Last updated: August 21, 2025
In Haikou, China, August brings a blend of intense heat and humidity, making it one of the hottest months of the year. With daytime temperatures soaring up to 41°C (105°F) and an average of 30°C (86°F), the warmth is palpable. However, the evenings provide some respite as temperatures dip to a comfortable 22°C (71°F). August is also characterized by considerable rainfall, accumulating around 119 mm (4.7 in) over 13 days, creating a muggy atmosphere with humidity levels reaching 87%. Visitors to Haikou should prepare for both sweltering days and the occasional downpour as they experience the vibrant summer of this tropical destination.
In August, Haikou experiences a peak in warmth, with temperatures fluctuating from a minimum of 22°C (71°F) to a sweltering maximum of 41°C (105°F). The average temperature hovers around 30°C (86°F), contributing to the city’s reputation for a hot, humid summer. This month marks a significant rise in temperatures compared to earlier months, notably from July’s average of 29°C (85°F). As the summer progresses, the heat intensifies, setting the stage for a vibrant, sun-soaked atmosphere, ideal for beachgoers and those seeking to enjoy the rich outdoor offerings of this tropical locale.
In August, Haikou experiences a notable decrease in precipitation, accumulating approximately 119 mm (4.7 in) of rainfall over 13 days. This marks a shift from the intense downpours of June and July, where the city sees its highest totals of the year, with June reaching a staggering 407 mm (16.0 in). While August still sustains a healthy amount of rain, the reduction is a clear sign of the city's transition towards drier months ahead, as it shifts into September’s even lower 71 mm (2.8 in). This trend suggests a gradual tapering off of the summer monsoon season, allowing residents to enjoy more dry days while still benefiting from the refreshing intervals of rain.
In August, Haikou, China, experiences a significant level of humidity at 87%, maintaining the high standards set in the preceding summer months. After peaking in July with a staggering 91%, the humidity begins to ease slightly, yet it remains notably high. This trend reveals a summer season characterized by oppressive moisture, with humidity steadily rising from January's 65% to its summer zenith. As the year progresses into September and beyond, you will notice a transition toward lower humidity levels, providing a refreshing contrast to the humid months preceding it. This rhythm of humidity in Haikou exemplifies the city’s tropical climate, where the summer months are undeniably marked by a persistent, thick atmosphere.
In August, Haikou, China, experiences a peak UV Index of 12, categorized as extreme, requiring just 10 minutes for skin to burn. This trend of heightened UV exposure begins in May and remains consistent through August, demonstrating a shift towards more intense sunlight during the summer months. As the year progresses, residents and visitors should be especially mindful of sun protection, since the UV Index significantly drops to 10 in September, marking a transition to very high exposure levels. For those seeking to understand and prepare for Haikou's UV trends throughout the year, more information can be found at Haikou UV Index.
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August shines brightly in Haikou, China, boasting an impressive 315 hours of sunshine. This peak in sunlight follows a progressive ascent throughout the summer months, with July already offering a generous 302 hours. From the beginning of the year, sunshine hours gradually increase, starting from a modest 159 hours in January and climbing steadily, particularly in the spring and early summer. As autumn approaches, the sunshine begins to wane slightly, falling to 266 hours in September. The overall trend reflects Haikou's delightful shift from the cooler, cloudier winter months to a vibrant, sun-soaked summer, making August a quintessential time for basking in the warmth.
In Haikou, China, the chance of sunny weather in August stands at a modest 33%, reflecting a slight uptick from the particularly dreary months of June and July, which hover around 16% and 20% respectively. This trend suggests that while August may not be the sunniest month, it has more potential for clear skies compared to the early summer months. As the year progresses into September, the likelihood of sun rises significantly to 61%, indicating that August serves as a transitional period leading into brighter days. Whether you're planning a visit or simply looking to enjoy the weather, it's clear that August offers a welcome glimmer of sunlight amid the summer's damp spells.
