Last updated: August 21, 2025
May in Beihai, China offers a delightful transition into warmer weather, with maximum temperatures reaching up to 30°C (86°F) and an average of 19°C (66°F). While the days bring warmth, nights can be pleasantly cool, with a minimum temperature dropping to 9°C (48°F). Visitors should be prepared for frequent rainfall, as the city experiences 108 mm (4.3 in) of precipitation over 18 days during the month, coupled with a humidity level averaging 74%. This combination of warmth and moisture creates a lush atmosphere that is ideal for exploring Beihai’s natural beauty and vibrant culture.
In May, Beihai, China, welcomes the beauty of spring with temperatures that range from a comfortable 9°C (48°F) at night to a pleasant 30°C (86°F) during the day. The average temperature settles at around 19°C (66°F), marking a noticeable shift from the cooler months preceding it. This transition into warmer weather is characterized by longer daylight hours and an uplift in outdoor activities, as locals and tourists alike enjoy the balmy climate. With each passing month leading into summer, May stands out for its vibrant warmth and the promise of more sunshine, making it an ideal time for exploring the coastal charm of Beihai.
In Beihai, China, May marks a significant transition in precipitation patterns, with 108 mm (4.3 in) of rainfall spread over 18 days. This uptick from April's 92 mm signifies the onset of the wetter summer months, as the region braces for an increase in storm activity. Notably, the trend shows a steady rise in precipitation leading into June, where totals soar dramatically to 265 mm (10.4 in), highlighting the gradual shift from the milder, drier spring into a season characterized by more intense and frequent rainfall. As May bridges these contrasting phases, the richer moisture levels set the stage for a vibrant summer landscape.
As the year progresses in Beihai, China, humidity levels demonstrate a clear upward trend, particularly evident in May when humidity climbs to 74%. This increase marks a significant rise from the drier months of March and April, which hover around 44% and 48% respectively. The transition into summer is marked by a dramatic leap in humidity, reaching 88% by June and peaking at 93% in July. Such high humidity levels in the warmer months suggest a shift towards a more tropical climate, setting a distinctive atmosphere for the coastal city. As the summer fades into fall, humidity levels remain notably elevated, maintaining a humid environment well into October and November, before tapering off slightly in winter.
As May arrives in Beihai, China, the UV Index reaches a significant 14, marking it as an extreme exposure category. This increase in UV radiation signals a shift from the high levels seen earlier in the year, with burn times dropping sharply to just 10 minutes. Following the trend of preceding months, where indexes steadily climbed from 7 in January to the current level, May continues to emphasize the importance of sun protection. With the summer months approaching, Beihai residents and visitors should remain vigilant against the sun’s effects, especially as June and July are projected to reach a peak UV Index of 15. Make sure to take precautions to enjoy the beautiful sunny days safely. For more insights, check out the Beihai UV Index.
UV Risk Categories
As May arrives in Beihai, China, the city basks in an impressive 341 hours of sunshine, marking it as one of the sunniest months of the year. This peak elevates May's brightness above April's 323 hours and underscores a delightful transition from the cooler spring. Following the sunny trend, the earlier months of the year show a gradual increase, with January's 251 hours steadily climbing through February and March. However, as the summer heat kicks in, a significant drop occurs in July, where sunshine falls to 205 hours. Interestingly, the latter half of the year sees a return to more favorable sunny conditions, suggesting that Beihai boasts a charming blend of vibrant, sun-soaked days that are perfect for savoring the coastal beauty.
As spring transitions into summer, May in Beihai, China presents a notable shift in weather patterns. With a 34% chance of sunny weather, May experiences a significant drop from the sunniest months earlier in the year, like February, which boasts a high of 77%. This trend suggests that while May may still offer some bright days, it is increasingly overshadowed by the impending summer months where the likelihood of sunshine dramatically plummets. Moving into June, the sunshine chances drop to a mere 10%, highlighting the importance of planning outdoor activities carefully during this time. As the season progresses, Beihai residents and visitors alike should embrace May's fleeting sunlight before the drearier days of summer begin to dominate the forecast.
