May Weather in Beihai, China

Last updated: August 21, 2025

In May, Beihai, China, experiences a delightful blend of warm temperatures and considerable rainfall. With a maximum temperature reaching 32°C (89°F) and an average of 27°C (81°F), the weather offers a pleasant but humid atmosphere, with humidity levels around 76%. While the countryside thrives under the sun, 195 mm (7.7 in) of precipitation falls over approximately 18 days, nourishing the lush flora and maintaining the vibrant beauty of this coastal city. Visitors can expect a mix of sunny days and refreshing showers, making it a perfect time to explore Beihai's natural wonders and cultural gems.

May Temperature in Beihai

May in Beihai, China, marks a delightful transition into the warmer months, with temperatures showcasing a notable rise. The minimum temperature begins at a comfortable 19°C (66°F), while the average climbs to a pleasant 27°C (81°F), reaching a balmy maximum of 32°C (89°F). This increase compared to the previous months reflects the onset of summer, making May an ideal time for outdoor activities and beach outings. As compared to the gradual warming observed from January through April, May stands out with its vibrant warmth, hinting at the tropical allure that Beihai offers in the coming summer months. The combination of inviting temperatures and coastal breezes makes May a perfect month for both locals and visitors to bask in the sun and enjoy the scenic beauty of this coastal city.

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

The chart illustrates May temperature patterns in Beihai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Beihai, 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).
JanFebMarAprMayJunJulAugSepOctNovDec626370758185848483777263
Data source: Temperature data for Beihai 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 Beihai

In Beihai, China, May signifies a dramatic leap in precipitation, with 195 mm (7.7 in) of rainfall recorded over 18 days, marking a sharp increase from the preceding months. This trend showcases the onset of the rainy season, as April’s 141 mm (5.6 in) prepares the ground for May’s downpours. The consistent rise in precipitation is evident, with each successive month from January to May showing a growth in both total rainfall and the number of rainy days, culminating in May's significant contribution to the region’s lush, green landscapes. As summer approaches, the rainfall becomes even more pronounced, setting the stage for the peak months that follow.

May Precipitation Trends in Beihai

The chart displays monthly precipitation patterns in Beihai, 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 Beihai, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec3554591411952803675102781873439
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Beihai

In May, Beihai, China, experiences a noticeable increase in humidity, reaching 76%, which marks a gradual rise from the lower levels recorded earlier in the year. This trend is indicative of the approaching summer months, as humidity continues to climb, peaking at 86% in both July and August. The transition from the relatively drier months of January through April to the more humid conditions of late spring sets the stage for the sweltering summer heat, making May a pivotal point in the climatic shift. As the warmth envelops the region, residents and visitors alike can expect a more tropical atmosphere, heralding the vibrant coastal life that Beihai is known for.

May Average Humidity in Beihai

This chart illustrates the average monthly humidity levels in Beihai, 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 Beihai is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec66%72%73%71%76%79%86%86%78%72%69%70%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Beihai

In May, Beihai, China, experiences a significant peak in UV intensity, as the UV Index reaches 13, categorizing it as extreme and resulting in a dangerously quick burn time of just 10 minutes. This trend of high UV levels continues from April, where the Index also stood at 12, reflecting a general escalation in solar exposure as the months progress toward summer. Interestingly, the UV Index remains at this extreme level through June and July, indicating that outdoor enthusiasts should take serious precautions to protect their skin during these months. As the year advances, May's reading serves as a stark reminder of the need for sun safety measures in Beihai. For more detailed insights, check out the full Beihai UV Index.

Maximum UV Index Levels in Beihai for May

The chart shows the monthly maximum UV Index (UVI) for Beihai 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 Beihai typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec810121213131314121187
Data source: Beihai 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 Beihai

In Beihai, China, the month of May shines with impressive brilliance, boasting 314 hours of sunshine. This marks a significant leap from the earlier months, particularly when compared to January's modest 183 hours. As spring transitions into summer, the region experiences a steady increase in sun-soaked days, peaking in May before slightly tapering off in June and July, with 301 and 310 hours respectively. The trend showcases a vibrant surge in daylight that sets the stage for outdoor enjoyment and vibrant local life, making May a highlight in Beihai's annual climate calendar. Following the sunny crescendo of summer, the sunshine remains generous through September before gradually declining in the subsequent months, but the warming rays of May still linger fondly in memory as the sun's grand springtime offering.

