May Weather in Longmen, China

Last updated: August 21, 2025

In May, Longmen, China, experiences a dynamic climate characterized by a maximum temperature that can soar to 37°C (99°F), while the average hovers around a pleasant 22°C (72°F). Visitors should be prepared for cooler evenings with a minimum temperature of about 10°C (51°F). With precipitation measuring 190 mm (7.5 in) across approximately 14 days, this month is marked by relatively high humidity levels, averaging 87%. Such conditions create a lush environment, making May an inviting time for exploration, albeit with a chance of rain.

May Temperature in Longmen

In May, Longmen experiences a significant warming trend as spring transitions to summer. With minimum temperatures rising to 10°C (51°F) and an average of 22°C (72°F), the weather becomes pleasantly warm, perfect for outdoor activities. The maximum temperature can reach up to 37°C (99°F), indicating the onset of more intense heat as the month progresses. This month marks a pivotal shift from the cooler early spring months, where temperatures gradually climb from the 6°C (43°F) average in January to nearly balmy conditions in May. The vibrant change in climate not only enhances the natural beauty of the landscape but also invites locals and tourists alike to immerse themselves in the lush surroundings and enjoy the increasing sunshine.

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).
JanFebMarAprMayJunJulAugSepOctNovDec424555637277848577665746
Data source: Temperature data for Longmen generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Longmen

In May, Longmen, China experiences a significant increase in precipitation, with 190 mm (7.5 in) of rainfall over 14 days. This robust volume marks a noticeable surge from April's 107 mm (4.2 in), indicating the onset of the wetter season. As spring transitions towards summer, the increase is not just quantitative but also qualitative, contributing to the lush greenery that characterizes the region during this time. The pattern of rising precipitation continues into June, which receives the highest rainfall of the year at 385 mm (15.2 in), suggesting that May serves as a critical turning point in Longmen's climatic calendar.

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.
JanFebMarAprMayJunJulAugSepOctNovDec7973138107190385301183143606473
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 gives way to summer, **May's humidity in Longmen, China, hovers at a notable 87%, marking a peak that continues into June and the sweltering months of July and August. This slight increase from April's 86% sets the stage for a trend of notably high humidity during the warmer months, directly contributing to the region's lush scenery and vibrant ecosystems. Interestingly, as the year progresses, humidity levels generally rise, with only September marking a significant dip to 72%. This cyclical pattern reflects the region's subtropical climate, where warmth and moisture create a distinctive environment enjoyed by residents and visitors alike.

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.
JanFebMarAprMayJunJulAugSepOctNovDec65%71%81%86%87%87%91%87%72%74%80%78%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Longmen

In Longmen, China, the UV Index experiences a significant upward trend from January to May, reaching a peak of 11 in May, categorizing it as extreme exposure risk. This indicates a notable shift, as the burn time drastically shortens from 25 minutes in January to just 10 minutes by May. The data reveals that May's intensity not only marks the start of the summer sun but also highlights the importance of sun protection during this period. As temperatures rise and the sun strengthens, it’s crucial to stay informed and safe. For detailed UV Index information, 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.
JanFebMarAprMayJunJulAugSepOctNovDec679101112111110865
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

May shines brightly in Longmen, China, as the month boasts an impressive 264 hours of sunshine, marking a peak in the springtime warmth and light. This is part of a clear upward trend from January's modest 138 hours to the vibrant April and May months, which together set a lively stage for summer. Following May, sunshine hours slightly dip in June, but the overall pattern remains optimistic, with July and August welcoming the highest sunlight figures of the year at 273 and 309 hours, respectively. As the year transitions into the fall, the brightness begins to wane, yet November and December remain relatively generous with 203 hours of sunshine each. This seasonal rhythm not only enriches the region's beauty but also invites outdoor activities, making Longmen a delightful destination for sunseekers as spring glides smoothly into summer.

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.
JanFebMarAprMayJunJulAugSepOctNovDec138h187h201h245h264h234h273h309h236h218h203h203h
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 likelihood of enjoying sunny weather sees a notable decline as spring progresses into May, with a sun chance of just 25% — similar to the drier months of March and April. This trend points to a persistent cloud cover and perhaps some lingering rains as the region transitions into the warmer summer months. Interestingly, the chances of sunshine dip even further in June and July, hitting a low of 13%, before recovering slightly in August and September. Overall, May's weather can be unpredictable, making it a time to prepare for both sun and showers in this picturesque locale.

