Last updated: August 21, 2025
July in Hainan, China features warm temperatures characteristic of summer, with a maximum of 34°C (93°F) and an average of 23°C (74°F). The month also experiences a noticeable drop to a minimum of 13°C (57°F), providing a diverse temperature range. Precipitation is a significant aspect of Hainan’s July weather, with an impressive total of 175 mm (6.9 in) spread over 17 days, contributing to the island's lush greenery. High humidity levels, averaging 84%, create a tropical atmosphere that is both vibrant and inviting, making it a unique time for travelers and locals alike to embrace the warmth and frequent showers.
In July, temperatures in Hainan, China, begin to reflect the warmth of summer. With a minimum of 13°C (57°F) and a maximum reaching up to 34°C (93°F), the month showcases a delightful average of 23°C (74°F). This is a noticeable rise from the cooler early summer months, as June's peak was 36°C (97°F), making July feel slightly more temperate although still quite warm. The trends indicate a shift from the chill of winter, where January's minimum plunged to an astonishing -38°C (-36°F), towards the more pleasant and inviting climes of mid-summer. Overall, the balmy temperatures of July invite both locals and tourists to embrace outdoor activities and explore the lush landscapes that Hainan has to offer.
July marks a significant peak in precipitation in Hainan, China, with an impressive 175 mm (6.9 in) of rainfall. This month experiences not only the highest total rainfall but also a notable increase in precipitation days, reaching 17 days. As the wettest month of the year, July showcases a dramatic contrast to the drier early months, underscoring the shift into the island’s tropical rainy season. Following a gradual rise from just 5 mm in January to 126 mm in June, the sizable leap in July's precipitation reflects the island's climatic patterns, which continue with heavy rain through August. This trend highlights Hainan's vibrant ecosystem, nourished by the abundant rainfall during the summer months.
July in Hainan, China, marks the peak of humidity, reaching a notable 84%. This month stands out as a transition point in the yearly cycle, showing a significant rise from June's 79%. As summer progresses, the humidity levels continue to climb, culminating in August's highest measurement of 87%. Notably, the trend indicates that while the early months of the year witness lower humidity levels—dropping to a comfortable 59% in April—July's sticky air serves as a precursor to the sultry heights of late summer. After the peak, the humidity begins to gradually decrease, signaling a shift towards the cooler months ahead.
As summer reaches its peak in Hainan, China, July stands out with a UV Index of 9, signaling a very high risk of harm from unprotected sun exposure, with a reduced burn time of just 15 minutes. This trend mirrors the gradual increase in UV intensity from earlier months, where the index transitioned from a low of 2 in January to a high of 8 in June. The intensity further reinforces the importance of sun safety during this time, especially as the region shifts back to an index of 8 in August. Therefore, if you're planning outdoor activities in July, it's essential to equip yourself with appropriate sun protection, as the sun's rays are particularly fierce. For more detailed information, check the Hainan UV Index.
UV Risk Categories
In July, Hainan, China, basks in an impressive 341 hours of sunshine, marking it as one of the brightest months of the year. This peak follows a steady increase from January's moderate 182 hours, showcasing a delightful progression of sunny days as spring transitions into summer. The sunshine boasts a warm crescendo, rising from 239 hours in February, reaching 327 hours by June, just before July's sunniest days. After July, however, the rays begin to wane, with August seeing a notable drop to 285 hours, mirrored by a gradual decline through the fall months. This trend encapsulates Hainan's vibrant summer, offering both residents and travelers a golden opportunity to enjoy the outdoors before the sunlight gently retreats.
In Hainan, China, the month of July marks a significant dip in the likelihood of sunny weather, with only a 27% chance of clear skies. This is a stark contrast to earlier months, such as January, which boasts a 62% chance of sunshine. As we progress from spring into summer, the likelihood of sunny days decreases, reaching its lowest point in July before picking up again in October. The trend highlights a seasonal shift, where the earlier months provide brighter prospects, while mid-summer presents a more overcast reality, reminding travelers to pack accordingly if they plan to visit during this time.
In Hainan, China, July marks the peak of summer with an impressive 15 hours of daylight, maintaining the same brightness as June. This consistency highlights a beautiful trend where daylight duration steadily increases from 8 hours in January to a maximum in the summer months, reflecting the region's tropical climate. Following July, daylight begins to gradually wane, tapering down to 14 hours in August and then to 12 hours in September, signaling the transition into autumn. Overall, the pattern showcases Hainan's long, sun-soaked days in the summer, inviting all to enjoy the vibrant landscapes and warm weather.
