May Weather in Beijing, China

Last updated: August 21, 2025

In May, Beijing experiences a dynamic climate characterized by notable temperature fluctuations. With a maximum of 39°C (103°F) and an average temperature hovering around 22°C (72°F), residents and visitors can enjoy warm spring days. The minimum temperature dips to a cool 4°C (39°F), highlighting the range the month offers. Precipitation is relatively low, totaling 19 mm (0.7 in) over an average of just 4 days, while humidity levels sit at a comfortable 58%. This combination creates a vibrant atmosphere, making May an ideal time to explore the city's rich culture and outdoor attractions.

May Temperature in Beijing

In May, Beijing experiences a vibrant shift in temperatures, marking the transition from chilly spring to the warmth of early summer. The month kicks off with minimum temperatures around 4°C (39°F), gradually rising to an average of 22°C (72°F), providing perfect conditions for outdoor activities. As the days progress, highs can soar to a sweltering 39°C (103°F), showcasing the city's dramatic temperature swings. This notable increase in warmth compared to the cooler previous months sets the stage for June, where temperatures continue to climb. May’s temperature trend emphasizes the city's ability to transition rapidly between seasons, inviting both locals and tourists to enjoy the blossoming beauty of Beijing under the sun.

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

The chart illustrates May temperature patterns in Beijing, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Beijing, 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).
JanFebMarAprMayJunJulAugSepOctNovDec263146607281817972554128
Data source: Temperature data for Beijing 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 Beijing

May in Beijing sees a continuation of the city's gradual transition into its summer monsoon season, with a precipitation amount of 19 mm (0.7 in), matching that of April. The number of rainy days increases slightly to four, contributing to the overall trend of rising moisture as the year progresses. Compared to the earlier months, where rainfall is sparse and occasional, May serves as a precursor to the heavier rains that follow in June and July. As temperatures climb and humidity rises, these showers become vital for cooling the atmosphere, setting the stage for the vibrant growth and lush landscapes that characterize the city in the months ahead. Thus, May is not only a time of transition but also a crucial month for the climate dynamics in Beijing.

May Precipitation Trends in Beijing

The chart displays monthly precipitation patterns in Beijing, 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 Beijing, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec17152019432031286331142
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Beijing

In May, Beijing experiences a transition into warmer months, with humidity averaging 58%. This marks a slight decrease from April's higher 61%, hinting at the city's dynamic climate as it prepares for the sweltering summer ahead. As temperatures rise, humidity levels steadily climb, peaking at 78% during the peak summer months of July and August. This trend showcases a gradual humidification from the dry winter months, where January and February hover around 40-41%. Thus, May serves as a pivotal month, bridging the more moderate conditions of spring with the sultry summer, making it a time of noticeable atmospheric change.

May Average Humidity in Beijing

This chart illustrates the average monthly humidity levels in Beijing, 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 Beijing is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec40%41%48%61%58%65%79%78%66%70%68%51%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Beijing

As spring transitions into summer in Beijing, May brings a very high UV Index of 9, signaling a crucial shift in sun exposure risks. This increase from April's UV Index of 8 indicates that sun protection becomes essential, with a burn time of just 15 minutes under direct sunlight. This trend highlights the growing intensity of UV radiation as the year progresses, with the UV Index remaining stable at 9 in the following month, June. Visitors and residents alike should remain vigilant, applying sunscreen regularly to safeguard their skin and enjoy their outdoor activities safely. For more detailed information about UV levels throughout the year, you can check the Beijing UV Index.

Maximum UV Index Levels in Beijing for May

The chart shows the monthly maximum UV Index (UVI) for Beijing 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 Beijing typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2358991097642
Data source: Beijing 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 Beijing

As May arrives in Beijing, the city basks in an impressive 326 hours of sunshine, marking the sunniest month of the year. This radiant peak follows a gradual increase from the colder, cloudier months of January, which recorded only 211 hours. The steady climb through spring, particularly in March and April with 294 hours each, sets the stage for the vibrant energy of May. June continues this trend with 315 hours, allowing residents and tourists to enjoy the outdoors, but the warmth of May stands out, inviting picnics and sightseeing in full bloom. As the sun begins to dip slightly in July and August, the brightness of May remains a cherished highlight in Beijing’s annual weather cycle, reflecting a delightful shift towards summer.

