Last updated: August 21, 2025
July weather in Haikou, China, is characterized by warm temperatures and high humidity. With maximums reaching a scorching 37°C (100°F) and an average temperature of 28°C (82°F), visitors can expect a distinctly tropical climate. The month sees frequent rainfall, accumulating to 199 mm (7.9 in) over 18 rainy days, contributing to the relative humidity of 91%. This combination of warmth and moisture creates a vibrant atmosphere, making July an ideal time for those who thrive in an immersive, lush environment.
In July, Haikou, China, experiences its warmest temperatures, boasting a minimum of 20°C (69°F) and an average of 28°C (82°F), with the mercury soaring to a maximum of 37°C (100°F). This month stands out as the peak of summer, characterized by hot and humid conditions that prompt locals and visitors alike to seek relief in the coastal breezes. As the heat intensifies, you can expect vibrant summer activities and a bustling atmosphere, making July a lively time to experience the city's charm. With steadily rising temperatures since May, the warmth of July sets the stage for the sultry months that follow, blending sun-soaked days with the allure of tropical adventure.
In July, Haikou experiences a significant volume of rainfall, measuring 199 mm (7.9 in) over approximately 18 days. This steady precipitation marks a decrease from the preceding month of June, which sees the highest rainfall for the year at 309 mm (12.1 in). As the summer reaches its peak, the rain tends to create a tropical atmosphere, contributing to the overall humidity. Following July, August witnesses a further decline in rainfall to 159 mm (6.3 in), highlighting a gradual transition into the drier months ahead. Despite the dip in precipitation, July remains a vital part of Haikou's rainy season, with the frequent showers nurturing the region's lush landscapes, all while maintaining a warm and tropical feel.
In July, Haikou experiences its peak humidity at 91%, making it a particularly steamy month for residents and visitors alike. Following the upward trend from April’s 86%, humidity levels steadily rise, reflecting the intense tropical climate of the region. This increase in moisture is characteristic of the summer months, as temperatures soar and rainfall becomes more frequent. As the season transitions into August, humidity slightly dips to 87%, but the air remains heavy and warm. The overall pattern reveals that while Haikou's humidity fluctuates throughout the year, the summer months consistently bring elevated levels, emphasizing the need for hydration and cool retreats during this sultry season.
July in Haikou, China, continues the trend of extreme UV exposure, maintaining a UV Index of 12. This high reading reflects the persistent intense sun that characterizes the summer months, demanding caution with a quick burn time of just 10 minutes. As the peak of the UV Index season, July aligns with June and August in this regard, showcasing a consistent pattern of extreme UV levels during the heart of summer. Visitors and residents alike should take proactive measures to protect their skin, making sun safety a priority this month. For detailed information on UV levels throughout the year, check out Haikou UV Index.
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In July, Haikou basks in an impressive 269 hours of sunshine, marking one of the peak moments in its yearly weather cycle. This vibrant month is sandwiched between a gradual increase in daylight from 153 hours in January to an impressive high in July, showcasing a consistent upward trend in sunshine hours as spring transitions into summer. The warmth continues into August, where hours reach a maximum of 294, before gently tapering off in the following months. This trend illustrates not just the allure of Haikou’s summer but also hints at the region's increasingly sunny disposition as the year progresses, making the city an ideal escape for sun-seekers during the hottest months.
In Haikou, China, July presents a notable dip in sunshine, with only an 11% chance of clear skies. This trend marks the lowest likelihood of sunshine throughout the year, a stark contrast to the sunnier months of January, which boasts a 53% chance of sun, and even September, where the probability rises to 39%. As the summer progresses, the likelihood of sunlight generally wanes, peaking in the cooler months and highlighting a distinct seasonal pattern. Thus, anyone planning a July visit should be prepared for overcast skies, as sunny weather becomes a rare commodity during this time.
In Haikou, China, the month of July boasts a consistent 13 hours of daylight, mirroring the preceding months of June and August. This summer peak showcases a steady increase in sunlight beginning in January, where the days start with just 10 hours. As the seasons transition, daylight gradually extends, reaching its height during the warm summer months. Following July, the days begin to shorten, signaling the approach of autumn with 12 hours of daylight in September and gradually drifting back to 10 hours by December. This trend reflects Haikou's tropical climate, where long, sunlit days dominate the summer, creating the perfect atmosphere for outdoor activities and exploration.
