Last updated: August 21, 2025
In Haikou, China, October presents a delightful climate characterized by pleasant temperatures averaging around 23°C (74°F), with maximum highs reaching 33°C (92°F) and minimum lows dipping to 16°C (60°F). Visitors can expect a vibrant and lush atmosphere, bolstered by a humidity level of 73% that underscores the tropical charm of the region. However, October also brings some rain, with 71 mm (2.8 in) of precipitation spread over approximately 12 days, offering refreshing breaks from the warmth. This blend of warmth and moisture makes October an intriguing month for both residents and travelers seeking to experience the beauty of Haikou.
In October, Haikou, China experiences a delightful transition as temperatures begin to cool, marking the departure from the sweltering summer months. With minimums around 16°C (60°F) and averages settling at 23°C (74°F), the weather remains pleasantly warm, ideal for outdoor activities. The maximum temperatures reach up to 33°C (92°F), providing a lingering summer-like feel, yet the city’s climate is noticeably milder compared to the blazing heights of July and August. This gradual cooling trend not only enhances the comfort of visitors but also invigorates the vibrant autumn scenery, making October a particularly appealing time to enjoy the rich cultural and natural offerings of Haikou.
In October, Haikou experiences a marked decrease in precipitation compared to the summer months, with 71 mm (2.8 in) of rain falling over an average of 12 days. This softer shift from the heavy rains of August and June, which can exceed 260 mm, indicates a gradual transition into drier conditions as the year progresses. Following the wettest months, October's rainfall is modest yet significant, heralding a reprieve while still contributing to the island's lush landscape. This time of year typically balances warm weather with sporadic showers, making it an ideal period for outdoor activities amid the vibrant autumn scenery.
In October, Haikou experiences a humidity level of 73%, mirroring the conditions of both January and February. This month marks a transition from the moist summer months, where humidity peaked at 85% in May, to the dryer conditions that begin to set in as the year comes to a close. Notably, September showcases a dip to 70%, suggesting a brief respite from the intense mugginess of the preceding summer. As the season progresses towards November, humidity rises slightly to 77%, indicating a gradual return to the humid climate typical of earlier months. Overall, while October provides a manageable level of humidity, it is clear that Haikou's environment is characterized by a consistent humidity trend, especially as it shifts from the sizzling summer heat to the more comfortable fall temperatures.
In October, Haikou experiences a UV Index of 9, categorizing the exposure level as very high, with a burn time of approximately 15 minutes. This marks a slight decline from the intense UV Index of 12 seen during the peak summer months, yet it remains significant enough to warrant caution. As the year progresses, the UV levels exhibit a pattern—starting strong in March with an extreme index of 11 and peaking at 13 in the summer before tapering off in the autumn months. October signals the onset of milder sun exposure, but it's essential to stay vigilant. Remember to protect your skin and check the latest updates on the Haikou UV Index.
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October in Haikou, China, embraces a delightful balance of sunshine, with 265 hours of sunlight gracing the skies. This month continues the trend of generous daylight, following the vibrant heights of July and August, where residents enjoyed over 300 hours of sunshine. As autumn sets in, October marks a subtle decrease from September's 294 hours, yet remains significantly above the winter months that follow. This steady flow of sunlight makes October an ideal time to explore Haikou’s beautiful landscapes, as the warmth lingers just before the cooler days of November. With every passing month, Haikou's sun-drenched charm invites both locals and visitors to revel in its delightful climate.
In October, Haikou experiences a 27% chance of sunny weather, which is a modest improvement compared to the gloomy months of June and July. This month falls just below the average found in September at 52%, showcasing a transitional phase as the region moves from late summer's humidity toward the more temperate conditions of late autumn. While the likelihood of clear skies is more favorable than the earlier peak months of the year, such as January's 53%, October's weather can still leave residents and visitors alike navigating a mix of sun and clouds. As you plan activities during this time, keep in mind the tendency for fluctuating weather, making it a good idea to prepare for both sunshine and shade!
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 arrives in Haikou, China, the city experiences a refreshing shift in its winds, with an average speed of 6.5 m/s (14 mph), marking the month as one of the windiest of the year. This increase from September's 3.5 m/s (8 mph) not only heralds the transition to cooler temperatures but also signifies a notable uptick compared to the more gentle breezes of the preceding months. Notably, October's winds outpace those of the entire previous quarter, contributing to the vibrant autumn atmosphere that beckons locals and visitors alike to enjoy outdoor activities. With the prevalence of these stronger gusts, Haikou embraces the invigorating essence of fall, setting the stage for a dynamic seasonal change.
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 strikingly different climatic characteristics. In October, temperatures range from a minimum of 16°C (60°F) to a maximum of 33°C (92°F), with an average of 23°C (74°F). This month also experiences higher precipitation, totaling 71 mm (2.8 in) over about 12 days, maintaining a consistent humidity of 73%. In contrast, January features much cooler temperatures, with a minimum of 3°C (38°F) and a maximum of 24°C (76°F), averaging just 12°C (55°F). Rainfall in January is lighter, at 45 mm (1.8 in) over 6 days, yet the humidity remains the same at 73%. For a more detailed look at January weather, check out Haikou weather in January.
When comparing the weather in October and February, we see a stark contrast in temperatures and conditions. October typically experiences much warmer weather, with average temperatures ranging from a minimum of 16°C (60°F) to a maximum of 33°C (92°F). In contrast, February is significantly cooler, with averages between 4°C (40°F) and 24°C (76°F). Both months have similar precipitation levels, around 70-71 mm (2.8 in), but October tends to have slightly more rainy days, with around 12 compared to February's 9 days. Interestingly, humidity remains constant at 73% in both months, creating a consistent feel in the air, albeit with different temperature experiences. For more detailed information, you can check Haikou weather in February.
