May Weather in Janakpur, Nepal

Last updated: August 31, 2025

In Janakpur, Nepal, May unveils a vibrant weather tapestry, characterized by sweltering maximum temperatures soaring up to 41°C (107°F) and a pleasant average of 30°C (86°F). While the nights offer a mild reprieve at a minimum of 21°C (70°F), the month is punctuated by significant rainfall, totaling around 110 mm (4.3 in) across approximately 14 days. Humidity levels hover around 46%, adding to the tropical ambiance. May in Janakpur embodies the essence of a lively pre-monsoon season, where warmth and moisture converge, creating a dynamic environment ripe for growth and exploration.

May Temperature in Janakpur

In May, Janakpur experiences a significant shift in temperatures as the region transitions into the summer months. With minimum temperatures starting at a warm 21°C (70°F) and peaking at a scorching 41°C (107°F), the weather is characterized by increased warmth and humidity. The average temperature hovers around 30°C (86°F), showing a steady rise from the cooler April days. This month marks the culmination of rising temperatures that began in January, reflecting a trend of escalating warmth as the year progresses. As conditions become hotter, May sets the stage for the even more sultry temperatures of June, making it essential for locals and visitors alike to prepare for the heat.

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

The chart illustrates May temperature patterns in Janakpur, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Janakpur, 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).
JanFebMarAprMayJunJulAugSepOctNovDec606677848687858584807163
Data source: Temperature data for Janakpur 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 Janakpur

In Janakpur, Nepal, May marks a significant shift in the precipitation pattern, with rainfall soaring to 110 mm (4.3 in), a stark contrast to the modest amounts seen in earlier months. This marked increase, spread over 14 days, signals the onset of the monsoon season, setting the stage for even heftier downpours in the following months. Notably, April's 34 mm (1.3 in) prepares the ground for May’s dramatic uptick, as the region transitions from dry, cooler months into a wet phase. With rainfall peaking in July at an astonishing 458 mm (18.0 in), the yearly trend clearly highlights May as a crucial catalyst for the intensifying precipitation that characterizes the summer months in Janakpur.

May Precipitation Trends in Janakpur

The chart displays monthly precipitation patterns in Janakpur, 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 Janakpur, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec914143411017345828723675010
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Janakpur

In Janakpur, Nepal, the month of May marks a significant shift in humidity levels, with the average sitting at 46%. This is a noticeable increase from the low of 25% in April, signaling the gradual arrival of the monsoon season. As May transitions to the wetter months ahead, humidity levels soar, reaching 77% by June and peaking at a staggering 92% throughout July to September. This pattern highlights how the region experiences a dramatic uptick in moisture as it moves from the dry winter months into a humid summer. The gradual rise in humidity starting from January’s 58% through to May serves as a prelude to the intense humidity that characterizes the subsequent summer months, making it an important time for residents and visitors to adapt to the changing climate.

May Average Humidity in Janakpur

This chart illustrates the average monthly humidity levels in Janakpur, 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 Janakpur 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 Janakpur

As the weather in Janakpur, Nepal transitions into May, residents can expect a very high UV Index of 10, indicating an increased risk of harm from unprotected sun exposure. This trend of rising UV levels begins in January with a moderate rating of 5, gradually intensifying to 6 in February, and peaking at 10 in both April and May. Such values highlight a significant shift towards more intense sunlight as spring progresses into summer. The burn time decreases sharply from 30 minutes in January to a mere 15 minutes by April, emphasizing the need for sun protection during this time. This pattern continues into June and July, where the UV Index reaches extreme levels, urging caution for outdoor activities. For detailed information, refer to the Janakpur UV Index.

Maximum UV Index Levels in Janakpur for May

The chart shows the monthly maximum UV Index (UVI) for Janakpur 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 Janakpur typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec568101011131211975
Data source: Janakpur 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 Janakpur

In Janakpur, Nepal, the sun shines brightly throughout the year, with May standing out as the sunniest month, boasting an impressive 351 hours of sunshine. Following a gradual increase from January's 239 hours, the sunlight hours rise steadily, peaking in April before reaching their zenith in May. This trend of increasing sunshine continues into June, where 319 hours are recorded, though it begins to wane as the monsoon season approaches. The months after May see a gentle decline, with July experiencing a significant drop to 236 hours. Overall, Janakpur's sunshine reflects a captivating rhythm of bright days that set the stage for vibrant local life—especially during the warm spring and early summer months.

Monthly Sunshine Duration in Janakpur: May Highlighted

The May sunshine duration represents the total number of hours Janakpur 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.
JanFebMarAprMayJunJulAugSepOctNovDec239h276h333h340h351h319h236h262h271h306h286h280h
Data source: Janakpur May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Janakpur During May

As May rolls into Janakpur, Nepal, the likelihood of encountering sunny weather takes a noticeable dip, dropping to 42% compared to the consistently high probabilities earlier in the year. The sunny days that characterize the dry winter months, with January seeing a 75% chance and February peaking at an impressive 89%, gradually wane through March and April, though they still maintain above-average levels. However, as the monsoon season approaches, June's likelihood plummets to 30%, followed by a mere 10% in July. This clear downward trend emphasizes May as a transitional period, where the warmth of the early months gives way to increased cloud cover and impending rain, making it crucial for those planning outdoor activities to stay informed and prepared.