In July, Hainan experiences a gentle breeze, with an average wind speed of 2.7 m/s (6 mph), slightly declining from the more invigorating currents of earlier months. This softening flow follows a peak in April at 4.0 m/s (9 mph), showcasing a trend of gradually diminishing winds as the summer progresses. Interestingly, July ties with September for the lowest wind speed of the year, suggesting a placid atmosphere perfect for enjoying Hainan's stunning beaches. As the season transitions into the late summer months, a slow uptick occurs in August, returning to 2.9 m/s (7 mph), hinting at a possible resurgence in breezy days ahead. This variability in wind patterns captures the essence of Hainan's tropical charm, drawing visitors to bask in the warmth while the wind takes a leisurely pace.
Weather in Hainan varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Hainan, focusing on differences in temperature, rainfall, humidity, and UV levels.
July and January present stark contrasts in weather. In July, temperatures range from a mild 13°C (57°F) at night to a sweltering 34°C (93°F) during the day, with an average of 23°C (74°F). This month also experiences significant rainfall, totaling 175 mm (6.9 inches) across 17 days and high humidity levels at 84%. In contrast, January is marked by frigid conditions, with temperatures plummeting to a minimum of -38°C (-36°F) and averaging a biting -20°C (-4°F); the maximum barely rises above freezing at -3°C (27°F). Precipitation is minimal, with only 5 mm (0.2 inches) reported over just one day and humidity at 75%. The stark differences between these months highlight the extreme seasonal changes experienced in this region. For more detailed insights, check Hainan weather in January.
July and February present stark contrasts in weather conditions. July boasts temperatures ranging from a chilly 13°C (57°F) at night to a scorching 34°C (93°F) during the day, accompanied by high humidity of 84% and substantial rainfall of 175 mm (6.9 in) over 17 days. In contrast, February sees frigid temperatures that can plunge as low as -33°C (-27°F), with an average temperature of -15°C (5°F) and a maximum of 8°C (47°F). The month experiences minimal precipitation of just 6 mm (0.2 in) across only one day, coupled with a lower humidity level of 70%. This dramatic shift in weather highlights how drastically different summer and winter can be in the region. For more insights on weather trends, check out Hainan weather in February.
The weather in July and March presents a stark contrast, showcasing the dramatic seasonal shifts. July typically offers warm temperatures, ranging from a minimum of 13°C (57°F) to a maximum of 34°C (93°F), with an average of 23°C (74°F). However, this warmth comes with high humidity levels at 84% and significant precipitation of 175 mm (6.9 in) over 17 days. In contrast, March features much colder conditions, with temperatures dipping as low as -31°C (-23°F) and only reaching a maximum of 17°C (63°F), averaging -3°C (26°F). The precipitation in March is minimal, with only 13 mm (0.5 in) over just 3 days, and lower humidity at 63%. For an in-depth look at March weather, you can visit Hainan weather in March.
When comparing the weather in April and July, notable contrasts emerge in temperature, precipitation, and humidity. In July, the minimum temperature hovers around a mild 13°C (57°F), reaching a scorching maximum of 34°C (93°F) with an average of 23°C (74°F). In stark contrast, April features a much cooler climate, with temperatures ranging from a chilly -9°C (16°F) to a pleasant 25°C (78°F), averaging only 7°C (44°F). Precipitation also differs significantly; July experiences substantial rainfall with 175 mm (6.9 in) over 17 days, while April sees much lighter showers totaling 32 mm (1.3 in) across just 4 days. Additionally, humidity levels are markedly higher in July at 84% compared to April's 59%. For further insights into the weather specifics of April, check out Hainan weather in April.
When comparing the weather in July and May, it's evident that July is significantly warmer and more humid. In July, temperatures range from a minimum of 13°C (57°F) to a maximum of 34°C (93°F), with an average temperature of 23°C (74°F). In contrast, May experiences cooler temperatures, with a minimum of 0°C (33°F) and an average of 14°C (58°F), peaking at a maximum of 31°C (89°F). Additionally, July sees much higher precipitation, totaling 175 mm (6.9 in) over 17 days, compared to May's 72 mm (2.8 in) over just 11 days. The humidity is also notably higher in July at 84%, while May maintains a more comfortable 61%. For more detailed insights, you can refer to Hainan weather in May.
