Last updated: August 21, 2025
In October, Haikou, China, boasts a delightful mix of warm temperatures and refreshing breezes. With a maximum temperature reaching 36°C (97°F) and a comfortable average of 21°C (70°F), the month offers an inviting climate for outdoor activities. While visitors can enjoy plenty of sunshine, they should also be prepared for occasional showers, as the city experiences an average precipitation of 40 mm (1.6 in) over about 6 days. Coupled with a humidity level of 74%, the weather is ideal for exploring Haikou's rich culture and scenic landscapes while relishing the vibrant atmosphere of late summer into autumn.
In October, Haikou experiences a pleasant shift in temperatures, with minimums dropping to around 11°C (51°F) and averages settling at a comfortable 21°C (70°F). The warmth of the day reaches its peak at a maximum of 36°C (97°F), continuing the trend of lingering summer heat before the cooler months set in. Compared to the sweltering heat of August, which peaks at a striking 41°C (105°F), October brings a welcome reprieve, providing a harmonious blend of warmth and coolness. This moderate climate makes it an inviting time for outdoor activities as the tropical humidity begins to lessen, setting the stage for enjoyable fall exploration in the vibrant coastal city.
In October, Haikou experiences a notable decrease in precipitation, with only 40 mm (1.6 in) of rainfall spread over 6 days. This drop is a sharp contrast to the heavier downpours seen in the preceding months, particularly June and July, which recorded over 400 mm of rain. The reduced rainfall in October marks a transition from the intense summer monsoon season to the drier conditions of late autumn. With fewer rainy days, residents and visitors can enjoy clearer skies and milder weather, making it an ideal time for outdoor activities and exploration. Overall, October serves as a bridge to the declining precipitation patterns that characterize the end of the year in Haikou.
In October, Haikou experiences a notable shift in humidity, settling at 74% after the sweltering heights of summer. This month marks a transition from the peak levels seen in July and August, where humidity soared to 91% and 87%, respectively. As autumn approaches, the air begins to feel somewhat crisper, providing a welcome respite from the oppressive mugginess of previous months. Despite the drop, October retains a higher humidity level compared to the drier winter months ahead, such as January and February, which start around 65% and ramp up through the spring. Thus, while October offers a slight decline, it remains enveloped in moisture, reflecting Haikou's tropical climate and setting the tone for the upcoming shift into drier seasonal patterns.
As summer fades, October in Haikou brings a slightly lower UV Index of 8, categorized as very high, necessitating vigilance during sun exposure. While the October levels are a decrease from the extreme values seen in the peak months of May through August, the burn time remains steep at just 15 minutes. This trend highlights a gradual transition from the sweltering summer sun towards more moderate conditions in the coming months. Residents and visitors alike should remain aware of the increased risk of skin damage, even as the weather cools. For more details on UV exposure, check out Haikou UV Index.
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October in Haikou, China, welcomes a warm embrace of 239 hours of sunshine, continuing the trend of abundant daylight seen in the preceding summer months. As temperatures gradually cool from the sweltering heights of 315 hours in August, the sunshine still provides a generous glow that brightens the landscape. This month stands as a bridge between the earlier extremes of summer and the more moderate autumn, slightly less sunny than September's 266 hours, yet significantly more luminous than the winter months ahead. The shift in daylight hours reflects a seasonal transition, offering residents and visitors alike the perfect setting to enjoy outdoor activities amid comfortably warm weather, making October an ideal time to savor the vibrant natural beauty of Haikou.
In October, Haikou, China, experiences a 39% chance of sunny weather, a promising statistic that situates the month favorably among the annual trends. Following a sunny September, which boasts a robust 61% chance of sun, October sees a slight dip but still offers many bright days for outdoor enthusiasts. This month stands out with a higher likelihood of sunshine compared to the wetter summer months, such as June and July, which fall below 20%. As the year progresses towards winter, the chance of sun increases again in November, rising to 49%. Thus, October presents an inviting window of opportunity for those looking to enjoy pleasant weather before the seasonal shifts take hold.