Monthly Sunshine Duration in Beijing: May Highlighted

The May sunshine duration represents the total number of hours Beijing 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.
JanFebMarAprMayJunJulAugSepOctNovDec211h254h294h294h326h315h289h302h279h260h238h255h
Data source: Beijing May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Beijing During May

May in Beijing offers a moderate 58% chance of sunny weather, marking a transition as the city inches closer to summer. This figure reflects a slight uptick from April's 55%, suggesting that the days are increasingly filled with sunlight as spring edges towards summer. However, compared to the earlier months of January and February, which boast remarkably high chances of sun at 81% and 70% respectively, May presents a more tempered outlook. As the temperature warms, residents can expect more bright days, but the likelihood remains lower than the peak winter months. This gradual decline in sunny prospects continues into the early summer, where June drops to 44%. Thus, while May is certainly a time for outdoor activities, it’s prudent to keep a watchful eye on the weather as the month unfolds.

Percentage of Sunny Days in May in Beijing

The chart illustrates the percentage of sunny days in Beijing 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 Beijing experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec81%70%51%55%58%44%30%51%42%60%73%83%
Data source: Beijing May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Beijing in May

As spring transitions into summer, May brings a delightful surge in daylight hours to Beijing, with 14 hours of sunlight illuminating the city. This increase represents a significant leap from the 13 hours of April, showcasing the region's gradual march towards the longest days of the year. Following May, daylight remains steady at 14 hours in June and July, before beginning its slow descent. This pattern highlights a vibrant shift from the shorter, darker days of winter, where January and February offer only 9 to 10 hours of light, leading to an enriching experience as residents soak in the sun-filled days of late spring and early summer.

Average Daylight Hours in Beijing for May

The chart illustrates the variation in daylight duration in Beijing throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 40m10h 40m11h 57m13h 16m14h 23m14h 57m14h 39m13h 41m12h 25m11h 6m9h 57m9h 22m
Data source: Beijing daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Beijing

In Beijing, May ushers in a refreshing change as average wind speeds rise to 3.0 m/s (7 mph), marking the annual peak for the city. This increase reflects a gradual transition from the stiller winds of early spring, where speeds averaged around 2.2 m/s (5 mph), to the more lively breezes of late spring and early summer. Not only does this boost in wind speed invigorate the atmosphere, but it also heralds the onset of warmer days, encouraging residents and visitors alike to relish outdoor activities. As the season progresses into June and July, wind speeds dip again, reminding us of the fleeting nature of May's vibrant breezes and the calm that follows in the hotter months.

Average May Wind Speed in Beijing

The chart displays monthly wind speed patterns in Beijing, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.32.12.22.73.0 m/s2.31.81.61.72.02.32.1
Data source: Beijing May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Beijing Compares to Other Months

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

In May, temperatures in Beijing can vary significantly, ranging from a chilly minimum of 4°C (39°F) to a scorching maximum of 39°C (103°F), with an average temperature around 22°C (72°F). In contrast, January is notably cooler, with minimum temperatures plunging to -19°C (-2°F) and an average temperature of -4°C (26°F), peaking at just 12°C (54°F). Precipitation is also more frequent in May, with 19 mm falling over four days, while January generally sees no rainfall at all. Additionally, humidity levels are higher in May at 58%, compared to 40% in January, contributing to a stark contrast in the comfort levels of the two months. For a deeper dive into January conditions, you can refer to Beijing weather in January.

May and February present stark contrasts in weather conditions. May boasts a significantly warmer climate, with average temperatures reaching 22°C (72°F) and maximums soaring up to 39°C (103°F). In contrast, February is characterized by much colder temperatures, averaging around 0°C (31°F) and dipping to a minimum of -12°C (10°F). Additionally, May experiences a higher level of humidity at 58% compared to February's 41%. Precipitation is also more frequent in May, occurring over four days, while February sees only one day of light rain. For more detailed information on February weather in Beijing, visit Beijing weather in February.

In comparing the weather of March and May, it's clear that May brings significantly warmer temperatures, with averages soaring to 22°C (72°F) compared to March's cooler average of 8°C (46°F). The maximum temperatures in May can reach a sweltering 39°C (103°F), while March's peak is a much milder 27°C (80°F). Precipitation levels remain relatively low for both months, with May recording 19 mm (0.7 in) across four days and March slightly less at 15 mm (0.6 in) over three days. Additionally, humidity increases in May to 58%, compared to March’s 48%. For a detailed overview of the climatic conditions, you can visit Beijing weather in March.

In comparing the weather of May and April, May generally experiences warmer temperatures, with an average of 22°C (72°F) and maximum highs reaching up to 39°C (103°F), while April's average is lower at 16°C (60°F) with peak temperatures of 35°C (95°F). Additionally, May sees a slight increase in humidity at 58% compared to April's 61%, though both months have similar levels of precipitation, with May recording 19 mm (0.7 in) over four days and April also at 19 mm (0.8 in) over just two days. For more details on the conditions during April, you can check Beijing weather in April.