In Beihai, China, the trend of daylight duration showcases a gradual increase as winter fades and spring unfolds. Starting with 10 hours of daylight in January, residents experience a boost to 11 hours in February. As March arrives, 12 hours of sunlight become the norm, continuing through April. May marks a delightful peak with 13 hours of daylight, a duration that remains consistent through June and July, allowing for longer outdoor activities and enjoyment of the vibrant summer. However, as summer yields to autumn, daylight gradually decreases, with 12 hours in August and September, followed by a gentle decline back to 10 hours by December. This seasonal rhythm illustrates the dance of daylight that enhances the natural allure of Beihai throughout the year.
In May, Beihai experiences a gentle breeze with an average wind speed of 1.3 m/s (3 mph), slightly lower than the previous month's 1.5 m/s. This trend of diminishing wind speeds continues into June, where they drop to 1.1 m/s. As the year progresses, the wind tends to ease, particularly during the summer months of July and August, where it reaches a calm 1.0 m/s. Overall, while the early months of the year, like March and April, showcase a mild uptick in wind speed, May signals the start of a gradual decline that characterizes the latter half of the year. This serene wind pattern in May contributes to Beihai’s inviting atmosphere, perfect for outdoor activities and coastal enjoyment.
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 two distinct weather profiles. In May, the temperatures range from a minimum of 9°C (48°F) to a maximum of 30°C (86°F), with an average of 19°C (66°F). This month sees considerable precipitation, totaling 108 mm (4.3 in) and occurring on 18 days, along with a humidity level of 74%. In contrast, January offers much cooler temperatures, with a minimum of -2°C (28°F) and a maximum of 23°C (73°F), averaging around 10°C (50°F). Precipitation is significantly lower at 30 mm (1.2 in) over just 4 days, and the humidity is also less at 65%. For more detailed weather conditions, you can check Beihai weather in January.
May and February present stark contrasts in weather patterns. In May, temperatures range from a cool 9°C (48°F) to a warm high of 30°C (86°F), averaging around 19°C (66°F). The month also sees significant rainfall, with 108 mm (4.3 in) of precipitation over 18 days, and humidity levels averaging 74%. In contrast, February is much cooler, with temperatures varying from a low of -1°C (30°F) to a maximum of 24°C (76°F), leading to a more temperate average of 11°C (52°F). Rainfall is minimal at 33 mm (1.3 in) across just 6 days, and the humidity is slightly lower at 69%. For a deeper dive into February's climate, check out Beihai weather in February.
When comparing the weather in May and March, it's evident that May is significantly warmer and more humid. In May, temperatures range from a minimum of 9°C (48°F) to a comfortable average of 19°C (66°F), peaking at 30°C (86°F). Additionally, May experiences higher precipitation, with 108 mm (4.3 in) spread over 18 days, leading to a humidity level of 74%. In contrast, March has a cooler temperature range, with a minimum of 1°C (34°F) and an average of 14°C (58°F), while the maximum reaches 28°C (82°F). March sees less rainfall, totaling 57 mm (2.2 in) across only 10 days, and the humidity is notably lower at 44%. For more details on March's weather, you can visit Beihai weather in March.
In comparing the weather of May and April, it’s clear that May tends to be warmer than April, with average temperatures rising from 16°C (62°F) in April to 19°C (66°F) in May. The maximum temperature in April reaches 29°C (84°F), while May can soar up to 30°C (86°F). However, May also brings more precipitation, with 108 mm (4.3 in) falling over 18 days compared to April's 92 mm (3.6 in) over 13 days. Additionally, the humidity increases significantly in May, averaging 74%, compared to a lower average of 48% in April. For more details on the weather in April, you can check out Beihai weather in April.
May and June exhibit notable differences in weather patterns. In May, temperatures range from a minimum of 9°C (48°F) to a maximum of 30°C (86°F), with an average of 19°C (66°F). This month experiences 108 mm (4.3 inches) of precipitation over 18 days and has a humidity level of 74%. In contrast, June sees slightly warmer temperatures, with a minimum of 14°C (57°F), an average of 21°C (70°F), and a maximum of 29°C (84°F). However, June is significantly wetter, receiving 265 mm (10.4 inches) of rain over 28 days and exhibiting higher humidity at 88%. For a detailed overview of June weather conditions, you can check Beihai weather in June.
