Last updated: August 21, 2025
In May, Dalian, China, experiences a dynamic shift in weather, showcasing maximum temperatures soaring to 34°C (94°F) while maintaining a pleasant average of 19°C (66°F). The month can start with brisk days as temperatures dip to a chilly 4°C (40°F) overnight. Rainfall is common, with a total precipitation of 62 mm (2.4 in) spread across approximately 7 days, contributing to a humidity level of around 65%. This blend of warmth and moisture fosters a vibrant atmosphere, making May an exciting time to explore all that Dalian has to offer.
In Dalian, China, May marks a distinct transition into warmth, as temperatures begin to rise noticeably from the lingering chill of winter. With a minimum of 4°C (40°F) and an inviting average of 19°C (66°F), the city welcomes the onset of spring, culminating in a delightful maximum of 34°C (94°F). This significant leap from the cooler months showcases Dalian's ability to rapidly shift into a more temperate climate, providing a vibrant backdrop for outdoor activities and cultural festivities. The trend evident in May hints at the approaching summer, where temperatures will continue to soar, but for now, the mild weather invites residents and visitors alike to revel in the blossoming beauty of the season.
In May, Dalian experiences a significant uptick in precipitation, with an average of 62 mm (2.4 in) of rainfall spread over 7 days. This marks a notable increase from the previous months, where the precipitation averaged only 27 mm in April. As spring transitions to summer, the rain not only nourishes the lush landscape but also prepares the region for the upcoming downpours of June and August, which see even higher totals. The gradual escalation in rainfall signifies the shift towards the wetter season, underscoring May as a pivotal month in Dalian's climatic rhythm.
As spring gives way to summer, May in Dalian, China, experiences a noticeable rise in humidity, peaking at 65%. This marks a significant increase from the more temperate months preceding it, with April sitting at 55%. The transition is clear: as temperatures warm, the air becomes increasingly moist, setting the stage for the sweltering conditions of summer when humidity soars to its highest levels, reaching 82% in July and 83% in August. This gradual climb from the crisp, cooler months of winter and early spring demonstrates Dalian's shift towards a more humid climate, preparing residents and visitors for the balmy days ahead.
As May arrives in Dalian, China, the UV Index remains elevated at 8, signaling a very high exposure category that demands caution for outdoor enthusiasts. This trend follows April's similar UV levels, indicating a continuous rise in sun intensity as summer approaches. With a burn time of just 15 minutes, it's crucial to take protective measures to avoid skin damage. Looking back, the UV Index gradually escalates from a low of 2 in January to a peak of 10 by July and August. For anyone venturing outside this May, staying informed and protected is essential—learn more about the UV Index in Dalian by visiting Dalian UV Index.
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May in Dalian, China, is a radiant embrace of nature's splendor, boasting an impressive 325 hours of sunshine. As spring gives way to summer, the increase in sunlight marks a delightful trend that starts in the earlier months, with hours climbing steadily from 202 in January to 295 in April. This upward trajectory peaks in June and July, where sunshine hours hover around the high 320s, creating an inviting atmosphere for outdoor activities and local festivities. Dalian's continued sunlight in May not only enhances the beauty of its coastal scenery but also reflects a vibrant shift towards warmer days ahead, promising a summer filled with warmth and joy.
As spring unfolds in Dalian, China, the likelihood of sunny weather in May demonstrates a noticeable shift, falling to 50%—a stark contrast to the sunnier months of earlier in the year. While January boasts a robust 67% chance of sunshine, this steadily declines through April, where it reaches 54%. The subsequent drop to May reflects the transition into summer, leading into a prolonged period of reduced sunny days that continues into the peak of summer. This trend highlights a pivotal turning point, where the promise of sunshine in earlier months gives way to the unpredictability of summer weather, offering a mixed bag for those looking to enjoy the outdoors.
As spring unfolds in Dalian, China, daylight duration gradually extends, reaching a delightful 14 hours by May. This month marks a significant transition, as the longer days continue from April's 13 hours, creating a vibrant atmosphere perfect for outdoor activities. The trend of increasing daylight persists into June, peaking at 15 hours, before starting to recede gently with the arrival of summer's end. Following this peak, daylight duration begins its gradual waning, reminding us of the cyclical nature of the seasons and the bright, energetic days of late spring that precede a warm, sunlit summer.