In August, Haikou enjoys a generous 13 hours of daylight, continuing the trend established during the summer months. This peak in sunlight follows a gradual increase from the 10 hours in January to the longer days of late spring and early summer. As the year progresses, daylight hours remain consistent from June through August, providing plenty of time for outdoor activities and exploration. As September approaches, a slight decline begins, gradually ushering in the cooler months, where daylight lessens back to 12 hours. This pattern highlights Haikou's vibrant summer atmosphere while foreshadowing the seasonal transitions ahead.
In August, Haikou experiences a gentle average wind speed of 1.7 m/s (4 mph), slightly dipping from the breezy 2.2 m/s of July. This month marks a transitional phase, as summer winds begin to calm, mirroring a broader trend observed throughout the warmer months. After peaking in July, the winds remain relatively mild, with comparable speeds carried into September. Overall, the winds in Haikou take on a serene quality during late summer, inviting locals and visitors alike to enjoy the stillness of the coastal atmosphere before the winds pick back up in the autumn months.
Weather in Haikou varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Haikou, focusing on differences in temperature, rainfall, humidity, and UV levels.
August and January present stark contrasts in weather conditions. In August, temperatures soar with a minimum of 22°C (71°F) and an average peak of 30°C (86°F), occasionally reaching as high as 41°C (105°F). The month is characterized by high humidity levels at 87% and significant rainfall of 119 mm (4.7 in) spread over 13 days. In contrast, January experiences a much cooler climate, with temperatures ranging from a low of -5°C (24°F) to a mild maximum of 24°C (75°F) and an average of 8°C (46°F). Precipitation is lower at 70 mm (2.7 in) over 9 days and humidity drops to 65%. This marked difference makes August a hot and humid month while January offers a chillier, drier experience. For more details, you can check Haikou weather in January.
August and February exhibit stark contrasts in weather. In August, temperatures soar with a minimum of 22°C (71°F) and an average of 30°C (86°F), peaking at a sweltering 41°C (105°F). The month is characterized by high humidity at 87% and considerable rainfall, experiencing 119 mm (4.7 inches) over 13 days. In contrast, February presents a cooler climate, with temperatures ranging from a low of -3°C (26°F) to a high of 26°C (79°F) and an average of 9°C (48°F). Precipitation is lighter, totaling 83 mm (3.3 inches) across 12 days, and the humidity is more moderate at 71%. For more detailed insights, you can check out Haikou weather in February.
August and March present vastly different weather patterns, characterized by their distinct temperatures and precipitation levels. In August, temperatures soar with a minimum of 22°C (71°F) and an average high of 30°C (86°F), peaking at a scorching 41°C (105°F). The month experiences substantial humidity at 87%, along with 119 mm (4.7 in) of rain over approximately 13 days. In contrast, March offers a much cooler climate, featuring a minimum temperature of just 3°C (38°F) and an average of 14°C (58°F), rising to a maximum of 30°C (86°F). However, it has higher overall precipitation, totaling 205 mm (8.1 in) across 16 days, with a slightly lower humidity level of 81%. For more detailed information, you can check out Haikou weather in March.
When comparing the weather in August and April, notable differences emerge. August is characterized by much warmer temperatures, ranging from a minimum of 22°C (71°F) to a scorching maximum of 41°C (105°F), with an average of 30°C (86°F). In contrast, April experiences milder conditions, with temperatures peaking at 33°C (91°F) and averaging 18°C (65°F), while the minimum dips to 5°C (41°F). Precipitation is more prominent in April, totaling 179 mm (7.0 in) over 14 days, compared to August's 119 mm (4.7 in) over 13 days. Both months have high humidity levels, hovering around 86-87%, but the warmth of August makes it feel more oppressive. For further details about April's weather, you can visit Haikou weather in April.
In comparing the weather between August and May, it is clear that August is significantly warmer, with average temperatures peaking at 30°C (86°F) and maxing out at 41°C (105°F), while May exhibits a milder average of 23°C (74°F) and a maximum of 36°C (97°F). Both months experience high humidity levels at 87%, but May sees more rainfall, totaling 244 mm (9.6 in) over 16 days, compared to August's 119 mm (4.7 in) over 13 days. This difference in precipitation may influence outdoor activities, making May a period of lush greenery and potentially more rain showers. For a more detailed understanding of the weather conditions in May, check out Haikou weather in May.