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.
JanFebMarAprMayJunJulAugSepOctNovDec51%36%25%28%26%17%13%28%42%36%44%65%
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 progression of daylight duration throughout the year reveals a captivating transition from winter’s shorter days to the long, sun-kissed days of summer. Beginning in January with about 10 hours of daylight, the hours gradually increase as spring unfolds. By May, residents bask in 13 hours of daylight, marking a significant leap from the earlier months. This trend continues to peak in June, with a delightful 14 hours, before gradually tapering off again as summer transitions into autumn. Despite the slight decline in July and August, daylight remains abundant, with 13 hours still illuminating the landscape. As the year wraps up, daylight returns to 10 hours by November, completing a rhythmic cycle that beautifully showcases the changing seasons.

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.
JanFebMarAprMayJunJulAugSepOctNovDec10h 26m11h 6m11h 59m12h 53m13h 39m14h 2m13h 50m13h 10m12h 18m11h 24m10h 37m10h 14m
Data source: Longmen daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Longmen

In Longmen, China, May brings a gentle whisper as the average wind speed dips to a serene 1.9 m/s (4 mph). This slight reduction follows a consistent trend observed earlier in the year, where wind speeds have remained largely stable, fluctuating around the 2.0 m/s mark from January through April. As the month transitions into summer, the winds begin to pick up again, peaking in July at 2.6 m/s (6 mph), suggesting a dynamic shift in the seasonal breeze patterns. Overall, May's calm winds set the stage for the warmer months, inviting cool relief amid rising temperatures while maintaining a consistent rhythm in Longmen's atmospheric dance.

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.
JanFebMarAprMayJunJulAugSepOctNovDec2.12.02.02.01.9 m/s1.52.61.61.92.11.91.9
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 present striking contrasts in weather. May enjoys warmer temperatures, with an average of 22°C (72°F) and highs reaching up to 37°C (99°F), making it a vibrant and lush month. However, it also sees considerable rainfall, with 190 mm (7.5 in) spread over 14 days and high humidity at 87%. In contrast, January offers a much cooler climate, with average temperatures around 6°C (43°F) and maximums of 23°C (74°F), while dipping to a chilly minimum of -10°C (14°F). Precipitation is lighter in January, totaling 79 mm (3.1 in) across 10 days, accompanied by a lower humidity level of 65%. For more details, you can check Longmen weather in January.

May and February present starkly contrasting weather conditions. In May, temperatures vary widely, with a minimum of 10°C (51°F) and a maximum reaching up to 37°C (99°F), resulting in an average temperature of 22°C (72°F). This month also sees significant rainfall, with approximately 190 mm (7.5 in) of precipitation over 14 days, contributing to a high humidity level of 87%. In contrast, February experiences much colder temperatures, ranging from a minimum of -4°C (25°F) to a maximum of 27°C (81°F), with an average of just 7°C (45°F). Precipitation is lower, at 73 mm (2.9 in) spread over 10 days, and humidity sits at 71%. For more detailed information on February weather, you can visit Longmen weather in February.

In comparing the weather of March and May, it's evident that May is significantly warmer and more humid. May experiences an average temperature of 22°C (72°F), with a minimum of 10°C (51°F) and a maximum reaching up to 37°C (99°F), while March's average temperature sits at a cooler 13°C (55°F), ranging from a minimum of 1°C (35°F) to a maximum of 29°C (85°F). Precipitation levels are also notable, with May receiving 190 mm (7.5 in) of rain across 14 days, compared to March's 138 mm (5.4 in) over 15 days, making both months quite wet. Additionally, humidity is higher in May at 87%, compared to 81% in March. For more detailed insights about March weather, visit Longmen weather in March.

May generally experiences warmer temperatures compared to April, with average highs reaching 22°C (72°F) and a maximum of up to 37°C (99°F), whereas April has an average high of 17°C (63°F) and peaks at 33°C (92°F). Precipitation is notably higher in May, totaling 190 mm (7.5 inches) across 14 days, compared to April's 107 mm (4.2 inches) over 12 days. Humidity levels remain similar, with May slightly higher at 87% compared to April's 86%. For a more detailed look at the weather patterns during this time, you can check Longmen weather in April.

May and June exhibit distinct weather patterns, with June generally being warmer and wetter. In May, temperatures range from a minimum of 10°C (51°F) to an average of 22°C (72°F), reaching a maximum of 37°C (99°F), accompanied by 190 mm (7.5 in) of precipitation over 14 days and maintaining a high humidity level of 87%. In contrast, June sees a rise in temperatures, with a minimum of 16°C (61°F) and an average of 25°C (77°F), also peaking at 37°C (98°F). However, June experiences significantly higher rainfall, totaling 385 mm (15.2 in) over 19 days, while humidity remains steady at 87%. For more detailed weather information, you can refer to Longmen weather in June.

