May Weather in Longmen, China

Last updated: August 21, 2025

Longmen, China, experiences a vibrant May, characterized by warm temperatures that peak at a sweltering 38°C (100°F), with a comforting average of 28°C (83°F) and a minimum of 19°C (66°F). This month is notable for its substantial rainfall, accumulating 204 mm (8.0 in) over 18 days, contributing to an invigorating atmosphere. Coupled with a humidity level of 81%, the lush environment comes alive, making May an ideal time to experience the unique beauty of Longmen.

May Temperature in Longmen

As May arrives in Longmen, China, the temperatures begin to climb, heralding the approach of summer. With a minimum of 19°C (66°F) and an average that rises to 28°C (83°F), the month showcases the first significant warmth of the year. The maximum temperature can reach a scorching 38°C (100°F), indicating a trend of increasing heat compared to the preceding months. This shift highlights a transition from the gradually warming days of April to the more intense summer heat that June promises. As the landscapes flourish under the sun, May becomes a vibrant prelude to the sultry months ahead, inviting outdoor adventures and the rich tapestry of life that thrives in warmth.

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

The chart illustrates May temperature patterns in Longmen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Longmen, 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).
JanFebMarAprMayJunJulAugSepOctNovDec676875788285848382787468
Data source: Temperature data for Longmen 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 Longmen

May brings a dramatic surge in precipitation to Longmen, China, with 204 mm (8.0 in) falling across 18 days—far exceeding the amounts of previous months. This considerable rain marks a significant shift from April’s 101 mm (4.0 in), laying the groundwork for the region’s lush greenery and vibrant ecosystem. As the weather warms, the frequency of rainfall begins to rise, laying the foundation for an increasingly wet summer, with July and August typically experiencing the highest precipitation levels. This pattern highlights Longmen's transition into its rainy season, where persistence of downpours not only transforms the landscape but also feeds into the robust agricultural cycle that the area relies upon.

May Precipitation Trends in Longmen

The chart displays monthly precipitation patterns in Longmen, 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 Longmen, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec2436471012041682082811921875836
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Longmen

As spring transitions into summer in Longmen, China, May ushers in a noticeable rise in humidity, reaching 81%. This marks a gradual increase from 80% in April, highlighting the area's trend toward more humid conditions as the year progresses. Following a steady climb from 74% in January and 75% in February, the humidity levels hint at the approaching heat of summer, with June expected to maintain the same humidity level. The overall pattern reveals a significant jump in moisture, especially as the humidity peaks at 87% during the sweltering summer months of July and August. This trend not only shapes the local climate but also sets the stage for the lush, vibrant scenery characteristic of this region at this time of year.

May Average Humidity in Longmen

This chart illustrates the average monthly humidity levels in Longmen, 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 Longmen is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%75%79%80%81%82%87%86%82%82%80%79%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Longmen

In May, Longmen, China experiences an extreme UV Index of 14, maintaining a consistent trend of high levels of solar radiation that starts in the earlier months and continues into the summer. This peak in May signals the importance of taking precautions, as the burn time is a swift 10 minutes. Following April's UV Index of 13, it becomes evident that conditions are intensifying as the region transitions into the hotter months. With June and July also registering a UV Index of 14, residents and visitors should remain vigilant in protecting their skin from potential harm. For more detailed insights about the UV Index throughout the year, visit Longmen UV Index.

Maximum UV Index Levels in Longmen for May

The chart shows the monthly maximum UV Index (UVI) for Longmen 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 Longmen typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911121314131414131298
Data source: Longmen 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 Longmen

As the calendar turns to May in Longmen, China, the sunshine truly begins to shine, with an impressive 311 hours of sunlight painting the landscape in warmth and vibrancy. This radiant month marks a significant increase from the earlier months, showcasing a steady ascent in sunlight hours since January, which saw only 189 hours. Following the brighter days of spring—where both March and April enjoyed commendable totals of 287 and 285 hours respectively—May heralds the peak of spring, setting the stage for a sun-soaked summer. The trend continues into June, where 302 hours of sunshine promise to extend the outdoor enjoyment throughout the region. Overall, this gradual rise in sunlight underscores the transition from the cooler winter months to the balmy days of summer, inviting both locals and visitors alike to revel in the natural beauty of Longmen.

Monthly Sunshine Duration in Longmen: May Highlighted

The May sunshine duration represents the total number of hours Longmen 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.
JanFebMarAprMayJunJulAugSepOctNovDec189h250h287h285h311h302h319h290h294h276h250h217h
Data source: Longmen May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Longmen During May

In Longmen, China, the prospect of sunny weather in May is relatively promising, with a 47% chance of sunshine. This figure is a modest improvement compared to the preceding months, such as April's 42%, and showcases a trend of increasing sunlight as the region transitions into spring. However, this optimistic outlook is a stark contrast to the summer months, where chances of sunshine plummet to just 16% in June and remain low through August. Overall, May stands out as a favorable time for outdoor activities, as the likelihood of clear skies begins to rise before the onset of the more overcast summer season.

