May Weather in Bohai, China

Last updated: August 21, 2025

In Bohai, China, May ushers in the warmth of late spring, with temperatures peaking at a maximum of 32°C (90°F) and averaging a comfortable 13°C (56°F). The month witnesses a refreshing blend of weather, transitioning from chilly lows around 0°C (33°F). Rainfall is moderate, with 78 mm (3.1 in) recorded over approximately 12 days, contributing to the region's lush greenery. With a humidity level of 72%, the air remains pleasantly moist, creating an inviting atmosphere for outdoor activities and exploration in this vibrant coastal area.

May Temperature in Bohai

In May, Bohai, China experiences a remarkable transition into warmth as the region shakes off the lingering chill of winter. With minimum temperatures rising to 0°C (33°F) and average temperatures reaching a comfortable 13°C (56°F), the month ushers in a refreshing shift. Daytime highs can soar to a balmy 32°C (90°F), creating perfect conditions for outdoor activities and enjoying the blossoming landscape. This trend marks a distinct improvement from April’s coolness, reflecting a steady ascent into summer and showcasing the region's ability to transform dramatically within just a few weeks. As May unfolds, it brings not only warmth but also a vibrant atmosphere bustling with life.

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

The chart illustrates May temperature patterns in Bohai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bohai, 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).
JanFebMarAprMayJunJulAugSepOctNovDec5112944566372695944279
Data source: Temperature data for Bohai 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 Bohai

May marks a significant shift in precipitation levels in Bohai, China, as the region experiences a noticeable increase with 78 mm (3.1 in) of rainfall over 12 days. This upsurge continues the trend established in the spring months, where precipitation steadily rises from a mere 7 mm in January to 37 mm in April. The dramatic bump in May heralds the onset of the summer season, setting the stage for even more substantial rainfall in the following months, peaking at 183 mm in August. This pattern not only showcases a clear transition from the drier winter months but also signals the arrival of the wet season, emphasizing the region's climactic shift and its influence on local ecosystems and agriculture.

May Precipitation Trends in Bohai

The chart displays monthly precipitation patterns in Bohai, 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 Bohai, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec71026377810811018387384110
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Bohai

As spring transitions into summer in Bohai, China, May offers a notable shift in humidity levels, registering at 72%. This is a slight increase from the 65% recorded in April, signaling the gradual rise in moisture that characterizes the approaching summer months. Following May, humidity levels surge dramatically, peaking at an overwhelming 89% in August. Overall, the trend reflects a pattern where humidity begins relatively high in the winter, dipping in spring before climbing steeply by mid-summer. This fluctuation emphasizes the region's weather dynamics, creating a humid environment that can be both energizing and stifling as the year unfolds.

May Average Humidity in Bohai

This chart illustrates the average monthly humidity levels in Bohai, 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 Bohai is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%75%70%65%72%82%87%89%84%83%67%70%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Bohai

As May arrives in Bohai, China, the UV Index climbs to a notable 8, marking the onset of very high sun exposure risks. This is a significant leap from the previous month’s 7, underscoring a clear trend of increasing sun intensity as summer approaches. With a burn time of just 15 minutes, residents and visitors alike need to be vigilant about sun protection. This uptick in UV levels highlights the importance of preparation as outdoor activities become more popular in warmer weather. As the months progress, UV Index values will peak, making it essential to stay informed and protected. For more details, visit the Bohai UV Index.

Maximum UV Index Levels in Bohai for May

The chart shows the monthly maximum UV Index (UVI) for Bohai 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 Bohai typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec23578910107532
Data source: Bohai 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 Bohai

May brings a delightful surge of sunshine to Bohai, China, with 303 hours of radiant daylight, marking a peak in the spring season. As the days lengthen from the cool embrace of January's 188 hours to March's 276 hours, the gradual increase in sunlight fosters a vibrant atmosphere. This upward trend continues into April, where the sun begins to warm the landscape more substantially with 288 hours of light. Following May, the sunshine continues to flourish into summer, reaching a zenith of 339 hours in July. However, the golden days gradually transition into the later months, with August to October witnessing a gentle decline yet still maintaining a robust 292 hours in August. Overall, the sunshine patterns illustrate a captivating seasonal rhythm in Bohai, bringing joy and life to its inhabitants as they bask in the brilliance of the warmer months.

Monthly Sunshine Duration in Bohai: May Highlighted

The May sunshine duration represents the total number of hours Bohai 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.
JanFebMarAprMayJunJulAugSepOctNovDec188h230h276h288h303h317h339h292h284h261h216h228h
Data source: Bohai May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Bohai During May

As spring unfolds, the chances of sunny weather in Bohai, China, take a noticeable dip in May, dropping to 38%. This decline continues the trend established in April, where sunny days are likewise less frequent. The shift from the brisk, sunny days of winter—boasting a 59% likelihood in January—to May's moderate sunshine hints at the transition into the summer months, where the chance for sun slides further down to 31% in June. This suggests that while May might bring some pleasant days, it’s less reliable for sun-seekers compared to earlier months. So, as you plan activities, be prepared for a mix of weather, balancing expectations with the whims of springtime in Bohai.