May weather tends to be milder, with temperatures ranging from a cool 4°C (39°F) to a warm 39°C (103°F), averaging around 22°C (72°F). It experiences relatively low precipitation at 19 mm (0.7 in) over just 4 days, with a humidity level of 58%. Conversely, June sees a notable rise in temperatures, with minimums of 13°C (55°F) and maximums reaching up to 42°C (107°F), averaging 27°C (81°F). However, this month also brings increased rainfall, with precipitation totaling 43 mm (1.7 in) across 7 days and humidity rising to 64%. For more specific details, you can check Beijing weather in June.

In May, the weather typically features a broader temperature range, with minimums dipping to 4°C (39°F) and maximums soaring to 39°C (103°F), while the average sits around 22°C (72°F). Precipitation is relatively low at 19 mm (0.7 in), occurring over about four days, and humidity levels average 58%. In contrast, July presents warmer and more humid conditions, with minimum temperatures starting at 17°C (63°F) and reaching highs of 40°C (105°F), averaging 27°C (82°F). However, July is also characterized by a significant increase in rainfall, totaling 202 mm (8.0 in) over about 14 days, and humidity rises to a much higher 78%. For more detailed information, you can check Beijing weather in July.

May and August offer contrasting weather experiences. In May, temperatures range from a cool 4°C (39°F) at night to a warm average of 22°C (72°F) during the day, with a peak reaching 39°C (103°F). The month sees relatively low precipitation, totaling just 19 mm (0.7 in) over about 4 days, and a moderate humidity level of 58%. In comparison, August brings warmer conditions with nighttime lows of 15°C (59°F) and an average of 26°C (79°F), peaking at 38°C (101°F). However, it also experiences significantly higher rainfall, with 128 mm (5.0 in) spread across 11 days, resulting in increased humidity at 78%.

For more detailed insights on the weather patterns, check out Beijing weather in August.

May and September exhibit some notable differences in weather patterns, despite having the same average temperature of 22°C (72°F). In May, temperatures can range from a refreshing 4°C (39°F) at night to a scorching 39°C (103°F) during the day, while September sees a milder temperature range with a minimum of 8°C (47°F) and a maximum of 36°C (98°F). Precipitation is also less frequent in May, with only 19 mm (0.7 in) over 4 days, compared to September's heavier 63 mm (2.5 in) spread over 5 days, and humidity is slightly higher in September at 66% versus 58% in May. For more details on what to expect, check out this link: Beijing weather in September.

In May, temperatures in the region range from a pleasant minimum of 4°C (39°F) to a scorching maximum of 39°C (103°F), with an average of 22°C (72°F). The month sees relatively light precipitation, totaling 19 mm (0.7 in) over about four days, accompanied by a moderate humidity level of 58%. In contrast, October experiences cooler temperatures, with a minimum dropping to -1°C (31°F) and an average of 13°C (56°F), peaking at a milder 32°C (90°F). Additionally, October has more significant rainfall, accumulating 31 mm (1.2 in) over three days, and a higher humidity level of 70%. For more detailed information, you can refer to Beijing weather in October.

In May, temperatures in Beijing are significantly warmer, with averages around 22°C (72°F) and highs reaching up to 39°C (103°F), creating a vibrant spring atmosphere. In contrast, November brings a notable chill, with average temperatures dropping to around 5°C (41°F) and lows plummeting to -9°C (16°F), indicating the approach of winter. While May experiences slightly more precipitation (19 mm) over about four days, November sees less rain (14 mm), albeit with higher humidity at 68%. For more details, you can check Beijing weather in November.

May and December present striking contrasts in weather. In May, temperatures can range from a chilly 4°C (39°F) at night to a sizzling high of 39°C (103°F) during the day, with an average temperature of 22°C (72°F). The month typically sees about 19 mm (0.7 in) of rainfall over four days, accompanied by a humidity level of 58%. In contrast, December brings frigid conditions, with nighttime lows plummeting to -14°C (8°F) and daytime highs reaching only up to 13°C (55°F), creating an average temperature of -2°C (28°F). The month is notably drier, with just 2 mm (0.1 in) of precipitation and humidity resting at 51%. For more details on December's weather, you can visit Beijing weather in December.

Compare Beijing's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Beijing

As May unfolds in Beijing, the weather offers a delightful departure from the extremes of winter, showcasing a mild average temperature that invites outdoor activities. With the mercury rising significantly, the month can reach notably high peaks, yet the overall warmth is tempered by relatively low humidity and light precipitation. Unlike the cooler months that precede it, May brings a vibrant atmosphere, making it an ideal time to explore the city's blooming parks and historic sites. For a deeper dive into Beijing's diverse climate patterns throughout the year, visit Beijing Climate.