Last updated: August 21, 2025
In October, Haikou, China experiences a dynamic climate characterized by a maximum temperature reaching up to 35°C (96°F) and a refreshing average of 19°C (67°F). With minimum temperatures dipping to 8°C (47°F), this month presents a notable range in daily weather. Rain is not uncommon, as 66 mm (2.6 in) of precipitation falls over approximately 7 days, contributing to a humidity level that lingers around 74%. This combination of warmth and moisture creates a vibrant atmosphere, perfect for exploring Haikou's rich history and scenic coastal views.
In October, Haikou, China experiences a pleasant shift in temperatures that reflects the transition to fall. The monthly minimum settles around a comfortable 8°C (47°F), while average temperatures rise to a mild 19°C (67°F). Daytime highs can reach up to 35°C (96°F), indicating that the warmth of summer lingers, making it an ideal time for outdoor activities. Compared to the highs of summer months, October shows a notable cooling trend, as the sweltering heat gives way to more bearable conditions. This balance between warmth and coolness creates an inviting atmosphere for both residents and travelers alike.
October marks a subtle transition in Haikou's precipitation patterns, with average rainfall measuring around 66 mm (2.6 in), accompanied by 7 rainy days. This decline in precipitation follows the heavy downpours of the summer months, particularly June, which recorded a substantial 309 mm (12.1 in). As the city moves into the fall, the rainfall reduces noticeably, making October one of the drier months in the year, closely mirroring November's totals. The brief spells of rain help replenish local water sources while providing a refreshing respite from the drier air, suggesting a gentle shift towards the cooler, less humid winter months ahead.
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 October settles in Haikou, the UV Index registers at a notable 9, placing it in the very high exposure category with a recommended burn time of only 15 minutes. This marks a slight decline from the extreme levels often experienced during the peak summer months, where indices soared to 12 in June, July, and August. Nevertheless, outdoor enthusiasts should remain vigilant, as the sun's intensity is still significant this time of year. Looking ahead, November will see a further drop to a 7, transitioning back into the high exposure range. To navigate these fluctuations effectively, be sure to check the updated Haikou UV Index for your sun safety needs.
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In October, Haikou enjoys a delightful 209 hours of sunshine, contributing to a pleasant climate as the temperatures begin to cool. Following the peak of summer in August, which boasts an impressive 294 hours of sunlight, the city experiences a gradual decline in hours. This transition reflects a typical seasonal rhythm, moving from the sun-soaked highs of summer into the more moderate light of autumn. As the days shorten and the sun’s warmth lessens, October still offers ample opportunities for outdoor activities, making it a refreshing month for both residents and visitors.
As October rolls into Haikou, the likelihood of basking in sunny weather takes a notable dip, with a 24% chance of sunshine. This trend showcases a significant decline from the earlier months, particularly after the peak sunny days typically experienced in January, which boasts a 53% chance. The summer months—the hottest—and particularly June, July, and August—see the sun's presence diminish further, with probabilities dropping to as low as 11%. Although there is a slight improvement in September at 39%, October remains one of the transitional months as the city shifts into the cooler season, presenting opportunities for varied weather but fewer guaranteed sunny days. Thus, while October’s sunshine might be less frequent, the mild climate offers a pleasant escape from extreme temperatures, making it an appealing time to visit regardless of the clouds.
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 sweeps through Haikou, China, the gentle breeze flirts with the surroundings, registering an average wind speed of 1.6 m/s (4 mph). This marks a subtle return to the slightly livelier winds seen in the earlier months of the year, reminiscent of the breezy days of January and July. Interestingly, the wind in Haikou tends to soften during the summer months, dropping to 1.4 m/s in both June and August, before rebounding slightly as the cooler autumn air moves in. The consistency of 1.6 m/s is a welcome reminder that despite the region's tropical climate, a refreshing breeze can still break through the warmth, ensuring pleasant outdoor experiences as the month progresses.
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.
October and January present notably different climatic conditions. In October, temperatures in Haikou fluctuate between a minimum of 8°C (47°F) and a maximum of 35°C (96°F), with an average of 19°C (67°F). The month experiences moderate rainfall, totaling 66 mm (2.6 in) over about 7 days, and maintains a higher humidity level of 74%. On the other hand, January brings a cooler atmosphere, with temperatures ranging from -5°C (24°F) to a maximum of 26°C (79°F) and an average of 8°C (46°F). Precipitation decreases to 44 mm (1.7 in) over the same number of days, and humidity drops slightly to 65%. For more detailed information on January weather, you can visit Haikou weather in January.
October and February present contrasting weather patterns. In October, temperatures range from a mild 8°C (47°F) at night to a sweltering 35°C (96°F) during the day, with an average of 19°C (67°F). The month experiences about 66 mm (2.6 in) of precipitation over approximately 7 days, accompanied by relatively high humidity levels of 74%. In contrast, February features a more pronounced chill, with temperatures dipping as low as -5°C (22°F) and peaking at 28°C (82°F), averaging 9°C (48°F). Precipitation remains similar at 65 mm (2.6 in) but spans over 9 days, with humidity slightly lower at 71%. For a deeper exploration of February's conditions, you can check Haikou weather in February.
In comparing October and March, notable differences emerge in temperature and precipitation patterns. October boasts a wider temperature range, with minimums around 8°C (47°F) and maximums reaching up to 35°C (96°F), while March experiences cooler temperatures, ranging from a chilly 0°C (33°F) to a warm 31°C (88°F). Additionally, March is characterized by higher precipitation levels at 122 mm (4.8 in) over 15 days compared to October's 66 mm (2.6 in) over 7 days. Humidity is also slightly elevated in March at 81%, compared to October's 74%. For more specific insights about weather conditions in March, visit Haikou weather in March.