In comparing October and March weather, October typically boasts warmer temperatures, with a minimum of 16°C (60°F) and an average of 23°C (74°F), peaking at 33°C (92°F). In contrast, March temperatures are significantly cooler, starting at a minimum of 7°C (46°F) and averaging around 15°C (60°F), with a high of 26°C (80°F). While October experiences moderate precipitation at 71 mm (2.8 in) over 12 days, March sees a higher rainfall of 123 mm (4.8 in) across 14 days, contributing to a slightly higher humidity level of 80% compared to October's 73%. For more detailed insights, you can visit Haikou weather in March.
October and April present distinct weather characteristics, showcasing the transition between seasons. In October, temperatures range from a minimum of 16°C (60°F) to a maximum of 33°C (92°F), with an average of 23°C (74°F). The month sees about 71 mm (2.8 in) of precipitation over 12 days, accompanied by a humidity level of 73%. In contrast, April experiences cooler temperatures, with a low of 10°C (50°F) and a high of 29°C (84°F), averaging 19°C (66°F). The precipitation for April is slightly higher at 88 mm (3.5 in) occurring over 11 days, along with a higher humidity level of 81%. For those interested in delving deeper into the specifics of the April climate, more details can be found in this link: Haikou weather in April.
When comparing the weather in October and May, both months exhibit a similar average temperature of 23°C (74°F), making them comfortable overall. However, October features slightly higher temperatures, with a maximum of 33°C (92°F) compared to May's peak of 32°C (90°F). In terms of precipitation, May is significantly wetter, receiving 155 mm (6.1 in) over 15 days, while October sees only 71 mm (2.8 in) across 12 days. Additionally, humidity levels are higher in May at 85%, compared to 73% in October, contributing to a more muggy atmosphere during that month. For more detailed insights, you can check Haikou weather in May.
When comparing the weather in October and June, both months can reach a maximum temperature of 33°C (92°F). However, October tends to be slightly cooler on average, with minimum temperatures around 16°C (60°F) compared to June's warmer minimum of 20°C (69°F). Additionally, June experiences significantly higher precipitation, totaling 269 mm (10.6 in) over 18 rainy days, while October has only 71 mm (2.8 in) across 12 days of rain. Humidity is also higher in June at 81%, compared to 73% in October. For more detailed insights into June weather, you can check Haikou weather in June.
When comparing the weather in October and July, a notable difference emerges in temperature and humidity levels. October experiences a milder temperature range with minimums around 16°C (60°F) and maximums reaching 33°C (92°F), while July sees warmer averages, with minimums of 25°C (78°F) and maximums peaking at 35°C (95°F). Precipitation levels in both months are similar, with July receiving slightly more at 83 mm (3.3 in) over 13 days compared to October's 71 mm (2.8 in) across 12 days. Humidity is higher in July at 84%, compared to October's 73%. For a closer look at July's weather specifics, check out Haikou weather in July.
In comparing the weather of October and August, October presents a milder climate with temperatures ranging from a minimum of 16°C (60°F) to a maximum of 33°C (92°F) and an average of 23°C (74°F). In contrast, August is significantly warmer, featuring higher temperatures that range from a minimum of 25°C (76°F) to a maximum of 35°C (95°F) with an average of 29°C (84°F). Additionally, October experiences less precipitation, with 71 mm (2.8 in) over 12 days, while August is much wetter, receiving 260 mm (10.2 in) across 20 days. The humidity also tends to be slightly higher in August at 82%, compared to October's 73%. For more details, you can check Haikou weather in August.
October brings slightly cooler temperatures compared to September, with minimums of 16°C versus September's 20°C, while the average temperature drops from 27°C to 23°C. The maximum temperature dips as well, from 35°C in September to 33°C in October. Precipitation is reduced in October, totaling 71 mm over 12 days, compared to September's higher 105 mm over 15 days. Despite these changes, humidity remains relatively stable, with October at 73% and September at 70%. For a more detailed comparison, you can check Haikou weather in September.
October and November experience noticeable changes in weather characteristics. In October, temperatures range from a minimum of 16°C (60°F) to a maximum of 33°C (92°F), with an average of 23°C (74°F). The month receives about 71 mm (2.8 in) of precipitation over 12 days, combined with a humidity level of 73%. In contrast, November sees cooler temperatures, with a minimum of 11°C (53°F), an average of 19°C (67°F), and a maximum of 28°C (83°F). While precipitation decreases slightly to 65 mm (2.6 in) over 10 days, humidity rises to 77%. For more detailed weather insights, you can check Haikou weather in November.
October and December showcase a marked shift in weather conditions. In October, temperatures range from a comfortable minimum of 16°C (60°F) to a warm average of 23°C (74°F), reaching highs of up to 33°C (92°F). The month experiences a moderate level of precipitation at 71 mm (2.8 in) over 12 days, accompanied by a humidity level of 73%. In contrast, December sees a significant drop in temperature, with lows of 7°C (45°F) and an average of just 14°C (58°F), peaking at 25°C (77°F). The precipitation is lighter at 49 mm (1.9 in) over 9 days, while humidity rises slightly to 79%. For more details, you can check Haikou weather in December.
In October, Haikou experiences a delightful shift in weather, offering a welcome respite from the sweltering summer heat. With warmer daytime temperatures complemented by cooler nights, it's a perfect time to enjoy outdoor activities. While October does see moderate rainfall with increased humidity, the overall climate provides a comfortable atmosphere for exploration. This month's unique charm makes it stand out from the hotter, drier months that precede it. For a comprehensive overview of what to expect throughout the year, visit Haikou Climate.