Last updated: August 21, 2025
In August, Haikou, China, experiences a tropical climate characterized by high temperatures and significant humidity. The thermometer can reach a maximum of 38°C (100°F), with an average of 28°C (82°F) and dipping to a minimum of 21°C (70°F) during the cooler nights. However, this warmth comes with its share of rainfall, as the city records about 159 mm (6.3 in) of precipitation over 17 days, resulting in a humidity level of 87%. This moist environment can create a steamy atmosphere, making August a time for both sun and showers in this vibrant coastal city.
In August, Haikou, China, reaches the peak of summer, with daytime temperatures soaring to a maximum of 38°C (100°F). The month features a warm minimum of 21°C (70°F) and maintains a comfortably mild average around 28°C (82°F). This trend signifies the transition from the cooler temperatures of early summer, highlighting how the city embraces its tropical climate. As the heat intensifies, residents and visitors alike are drawn to the nearby beaches and refreshing waters, making August a vibrant time to experience the outdoor splendor of Haikou.
August in Haikou, China, typically sees a significant amount of rainfall, registering 159 mm (6.3 in) over 17 days. This marks a continuation of the intense precipitation pattern observed throughout the summer months, following the peak of 309 mm (12.1 in) in June and a robust 199 mm (7.9 in) in July. As summer nears its end, August features a noticeable drop in precipitation compared to the previous months, yet it remains well above the drier autumn months ahead. This pattern highlights Haikou's climate trend, where rainfall is abundant in the summer, gradually tapering off as the year progresses into the cooler months.
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 an extreme UV Index of 12, mirroring the intense levels seen in the preceding summer months. With a burn time of just 10 minutes, it's crucial for residents and visitors alike to take extra precautions under the blazing sun. This trend of extreme UV exposure reflects a consistent pattern from late spring through early autumn, highlighting the importance of sun protection during these peak months. As the season transitions into September, the UV Index slightly decreases to 11, yet still remains in the extreme category. For detailed insights and tips on protecting yourself from the sun’s rays, visit Haikou UV Index.
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August shines as the sunniest month in Haikou, China, basking in an impressive 294 hours of sunshine. This peak not only highlights the summer's vibrant energy but also underscores a steady upward trend from 153 hours in January, gradually building through the spring months. With sunshine hours increasing notably each month, July lays the groundwork for August's brilliance, showcasing a remarkable 269 hours. As the year transitions into September, the sun remains generous, although it dips to 241 hours—still abundant when compared to the winter months. Overall, the data reflects a clear seasonal pattern, celebrating the warmth and radiance that August brings to this coastal city.
In August, Haikou, China experiences a 20% chance of sunny weather, which marks a noticeable dip in sunshine compared to the earlier months of the year. Following a pattern of decreasing sun visibility from May through July, August shows a slight uptick compared to these summer months, yet it remains one of the cloudier periods of the year. Interestingly, this low likelihood of clear skies is contrasted by a more favorable outlook in September, where the chance of sunny weather rises significantly to 39%. This trend suggests that while August may offer milder temperatures, those hoping for sun will likely need to wait a bit longer for clearer skies as the summer transitions into fall.
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 an average wind speed of 1.4 m/s (3 mph), aligning with a trend of gentle breezes throughout the summer months. This slight dip from July's 1.8 m/s (4 mph) signifies a calming of the winds as the season progresses. The consistent wind patterns observed from January to August, where speeds hover around the 3-4 mph mark, suggest a stable and pleasant atmosphere, perfect for exploring the city's coastal charm. As autumn approaches, the wind speed gradually increases again in September, hinting at a refreshing change in the air that transitions into the cooler months ahead.
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 strikingly different weather patterns. In August, temperatures soar with a minimum of 21°C (70°F) and an average of 28°C (82°F), peaking at a scorching 38°C (100°F). This month also brings considerable rainfall, averaging 159 mm (6.3 in) across 17 days, and the high humidity of 87% can make the air feel particularly muggy. In contrast, January experiences a much cooler climate, with temperatures ranging from a minimum of -5°C (24°F) to a comfortable maximum of 26°C (79°F), averaging only 8°C (46°F). Precipitation drops significantly to 44 mm (1.7 in) over just 7 days, and humidity levels are lower at 65%. For a closer look at January weather specifics, you can check Haikou weather in January.
August and February exhibit stark contrasts in weather characteristics. In August, temperatures soar with a minimum of 21°C (70°F) and can reach up to a sweltering 38°C (100°F), while the average is a warm 28°C (82°F). This month is also marked by high humidity at 87% and frequent rainfall, accumulating 159 mm (6.3 in) over 17 days. In contrast, February experiences much cooler temperatures, with a minimum of -5°C (22°F) and an average of 9°C (48°F), peaking at a mild 28°C (82°F). Precipitation is less frequent as well, totaling 65 mm (2.6 in) over just 9 days, accompanied by a lower humidity level of 71%. For more detailed insights on February weather, check out Haikou weather in February.
August and March present starkly contrasting weather conditions. In August, temperatures soar with a minimum of 21°C (70°F) and an average reaching 28°C (82°F), peaking at a scorching 38°C (100°F). The month is notably humid, with humidity levels averaging 87% and experiencing significant precipitation of 159 mm (6.3 in) over 17 days. In contrast, March showcases milder temperatures, with a minimum of 0°C (33°F) and an average of 13°C (56°F), topping out at 31°C (88°F). Although March sees less rainfall at 122 mm (4.8 in) over 15 days, the humidity is slightly lower at 81%. For more information, check out Haikou weather in March.