In comparing August and June weather, August tends to be hotter, with average temperatures reaching around 30°C (86°F) and maximum highs soaring to 41°C (105°F). In contrast, June has a cooler average temperature of 26°C (79°F) and peaks at 36°C (98°F). Despite August's higher temperatures, it experiences less precipitation than June, which records 407 mm (16.0 in) over 20 days compared to August's 119 mm (4.7 in) over 13 days. Both months share similar humidity levels at 87%, but June's increased rainfall may contribute to a more overcast and muggy feel. For a detailed look at June's weather, you can visit Haikou weather in June.
In comparing the weather patterns of August and July, August tends to experience slightly warmer temperatures, with average highs reaching 30°C (86°F) compared to July's average of 29°C (85°F). However, the maximum temperatures soar higher in August, peaking at 41°C (105°F) compared to July's maximum of 39°C (103°F). While both months are humid, August's humidity is marginally lower at 87% than July's 91%. Interestingly, July sees significantly more precipitation, with 300 mm (11.8 in) of rain over 16 days, while August records 119 mm (4.7 in) over 13 days. For more detailed insights on July weather, you can visit Haikou weather in July.
August and September exhibit some notable differences in weather patterns. In August, temperatures range from a minimum of 22°C (71°F) to a scorching maximum of 41°C (105°F), with an average temperature of 30°C (86°F). The month is quite humid, with humidity levels at 87% and significant rainfall totaling 119 mm (4.7 in) over 13 days. In contrast, September sees cooler temperatures, with a minimum of 17°C (63°F) and a maximum of 38°C (101°F), leading to a more comfortable average of 27°C (80°F). Precipitation decreases to 71 mm (2.8 in) over just 9 days, and humidity drops to 72%. For more details on September weather in Haikou, visit Haikou weather in September.
In August, the weather is characterized by high temperatures, with minimums averaging 22°C (71°F) and peaks reaching as high as 41°C (105°F). The month also sees significant humidity at 87%, along with frequent rainfall, totaling 119 mm over 13 days. In contrast, October brings a much cooler climate, with temperatures ranging from a low of 11°C (51°F) to a pleasant average of 21°C (70°F) and maximums hitting 36°C (97°F). Precipitation is considerably reduced to 40 mm over just 6 days, and humidity drops to a more comfortable 74%. For those interested in exploring more details, Haikou weather in October provides further insights.
August and November present contrasting weather conditions. In August, temperatures soar with a minimum of 22°C (71°F) and an average high reaching 30°C (86°F), peaking at a scorching 41°C (105°F). The month is marked by significant humidity at 87% and ample precipitation, accumulating 119 mm (4.7 in) over about 13 days. In stark contrast, November experiences much cooler weather, with temperatures ranging from a low of 3°C (37°F) to a comfortable average of 15°C (59°F), peaking at 29°C (85°F). Additionally, November sees reduced rainfall of 70 mm (2.8 in) over 10 days and slightly lower humidity at 80%. For a more detailed look, check out Haikou weather in November.
In August, the weather is characterized by high temperatures, with a minimum of 22°C (71°F) and soaring daytime highs reaching up to 41°C (105°F), accompanied by high humidity levels at 87%. Rainfall is common, with 119 mm (4.7 in) expected over approximately 13 days. In contrast, December brings a much cooler climate, with temperatures ranging from a chilly -2°C (28°F) to a mild 23°C (74°F) and an average of 9°C (49°F). Precipitation decreases to 57 mm (2.2 in) over about 8 days, contributing to a lower humidity of 78%. For more details, check out Haikou weather in December.
In August, Haikou's weather is characterized by its notable heat and humidity, making it distinctly different from other months. Temperatures soar during this peak summer month, often reaching sweltering highs that invite a balmy atmosphere, while the nights offer a more comfortable respite. With an average temperature around 30°C, the air is thick with humidity at 87%, contributing to a feeling of stickiness that can be quite intense. Additionally, this month sees increased rainfall, with 13 days of precipitation totaling around 119 mm, adding to the summer's tropical feel. If you're looking to understand Haikou's distinct weather patterns further, be sure to check out Haikou Climate for more insights!