Percentage of Sunny Days in May in Janakpur

The chart illustrates the percentage of sunny days in Janakpur 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 Janakpur experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec75%89%86%83%42%30%10%6%28%63%79%75%
Data source: Janakpur May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Janakpur in May

In Janakpur, Nepal, the ebb and flow of daylight dramatically shifts throughout the year, showcasing a beautiful progression from winter's cool embrace to the vibrant warmth of summer. Starting in January, daylight lasts approximately 10 hours, gradually increasing as the days lengthen towards spring. By March, sunlight extends to 12 hours, providing a foretaste of the longer days to come. April and May consistently boast 12 to 13 hours of daylight, marking the height of the spring and early summer season. This extended sunshine continues through June, July, and August, where residents enjoy a steady 13 hours of daylight. As the year progresses, a gentle decline begins, with daylight tapering back to 12 hours in September and diminishing further to 10 hours by December, highlighting the cyclical nature of light in this charming locale. Such variations create a dynamic rhythm that influences both daily life and seasonal festivities in Janakpur.

Average Daylight Hours in Janakpur for May

The chart illustrates the variation in daylight duration in Janakpur 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 27m13h 46m13h 36m13h 2m12h 16m11h 29m10h 49m10h 28m
Data source: Janakpur daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Janakpur

In Janakpur, Nepal, the winds of May gently sweep through the region, with an average speed of 2.6 m/s (6 mph). As spring transitions into summer, there's a subtle uptick in wind activity compared to the earlier months, particularly January and February, where the winds were a mere 1.7 m/s (4 mph). This gradual increase reaches its peak in June at 2.8 m/s, showcasing a pattern where the winds strengthen slightly as the temperatures rise. However, by the summer's end, a slight decline is observed, with July and August experiencing slightly reduced speeds. Overall, May offers a pleasant breeze that hints at the playful gusts to come, making it a delightful time for outdoor activities in this vibrant region.

Average May Wind Speed in Janakpur

The chart displays monthly wind speed patterns in Janakpur, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.71.92.52.72.6 m/s2.82.52.12.31.81.41.8
Data source: Janakpur May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Janakpur Compares to Other Months

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

May and January exhibit stark contrasts in weather conditions. In May, temperatures soar with a minimum of 21°C (70°F) and an average of 30°C (86°F), reaching highs of 41°C (107°F), making it one of the hottest months of the year. This heat is accompanied by considerable rainfall, with 110 mm (4.3 in) of precipitation occurring over 14 days, and humidity levels sitting at 46%. In stark contrast, January experiences much cooler temperatures, with a minimum of 5°C (41°F), an average of 15°C (60°F), and a maximum of 29°C (84°F). The precipitation in January is minimal, with only 9 mm (0.4 in) falling over just 1 day, while humidity is higher at 58%. For more detailed information, see Janakpur weather in January.

When comparing the weather in May and February, there is a stark contrast in temperature and precipitation. In May, temperatures soar, with minimums around 21°C (70°F) and highs reaching up to 41°C (107°F), while February offers a much cooler range with minimum temperatures of 7°C (44°F) and maximums of just 32°C (90°F). Precipitation levels also differ significantly, as May experiences 110 mm (4.3 in) of rain spread over 14 days, whereas February sees only 14 mm (0.6 in) over just 2 days. Additionally, the humidity in February is slightly higher at 53%, compared to May's average of 46%. For more details on February weather, you can check Janakpur weather in February.

The weather in May is distinctly warmer than in March, with temperatures averaging around 30°C (86°F) compared to March's average of 25°C (77°F). While May can reach scorching highs of 41°C (107°F), March typically sees a maximum of 38°C (100°F). May also experiences significantly more rainfall, with 110 mm (4.3 in) over 14 days, whereas March has a much drier climate with only 14 mm (0.6 in) of precipitation across just 2 days. Additionally, May's humidity level is higher at 46%, compared to March’s more comfortable 32%. For more detailed insights into March weather, check out Janakpur weather in March.

In comparing the weather between April and May, we can observe a noticeable increase in overall temperatures. May features a minimum temperature of 21°C (70°F) and an average of 30°C (86°F), while April has slightly cooler temperatures, with a minimum of 17°C (64°F) and an average of 29°C (84°F). Interestingly, both months can reach maximum temperatures of 41°C (106°F for April and 107°F for May), indicating that high heat is a consistent feature. However, May sees a significant rise in precipitation, totaling 110 mm (4.3 in) over 14 days, compared to April's 34 mm (1.3 in) across just 8 days. Additionally, humidity in May is higher at 46%, while April maintains a lower humidity level of 25%. For more details on the climate, you can refer to Janakpur weather in April.

