Last updated: August 21, 2025
In October, Haikou, China, experiences a pleasant climate characterized by mild temperatures. The maximum reaches a comfortable 26°C (78°F), with an average temperature of 17°C (62°F), while the minimum dips to a cool 8°C (47°F). Visitors should prepare for frequent rainfall, as the city receives approximately 89 mm (3.5 in) of precipitation over about 17 days, contributing to the high humidity levels of 81%. This combination of warmth and moisture creates a lush environment, ideal for outdoor exploration and cultural experiences, though it's wise to carry an umbrella for those unexpected showers.
In October, Haikou experiences a mild transition into autumn, with temperatures ranging from a low of 8°C (47°F) to a comfortable high of 26°C (78°F). The average temperature settles around 17°C (62°F), creating a pleasant climate for outdoor activities. This month marks a noticeable shift from the hotter summer months, where temperatures routinely soared above 30°C (86°F), down to a more bearable warmth. As the city moves further into fall, both the minimum and maximum temperatures continue to gradually decrease, signaling the approach of cooler days ahead. The transformation in weather encourages a refreshing change, making October an ideal time to explore Haikou’s vibrant scenery.
In October, Haikou experiences a notable shift in precipitation patterns, receiving 89 mm (3.5 in) of rain over 17 days. This marks a decline from the heavy downpours of the summer months, where rainfall peaks were seen in July and August, totaling 271 mm (10.7 in) and 268 mm (10.5 in) respectively. However, October still maintains a significant level of precipitation compared to the quieter months that follow, with November and December seeing only 32 mm (1.3 in) and 23 mm (0.9 in) respectively. This transitional month thus serves as a bridge between the intense summer rains and the drier winter season, indicating a gradual easing of the wet conditions that characterize Haikou's climate.
In October, Haikou experiences a notable drop in humidity compared to the sweltering summer months, with levels averaging around 81%. This marks a slight decrease from the preceding humid September, where the air was thick with moisture at 87%. As the year progresses, October's humidity represents a transition into more comfortable conditions, following the peak of 90% in August and 89% in July. Overall, the trend reflects the city’s shift from the oppressive heat of summer to the pleasantly mild climate of autumn, offering a refreshing change for residents and visitors alike. This pattern illustrates Haikou's subtropical climate, where humidity fluctuates significantly throughout the year, creating distinct seasonal experiences.
In October, Haikou experiences a UV Index of 11, maintaining its classification within the extreme exposure category. This marks a slight decrease from the summer months, where the UV levels peaked at 16 in July. However, sun protection remains crucial as the burn time is just 10 minutes, signaling the need for vigilance against harmful rays. This trend of high UV exposure is consistent throughout the year, with only brief dips in November and December marking a return to very high and high levels, respectively. As you enjoy the sunny days in Haikou, remember to stay informed and protected by checking the daily updates at Haikou UV Index.
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In October, Haikou enjoys a pleasant 253 hours of sunshine, contributing to the island's appeal as a warm getaway during the fall season. This month sees a slight dip from the summer's peak, as May leads the year with an impressive 333 hours of radiant sunshine. Despite this decrease in daylight, October still outshines the winter months ahead, consistently holding more sunshine than both November and December. The overall trend indicates a balance between ample sunlight and the onset of cooler weather, making Haikou an inviting destination for those seeking both relaxation and warmth as the year winds down.
In Haikou, China, the likelihood of sunny weather in October takes a noticeable dip to 26%, marking it as one of the cloudier months in the region. This trend is part of a broader seasonal shift, as the chances of sunshine gradually decline from a peak of 76% in March to the lower probabilities seen later in the year. Following September's 35% chance of sunshine, October's figures suggest that residents and visitors alike should prepare for a mix of clouds and rain, contrasting sharply with the abundant sunshine enjoyed in the earlier months, particularly from January through March. This climatic shift underscores the transition into the autumn months, where cooler weather and increased cloud cover become more prevalent, reminding us that October in Haikou is often a time for cozy indoor activities.