Percentage of Sunny Days in May in Bohai

The chart illustrates the percentage of sunny days in Bohai 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 Bohai experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec59%48%55%46%38%31%29%32%33%54%41%66%
Data source: Bohai May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Bohai in May

As the year unfolds in Bohai, China, the trend in daylight duration paints a vibrant picture of seasonal change. January begins with a modest 9 hours of daylight, gradually increasing to 10 hours in February and reaching 11 hours by March. The arrival of April brings a refreshing leap to 13 hours, setting the stage for May, when daylight peaks at a glorious 14 hours. This sunny momentum continues into June and July, where the region enjoys maximum brightness with 15 hours of daylight. However, as summer wanes, daylight gradually recedes, tapering to 13 hours in August, then 12 hours in September, and finally down to 10 hours by October. The cycle closes with the shorter days of November at 9 hours and a mere 8 hours in December, underscoring the rhythmic ebb and flow of light throughout the year.

Average Daylight Hours in Bohai for May

The chart illustrates the variation in daylight duration in Bohai throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 16m10h 26m11h 55m13h 27m14h 45m15h 25m15h 5m13h 56m12h 28m10h 57m9h 37m8h 55m
Data source: Bohai daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Bohai

In May, the Bohai Sea experiences a gentle return to calmer winds, with an average speed of 2.8 m/s (6 mph), mirroring the breezy conditions of January. Following a brief uptick in wind speeds during the more transitional months of March and April, which both held steady at 3.3 m/s (7 mph), May marks a shift towards a more stable atmosphere as the summer approaches. This consistency reflects a broader seasonal trend where wind speeds generally decline from spring into summer, with June and July recording their lowest averages of 2.3 m/s (5 mph) and 2.0 m/s (5 mph), respectively. As the winds soften, the region prepares for warmer days, inviting a tranquil embrace of the season by the coastline.

Average May Wind Speed in Bohai

The chart displays monthly wind speed patterns in Bohai, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.83.33.13.32.8 m/s2.32.02.82.22.73.23.2
Data source: Bohai May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Bohai Compares to Other Months

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

May and January present strikingly different weather patterns. In May, temperatures range from a minimum of 0°C (33°F) to a maximum of 32°C (90°F), with an average of 13°C (56°F), while January experiences much colder temperatures, with lows plummeting to -32°C (-25°F) and highs barely reaching 2°C (35°F), averaging -15°C (5°F). May also sees significantly more precipitation, with 78 mm (3.1 in) falling over about 12 days compared to January's mere 7 mm (0.3 in) over just 2 days. Interestingly, despite May feeling quite humid at 72%, January’s humidity is similar at 78%, but the cold temperatures make it feel much more frigid. For a closer look at January's weather, visit Bohai weather in January.

The weather in May contrasts sharply with that of February. May boasts a mild average temperature of 13°C (56°F), with highs reaching up to 32°C (90°F), making it a pleasant month for outdoor activities. In contrast, February's temperatures plummet to a chilling average of -12°C (12°F), with maximums only reaching 6°C (44°F). Additionally, May experiences significantly more precipitation at 78 mm (3.1 in) over 12 days, while February sees just 10 mm (0.4 in) across only 3 days. Although February has slightly lower humidity at 75%, the overall chill makes it feel much colder compared to the warmer and more humid May. For detailed information, you can check out Bohai weather in February.

The weather in May is significantly warmer compared to March, with temperatures ranging from a minimum of 0°C (33°F) to a maximum of 32°C (90°F) and an average of 13°C (56°F). In contrast, March experiences much colder conditions, featuring minimum temperatures plummeting to -26°C (-15°F), an average of -2°C (29°F), and a maximum of 20°C (68°F). Additionally, May receives more precipitation, with 78 mm (3.1 in) over 12 days, while March sees only 26 mm (1.0 in) across 6 days. Humidity levels are relatively similar, at 72% in May and 70% in March. For more detailed insights into March weather, you can refer to Bohai weather in March.

In comparing the weather of April and May, we notice a significant warming trend. April experiences a minimum temperature of -7°C (20°F) and an average of 7°C (44°F), while May's temperatures range from a minimum of 0°C (33°F) to an average of 13°C (56°F), peaking at a much warmer 32°C (90°F). Precipitation also differs, with April receiving 37 mm (1.5 in) over 8 days compared to May's 78 mm (3.1 in) over 12 days, indicating that May is not only warmer but also slightly wetter. The humidity rises in May to 72%, up from April's 65%, contributing to a more muggy feel. For more detailed information about April conditions, you can visit Bohai weather in April.