In July, Haikou experiences a refreshing shift as average wind speeds rise to 1.8 m/s (4 mph), mirroring the breezy conditions of the earlier months like January and March. This slight uptick in wind speed provides a pleasant contrast to the preceding months of spring and late spring, where winds often languished at lower speeds, around 1.4 m/s (3 mph). Despite August seeing a dip to 1.4 m/s, the overall trend in summer indicates a tendency for winds to pick up during mid-year, bringing a welcome respite from the tropical heat. As the summer progresses into fall, residents and visitors alike can anticipate occasional breezes that invigorate the warm July days, making this month a delightful time to enjoy the coastal atmosphere.
Weather in Haikou varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Haikou, focusing on differences in temperature, rainfall, humidity, and UV levels.
July and January exhibit stark contrasts in weather conditions. July boasts a warm climate with temperatures ranging from a minimum of 20°C (69°F) to a scorching maximum of 37°C (100°F), accompanied by high humidity levels of 91%. The month also sees significant rainfall, with precipitation totaling 199 mm (7.9 in) over 18 days. In contrast, January presents a much cooler atmosphere, with temperatures dipping to a minimum of -5°C (24°F) and reaching a comfortable average of 8°C (46°F), peaking at 26°C (79°F). The precipitation is considerably lower, at 44 mm (1.7 in) across just 7 days, and the humidity is also more moderate at 65%. For more details, you can check Haikou weather in January.
When comparing the weather in July and February, the differences are striking. July boasts warm temperatures, with a minimum of 20°C (69°F) and an average of 28°C (82°F), reaching highs of up to 37°C (100°F). However, it also brings significant rainfall, averaging 199 mm (7.9 in) over 18 days, along with high humidity levels of 91%. In contrast, February is much cooler, with temperatures ranging from a minimum of -5°C (22°F) to an average of 9°C (48°F) and a maximum of 28°C (82°F). Precipitation is significantly lower in February, totaling 65 mm (2.6 in) across just 9 days, and the humidity is lower at 71%. For more detailed information, you can check Haikou weather in February.
In comparing the weather conditions of July and March, it’s evident that July is significantly warmer and more humid. While July experiences minimum temperatures of around 20°C (69°F) and average highs reaching up to 37°C (100°F), March offers a much cooler range, with minimums dipping to 0°C (33°F) and average highs around 31°C (88°F). Additionally, July sees an impressive amount of precipitation (199 mm or 7.9 in) over 18 days, while March has less rainfall (122 mm or 4.8 in) spread across 15 days. Despite the slightly lower humidity in March (81% compared to July's 91%), both months still exhibit a considerable amount of moisture. For more detailed insights on the weather in March, you can visit Haikou weather in March.
April and July showcase contrasting weather patterns, with April experiencing cooler temperatures and lower humidity. In April, temperatures range from a minimum of 3°C (38°F) to a maximum of 33°C (92°F), with an average of 17°C (63°F). It sees about 97 mm (3.8 in) of precipitation over approximately 13 days and humidity levels of 86%. In contrast, July is significantly warmer, with temperatures ranging from a minimum of 20°C (69°F) to a scorching maximum of 37°C (100°F), averaging at 28°C (82°F). It also sees higher precipitation at 199 mm (7.9 in) across 18 days, along with elevated humidity levels of 91%. For more insights, check out Haikou weather in April.
When comparing the weather in July and May, July typically experiences warmer temperatures, with average highs of 28°C (82°F) compared to May's 22°C (71°F). However, June can sometimes feel hotter, as it reaches maximum temperatures of 37°C (100°F) while May peaks at a slightly higher maximum of 39°C (103°F). Both months have significant rainfall, with July receiving 199 mm (7.9 in) over 18 days, and May slightly wetter at 207 mm (8.2 in) over 15 days. The humidity is also quite high, with July averaging 91% and May at 87%. For more detailed insights into May's weather, you can check Haikou weather in May.