May and July present distinct weather patterns, particularly in terms of temperature and precipitation. In May, temperatures range from a minimum of 10°C (51°F) to a maximum of 37°C (99°F), with an average of 22°C (72°F). The month sees considerable rainfall, totaling 190 mm (7.5 in) over 14 days, and the humidity remains high at 87%. In contrast, July experiences warmer conditions, with minimum temperatures rising to 21°C (69°F) and maximums reaching up to 40°C (105°F), averaging 29°C (84°F). Precipitation increases to 301 mm (11.8 in) over 18 days, and humidity also climbs slightly to 91%. This comparison highlights how July is not only hotter but also wetter than May. For more specific details on July weather, you can visit Longmen weather in July.

May offers a mild start to the warm season, with temperatures ranging from a cool 10°C (51°F) to a sweltering 37°C (99°F). Despite the warmth, it sees significant precipitation of 190 mm (7.5 in) over 14 days, maintaining high humidity levels at 87%. In comparison, August experiences warmer temperatures, with a minimum of 18°C (65°F) and highs reaching 39°C (102°F). Precipitation remains similar at 183 mm (7.2 in) over the same number of rainy days, and humidity stays consistent at 87%. For a closer look at August weather, check out Longmen weather in August.

May and September present distinct weather profiles, with May being characterized by cooler minimum temperatures averaging around 10°C (51°F) and reaching highs of 37°C (99°F). The month also experiences significant precipitation, totaling 190 mm (7.5 in) over 14 days, coupled with high humidity levels at 87%. In contrast, September brings slightly warmer minimum temperatures at 16°C (60°F) and an average of 25°C (77°F), with a peak of 36°C (97°F). Rainfall is lower in September at 143 mm (5.6 in) over the same number of days, and humidity decreases to 72%. For more specific details about the climate in September, you can refer to Longmen weather in September.

In comparing May and October weather, we observe distinct differences in temperature and precipitation patterns. May typically experiences warmer temperatures, with a minimum of 10°C (51°F) and an average of 22°C (72°F), while October sees cooler temperatures, ranging from a minimum of 7°C (45°F) to an average of 19°C (67°F). The maximum temperatures also differ, with May reaching highs of 37°C (99°F) compared to October's peak of 35°C (95°F). Moreover, May is significantly wetter, boasting 190 mm (7.5 in) of precipitation over approximately 14 days, whereas October sees only 60 mm (2.4 in) across 7 days and lower humidity at 74%. For more detailed insights into October weather, you can refer to Longmen weather in October.

May and November present contrasting weather patterns, showcasing the transition from spring to late autumn. In May, temperatures can reach a sizzling max of 37°C (99°F), with an average of 22°C (72°F) and a minimum of 10°C (51°F). This month also brings a significant amount of rainfall, totaling 190 mm (7.5 in) across 14 days, accompanied by high humidity levels of 87%. In contrast, November is much cooler, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 30°C (86°F) and an average of 14°C (57°F). The precipitation is considerably less at 64 mm (2.5 in) over 10 days, and humidity dips slightly to 80%. For a closer look at November's climate specifics, you can check Longmen weather in November.

May and December exhibit stark contrasts in weather patterns. In May, temperatures range from a pleasant 10°C (51°F) to a sweltering 37°C (99°F), with an average of 22°C (72°F). The month is characterized by high humidity at 87% and considerable precipitation, totaling 190 mm (7.5 in) over 14 days. In contrast, December experiences much cooler temperatures, with a minimum of -4°C (25°F) and a maximum of 23°C (73°F), averaging around 8°C (46°F). This month sees less precipitation (73 mm or 2.9 in over 9 days) and a lower humidity level of 78%. For more insights, check out Longmen weather in December.

Compare Longmen's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Longmen

May in Longmen presents a striking shift in weather patterns as temperatures rise significantly, marking the onset of warmer days. With the average temperature climbing to a comfortable 22°C, residents and visitors alike enjoy the transition from the cooler spring months. However, the month is also noted for its high humidity levels at 87%, which combined with about 190 mm of rainfall over 14 days, can create a somewhat muggy atmosphere. These characteristics set May apart from the typically drier and cooler months that precede it, making it a unique time for those experiencing Longmen’s climate. To learn more about the year-round weather patterns, visit Longmen Climate.