In comparing the weather between May and June, June tends to be warmer and more humid. May features a minimum temperature of 21°C (70°F) and reaches a maximum of 41°C (107°F), while June starts at a higher minimum of 24°C (75°F) and peaks at 40°C (104°F). Although June has a slightly lower maximum temperature, it compensates with increased humidity levels, reaching 77% compared to May’s 46%. Precipitation also rises significantly in June, totaling 173 mm (6.8 in) over 21 days, compared to May’s 110 mm (4.3 in) over 14 days. For more specific details on June's weather patterns, you can refer to Janakpur weather in June.

May and July exhibit contrasting weather patterns, highlighting the transition from early summer to the peak monsoon season. In May, temperatures can reach a scorching high of 41°C (107°F) with an average of 30°C (86°F), while July sees a more moderate average temperature of 29°C (85°F) and a maximum of 38°C (102°F). However, July experiences significantly higher precipitation levels, with a staggering 458 mm (18.0 in) of rainfall over 28 days, compared to May's 110 mm (4.3 in) over just 14 days. Additionally, humidity levels soar in July to an uncomfortable 92%, starkly contrasting with May's relatively lower 46% humidity. For more specific details about the weather in July, you can check Janakpur weather in July.

In May, temperatures range from a minimum of 21°C (70°F) to a maximum of 41°C (107°F), with an average of 30°C (86°F). This month sees a moderate level of precipitation at 110 mm (4.3 in), occurring over 14 days, and the humidity is relatively comfortable at 46%. In contrast, August experiences warmer minimum temperatures of 25°C (78°F) and a cooler maximum of 37°C (99°F), with an average temperature of 29°C (85°F). However, August is much wetter, with precipitation soaring to 287 mm (11.3 in) across 28 days and significantly higher humidity levels at 92%. For more details, visit Janakpur weather in August.

In May, the weather is hot and dry, with temperatures ranging from a pleasant 21°C (70°F) at night to a scorching 41°C (107°F) during the day. With an average temperature of 30°C (86°F), it is one of the warmer months, but it sees significantly lower precipitation at 110 mm (4.3 in) over 14 rainy days and a humidity level of 46%. In contrast, September brings a change with slightly cooler temperatures, where the minimum is 22°C (73°F) and the maximum reaches 36°C (98°F), averaging 29°C (84°F). However, the month is marked by increased rainfall, totaling 236 mm (9.3 in) across 23 days, and much higher humidity at 92%. This stark difference signifies the transition from the dry heat of May to the wetter and more humid conditions of September, as detailed in Janakpur weather in September.

In May, the weather is characterized by higher temperatures, with minimums around 21°C (70°F) and maximums soaring to 41°C (107°F), making it significantly hotter than in October, where temperatures range from a minimum of 16°C (61°F) to a maximum of 36°C (98°F). May also experiences more precipitation, totaling 110 mm (4.3 in) over 14 days, compared to October's 75 mm (2.9 in) over just 7 days. Additionally, while May has a lower humidity level of 46%, October sees a substantial increase in humidity at 87%, contributing to a cooler and more humid atmosphere. For a deeper look into October's weather specifics, you can check Janakpur weather in October.

May and November present stark contrasts in weather patterns. In May, temperatures soar, with a minimum of 21°C (70°F) and highs reaching up to 41°C (107°F), resulting in an average of 30°C (86°F). The month is characterized by significant rainfall, totaling 110 mm (4.3 in) over 14 days, coupled with a relatively low humidity of 46%. In contrast, November offers much cooler conditions, with minimum temperatures plummeting to 11°C (53°F) and a maximum of 35°C (95°F), translating to an average of 22°C (72°F). Notably, November experiences no rainfall, with 0 mm recorded over the entire month and significantly higher humidity at 76%. For more details about the weather in November, you can check Janakpur weather in November.

May and December present contrasting weather patterns. In May, temperatures soar with averages around 30°C (86°F) and highs reaching up to 41°C (107°F), combined with high humidity at 46% and significant precipitation totaling 110 mm over 14 days. In stark contrast, December features much cooler temperatures, with averages of 17°C (63°F) and highs peaking at 30°C (87°F), while nights can drop to a chilly 5°C (41°F). Additionally, December enjoys dry conditions with just 10 mm of precipitation over 0 days and a higher humidity level of 71%. For more detailed insights, you can visit Janakpur weather in December.

Compare Janakpur's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Janakpur

As May unfolds in Janakpur, it brings a striking transition marked by increased warmth and humidity compared to earlier months. With average temperatures soaring towards a sweltering 30°C (86°F), and peaks reaching a surprising 41°C (107°F), the heat becomes notably more intense. Meanwhile, the arrival of 110 mm (4.3 in) of rainfall over 14 days hints at the beginning of the monsoon season, offering a refreshing respite from the heat. This unique blend of higher temperatures and increased precipitation sets May apart, creating an inviting yet dynamic atmosphere for residents and visitors alike. To learn more about the nuances of the local climate, visit Janakpur Climate.