Last updated: August 21, 2025
In Haikou, China, July presents a dynamic weather experience characterized by a maximum temperature reaching up to 39°C (103°F) and an average temperature of 29°C (85°F), making it a hot summer month. Nights offer a respite with a minimum temperature of 21°C (70°F). The region experiences a notable precipitation amount of 300 mm (11.8 in) over 16 rainy days, contributing to a high humidity level of 91% that can feel quite intense. This blend of heat and humidity enhances the tropical atmosphere, making July a vibrant yet challenging time for visitors and locals alike.
In July, Haikou, China, experiences some of the hottest temperatures of the year, with minimums reaching 21°C (70°F) and averages soaring to 29°C (85°F). The city basks under the sun with maximums often peaking at an impressive 39°C (103°F), a stark contrast to the cooler winter months. As the summer heat intensifies, the trend is unmistakable: July is not only the warmest month but also indicative of Haikou's tropical climate, setting the stage for opportunities to enjoy outdoor activities amidst the vibrant surroundings. This warmth, coupled with the lush landscapes, makes for an inviting escape, as long as proper hydration and sun protection are employed.
In July, Haikou experiences a notable precipitation peak, with an impressive 300 mm (11.8 in) of rainfall, making it one of the wettest months of the year. This significant downpour occurs over approximately 16 days, contributing to the lush greenness of the landscape. Following the trend established in June—which boasts the highest rainfall at 407 mm (16.0 in)—the July monsoons provide a continued, albeit slightly reduced, surge of moisture. As summer unfolds, this consistent rainfall not only underscores the tropical climate of Haikou but also sets the stage for the drier days ahead in August, where precipitation levels drop sharply to 119 mm (4.7 in). This rollercoaster of rainfall emphasizes the importance of July as a crucial period in Haikou's annual weather cycle.
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.
In July, Haikou experiences a UV Index of 12, placing it in the extreme exposure category and reducing the safe burn time to just 10 minutes. This trend of increasingly intense UV radiation peaks during the summer months, with both June and July sharing the same extreme levels. Following a gradual rise from a UV Index of 6 in January, there's a notable escalation, particularly in March and April, where it hits 9 and 10, respectively. As we move into the heart of summer, the UV Index remains at its zenith, making sun safety practices essential for outdoor activities. For a detailed view of UV intensity throughout the year, visit Haikou UV Index.
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In July, Haikou basks in a glorious 302 hours of sunshine, making it one of the sunniest months of the year. This vibrant month continues the trend of increasing daylight that begins in the earlier spring months, steadily rising from 159 hours in January to its summer peak. Following July, August sees even more sunshine with 315 hours, highlighting the island's sun-drenched climate during the peak of summer. After the sweltering highs of July and August, the sunshine begins to taper off in September, providing a satisfying balance to Haikou's annual weather cycle. This pattern not only delights sun-seekers but also paints a vivid picture of the lively, warm atmosphere that characterizes Haikou during these sunlit months.
In Haikou, China, July presents a unique pattern in weather trends, with only a 20% chance of sunny days. This low likelihood follows a gradual decline in sunshine, beginning from January's relatively bright 58% chance. As the year progresses towards the summer months, the percentages dip significantly, reaching their lowest point in June. Interestingly, while July struggles with sunshine, it is surrounded by August, which sees a notable increase to 33%, hinting at a possible return of brighter days. This seasonal transition showcases the complexity of Haikou's climate, where summer heat does not always equate to sun-filled skies.
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 notable uptick in wind speed, averaging 2.2 m/s (5 mph), making it one of the breezier months compared to the preceding summer. This increase in wind is a refreshing contrast to the calmer conditions observed in June, where the average dipped to 1.6 m/s (4 mph). As the summer progresses, the winds slowly pick up momentum from May's low of 1.8 m/s (4 mph). Notably, July's winds set a positive trend leading into October, which boasts the highest average wind speed of the year at 2.4 m/s (5 mph). This pattern showcases Haikou's dynamic coastal climate, providing both a breath of fresh air during the sweltering summer days and hints at the invigorating autumn winds on the horizon.
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.
The weather in July contrasts sharply with that of January. In July, temperatures soar with a minimum of 21°C (70°F) and an average high reaching 29°C (85°F), peaking at a scorching 39°C (103°F). The month is characterized by high humidity at 91% and significant precipitation, with 300 mm (11.8 in) of rain over 16 days. In contrast, January offers a much cooler climate, featuring a minimum temperature of -5°C (24°F), an average of 8°C (46°F), and a maximum of 24°C (75°F). Precipitation is considerably lower in January at 70 mm (2.7 in) over just 9 days, accompanied by a more comfortable humidity level of 65%. For more detailed insights, check out Haikou weather in January.
July weather is characterized by high temperatures, with a minimum of 21°C and an average of 29°C, peaking at a scorching 39°C. The month also experiences significant rainfall, totaling 300 mm over 16 days, and a high humidity level of 91%, resulting in a sultry atmosphere. In contrast, February offers a much cooler climate, with temperatures ranging from a minimum of -3°C to a maximum of 26°C, averaging around 9°C. Precipitation is markedly lower at 83 mm across 12 days, and humidity sits at 71%, creating a fresher feel compared to the intense heat of July. For more detailed information, you can visit Haikou weather in February.