Percentage of Sunny Days in May in Longmen

The chart illustrates the percentage of sunny days in Longmen 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 Longmen experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec37%49%37%42%47%16%31%21%31%17%40%29%
Data source: Longmen May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Longmen in May

In Longmen, China, the daylight duration experiences a fascinating seasonal rhythm throughout the year. Starting off, both January and February offer 11 hours of daylight, establishing a consistent winter pattern. As March arrives, daylight gradually increases to 12 hours, signaling the approach of spring. April maintains this trend, but by May, the days stretch to a delightful 13 hours, marking the height of spring's vibrant energy. This peak of daylight continues through June and July, providing ample sunlight as summer unfolds. As summer wanes, August sees a slight retreat to 12 hours, followed by a return to 11 hours in the cooler months of October and November. Finally, December rounds out the year with 10 hours of daylight, reminding us of nature's cyclical pattern as we transition back into winter. The overall trend demonstrates how Longmen's daylight enhances with the seasons, fostering a dynamic interplay of light and life.

Average Daylight Hours in Longmen for May

The chart illustrates the variation in daylight duration in Longmen throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 5m11h 30m12h 1m12h 34m13h 2m13h 15m13h 9m12h 44m12h 13m11h 40m11h 12m10h 58m
Data source: Longmen daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Longmen

In May, Longmen experiences a refreshing uplift in wind activity, with an average wind speed of 3.6 m/s (8 mph), making it one of the breeziest months of the year. This increase follows a steady trend from April, which had a breeze of 3.0 m/s (7 mph), hinting at the gradual warming of spring. As the landscape awakens, the gentle winds create a lively atmosphere, perfect for outdoor activities. Following May, the wind speed begins to decline again in June to 2.7 m/s (6 mph), illustrating a seasonal pattern where summer months generally feature calmer breezes. Notably, October emerges as another peak month, showing that Longmen's wind dynamics reflect both seasonal shifts and the enchanting rhythms of nature.

Average May Wind Speed in Longmen

The chart displays monthly wind speed patterns in Longmen, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.92.63.43.03.6 m/s2.72.42.52.13.73.03.3
Data source: Longmen May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Longmen Compares to Other Months

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

May and January exhibit stark contrasts in weather patterns. May boasts higher temperatures, with an average of 28°C (83°F) and peaks reaching up to 38°C (100°F), while January's average stands at a cooler 20°C (67°F) with a maximum of 29°C (85°F). Additionally, May is significantly wetter, experiencing 204 mm (8.0 in) of precipitation over 18 days, compared to January's modest 24 mm (1.0 in) over just 9 days. The humidity is also higher in May at 81%, in contrast to January's 74%. For a closer look at January's specific conditions, you can check this link: Longmen weather in January.

May and February present distinctly different weather conditions. In May, temperatures range from a minimum of 19°C (66°F) to a scorching maximum of 38°C (100°F), with an average of 28°C (83°F). This month also sees significant precipitation, with 204 mm (8.0 inches) falling over 18 days and humidity levels averaging 81%. In contrast, February offers milder temperatures, with a minimum of 8°C (46°F), an average of 20°C (68°F), and a maximum of 32°C (90°F). Precipitation is considerably lower at 35 mm (1.4 inches) occurring over just 9 days, and humidity is slightly less at 75%. The stark differences between the two months highlight the transition from the cooler, drier winter of February to the hotter, more humid summer of May. For more details on February's weather, visit Longmen weather in February.

May typically experiences hotter and more humid conditions compared to March. With average temperatures ranging from a minimum of 19°C (66°F) to a maximum of 38°C (100°F), May can feel quite sweltering, especially with an average humidity of 81%. In contrast, March has a milder climate, with temperatures varying from a minimum of 14°C (57°F) to a maximum of 35°C (95°F) and slightly lower humidity at 78%. Additionally, May sees significantly more rainfall, with 204 mm (8.0 in) of precipitation over 18 days, compared to just 47 mm (1.9 in) on 10 days in March. For more details on the weather in March, you can visit Longmen weather in March.

In comparing the weather between April and May, it is evident that May experiences significantly warmer temperatures, with a minimum of 19°C (66°F) and an average of 28°C (83°F), compared to April's minimum of 14°C (58°F) and average of 25°C (78°F). Additionally, May reaches higher maximum temperatures, peaking at 38°C (100°F), while April's maximum is 35°C (96°F). However, May also sees increased precipitation, totaling 204 mm (8.0 in) over 18 days, which is notably higher than April's 101 mm (4.0 in) over 14 days. Despite the marginally higher humidity levels in May at 81%, both months exhibit similar humidity conditions. For a more detailed look at April weather, you can check Longmen weather in April.