In Haikou, China, October ushers in a gentle transition as daylight hours begin to wane, offering approximately 11 hours of sunlight. This shift follows a peak in the summer months, where June through August enjoy a robust 13 hours of daylight. As the year progresses, daylight lingers longer during the spring and summer, peaking in May and gradually tapering off into the autumn months. Notably, October marks a subtle decline from September's 12 hours, hinting at the impending winter months that will eventually settle into 10 hours of daylight by November and December. This rhythmic ebb and flow of daylight not only enhances the beauty of Haikou’s landscape but also sets the stage for seasonal changes that influence life in this vibrant city.
As October arrives in Haikou, China, residents and visitors alike can feel a noticeable shift in the breeze. With an average wind speed of 2.4 m/s (5 mph), October stands out as a month of invigorating airflow, the strongest of the year. Compared to the lighter breezes of summer, which dipped to lows of 1.6 m/s in June and 1.7 m/s in both August and September, October offers a refreshing change that heralds the transitioning seasons. This slight uptick not only brings a lively atmosphere to the coastal city but also signals a departure from the calmer months prior, highlighting the dynamic nature of Haikou’s climate as it embraces the cooler, breezier days of fall.
Weather in Haikou varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Haikou, focusing on differences in temperature, rainfall, humidity, and UV levels.
In October, the weather typically features a warm range with average temperatures around 21°C (70°F) and highs reaching up to 36°C (97°F), creating a generally pleasant atmosphere despite experiencing about 40 mm (1.6 in) of precipitation over approximately 6 days and high humidity of 74%. In contrast, January sees a significant drop in temperatures, with an average around 8°C (46°F) and daytime highs peaking at 24°C (75°F). This month tends to be wetter, bringing in about 70 mm (2.7 in) of rain over about 9 days, yet boasts lower humidity levels at 65%. For more detailed insights, check out Haikou weather in January.
October and February present contrasting weather conditions. In October, temperatures range from a mild 11°C (51°F) to a scorching 36°C (97°F), with an average of 21°C (70°F). The month experiences around 40 mm (1.6 in) of precipitation over six days, along with relatively high humidity at 74%. Conversely, February sees much cooler temperatures, with a minimum of -3°C (26°F) and a maximum of 26°C (79°F), averaging at 9°C (48°F). Precipitation increases noticeably to 83 mm (3.3 in), spread over 12 days, and humidity remains slightly lower at 71%. For more details on February's climate, you can refer to Haikou weather in February.
October and March exhibit distinct differences in weather patterns. In October, temperatures range from a mild minimum of 11°C (51°F) to a warm maximum of 36°C (97°F), with an average of 21°C (70°F). The month is relatively dry, receiving only 40 mm (1.6 in) of precipitation over approximately six days, and humidity levels sit at a comfortable 74%. Conversely, March experiences cooler temperatures, with a minimum of 3°C (38°F), an average of 14°C (58°F), and a maximum of 30°C (86°F). This month is significantly wetter, boasting 205 mm (8.1 in) of precipitation over 16 days and slightly higher humidity at 81%. For more details, you can check Haikou weather in March.
When comparing the weather in October and April, several notable differences emerge. October tends to be warmer, with average temperatures ranging from a minimum of 11°C (51°F) to a maximum of 36°C (97°F), while April shows cooler temperatures, averaging between 5°C (41°F) and 33°C (91°F). In terms of precipitation, April is significantly wetter, receiving about 179 mm (7.0 in) over 14 days compared to October's 40 mm (1.6 in) over just 6 days. Additionally, April has higher humidity levels at 86%, compared to October's 74%. For more detailed insights, you can check Haikou weather in April.
When comparing the weather in October and May, both months showcase a striking range of temperatures, with October presenting a minimum of 11°C (51°F) and an average of 21°C (70°F), while May features a slightly warmer average of 23°C (74°F). Despite having similar maximum temperatures reaching up to 36°C (97°F), May is notably wetter, receiving 244 mm (9.6 in) of precipitation over 16 days, in stark contrast to October's more manageable 40 mm (1.6 in) spread across just 6 days. Additionally, humidity levels are higher in May at 87%, compared to October's 74%, making May feel considerably more muggy. For a closer look at May's weather conditions, you can refer to Haikou weather in May.