In comparison to June, July typically experiences warmer temperatures, with minimums around 13°C (57°F) and average highs reaching 34°C (93°F), while June boasts a lower average temperature of 19°C (67°F) and can peak at 36°C (97°F). July is also marked by higher humidity levels at 84%, compared to June's 79%. Additionally, July sees increased rainfall with 175 mm (6.9 in) over 17 days, whereas June's precipitation is 126 mm (4.9 in) across 15 days. For a more detailed look at the weather in June, you can visit Hainan weather in June.
In comparing the weather of July and August, July typically experiences warmer temperatures, with an average of 23°C (74°F) and highs reaching up to 34°C (93°F). In contrast, August is cooler, featuring an average temperature of 20°C (69°F), with a maximum of 29°C (85°F). Both months see a significant amount of rainfall, with July receiving 175 mm (6.9 in) and August slightly higher at 183 mm (7.2 in), and both months have 17 days of precipitation. Humidity levels are also comparable, at 84% in July and slightly higher at 87% in August. For more detailed insights on August weather, you can visit Hainan weather in August.
July and September present strikingly different weather patterns. In July, temperatures range from a minimum of 13°C (57°F) to a maximum of 34°C (93°F), with an average of 23°C (74°F). This month is characterized by high humidity at 84% and significant rainfall, totaling 175 mm (6.9 in) over 17 days. In contrast, September brings cooler temperatures, with a minimum of 0°C (33°F) and a maximum of 28°C (83°F), averaging at 15°C (59°F). Rainfall decreases to 103 mm (4.1 in) over just 9 days, while the humidity remains relatively high at 85%. For more detailed insights, you can check Hainan weather in September.
In July, the weather is characterized by warm temperatures, with an average of 23°C (74°F) and highs reaching up to 34°C (93°F), making it a peak summer month. However, July also sees significant rainfall, totaling 175 mm (6.9 in) over 17 days, and high humidity at 84%, leading to a muggy atmosphere. Conversely, October experiences much cooler conditions, with average temperatures dropping to 6°C (42°F) and lows plunging to -10°C (15°F), though daytime highs can still reach 27°C (80°F). Precipitation in October is minimal, at only 22 mm (0.9 in) spread over just 4 days, and humidity levels also decrease slightly to 80%. For those interested in more details about the October climate, you can explore Hainan weather in October.
The weather in July and November presents a striking contrast, highlighting the shift from summer warmth to the chill of late autumn. In July, temperatures range from a minimum of 13°C (57°F) to a scorching maximum of 34°C (93°F), with an average of 23°C (74°F). This month is characterized by high humidity at 84% and significant precipitation of 175 mm (6.9 in) over 17 days. In stark contrast, November sees much cooler temperatures, with a minimum of -25°C (-14°F) and a maximum of only 14°C (57°F), averaging -6°C (21°F). Rainfall is considerably less frequent, with only 22 mm (0.9 in) over just 4 days, and humidity drops to 61%. This shift in weather not only affects daily life but also sets the scene for seasonal activities as colder weather takes over. For those interested in more details about the weather in November, you can refer to Hainan weather in November.
The weather in July is characterized by warm temperatures, with averages around 23°C (74°F) and highs reaching up to 34°C (93°F), accompanied by high humidity at 84% and significant rainfall of 175 mm (6.9 in) over 17 days. In stark contrast, December brings extremely cold conditions, with average temperatures dropping to -18°C (0°F) and a maximum of only 6°C (43°F). The month features minimal precipitation of just 9 mm (0.3 in) over 2 days and lower humidity at 60%. The dramatic difference between these two months illustrates the profound seasonal shifts one can expect. For more details about December weather in this region, visit Hainan weather in December.
As July unfolds in Hainan, the weather showcases its characteristic warmth and humidity, distinguishing it from the cooler months of the year. With maximum temperatures soaring to 34°C (93°F) and humidity levels reaching 84%, this month truly epitomizes a tropical climate. The frequent rainfall—17 days of precipitation accumulating to 175 mm (6.9 in)—adds to the lushness of the island, creating a vibrant landscape. While the average temperature hovers pleasantly at 23°C (74°F), the mix of heat and moisture can feel significant. For those seeking to explore Hainan's beauty during the summer, awareness of these conditions is essential. Discover more about the diverse weather patterns throughout the year at Hainan Climate.