at 58%. The differences are striking, highlighting the transition from the heat of early summer to the coolness of winter. For more details, you can check Sitamarhi weather in January.

May and February display contrasting weather patterns. In February, temperatures range from a cool minimum of 7°C (45°F) to a more moderate average of 19°C (67°F), peaking at a warm 32°C (91°F). The month typically experiences low precipitation, with only 18 mm (0.7 in) falling over 2 days and a humidity level of 53%. In stark contrast, May brings significantly higher temperatures, with a minimum of 20°C (69°F), an average of 30°C (86°F), and scorching maximums reaching up to 42°C (108°F). Additionally, May sees increased rainfall, totaling 123 mm (4.9 in) over 13 days, though it has a lower humidity level at 46%. For a more detailed look at February weather, you can refer to Sitamarhi weather in February.

The weather in May is significantly warmer and more humid compared to March. In May, temperatures range from a minimum of 20°C (69°F) to a maximum of 42°C (108°F), with an average of 30°C (86°F), while March's temperatures are milder, with a minimum of 9°C (49°F), an average of 25°C (77°F), and a maximum of 38°C (101°F). Additionally, May experiences much higher precipitation, with 123 mm (4.9 in) spread over 13 days, contrasting sharply with March's relatively dry conditions, which see only 16 mm (0.6 in) of rain over just 2 days. The humidity also rises in May to 46%, compared to March's more comfortable level of 32%. For more details, check out Sitamarhi weather in March.

In comparing the weather for May and April, we notice a slight increase in average temperatures, with May reaching an average of 30°C (86°F) compared to April's 29°C (85°F). Both months share the same maximum temperature of 42°C (108°F), but May exhibits higher humidity at 46%, notably up from April's 25%. Additionally, May experiences significantly more precipitation, totaling 123 mm (4.9 in) over 13 days, while April only sees 29 mm (1.1 in) across 6 days. For a detailed look at April weather specifics, you can visit Sitamarhi weather in April.

In comparing the weather between May and June, June tends to be hotter and more humid. In May, temperatures range from a minimum of 20°C (69°F) to a maximum of 42°C (108°F), with an average temperature of 30°C (86°F) and relatively low humidity at 46%. However, it also sees considerable rainfall, totaling 123 mm (4.9 in) over 13 days. In contrast, June experiences even higher temperatures, with a minimum of 24°C (75°F) and a maximum of 43°C (110°F) and a slightly higher average temperature of 31°C (88°F). The humidity rises significantly to 77%, and June brings increased precipitation, totaling 220 mm (8.7 in) over 18 days. For more detailed information, you can check Sitamarhi weather in June.

May and July present contrasting weather patterns, particularly in temperature and precipitation. In May, temperatures range from a minimum of 20°C (69°F) to a maximum of 42°C (108°F), with an average of 30°C (86°F). The month experiences 123 mm (4.9 in) of precipitation over 13 days, and humidity is relatively low at 46%. In contrast, July sees a higher minimum temperature of 25°C (77°F) and a maximum of 39°C (102°F), while the average remains consistent at 30°C (86°F). However, it is much wetter, with 458 mm (18.0 in) of rainfall spread over 29 days, resulting in significantly higher humidity at 92%. For more specific insights into July's weather, you can explore Sitamarhi weather in July.

The weather in May is characterized by a broader temperature range, with minimums around 20°C (69°F) and maximums peaking at 42°C (108°F), while the average temperature remains consistent at 30°C (86°F). Precipitation during this month is moderate, totaling 123 mm (4.9 in) over approximately 13 days, accompanied by a lower humidity level of 46%. In contrast, August sees warmer minimum temperatures starting at 26°C (78°F) and maximums capping at 38°C (100°F), maintaining the average at 30°C (86°F) as well. However, precipitation significantly increases to 347 mm (13.7 in) across 28 days, leading to a high humidity level of 92%. Overall, August is notably wetter and more humid compared to the relatively drier and hotter May. For more information on the specifics of August weather, you can visit Sitamarhi weather in August.

May and September exhibit notable differences in weather patterns. In May, temperatures range from a minimum of 20°C (69°F) to a scorching maximum of 42°C (108°F), with an average of 30°C (86°F). While it experiences some rainfall, totaling 123 mm (4.9 in) over 13 days, the humidity remains relatively moderate at 46%. In contrast, September presents a warmer average minimum temperature of 23°C (73°F) and a lower maximum of 37°C (99°F). However, it sees a significant increase in precipitation, with 282 mm (11.1 in) falling over 24 days, accompanied by a much higher humidity level of 92%. For more details on the specific weather patterns of September, you can visit Sitamarhi weather in September.

In May, the weather tends to be quite hot, with average temperatures around 30°C (86°F) and peak highs reaching up to 42°C (108°F). Precipitation is relatively high, with 123 mm (4.9 in) occurring over 13 days, and humidity levels sitting at 46%. In contrast, October brings milder conditions, with average temperatures dropping to 27°C (81°F) and maximums reaching 37°C (99°F). Rainfall also decreases significantly to 85 mm (3.4 in) over just 7 days, but the humidity increases dramatically to 87%. This makes October a more humid month compared to the heat of May. For more detailed information, you can refer to Sitamarhi weather in October.

May and November present contrasting weather conditions. In May, temperatures range from a minimum of 20°C (69°F) to a sweltering maximum of 42°C (108°F), with an average of 30°C (86°F). This month also sees considerable precipitation, totaling 123 mm (4.9 in) over 13 days, and a humidity level of 46%, creating a warm and often humid atmosphere. In contrast, November offers a much cooler experience, with temperatures dropping to a minimum of 12°C (53°F) and peaking at 35°C (96°F), averaging around 22°C (72°F). Notably, November is dry, receiving no rainfall and featuring a higher humidity level of 76%. For more detailed insights on November weather, you can refer to Sitamarhi weather in November.

In May, the weather is significantly warmer, with temperatures ranging from a minimum of 20°C (69°F) to a scorching maximum of 42°C (108°F), accompanied by considerable humidity at 46% and a substantial 123 mm (4.9 in) of precipitation over 13 days. In contrast, December offers a much cooler climate, with temperatures dipping as low as 5°C (42°F) and averaging around 17°C (63°F), and a maximum of 30°C (87°F). December is marked by a much drier atmosphere, only experiencing 15 mm (0.6 in) of precipitation over zero rainy days, plus a higher humidity level of 71%. For a more detailed view of December conditions, you can check out Sitamarhi weather in December.

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Conclusion: What to Expect From May Weather in Sitamarhi

As May settles over Sitamarhi, it brings a distinctive shift in the weather, characterized by sizzling temperatures and increased humidity. With average highs reaching 42°C, the month stands out as one of the hottest, inviting locals and visitors alike to seek refuge from the heat. Unlike the cooler months preceding it, May also sees a noticeable uptick in precipitation, with about 123 mm occurring over 13 days, hinting at the upcoming monsoon season. This combination of heat and occasional rain creates a unique atmosphere that sets May apart from its milder neighbors. For more insights into the seasonal trends, explore Sitamarhi Climate.