As May arrives in Dalian, China, the wind begins to pick up, ushering in a refreshing breeze with an average wind speed of 4.6 m/s (10 mph)—the highest so far this year. This marks a noticeable increase from April, which recorded 4.4 m/s (10 mph), suggesting a trend of escalating winds that can be exhilarating for outdoor enthusiasts. Interestingly, after May, the winds taper off, with June seeing a return to calmer conditions at 3.3 m/s (7 mph). This peak in May not only makes it an ideal time for kite flying and sailing but also signals the transition to summer, as the winds begin to dance gently before settling into a more stable rhythm in the following months.
Weather in Dalian varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Dalian, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January present a striking contrast in weather conditions. In May, temperatures range from a chilly 4°C (40°F) to a warm 34°C (94°F), with an average of 19°C (66°F). The month experiences about 62 mm (2.4 in) of precipitation over approximately 7 days, coupled with a humidity level of 65%. In contrast, January features frigid temperatures, with a minimum of -23°C (-9°F) and a maximum of 7°C (44°F), averaging -8°C (19°F). This month sees much less precipitation at just 4 mm (0.2 in), occurring over only 1 day, and a lower humidity level of 54%. For more detailed information about January's weather, you can refer to Dalian weather in January.
May and February exhibit stark contrasts in weather patterns. In May, temperatures range from a chilly 4°C (40°F) at night to a warm 34°C (94°F) during the day, with an average temperature of 19°C (66°F). The month sees moderate precipitation, totaling 62 mm (2.4 in) over about 7 days, alongside a humidity level of 65%. In contrast, February is much colder, with temperatures dipping as low as -20°C (-3°F) and peaking at a maximum of only 13°C (56°F), resulting in an average temperature of -4°C (25°F). Precipitation is minimal at 8 mm (0.3 in) across just 2 days, and humidity sits lower at 44%. For more detailed information about February weather, you can visit Dalian weather in February.
When comparing the weather in May and March, the differences are quite striking. May typically experiences a much warmer range of temperatures, with a minimum of 4°C (40°F), an average of 19°C (66°F), and a maximum reaching 34°C (94°F). In contrast, March tends to be significantly cooler, with temperatures ranging from a low of -12°C (11°F) to a high of 19°C (67°F), making it quite chilly. Additionally, May sees increased precipitation, averaging 62 mm (2.4 in) over 7 days with a humidity level of 65%, while March is relatively dry with only 13 mm (0.5 in) of rain falling over just 3 days and a lower humidity of 48%. For a detailed overview of the conditions during this time, check out Dalian weather in March.
In comparing the weather of May and April, we notice a significant increase in temperature and humidity. May brings a minimum of 4°C (40°F) and an average high of 34°C (94°F), while April's temperatures range from a chilly -3°C (27°F) to a maximum of 30°C (86°F). Additionally, May experiences greater humidity at 65%, compared to April's 55%. Precipitation also sees a rise, with May receiving 62 mm (2.4 in) over 7 days, compared to April's 27 mm (1.1 in) over just 5 days. This shift indicates a transition from the cooler, drier conditions of April, described in more detail here: Dalian weather in April, to the warmer, more humid climate of May.
May and June exhibit notable differences in weather patterns. In May, temperatures range from a minimum of 4°C (40°F) to a maximum of 34°C (94°F), with an average temperature of 19°C (66°F). The month experiences 62 mm (2.4 in) of precipitation over about 7 days, accompanied by a humidity level of 65%. In contrast, June sees warmer conditions, with temperatures starting at a minimum of 12°C (54°F) and soaring to a maximum of 38°C (100°F), averaging 23°C (74°F). Rainfall increases slightly to 77 mm (3.0 in) over 8 days, while humidity rises to 71%. For a more detailed look at the climate, check out Dalian weather in June.