May and June exhibit notable differences in weather patterns. In May, temperatures range from a minimum of 0°C (33°F) to a maximum of 32°C (90°F), with an average of 13°C (56°F). Precipitation in May totals 78 mm (3.1 in) over approximately 12 rainy days, accompanied by a humidity level of 72%. In contrast, June experiences a warmer climate, with minimum temperatures of 6°C (43°F) and an average rising to 17°C (63°F), while still reaching a maximum of 32°C (90°F). Rainfall increases to 108 mm (4.3 in) over 15 days, contributing to a higher humidity of 82%. For more specific weather insights, you can check out Bohai weather in June.

In comparing the weather between May and July, we can observe significant differences in temperature and humidity levels. May experiences a wider range of temperatures, with a minimum of 0°C (33°F) and a maximum of 32°C (90°F), while July sees warmer averages, with temperatures ranging from 11°C (52°F) to a high of 34°C (94°F). Additionally, July is characterized by higher humidity at 87%, compared to May's 72%, contributing to a more tropical feel during the midsummer month. Precipitation also sees an increase in July, with 110 mm (4.3 in) falling over 12 days, compared to May’s 78 mm (3.1 in) over the same number of days. For more detailed insights into the July weather specifically in Bohai, visit Bohai weather in July.

May and August present contrasting weather patterns, highlighting the transition from spring to summer. In May, temperatures range from a minimum of 0°C (33°F) to a maximum of 32°C (90°F), with an average of 13°C (56°F). The month experiences 78 mm (3.1 in) of precipitation spread over 12 days and a humidity level of 72%. In comparison, August sees higher temperatures, with a minimum of 6°C (43°F) and a maximum of 35°C (95°F), averaging around 20°C (69°F). However, it also brings significantly more rainfall, totaling 183 mm (7.2 in) over 17 days, along with increased humidity at 89%. For a detailed overview of August weather conditions, you can visit Bohai weather in August.

May and September present contrasting weather patterns, particularly in temperature and humidity. In May, temperatures can range from a chilly 0°C (33°F) at night to a warm 32°C (90°F) during the day, with an average of 13°C (56°F). The month experiences about 78 mm (3.1 in) of precipitation over roughly 12 days, and humidity levels sit at 72%. On the other hand, September features slightly cooler nights with a minimum temperature of -1°C (31°F) and daytime highs peaking at 28°C (82°F), averaging 15°C (59°F). Rainfall increases to 87 mm (3.4 in) over 10 days, accompanied by higher humidity at 84%. For more detailed weather information, check Bohai weather in September.

May typically offers a warmer climate with temperatures ranging from a minimum of 0°C (33°F) to a maximum of 32°C (90°F) and an average of 13°C (56°F). It's a month characterized by higher precipitation at 78 mm (3.1 in) over approximately 12 days, along with a humidity level of 72%. In contrast, October experiences a significant drop in temperatures, starting at a minimum of -8°C (19°F) and averaging 6°C (44°F), while the maximum reaches 27°C (81°F). The month sees lower precipitation totals of 38 mm (1.5 in) over about 6 days and slightly higher humidity at 83%. This shift illustrates a transition from the warmth of spring to the crispness of autumn. For more detailed insights, check out Bohai weather in October.

May and November present stark contrasts in weather. In May, temperatures begin at a minimum of 0°C (33°F) and can soar to a maximum of 32°C (90°F), with an average of 13°C (56°F). The month experiences significant humidity at 72% and sees about 78 mm (3.1 in) of precipitation over 12 days. In contrast, November features much colder temperatures, with a minimum of -19°C (-1°F) and an average of -3°C (27°F), peaking at 15°C (59°F). This month is drier, with only 41 mm (1.6 in) of precipitation spread across just 5 days and a slightly lower humidity of 67%. For a detailed look at the weather conditions in November, check Bohai weather in November.

May and December present stark contrasts in weather conditions. In May, temperatures range from a minimum of 0°C (33°F) to a maximum of 32°C (90°F), with an average of 13°C (56°F). This month experiences frequent rainfall, totaling 78 mm (3.1 in) over about 12 days, contributing to a relatively high humidity level of 72%. In contrast, December boasts much colder temperatures, with a minimum of -29°C (-21°F) and an average of -13°C (9°F), peaking at just 7°C (45°F). Precipitation is significantly lower in December, at only 10 mm (0.4 in) over 2 days, and humidity is slightly lower at 70%. For more detailed insights on December weather, check Bohai weather in December.

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Conclusion: What to Expect From May Weather in Bohai

As May unfolds in Bohai, temperatures begin to rise, offering a delightful contrast to the chill of earlier months. With an average warmth settling around 13°C (56°F) and peaks soaring to a maximum of 32°C (90°F), the month marks a significant transition towards more pleasant days. While rainfall persists with about 12 days of precipitation totaling 78 mm (3.1 in), humidity remains relatively high at 72%, adding to the fresh feel of spring. Compared to the cooler temperatures and sparse rainfall experienced in April, May invites residents and visitors alike to embrace the outdoors and relish vibrant blooming landscapes. For a deeper dive into the region's climate patterns, explore Bohai Climate.