In October, Haikou experiences a shift in daylight duration, offering 11 hours of sunlight. This marks a gentle decline from the longer days of summer, where sunlight peaked at 13 hours during the months of May through July. Following October, daylight hours continue to decrease, returning to 10 hours by November and December. The gradual transition in daylight—from the vibrant 12 to 13 hours during the warmer months to the more subdued hours of late autumn—highlights the region's shifting seasons, where shorter days signal the approach of winter while maintaining a temperate climate throughout the year.
As October unfurls in Haikou, China, the city experiences a mild shift in its wind dynamics, with an average breeze of 2.8 m/s (6 mph). This gentle wind builds on the slightly fluctuating patterns observed throughout the year, notably following the peak of 4.2 m/s (9 mph) in March. The month's wind speed reflects a gradual decline from the summer’s lowest breezes in July and August, where speeds drop to a calm 2.0 m/s (5 mph). October's conditions herald a transition, with a refreshing crispness beginning to embrace the atmosphere, hinting at the cooler months ahead while still retaining an inviting warmth reminiscent of the lingering summer. This blend of tranquility and seasonal change captures the essence of autumn on the tropical shores of Haikou.
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 is mild with average temperatures ranging from a minimum of 8°C (47°F) to a maximum of 26°C (78°F), accompanied by significant humidity at 81% and frequent rainfall, with precipitation occurring on 17 days totaling 89 mm (3.5 in). In contrast, January experiences colder temperatures, with a minimum of -2°C (29°F) and a maximum of 21°C (70°F), averaging around 10°C (50°F). The dry conditions in January are marked by lower humidity at 58% and much less precipitation, only 39 mm (1.5 in) over just 4 days. For more specific details about January weather, you can check Haikou weather in January.
October and February present contrasting weather experiences. In October, temperatures range from a minimum of 8°C (47°F) to a maximum of 26°C (78°F), with an average of 17°C (62°F). The month is characterized by high humidity at 81% and considerable rainfall, totaling 89 mm (3.5 in) over 17 days. In contrast, February is cooler, with temperatures varying from 0°C (31°F) to 24°C (75°F) and an average of 11°C (53°F). Notably, February is much drier, seeing only 20 mm (0.8 in) of precipitation over just 3 days and a lower humidity level of 65%. For more detailed information, you can check Haikou weather in February.
In comparing the weather of October and March, October tends to be slightly warmer, with average temperatures around 17°C (62°F) and maximums reaching up to 26°C (78°F). In contrast, March experiences a similar average temperature of 16°C (61°F), but can peak at a higher maximum of 29°C (84°F). However, October has significantly more precipitation, with 89 mm (3.5 in) over 17 days, while March is much drier, receiving only 25 mm (1.0 in) on just 5 days. Additionally, October is notably more humid, with levels at 81%, compared to March’s 44%. For more detailed weather conditions in March, you can refer to Haikou weather in March.
In October, temperatures range from a minimum of 8°C (47°F) to a maximum of 26°C (78°F), with an average of 17°C (62°F). The month experiences significant rainfall, totaling 89 mm (3.5 in) over 17 days, contributing to a higher humidity of 81%. In contrast, April generally features slightly warmer temperatures, with lows of 4°C (40°F) and highs reaching 31°C (88°F), and an average temperature of 18°C (64°F). Precipitation is lower in April at 64 mm (2.5 in) over just 8 days, resulting in a much drier atmosphere with humidity at 44%. For more specific details on April weather, you can visit Haikou weather in April.
October and May present distinct weather patterns. In October, temperatures range from a mild minimum of 8°C (47°F) to a comfortable maximum of 26°C (78°F), with an average temperature of 17°C (62°F). This month experiences higher precipitation levels, with 89 mm (3.5 in) falling over 17 days, contributing to a humid atmosphere with 81% humidity. In contrast, May offers warmer conditions, characterized by temperatures that vary from a minimum of 7°C (46°F) to a maximum of 32°C (91°F), averaging 20°C (69°F). Precipitation is lighter at 65 mm (2.6 in) over just 8 days and comes with a lower humidity of 62%. For more details, check out Haikou weather in May.