In comparing the weather between May and June, both months exhibit similar high temperatures; however, June starts off warmer with a minimum temperature of 23°C (74°F) compared to May's 19°C (66°F). The average temperature remains slightly higher in June at 29°C (85°F), while both months share a maximum temperature of 38°C (101°F) and maintain a consistent humidity level at 81%. Precipitation is notably lower in June, with 168 mm (6.6 in) over 17 days, compared to May's 204 mm (8.0 in) over 18 days. For more detailed information, you can check Longmen weather in June.

In comparing May and July's weather, we see notable similarities and differences. In May, temperatures range from a minimum of 19°C (66°F) to a maximum of 38°C (100°F), with an average of 28°C (83°F) and a relatively high humidity level of 81%. However, it experiences significant precipitation, totaling 204 mm (8.0 in) over 18 days. In contrast, July is slightly warmer, with temperatures ranging from a minimum of 24°C (76°F) to a maximum of 37°C (99°F), and an average of 29°C (84°F). Precipitation increases marginally to 208 mm (8.2 in) over 20 days, along with a rise in humidity to 87%. For a more detailed look at July’s weather, you can visit Longmen weather in July.

In May, the weather is characterized by a minimum temperature of 19°C (66°F), gradually rising to an average of 28°C (83°F), with maximums reaching up to 38°C (100°F). The month experiences considerable rainfall, totaling 204 mm (8.0 in) over 18 days, coupled with high humidity at 81%.

In contrast, August sees warmer nights with a minimum temperature of 23°C (74°F) while maintaining the same average temperature of 28°C (83°F). However, the maximum temperature is slightly lower at 35°C (96°F). Rainfall increases significantly to 281 mm (11.1 in), falling over 24 days, and humidity also rises to 86%.

For more information on the weather patterns in August, you can check Longmen weather in August.

In comparing the weather of May and September, both months exhibit warm temperatures, with May showcasing a slightly lower minimum average of 19°C (66°F) compared to September's 21°C (71°F). Both months peak at similar averages of 28°C (82°F); however, May experiences higher maximum temperatures, reaching up to 38°C (100°F), while September's maximum is 35°C (95°F). Precipitation levels are comparable, with May receiving 204 mm (8.0 in) over 18 days, slightly more than September's 192 mm (7.6 in) over 23 days. Humidity remains high in both months, with September at 82% and May slightly lower at 81%. For more detailed information, you can check Longmen weather in September.

May and October exhibit distinct differences in weather patterns, despite their similarities in humidity levels, both at 81%. In May, temperatures soar with a minimum of 19°C (66°F) and an average high of 38°C (100°F), making it considerably hotter than in October, where the temperatures range from a minimum of 18°C (65°F) to a maximum of 34°C (93°F) with a lower average of 25°C (78°F). Precipitation is similar in both months, with May receiving 204 mm (8.0 in) across 18 days and October seeing slightly less at 187 mm (7.4 in) over 19 days. For more details on October's weather, you can check this link: Longmen weather in October.

May and November exhibit notable differences in weather patterns. In May, temperatures range from a minimum of 19°C (66°F) to a scorching maximum of 38°C (100°F), with an average of 28°C (83°F), making it the hotter month of the two. Conversely, November presents cooler temperatures, with a minimum of 16°C (62°F), an average of 23°C (74°F), and a maximum of 30°C (87°F). Additionally, May experiences more precipitation, totaling 204 mm (8.0 in) over 18 days, while November sees significantly less at 58 mm (2.3 in) across 11 days. Both months have high humidity, with May at 81% and November slightly lower at 80%.

For more specific insights about November weather, you can check out Longmen weather in November.

May and December exhibit contrasting weather patterns, showcasing the transition from early summer heat to a milder winter climate. In May, temperatures can soar from a minimum of 19°C (66°F) to a blazing maximum of 38°C (100°F), with an average temperature of 28°C (83°F). The month also sees significant rainfall, with nearly 204 mm (8.0 in) of precipitation over 18 days, contributing to a humid environment with humidity levels reaching 81%. In stark contrast, December offers cooler temperatures, with a range from a low of 11°C (52°F) to a high of 29°C (84°F), averaging at 20°C (68°F). The month is much drier, receiving only 36 mm (1.4 in) of precipitation across just 6 days, and slightly lower humidity at 79%. For more details on December weather, visit Longmen weather in December.

Compare Longmen's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Longmen

As May rolls into Longmen, the weather transforms into a vibrant symphony of warmth and humidity, standing out starkly from the cooler months that precede it. Average temperatures rise notably, inviting outdoor enthusiasts to bask in the sun, albeit with the knowledge that the humidity can make it feel even hotter. Unlike the drier spells of earlier months, May brings increased rainfall, with almost half the month experiencing precipitation. This combination of heat and moisture enhances the lushness of the surroundings, making it a perfect time for exploring the rich natural beauty of the area. For a comprehensive look at what to expect from Longmen's climate, check out Longmen Climate.