Monthly Sunshine Duration in Beihai: May Highlighted

The May sunshine duration represents the total number of hours Beihai 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.
JanFebMarAprMayJunJulAugSepOctNovDec183h246h249h271h314h301h310h282h296h273h254h240h
Data source: Beihai May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Beihai During May

In Beihai, China, the likelihood of sunny weather in May stands at 37%, a slight dip from the preceding months of January through April, where the sunshine chances fluctuated between 35% to 66%. This trend suggests that while May experiences more sun than the low points in the summer months of June and August, it pales in comparison to the brightness of early in the year. As we transition from the vibrant sun of winter and early spring, May's cloudier disposition serves as a reminder that the sun's reign is diminishing heading into the summer months, where sunny days become less frequent.

Percentage of Sunny Days in May in Beihai

The chart illustrates the percentage of sunny days in Beihai 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 Beihai experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec52%67%38%35%37%15%30%16%39%37%61%51%
Data source: Beihai May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Beihai in May

In Beihai, China, daylight duration gradually increases from 10 hours in January to a peak of 13 hours by May. This trend of elongating days continues through June and July, providing ample sunshine during the summer months. As the year progresses into August, daylight begins to taper back to 12 hours, signaling the onset of autumn. By October and November, daylight shrinks to 11 hours, before returning to 10 hours in December. This seasonal fluctuation offers a captivating rhythm of light that enhances the charm of Beihai throughout the year.

Average Daylight Hours in Beihai for May

The chart illustrates the variation in daylight duration in Beihai throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 58m11h 25m12h 1m12h 38m13h 9m13h 24m13h 16m12h 49m12h 14m11h 37m11h 6m10h 50m
Data source: Beihai daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Beihai

In May, Beihai experiences a refreshing blend of mild breezes, with an average wind speed of 4.5 m/s (10 mph). This gentle flow is part of a broader trend observed in the spring months, where wind speeds tend to hover around the 4 m/s mark, providing a comfortable atmosphere as warmer weather approaches. As summer draws nearer, the winds pick up, peaking in June at 6.2 m/s (14 mph), suggesting an invigorating transition. However, after the initial summer spike, wind speeds revert to a more temperate range in July and August, returning to the familiar 4.4 m/s. This dynamic of fluctuating breezes not only enhances the climate's livability but also contributes to the vibrant coastal charm that Beihai is known for throughout the year.

Average May Wind Speed in Beihai

The chart displays monthly wind speed patterns in Beihai, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.63.64.74.34.5 m/s6.24.44.43.26.95.44.8
Data source: Beihai May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Beihai Compares to Other Months

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

May and January present striking contrasts in weather. In May, temperatures soar with a minimum of 19°C (66°F), an average of 27°C (81°F), and a maximum reaching 32°C (89°F). This warmth is accompanied by significant rainfall, totaling 195 mm (7.7 in) across 18 rainy days and a humidity level of 76%. In stark contrast, January offers much cooler conditions, with temperatures ranging from a minimum of 7°C (45°F) to an average of 17°C (62°F), peaking at 24°C (75°F). Precipitation is considerably less in January, with just 34 mm (1.4 in) over 6 days and a lower humidity of 66%. For more details, you can check Beihai weather in January.

May and February present strikingly different weather patterns. In May, temperatures soar with a minimum of 19°C (66°F) and an average of 27°C (81°F), reaching a maximum of 32°C (89°F). This month experiences significant precipitation, averaging 195 mm (7.7 in) over 18 days, accompanied by a humidity level of 76%. In contrast, February offers milder conditions, with temperatures ranging from a minimum of 8°C (46°F) to an average of 17°C (64°F) and a maximum of 26°C (79°F). Precipitation is considerably less in February, at 54 mm (2.1 in) over just 7 days, and humidity is slightly lower at 71%. For more details, check out Beihai weather in February.

When comparing the weather in May and March, May tends to be considerably warmer and more humid. In May, temperatures range from a minimum of 19°C (66°F) to an average of 27°C (81°F), peaking at 32°C (89°F). There is also notable precipitation, with 195 mm (7.7 in) falling over 18 days. In contrast, March has milder temperatures, with a minimum of 14°C (57°F) and an average of 21°C (70°F), reaching a maximum of 27°C (82°F). Rainfall is significantly less in March, totaling only 59 mm (2.3 in) over 12 days. Humidity levels are slightly lower in March at 73%, compared to 76% in May. For more detailed information on March weather, you can visit Beihai weather in March.

In comparing the weather between April and May, one notes a marked increase in temperature during May. The minimum temperature rises from 16°C (60°F) in April to 19°C (66°F), while the average temperature climbs from 24°C (75°F) to 27°C (81°F), and the maximum temperature reaches 32°C (89°F). May also experiences significantly more precipitation, totaling 195 mm (7.7 in) over 18 days, compared to April's 141 mm (5.6 in) across just 12 days. Additionally, humidity levels are higher in May at 76% versus 71% in April. For more specific details on April weather, visit Beihai weather in April.