In comparing October and June, we see distinct differences in weather patterns. October typically boasts milder temperatures with a minimum of 8°C (47°F) and an average high of 26°C (78°F), while June offers warmer conditions, featuring a minimum of 13°C (56°F) and reaching up to 31°C (87°F). Precipitation levels are notably higher in June, accumulating 201 mm (7.9 in) over 20 days, compared to October's 89 mm (3.5 in) across 17 days. Both months experience high humidity, with October at 81% and June slightly higher at 82%. For more detailed insights on June weather, you can refer to Haikou weather in June.
In comparison to July, October offers milder weather, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 26°C (78°F) and an average of 17°C (62°F). In contrast, July experiences warmer temperatures, with a minimum of 14°C (58°F), an average of 21°C (69°F), and a maximum of 29°C (84°F). While October has a lower precipitation rate of 89 mm (3.5 in) over 17 days, July sees significantly higher rainfall, totaling 271 mm (10.7 in) over 26 days. Humidity levels in both months are similar, with October at 81% and July slightly higher at 89%. For those interested in more detailed insights on July weather, you can visit Haikou weather in July.
In comparing the weather patterns of October and August, October tends to be cooler with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 26°C (78°F), while August features milder conditions, with temperatures varying from 16°C (60°F) to 29°C (85°F). Precipitation is significantly higher in August, accumulating to 268 mm (10.5 in) over 26 days, compared to October's 89 mm (3.5 in) over 17 days. Additionally, humidity levels are slightly elevated in August at 90%, while October sees a humidity of 81%. For a more detailed look at August weather, you can refer to Haikou weather in August.
In comparing the weather between October and September, October generally experiences cooler temperatures with a minimum of 8°C (47°F) and a maximum of 26°C (78°F), while September is warmer, with a minimum of 11°C (52°F) and a maximum of 28°C (82°F). The average temperature in October is 17°C (62°F), which is slightly lower than September's average of 19°C (67°F). Additionally, October sees less precipitation overall, with 89 mm (3.5 in) compared to September’s 161 mm (6.3 in), although rainfall occurs on a similar number of days: 17 in October versus 22 in September. Humidity levels remain high in both months, at 81% for October and 87% for September. For more detailed information on September weather, you can check Haikou weather in September.
October typically exhibits warmer weather compared to November, with average temperatures ranging from a minimum of 8°C (47°F) to a maximum of 26°C (78°F). In contrast, November sees cooler temperatures, with a minimum of 5°C (40°F) and an average high of 24°C (75°F). While October experiences significant precipitation of 89 mm (3.5 in) over 17 days, November's rainfall is considerably lighter, totaling just 32 mm (1.3 in) across 6 days. Humidity levels remain relatively similar, with October at 81% and November slightly higher at 82%. For more detailed information on November weather, you can visit Haikou weather in November.
October weather is generally mild and welcoming, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 26°C (78°F) and an average of 17°C (62°F). This month typically experiences significant rainfall, with about 89 mm (3.5 in) distributed over 17 days, resulting in a humidity level of 81%. In contrast, December sees a notable drop in temperatures, with a minimum of -1°C (30°F) and a maximum of 21°C (69°F), averaging 10°C (50°F). Precipitation is much less frequent in December, averaging only 23 mm (0.9 in) over just 4 days, contributing to a lower humidity level of 73%. For more detailed weather information, you can check Haikou weather in December.
October in Haikou marks a transition to cooler temperatures and increased precipitation compared to the summer months. With an average temperature around 17°C (62°F), the weather is notably more comfortable, though it can still reach highs of 26°C (78°F) during the day. The humidity remains high at 81%, contributing to a somewhat damp atmosphere, especially with roughly 17 rainy days throughout the month. This unique blend of warmth and moisture sets October apart, making it a vibrant time to experience the lush landscapes of Haikou. For more detailed insights into the weather patterns, visit Haikou Climate.