October and April present distinct weather patterns. October boasts an average temperature of 19°C (67°F), with a minimum of 8°C (47°F) and a maximum reaching 35°C (96°F). During this month, precipitation totals around 66 mm (2.6 in) over approximately 7 days, and humidity sits at 74%. In contrast, April features cooler mornings with a minimum of 3°C (38°F), while daytime temperatures average 17°C (63°F) and peak at 33°C (92°F). It is also wetter, with 97 mm (3.8 in) of rainfall spread across 13 days and higher humidity at 86%. For more specific information on April weather, you can check Haikou weather in April.
October and May exhibit distinct weather patterns, characterized by variations in temperature, precipitation, and humidity. In October, temperatures range from a minimum of 8°C (47°F) to a maximum of 35°C (96°F), with an average of 19°C (67°F) and average humidity at 74%. The month sees a moderate amount of rain, with around 66 mm (2.6 in) over 7 days. In contrast, May tends to be warmer, with minimum temperatures at 10°C (50°F) and maximums reaching 39°C (103°F), averaging 22°C (71°F). However, May is significantly wetter, receiving 207 mm (8.2 in) of rainfall over 15 days and an elevated humidity level of 87%. For a closer look at what to expect, check out Haikou weather in May.
In comparing the weather between October and June, it’s clear that June is much warmer and more humid. October sees a temperature range from a cooler minimum of 8°C (47°F) to an average of 19°C (67°F), peaking at 35°C (96°F). In contrast, June has a milder minimum temperature of 15°C (59°F) and an average high of 25°C (76°F), with maximum temperatures reaching up to 37°C (99°F). Precipitation is significantly higher in June, averaging 309 mm (12.1 in) over 20 rainy days, compared to October's 66 mm (2.6 in) spread over just 7 days. Additionally, June's humidity at 87% adds to the sultry conditions, whereas October's humidity is relatively lower at 74%. For more details, visit Haikou weather in June.
When comparing the weather between October and July, we see notable differences in temperature, precipitation, and humidity levels. October experiences cooler temperatures, with a minimum of 8°C (47°F) and an average of 19°C (67°F), while July is much warmer, with minimum temperatures around 20°C (69°F) and an average of 28°C (82°F). July also tends to have significantly higher precipitation, totaling 199 mm (7.9 in) over 18 days, compared to October's 66 mm (2.6 in) over just 7 days. Additionally, humidity is noticeably higher in July at 91%, versus October's more moderate 74%. For more detailed insights, you can check Haikou weather in July.
October weather presents a noticeable contrast to that of August. While October experiences milder temperatures with a minimum of 8°C and an average of 19°C, August tends to be significantly warmer, boasting a minimum of 21°C and an average of 28°C. Additionally, while October's precipitation is lower at 66 mm over 7 days, August sees more rain, totaling 159 mm across 17 days. Humidity levels also differ, with October at 74% compared to August's higher 87%. For those interested in a deeper dive into August weather specifics, you can check out Haikou weather in August.
When comparing the weather of October and September, October presents a notable shift in temperature and precipitation. The minimum temperature in October drops to 8°C (47°F) from September's milder 15°C (59°F), while the average temperature decreases from 25°C (77°F) in September to 19°C (67°F) in October. Although October can reach a maximum of 35°C (96°F), it is generally cooler than September, which can peak at 37°C (99°F). Additionally, precipitation in October totals 66 mm over 7 days, a decrease from September's 98 mm over 12 days. Humidity levels are relatively similar, with October at 74% compared to September's 72%. For a more detailed look at September weather, check out Haikou weather in September.
October and November present a noticeable shift in weather patterns. In October, temperatures range from a minimum of 8°C (47°F) to a maximum of 35°C (96°F), with an average of 19°C (67°F). The month is characterized by 66 mm (2.6 in) of precipitation over 7 days and a humidity level of 74%. In contrast, November sees cooler temperatures, with a minimum of 2°C (36°F) and an average of 14°C (58°F). The maximum temperature remains warm at 31°C (88°F), but overall, November experiences slightly less precipitation at 64 mm (2.5 in) across 8 days, along with increased humidity at 80%. For more detailed information, you can check Haikou weather in November.
October and December exhibit quite different weather patterns. In October, temperatures range from a comfortable minimum of 8°C (47°F) to a maximum of 35°C (96°F), with an average of 19°C (67°F). The month sees around 66 mm (2.6 in) of precipitation over 7 days, with humidity levels at 74%. In contrast, December experiences much cooler temperatures, with a minimum of -2°C (28°F) and an average of 9°C (48°F), peaking at 28°C (83°F). Precipitation decreases to 38 mm (1.5 in) over 8 days, and humidity rises slightly to 78%. For more insights into the December climate, you can check Haikou weather in December.
As October unfolds in Haikou, the weather brings a refreshing shift from the summer heat, featuring comfortable temperatures that invite outdoor exploration. With a blend of warm days and cooler evenings, this month stands out for its balanced climate, a stark contrast to the intense humidity and heat of the preceding months. Though precipitation rises slightly, the overall atmosphere remains pleasant, making it a great time for enjoying the city's natural beauty. To learn more about the nuances of Haikou's weather patterns, visit Haikou Climate.