May and June exhibit subtly escalating temperatures and increased humidity in the region. In May, temperatures range from a minimum of 19°C (66°F) to a maximum of 32°C (89°F), with an average of 27°C (81°F). However, the month is marked by significant rainfall, accumulating to 195 mm (7.7 in) over 18 days, which contributes to a humidity level of 76%.

In contrast, June warms up further with a minimum temperature of 24°C (75°F) and an average of 29°C (85°F), while still reaching similar maximum temperatures of 32°C (89°F). The month sees a higher precipitation total of 280 mm (11.0 in) spread across 21 days, reflecting a slight rise in humidity to 79%. Overall, while both months share warm temperatures, June tends to be wetter and more humid. For more specific details, you can check Beihai weather in June.

When comparing the weather in May and July, several notable differences emerge. May tends to have slightly cooler temperatures, with minimums around 19°C (66°F) and an average of 27°C (81°F), whereas July experiences warmer nights with minimums at 25°C (78°F) and a slightly higher average of 29°C (85°F). Additionally, July sees increased rainfall, with 367 mm (14.5 in) recorded over 23 days compared to May's 195 mm (7.7 in) over 18 days. Humidity also rises in July to 86%, compared to May's 76%, making it feel more muggy. For a closer look at the specifics, you can check out Beihai weather in July.

In May, the weather typically features a minimum temperature of 19°C (66°F) and averages around 27°C (81°F), peaking at a maximum of 32°C (89°F). However, this month also brings considerable rainfall, with 195 mm (7.7 in) over about 18 days, while humidity levels sit at 76%. In contrast, August experiences warmer temperatures, with a minimum of 26°C (79°F), an average of 29°C (84°F), and a maximum reaching 33°C (92°F). It is notably wetter as well, with precipitation of 510 mm (20.1 in) over 26 days and higher humidity at 86%. For more detailed insights, check out Beihai weather in August.

In comparing the weather of May and September, both months experience warm temperatures, with average highs reaching 32°C (89°F) in May and 32°C (91°F) in September. However, May typically has a slightly lower average temperature of 27°C (81°F) compared to September's 28°C (83°F). Precipitation is notably higher in September, with 278 mm (11.0 in) over 23 days, versus May's 195 mm (7.7 in) over 18 days. Additionally, September's humidity is marginally higher at 78%, compared to May's 76%. For more detailed information, you can check the link Beihai weather in September.

May and October in Beihai present some similarities and differences in weather patterns. Both months feature a range of temperatures, with May experiencing a slightly higher average of 27°C (81°F) compared to October's 25°C (78°F). Notably, both months reach a maximum temperature of 32°C (89°F).

Precipitation is relatively comparable, with May receiving 195 mm (7.7 in) over 18 days, while October sees slightly less at 187 mm (7.4 in) over 14 days. Humidity levels are also high in both months, though May is more humid at 76%, compared to October's 72%. For more specific details on October weather, you can visit Beihai weather in October.

May and November present contrasting weather patterns. In May, temperatures range from a minimum of 19°C (66°F) to a maximum of 32°C (89°F), with an average of 27°C (81°F). This month is characterized by high humidity at 76% and significant rainfall, receiving about 195 mm (7.7 in) over 18 days. In contrast, November sees cooler temperatures, with a minimum of 13°C (56°F) and a maximum of 27°C (81°F), averaging 22°C (72°F). Precipitation is notably lower at 34 mm (1.3 in), occurring over just 6 days, and humidity drops slightly to 69%. For more specific details on November weather, visit Beihai weather in November.

May and December present contrasting weather patterns. May experiences significantly warmer temperatures, with averages around 27°C (81°F) and highs peaking at 32°C (89°F). The month is also quite humid at 76%, accompanied by substantial rainfall of 195 mm (7.7 in) over roughly 18 days. In contrast, December sees much cooler temperatures, with an average of 17°C (64°F) and maximums of 25°C (78°F). The precipitation is considerably lower, totaling only 39 mm (1.5 in) across 7 days, and humidity decreases slightly to 70%. For a detailed look at December weather conditions, you can visit Beihai weather in December.

Compare Beihai's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Beihai

As May arrives in Beihai, the weather transforms into a vibrant tapestry of warmth and moisture, distinguishing it from the cooler, drier months preceding it. With average temperatures climbing to a balmy 27°C, the days become notably more humid, while the increased precipitation makes May one of the wetter months, providing lush landscapes for visitors. The 76% humidity adds a tropical feel, enhancing the experience of outdoor activities amidst the 195 mm of rainfall over approximately 18 days. For those looking to explore the best of Beihai's weather patterns, be sure to check out more detailed insights on Beihai Climate.