In comparing the weather of June and July, July tends to be slightly warmer, with average temperatures rising from 25°C (76°F) in June to 28°C (82°F). Both months experience a maximum heat level of 37°C (99°F in June and 100°F in July), but July has more humid conditions, peaking at 91% compared to June's 87%. Interestingly, while July sees a decrease in total precipitation to 199 mm (7.9 in) over 18 days, June is wetter with 309 mm (12.1 in) across 20 days. This difference in rainfall and humidity contributes to a more oppressive feel in July, despite the similar maximum temperatures. For more detailed insights, you can check Haikou weather in June.
In comparing the weather between July and August, both months offer warm temperatures, with July featuring a minimum temperature of 20°C (69°F) and a maximum of 37°C (100°F), while August sees a slight increase in the minimum to 21°C (70°F) and a maximum of 38°C (100°F). The average temperatures remain consistent at 28°C (82°F) for both months. However, July experiences more precipitation, totaling 199 mm (7.9 in) over 18 days, compared to August’s 159 mm (6.3 in) over 17 days. Additionally, humidity levels are a bit higher in July at 91%, whereas August offers slightly drier conditions at 87%. For more specific details on August weather, you can check Haikou weather in August.
July and September present a notable contrast in weather patterns. July tends to be hotter, boasting an average temperature of 28°C (82°F), with minimums of 20°C (69°F) and maximums soaring to 37°C (100°F). However, it is also characterized by high humidity at 91% and significant rainfall, with 199 mm (7.9 in) over 18 days. In contrast, September offers a cooler climate, featuring an average temperature of 25°C (77°F) and a minimum of 15°C (59°F). While it can still reach up to 37°C (99°F), the month is much drier, with only 98 mm (3.9 in) of precipitation across 12 days and lower humidity at 72%. For more details on what to expect in September, visit Haikou weather in September.
July and October present a stark contrast in weather conditions. In July, temperatures soar with a minimum of 20°C (69°F) and an average high of 28°C (82°F), reaching peaks of 37°C (100°F). The month is also characterized by high humidity at 91% and significant rainfall, totaling 199 mm (7.9 in) over 18 days. In comparison, October sees much cooler temperatures, with a minimum of 8°C (47°F) and an average of 19°C (67°F), while still allowing for warm afternoons with a maximum of 35°C (96°F). Rainfall is substantially lower in October at 66 mm (2.6 in) over just 7 days, and humidity dips to 74%. For more details, you can refer to Haikou weather in October.
In July, the weather is characterized by warm temperatures, with a minimum of 20°C (69°F) and an average high reaching up to 37°C (100°F), resulting in a humid environment with 91% humidity. The month experiences significant rainfall, totaling 199 mm (7.9 in) over about 18 days, making it one of the wetter months of the year.
In contrast, November brings a much cooler climate, with minimal temperatures dropping to 2°C (36°F) and an average high of 31°C (88°F). The total precipitation is significantly lower, at 64 mm (2.5 in) across just 8 days, and humidity decreases to 80%. This shift from the sweltering heat and humidity of July to the cooler and drier conditions of November is quite pronounced, offering a different experience for residents and visitors alike. For more detailed insights, check out Haikou weather in November.
In July, the weather is characterized by high temperatures, with a minimum of 20°C (69°F) and average highs reaching 28°C (82°F), while extreme conditions can push the mercury up to 37°C (100°F). The month is also notably humid, with levels at 91% and substantial rainfall totaling 199 mm (7.9 in) over 18 days. In contrast, December experiences much cooler conditions, with temperatures ranging from a minimum of -2°C (28°F) to a maximum of 28°C (83°F), resulting in a much milder average of 9°C (48°F). Precipitation drops significantly to just 38 mm (1.5 in) over 8 days, and humidity decreases to 78%. For more detailed insights, check Haikou weather in December.
July in Haikou brings a sweltering atmosphere marked by high temperatures, with averages soaring to 28°C (82°F) and peaks reaching an impressive 37°C (100°F). Unlike other months, the air feels heavier with significant humidity averaging at 91%, contributing to a sticky discomfort. Additionally, July experiences more rainy days than many other times of the year, totaling around 18 days, and accumulating 199 mm (7.9 in) of rainfall. If you're planning a trip, make sure to prepare for both the heat and the showers! For more details on what to expect throughout the year, visit Haikou Climate.