In a comparison of weather between August and April, it is evident that August is significantly warmer, with average temperatures reaching up to 28°C (82°F) and maximums soaring to 38°C (100°F). In contrast, April's temperatures are much milder, with averages around 17°C (63°F) and a maximum of 33°C (92°F). Furthermore, August experiences more rainfall, accumulating 159 mm (6.3 in) over 17 days, compared to April's 97 mm (3.8 in) over 13 days. Interestingly, both months exhibit high humidity levels, with August at 87% and April slightly lower at 86%. For more detailed insights into April weather, you can visit Haikou weather in April.
When comparing the weather in August and May, notable differences emerge despite their similar humidity levels of 87%. In August, temperatures typically range from a minimum of 21°C (70°F) to a maximum of 38°C (100°F), with an average of 28°C (82°F) and precipitation of 159 mm (6.3 in) over 17 days. In contrast, May boasts cooler temperatures, with a minimum of 10°C (50°F) and an average of 22°C (71°F), while still reaching a maximum of 39°C (103°F). May also experiences higher rainfall, with 207 mm (8.2 in) over 15 days. For more specific details on May weather, you can check Haikou weather in May.
When comparing the weather in August to June, August generally offers warmer temperatures, with a minimum of 21°C (70°F) and an average of 28°C (82°F), whereas June has a lower minimum of 15°C (59°F) and an average of 25°C (76°F). Despite the hotter temperatures in August, it experiences slightly less precipitation, measuring 159 mm (6.3 in) over 17 rainy days compared to June's 309 mm (12.1 in) over 20 days. Both months share the same humidity level of 87%, making them both relatively muggy. For more details on June's weather, you can check Haikou weather in June.
In comparing the weather of August and July, both months showcase warm temperatures with averages around 28°C (82°F). August experiences a slightly higher maximum temperature of 38°C (100°F) compared to July's peak of 37°C (100°F). However, July sees more precipitation, with 199 mm (7.9 in) over 18 days, compared to August's 159 mm (6.3 in) across 17 days. Additionally, the humidity is slightly higher in July at 91%, while August registers at 87%. For a more detailed look at July's weather, you can check Haikou weather in July.
August typically experiences higher temperatures compared to September, with minimums around 21°C (70°F) and daily averages peaking at 28°C (82°F). The maximum temperatures can soar to 38°C (100°F), making it one of the hottest months of the year. Additionally, August is characterized by high humidity at 87% and considerable rainfall, totaling 159 mm (6.3 in) over 17 days. In contrast, September sees a noticeable drop in temperature, with minimums of 15°C (59°F) and an average of 25°C (77°F), while maximum temperatures still reach up to 37°C (99°F). Precipitation also decreases significantly to 98 mm (3.9 in) over 12 days, and humidity levels drop to 72%. For a more detailed insight into September weather patterns, you can visit Haikou weather in September.
August and October present contrasting weather conditions. In August, temperatures are significantly higher, with a minimum of 21°C (70°F) and an average of 28°C (82°F), peaking at a sweltering 38°C (100°F). The month is also marked by considerable rainfall, accumulating 159 mm (6.3 in) over 17 days, coupled with high humidity levels at 87%. In contrast, October sees a notable drop in temperatures, with a minimum of 8°C (47°F) and an average of 19°C (67°F), while the maximum temperature reaches 35°C (96°F). Additionally, precipitation decreases to 66 mm (2.6 in) over just 7 days, and humidity drops to 74%. For more details on October weather, you can check Haikou weather in October.
August and November present stark contrasts in weather. In August, temperatures soar, with a minimum of 21°C (70°F) and averages reaching 28°C (82°F), peaking at a sweltering 38°C (100°F). The month is also characterized by high humidity at 87% and significant rainfall, accumulating 159 mm (6.3 in) over 17 days. In contrast, November experiences much cooler temperatures, with a minimum of 2°C (36°F) and an average of 14°C (58°F), while the maximum hits a milder 31°C (88°F). Precipitation in November drops to 64 mm (2.5 in) across just 8 days, and humidity decreases slightly to 80%. For a more detailed look at the shifting patterns, check out Haikou weather in November.
August and December present stark contrasts in weather. In August, temperatures soar with a minimum of 21°C (70°F) and an average high of 38°C (100°F), creating a hot and humid atmosphere with an average humidity of 87%. The month also sees significant rainfall, with 159 mm (6.3 in) over 17 days. Conversely, December experiences a much cooler climate, featuring a minimum temperature of -2°C (28°F) and an average of 9°C (48°F), with a maximum of 28°C (83°F). Precipitation is notably lower at 38 mm (1.5 in) across just 8 days, accompanied by a moderate humidity level of 78%. For more information, visit Haikou weather in December.
In August, Haikou experiences its peak summer heat, characterized by high temperatures averaging around 28°C and soaring to a maximum of 38°C. While this month is marked by warm conditions, it also brings considerable humidity at 87%, adding to the discomfort of the heat. Additionally, August witnesses a notable increase in precipitation, with rain occurring on approximately 17 days, amounting to 159 mm. This distinguishes August from other months in Haikou, as it is both the hottest and one of the wetter periods of the year. For a deeper understanding of the region's weather patterns, explore Haikou Climate.