May and July present notably different weather patterns. In May, temperatures range from a cool minimum of 4°C (40°F) to a warm maximum of 34°C (94°F), with an average of 19°C (66°F). This month experiences 62 mm (2.4 in) of precipitation over about 7 days, accompanied by a moderate humidity of 65%. In contrast, July is characterized by a much warmer climate, with temperatures ranging from a minimum of 16°C (61°F) to a scorching maximum of 37°C (98°F) and an average of 27°C (80°F). Precipitation increases to 99 mm (3.9 in) over 11 days, and humidity rises significantly to 82%. For more detailed insights, check out Dalian weather in July.
In comparing the weather between May and August, it's evident that August is significantly warmer and more humid. In May, temperatures range from a minimum of 4°C (40°F) to a maximum of 34°C (94°F), while August sees temperatures starting at 10°C (50°F) and peaking at 38°C (101°F). Additionally, May experiences an average precipitation of 62 mm (2.4 in) over 7 days, whereas August is much wetter, with 216 mm (8.5 in) of rainfall spread across 15 days. The humidity also increases in August, reaching 83% compared to May's 65%. For a more detailed look at August's climate, check out Dalian weather in August.
May and September exhibit some notable differences in weather patterns. In May, temperatures range from a minimum of 4°C (40°F) to a maximum of 34°C (94°F), with an average of 19°C (66°F). The month experiences about 62 mm (2.4 in) of precipitation over approximately 7 days, combined with a humidity level of 65%. In contrast, September presents slightly milder conditions, with minimum temperatures of 6°C (42°F), an average of 20°C (68°F), and a maximum of 31°C (88°F). However, it sees increased precipitation at 97 mm (3.8 in) across about 9 days, alongside a higher humidity level at 72%. For a more detailed look at September's climate, check out Dalian weather in September.
May and October present contrasting weather patterns. In May, temperatures range from a minimum of 4°C (40°F) to a maximum of 34°C (94°F), with an average of 19°C (66°F). This month tends to be moderately humid at 65%, with about 62 mm (2.4 in) of precipitation falling over approximately 7 days. In contrast, October experiences a more pronounced chill, with temperatures dipping to a minimum of -2°C (28°F) and peaking at 29°C (85°F), averaging around 12°C (53°F). Although October sees a slightly lower total precipitation of 50 mm (2.0 in) over about 5 days, the humidity increases to 76%. For more detailed insights into daily conditions, visit Dalian weather in October.
In May, the weather is warm and vibrant, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 34°C (94°F) and an average of 19°C (66°F). The month experiences about 62 mm (2.4 in) of precipitation over approximately 7 days, contributing to a moderate humidity level of 65%. In contrast, November brings a cooler climate, where temperatures dip significantly, with a minimum of -12°C (12°F) and an average of just 3°C (38°F), while the maximum reaches 21°C (70°F). Precipitation decreases to 32 mm (1.3 in) across 4 days, and humidity slightly rises to 66%. For more details on November weather, you can check Dalian weather in November.
May and December present a stark contrast in weather conditions. In May, temperatures range from a minimum of 4°C (40°F) to a maximum of 34°C (94°F), with an average of 19°C (66°F). The month experiences around 62 mm (2.4 in) of precipitation over approximately 7 days, coupled with a humidity level of 65%. In contrast, December brings much colder temperatures, with a minimum of -18°C (-1°F) and a maximum of 11°C (52°F), resulting in an average of -5°C (23°F). Precipitation is significantly lower in December, with only 7 mm (0.3 in) over about 1 day and humidity at a cooler 52%. For more detailed insights into December weather, you can check Dalian weather in December.
As May unfolds in Dalian, the weather begins to shift dramatically, bringing a delightful warmth that sets it apart from the cooler months earlier in the year. With an average temperature of 19°C, this month experiences more comfortable conditions, inviting residents and visitors alike to enjoy outdoor activities. While the maximum temperature can soar to a sizzling 34°C, the refreshing sea breezes help to moderate the heat. Comparatively, May brings more precipitation than the preceding months, with about seven rainy days contributing to the overall humidity of 65%. This transitional period not only marks the arrival of spring in full bloom but also offers a perfect blend of sun and rain, nurturing the lush landscapes that Dalian is renowned for. For more details on the climate throughout the year, visit Dalian Climate.