In comparing the weather of October and June, October offers a more variable temperature range, with minimums around 11°C (51°F) and maximums reaching up to 36°C (97°F). The average temperature of 21°C (70°F) creates a comfortable atmosphere, though the humidity level at 74% can still feel a bit sticky. Precipitation is relatively low in October, with about 40 mm (1.6 in) falling over just 6 days, allowing for some clear and pleasant days.
In contrast, June is notably warmer, with minimum temperatures starting at 17°C (63°F) and averaging 26°C (79°F). The maximum temperature can be quite similar, peaking at 36°C (98°F). However, June is characterized by heavy rainfall, receiving a significant 407 mm (16.0 in) over approximately 20 days, which contributes to higher humidity levels at 87%. This makes June feel much more humid and often leads to a muggy climate. For more detailed insights on June weather, check out Haikou weather in June.
In comparing the weather of October and July, October enjoys more moderate temperatures, with a minimum of 11°C (51°F) and an average high of 36°C (97°F), while July's temperatures range from a minimum of 21°C (70°F) to an average high of 39°C (103°F). Precipitation is significantly lower in October, with only 40 mm (1.6 in) over 6 days, compared to July's 300 mm (11.8 in) spread over 16 days, making July much wetter and contributing to its higher humidity of 91%, compared to October’s 74%. For more detailed information, you can check Haikou weather in July.
When comparing the weather in October and August, notable differences in temperature and precipitation emerge. In October, temperatures range from a cooler 11°C (51°F) to a warm 36°C (97°F), with an average of 21°C (70°F). In contrast, August experiences a higher temperature range, with minimums of 22°C (71°F) and maximums reaching 41°C (105°F), averaging 30°C (86°F). Precipitation is also significantly greater in August, with 119 mm (4.7 in) falling over 13 days, compared to just 40 mm (1.6 in) over 6 days in October. Additionally, August has higher humidity levels at 87%, compared to October's 74%. For more details on August's weather, you can visit Haikou weather in August.
In comparing the weather of October and September, October experiences slightly cooler temperatures with a minimum of 11°C (51°F) and an average of 21°C (70°F), as opposed to September's higher minimum of 17°C (63°F) and average of 27°C (80°F). While September sees maximum temperatures reaching up to 38°C (101°F), October has a maximum of 36°C (97°F). In terms of precipitation, October records 40 mm (1.6 in) over 6 days, which is less than September's 71 mm (2.8 in) over 9 days. Interestingly, humidity levels remain fairly consistent, with October at 74% and September at 72%. For more detailed insights, you can check Haikou weather in September.
October tends to be warmer compared to November, with average temperatures ranging from a mild 21°C (70°F) to a maximum of 36°C (97°F), while November sees a notable drop to an average of 15°C (59°F) and a maximum of 29°C (85°F). In October, the humidity sits at 74%, but it climbs slightly higher to 80% in November. Additionally, precipitation increases in November, with a total of 70 mm (2.8 in) spread over 10 days, compared to October's 40 mm (1.6 in) over 6 days. For more detailed information, you can check Haikou weather in November.
October and December present notably different weather conditions. In October, temperatures range from a minimum of 11°C (51°F) to a maximum of 36°C (97°F), with an average of 21°C (70°F), making it quite warm and pleasant. Precipitation is relatively low at 40 mm (1.6 in) over six days, with humidity at 74%. In contrast, December experiences cooler temperatures, with a minimum of -2°C (28°F) and a maximum of 23°C (74°F), resulting in an average of 9°C (49°F). Precipitation increases to 57 mm (2.2 in) over eight days, and humidity is slightly higher at 78%. For a more detailed look at December weather, check out Haikou weather in December.
As October arrives in Haikou, the weather undergoes a notable transformation, blending the lingering warmth of summer with the refreshing beginnings of autumn. Temperatures are generally mild, making outdoor activities more enjoyable compared to the sweltering heat of earlier months. While the chance of rain increases slightly, with around six days of precipitation, the overall humidity remains comfortable, allowing for pleasant, breezy days. This balance of warmth and moisture sets October apart, making it an ideal time to explore the beauty of Haikou. For a deeper understanding of what to expect throughout the year, refer to Haikou Climate.