Last updated: August 21, 2025
In Hefei, China, the month of May ushers in a vibrant transition marked by temperature fluctuations that peak at a scorching 37°C (98°F) and settle around a pleasant average of 23°C (73°F). While the minimum temperature dips to a cool 11°C (52°F), the atmosphere remains teeming with moisture, boasting an impressive humidity level of 84%. This month experiences a total precipitation of 108 mm (4.3 in) over approximately 9 days, highlighting the likelihood of refreshing showers that rejuvenate the landscape. Overall, May in Hefei offers a dynamic blend of warmth and moisture, perfect for outdoor explorations amidst lush, green surroundings.
In Hefei, China, May marks a vibrant transition into the summer months, showcasing mild to warm temperatures that draw residents and visitors outdoors. The month opens with a minimum temperature of 11°C (52°F), gently rising to an average of 23°C (73°F), and reaching a peak of 37°C (98°F) on the hottest days. This significant warmth contrasts sharply with the earlier chill of the winter months, demonstrating a steady upward trend in temperatures as spring unfolds. With abundant sunshine and a gradual increase in warmth, May encapsulates the essence of the bloom and vibrancy of nature, inviting exploration and outdoor activities before the heat of summer truly sets in.
May marks a significant uptick in precipitation in Hefei, China, with an impressive 108 mm (4.3 in) of rainfall, making it one of the wetter months of the year. This is a stark contrast to the preceding months, where precipitation levels hovered around 66 mm (2.6 in) in April. During May, rainfall is spread over 9 days, maintaining a comfortable rhythm of wet weather, conducive to the lush growth of spring. Following closely behind May's deluge, June sees an even higher average of 154 mm (6.1 in), indicating the region's transition into the peak rainy season. Overall, May serves as a pivotal point in Hefei's climate, heralding the arrival of summer storms while reinforcing the gradual increase in both precipitation and rainy days as the season progresses.
In Hefei, China, the month of May experiences a notable humidity level of 84%, maintaining the high standards set in the preceding months of April and March. As spring transitions to summer, humidity levels remain consistently elevated, reflecting a trend that sees a gradual climb from 69% in January to 85% in April. Following May, humidity peaks in the summer months, particularly in July, which soars to 89%. This consistent moisture in the air hints at the region's vibrant seasonal shifts, where the lushness of nature thrives under these humid conditions before tapering down again towards the fall months.
As the sun shines brighter in May, Hefei experiences a UV Index of 10, categorizing it as very high and necessitating careful sun protection. This trend follows April's similar rating, which indicates a significant increase in solar intensity as spring transitions into summer. With a burn time of just 15 minutes, it's crucial for residents and visitors to shield their skin during peak hours. As temperatures rise and the sun's rays grow stronger, this pattern foreshadows an impending extreme UV Index in June, reaching 11. For more information on what to expect, visit the detailed Hefei UV Index.
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As May unfolds in Hefei, China, the city basks in an impressive 282 hours of sunshine, marking a significant peak in brightness as spring transitions into summer. This month continues the upward trend from April's 246 hours, showcasing a delightful increase that reflects the region's warming climate. The sunshine hours steadily rise from January's modest 158 hours, culminating in the sunniest months of July and August, which boast 296 and 297 hours respectively. This vibrant pattern suggests that the sunny days of May serve not only as a beautiful precursor to the summer but also as a reminder of Hefei's gradually shifting weather, inviting residents and visitors alike to embrace the outdoors.
As May approaches in Hefei, China, the likelihood of sunny weather hovers around 27%, reflecting a modest chance of bright skies. This percentage continues a downward trend from previous months, with April and March showing even lower probabilities of sunshine at 26% and 28%, respectively. Despite the slight dip, May does precede a gradual increase in sunny potential as summer ushers in higher figures, with June and August promising 29% and 33% chances. Overall, while May's prospects for sunny days may appear limited, the arrival of warmer months hints at more favorable weather ahead.