July and March exhibit stark contrasts in weather conditions. In July, temperatures soar with a minimum of 21°C (70°F) and an average high of 29°C (85°F), peaking at a scorching 39°C (103°F). The month is also characterized by high humidity at 91%, coupled with significant rainfall totaling 300 mm (11.8 in) spread over 16 days. In contrast, March offers a much cooler climate, with temperatures ranging from a minimum of 3°C (38°F) to an average high of 14°C (58°F), peaking at 30°C (86°F). Precipitation in March is lower at 205 mm (8.1 in) and maintains a similar frequency of rainy days, also at 16 days, with humidity at a more comfortable 81%. For a detailed look at Haikou weather in March, visit Haikou weather in March.
When comparing the weather between July and April, it's evident that July experiences much higher temperatures, with average highs reaching 29°C (85°F) and maximums soaring to 39°C (103°F). In contrast, April's temperatures are milder, with an average of 18°C (65°F) and a maximum of 33°C (91°F). While July sees significantly more precipitation at 300 mm (11.8 in) over 16 days, April has less rainfall, totaling 179 mm (7.0 in) across 14 days. Additionally, humidity levels are slightly higher in July at 91%, compared to 86% in April. For more detailed information, check out Haikou weather in April.
In comparing the weather of July and May, July is characterized by significantly higher temperatures, with average highs reaching up to 39°C (103°F), compared to May's maximum of 36°C (97°F). The minimum temperature in July is also notably warmer at 21°C (70°F), while May starts cooler at 11°C (52°F). Despite July's higher temperatures, it experiences more precipitation overall, totaling 300 mm (11.8 in) over 16 days, compared to May’s 244 mm (9.6 in) during the same number of days. Both months have high humidity, but July's humidity level is slightly higher at 91%, compared to 87% in May. For a closer look at May's weather specifics, you can check Haikou weather in May.
In comparing the weather of July and June, July tends to be hotter and more humid. July's average temperature reaches 29°C (85°F), with a maximum of 39°C (103°F), while June sees a lower average of 26°C (79°F) and a maximum of 36°C (98°F). Additionally, July experiences high humidity levels at 91%, slightly above June's 87%. However, June has more precipitation, totaling 407 mm (16.0 in) over 20 days, compared to July's 300 mm (11.8 in) over 16 days. For a more detailed look at June's weather, check out Haikou weather in June.
In comparison to July, August experiences slightly higher temperatures, with a minimum of 22°C (71°F) and an average of 30°C (86°F), peaking at a maximum of 41°C (105°F). While both months are characterized by high humidity—91% in July and a slightly lower 87% in August—August sees a significant reduction in precipitation, totaling 119 mm (4.7 in) over 13 days compared to July's 300 mm (11.8 in) over 16 days. This shift indicates a drier and potentially more comfortable late summer. For a detailed look at the weather specifics in August, you can check Haikou weather in August.
July typically experiences much hotter and more humid conditions compared to September. With average temperatures peaking at 29°C (85°F) and maximums soaring to 39°C (103°F), July is characterized by high humidity levels of 91%, making it feel even warmer. Additionally, July sees significant rainfall, averaging 300 mm (11.8 in) over 16 days. In contrast, September offers a slight reprieve, with cooler average temperatures of 27°C (80°F) and maximums reaching 38°C (101°F). The month also sees much less precipitation, with only 71 mm (2.8 in) distributed over 9 rainy days, and a drop in humidity to a more comfortable 72%. For more detailed information, check out Haikou weather in September.
In July, the weather is characterized by sweltering heat, with temperatures ranging from a minimum of 21°C (70°F) to a scorching maximum of 39°C (103°F) and an average of 29°C (85°F). This month also experiences significant rainfall, totaling 300 mm (11.8 in) over 16 days, and a high humidity level of 91%. In contrast, October offers a much cooler climate, with temperatures dropping to a minimum of 11°C (51°F), peaking at a maximum of 36°C (97°F) and averaging 21°C (70°F). The precipitation in October is considerably lower, at 40 mm (1.6 in) over just 6 days, and humidity decreases to a more comfortable 74%. For a detailed look at Haikou weather in October, you can explore specific conditions during this month.
In July, the weather is characterized by high temperatures with a minimum of 21°C and an average of 29°C, peaking at a scorching 39°C. The month is also marked by significant precipitation, with 300 mm falling over 16 days and humidity levels soaring to 91%. In contrast, November offers a much cooler climate, with temperatures ranging from a minimum of 3°C and an average of 15°C, reaching a maximum of 29°C. Precipitation drops significantly to 70 mm over just 10 days, and humidity levels decrease to 80%. This shift highlights a transition from the sweltering heat and humidity of summer to the more temperate, drier conditions of late fall. For a more detailed look at November’s conditions, visit Haikou weather in November.
In July, the weather is characterized by high temperatures and humidity, with minimums around 21°C (70°F) and scorching averages peaking at 29°C (85°F) and maxima soaring to 39°C (103°F). This month also experiences significant rainfall, totaling about 300 mm (11.8 in) over 16 days, resulting in a humid atmosphere with an average humidity of 91%. In stark contrast, December offers much cooler temperatures, with minimums dropping to -2°C (28°F) and an average of 9°C (49°F), while the maximums reach a comfortable 23°C (74°F). Precipitation is markedly lower at just 57 mm (2.2 in) over 8 days, and the humidity drops to 78%. For more details on the December weather in Haikou, you can check out Haikou weather in December.
In July, Haikou experiences its most intense weather of the year, characterized by sweltering temperatures and high humidity levels, contrasting sharply with the milder conditions of other months. With soaring highs reaching up to 39°C and an average temperature of around 29°C, it’s a month that demands preparation for heat. The pervasive humidity, often peaking at 91%, coupled with frequent rainfall—over half of the month sees precipitation—creates a sticky atmosphere that can be challenging to navigate. For those looking to understand what to expect during this vibrant yet humid time, explore more about the area's climate in detail at Haikou Climate.