In May, the weather features a broad range of temperatures, with a minimum of 9°C (48°F) and an average of 19°C (66°F), reaching a maximum of 30°C (86°F). Precipitation is moderate, totaling 108 mm (4.3 in) over 18 days, and humidity averages around 74%.
In contrast, July experiences a warmer and wetter climate, with minimum temperatures rising to 17°C (63°F) and an average of 21°C (70°F), while still peaking at 30°C (86°F). Rainfall increases significantly, reaching 415 mm (16.3 in) across 29 days, and humidity levels soar to 93%.
For more detailed insights on July's weather, check out Beihai weather in July.
May and August present contrasting weather patterns. In May, temperatures range from a low of 9°C (48°F) to a high of 30°C (86°F), with an average of 19°C (66°F) and relatively moderate humidity at 74%. However, it experiences about 108 mm (4.3 in) of precipitation over 18 days. In contrast, August sees warmer temperatures, with a minimum of 16°C (61°F) and a maximum of 31°C (88°F), averaging 21°C (71°F). The month is considerably wetter, with 368 mm (14.5 in) of rainfall spread across 29 days and higher humidity at 91%. For a detailed overview of August weather, visit Beihai weather in August.
May and September present distinct weather patterns, each with its own charm. In May, temperatures range from a minimum of 9°C (48°F) to a maximum of 30°C (86°F), with an average temperature of 19°C (66°F). While May experiences relatively moderate precipitation at 108 mm (4.3 in) over 18 days, humidity sits around 74%. In contrast, September tends to be warmer overall, with a minimum of 12°C (54°F) and a maximum of 28°C (83°F), averaging 21°C (69°F). However, it also sees increased rainfall, totaling 188 mm (7.4 in) across 25 days, and a higher humidity level of 88%. For more specific information on September weather, you can visit Beihai weather in September.
In comparing the weather patterns of May and October, both months exhibit similar average temperatures around 19°C (66°F), but with notable differences in extremes and precipitation. May tends to be warmer, with maximum temperatures peaking at 30°C (86°F), whereas October reaches a milder maximum of 28°C (83°F). Additionally, October experiences slightly higher precipitation, with 125 mm (4.9 in) over 18 days compared to May's 108 mm (4.3 in) across the same number of days. The humidity in October is also notably higher at 86%, compared to 74% in May. For a detailed look at October weather, visit Beihai weather in October.
May and November present contrasting weather patterns. In May, temperatures can range from a minimum of 9°C (48°F) to a maximum of 30°C (86°F), with an average of 19°C (66°F). This month experiences considerable rainfall, totaling 108 mm (4.3 in) over about 18 days and a relative humidity of 74%. In stark contrast, November sees much cooler temperatures, with a minimum of 2°C (36°F) and a maximum of 25°C (77°F), averaging around 14°C (58°F). Precipitation is significantly lower in November, at 32 mm (1.2 in) over just 6 days, along with increased humidity at 85%. For a deeper understanding of November weather in specific regions like Beihai, check out Beihai weather in November.
May and December present contrasting weather conditions, showcasing the shift from spring to winter. In May, temperatures range from a minimum of 9°C (48°F) to a maximum of 30°C (86°F), with an average of 19°C (66°F). The month is characterized by higher precipitation, accumulating 108 mm (4.3 in) over 18 days, and a humidity level of 74%. In stark contrast, December sees significantly cooler temperatures, with a minimum of -1°C (30°F), an average of 11°C (52°F), and a maximum of 22°C (72°F). Precipitation drops to just 20 mm (0.8 in) over 3 days, while humidity slightly increases to 79%. For an in-depth look at December's climate, you can refer to Beihai weather in December.
As May unfolds in Beihai, the weather ushers in a refreshing transition, marked by warmer temperatures and increased humidity, which can feel quite different from the preceding months. With daytime highs reaching a comfortable 30°C, the average temperature invites outdoor exploration, while the nights tend to be milder as temperatures dip to about 19°C. However, May is also notable for its frequent rainfall, with precipitation occurring on nearly half the days of the month. These conditions contribute to the lush greenery that characterizes the region this time of year. For those planning to visit, understanding the unique climate of May is essential, and further details can be found at Beihai Climate.