As spring unfolds in Hefei, China, daylight duration gradually increases, peaking in June with a generous 14 hours of sunlight. This captivating progression begins in January with just 10 hours, gaining an hour in February and maintaining that length in March. By April, days extend to 12 hours, and May treats residents to 13 hours of daylight, heralding the vibrant energy of summer. Following June's zenith, daylight begins to recede, with July and August both offering a warm 13 hours. As fall approaches, daylight gently decreases, wrapping up the year with 10 hours of daylight in November and December. This rhythmic cycle of light not only defines the seasons but also enriches the daily lives of Hefei’s inhabitants.
May in Hefei, China experiences a consistent average wind speed of 2.7 m/s (6 mph), mirroring the calm breezes of January and April. This moderate wind contributes to the pleasant spring atmosphere, ideal for outdoor activities as nature comes alive. Following May, there's a noticeable uptick in wind speeds during the summer months, particularly in July when winds can reach 3.5 m/s (8 mph). Overall, the trend shows a gentle spring breeze transitioning into stronger summer gusts, allowing residents and visitors to enjoy the beauty of Hefei's changing seasons.
Weather in Hefei varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Hefei, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January present starkly contrasting weather patterns. In May, temperatures range from a mild 11°C (52°F) to a scorching 37°C (98°F), with an average of 23°C (73°F) and higher humidity at 84%. The month also experiences 108 mm (4.3 in) of precipitation over about 9 days. In contrast, January offers much colder conditions, with temperatures dipping as low as -14°C (8°F) and averaging around 4°C (39°F), reaching a maximum of 18°C (65°F). This winter month sees significantly less precipitation at 51 mm (2.0 in) over about 6 days, and lower humidity levels at 69%. For more details, you can check Hefei weather in January.
May and February exhibit striking contrasts in weather conditions. In May, temperatures range from a mild minimum of 11°C (52°F) to a sweltering maximum of 37°C (98°F), with an average temperature of 23°C (73°F). The month experiences higher humidity at 84% and receives approximately 108 mm (4.3 inches) of precipitation over nine days. In contrast, February is much colder, with temperatures dipping as low as -12°C (10°F) and peaking at 27°C (81°F), averaging around 6°C (43°F). It sees significantly less rainfall, totaling 52 mm (2.0 inches) over the same number of days, and lower humidity at 72%. For a more detailed look at February weather, check out Hefei weather in February.
In comparing the weather between March and May, one can see a significant transition. March experiences cooler temperatures, with a minimum of 1°C (34°F) and an average of 12°C (55°F), while May boasts a much warmer minimum of 11°C (52°F) and an average temperature of 23°C (73°F). Additionally, the maximum temperature in May can reach as high as 37°C (98°F), compared to March's peak of 29°C (84°F). Precipitation levels are also higher in May, with 108 mm (4.3 in) over 9 days, compared to 68 mm (2.7 in) across 11 days in March. Despite the increase in rainfall in May, humidity remains relatively high in both months, with May at 84% and March slightly lower at 82%. For more details, you can check Hefei weather in March.
In comparison to April, May brings significantly warmer temperatures, with an average of 23°C (73°F) compared to April's 17°C (63°F). While April experiences a maximum of 32°C (90°F), May can reach as high as 37°C (98°F). Precipitation is higher in May at 108 mm (4.3 in) over 9 days, compared to 66 mm (2.6 in) in April, although both months have the same number of rainy days. Humidity remains fairly consistent between the two months, with April at 85% and May slightly lower at 84%. For more detailed information on April's weather, you can visit Hefei weather in April.
May and June share similar humidity levels at 84%, but they exhibit distinct temperature patterns and precipitation amounts. In May, temperatures range from a minimum of 11°C (52°F) to an average of 23°C (73°F), with a peak at 37°C (98°F). However, June sees a warmer minimum of 17°C (62°F) and a higher average temperature of 26°C (79°F), while maxing out at 36°C (97°F). Additionally, June experiences more rainfall, with a total precipitation of 154 mm (6.1 in) over 10 days compared to May's 108 mm (4.3 in) over 9 days. For a detailed look at the specifics of June weather, check out Hefei weather in June.
In May, temperatures in Hefei range from a cool min of 11°C (52°F) to a warm max of 37°C (98°F), with an average temperature of 23°C (73°F). The month sees about 108 mm (4.3 in) of precipitation over 9 days, with humidity levels at 84%. In contrast, July experiences significantly warmer temperatures, with a minimum of 20°C (69°F), an average of 29°C (84°F), and a peak of 39°C (103°F). This month also has higher rainfall, totaling 231 mm (9.1 in) over 15 days, and a slightly elevated humidity level of 89%. For more detailed weather information, check out Hefei weather in July.
May and August present distinct weather characteristics, reflecting the transition from spring to summer. In May, temperatures range from a cooler minimum of 11°C (52°F) to a warm maximum of 37°C (98°F), with an average of 23°C (73°F). The month sees about 108 mm (4.3 in) of precipitation over 9 days, and humidity remains high at 84%. Conversely, in August, the weather becomes notably warmer, featuring a minimum temperature of 21°C (70°F) and an average of 29°C (84°F), peaking at 38°C (101°F). With increased rainfall of 170 mm (6.7 in) over 11 days, the humidity stays consistent at 84%. For more detailed insights about August weather, visit Hefei weather in August.
In May, the weather tends to be warmer and more humid, with average temperatures hovering around 23°C (73°F), peaking at a maximum of 37°C (98°F). The month also sees significant rainfall, with 108 mm (4.3 in) of precipitation over 9 days and a high humidity level of 84%.
In contrast, September brings slightly milder conditions, with average temperatures at 25°C (77°F) and a maximum of 36°C (97°F). The precipitation is lower at 78 mm (3.1 in) across the same number of rainy days, and humidity drops to a more comfortable 68%.
For more specific insights about September weather, you can check out Hefei weather in September.
In comparing the weather of May and October, we see notable differences in both temperature and precipitation. May tends to be significantly warmer, with average temperatures reaching up to 23°C (73°F) and highs soaring to 37°C (98°F), while October's temperatures average around 18°C (65°F), peaking at 35°C (96°F). Additionally, May experiences higher humidity at 84% compared to October's 71%, making it feel warmer during the day. Precipitation in May is also heavier, with about 108 mm (4.3 in) over 9 days, whereas October sees less rain, totaling 58 mm (2.3 in) over 6 days. For more detailed insights, you can check out Hefei weather in October.
May and November present quite different weather experiences. In May, temperatures range from a mild 11°C (52°F) at night to a scorching 37°C (98°F) during the day, with an average temperature of 23°C (73°F). The month sees considerable rainfall, accumulating 108 mm (4.3 in) over about 9 days, accompanied by high humidity levels of 84%. In contrast, November features more moderate conditions, with temperatures varying from a chilly 0°C (32°F) to a comfortable 27°C (81°F) and an average of 13°C (55°F). Rainfall is significantly less at 35 mm (1.4 in) over approximately 6 days, and humidity levels remain similar at 83%. For more on November weather, check out Hefei weather in November.
The weather in May and December presents a striking contrast. In May, temperatures can soar, with averages around 23°C (73°F) and maximums reaching up to 37°C (98°F), coupled with high humidity levels of 84% and significant rainfall of 108 mm over 9 days. In contrast, December brings much cooler conditions, with average temperatures dropping to 6°C (43°F) and a maximum of 19°C (66°F). The month is drier, featuring only 31 mm of precipitation over 6 days and lower humidity at 76%. For more detailed information, you can check Hefei weather in December.
As spring transitions into summer, May in Hefei is marked by a delightful tang of warmth and high humidity, making it noticeably different from the cooler months preceding it. With average temperatures rising to a comfortable level, outdoor activities beckon, even though occasional rain can temper the heat. The higher humidity contributes to a lush landscape, enveloping the city in vibrant greenery. As you explore, be prepared for some rainfall spread over several days, but don't let that deter your spirit—May offers a vibrant tapestry of weather that truly sets the stage for the forthcoming summer. For a deeper understanding of Hefei's climate, visit Hefei Climate.