Last updated: August 21, 2025
Haikou, China, in December offers a mild and pleasant climate, ideal for those seeking a winter escape. With maximum temperatures reaching 27°C (80°F) and an average of 20°C (69°F), visitors can enjoy comfortable outdoor activities. The minimum dips to around 13°C (56°F), providing a refreshing chill in the air. Although December brings about 28 mm (1.1 in) of precipitation over 8 days, the humidity remains relatively high at 79%, adding a touch of warmth to the atmosphere. This month perfectly balances sunny days with occasional showers, making it a delightful time to explore the beauty of Haikou.
In December, Haikou, China, experiences a pleasant transition into the winter months, characterized by mild and comfortable temperatures. The average temperature hovers around 20°C (69°F), providing a delightful reprieve from the summer heat. With minimums dipping to 13°C (56°F) and maximums reaching up to 27°C (80°F), December showcases a notable decrease from the warmer seasons while still retaining a lovely warmth during the day. This month, much like its predecessors, continues the trend of maintaining a stable range of temperatures, making Haikou an inviting destination for those seeking a mild winter escape.
In December, Haikou experiences a notable dip in precipitation, with only 28 mm (1.1 in) of rain falling over approximately 8 days. This marks a striking contrast to the summer months, particularly August, which sees a peak of 275 mm (10.8 in) across 21 rainy days. As the year draws to a close, December's rainfall is more akin to earlier months like January and February, where precipitation levels are relatively low at 23 mm (0.9 in) and 39 mm (1.5 in), respectively. This trend underscores a seasonal shift, moving from the heavy rains of mid-year to the drier, more stable weather patterns typical of late autumn and early winter in Haikou.
In December, humidity in Haikou, China, hovers around 79%, marking a slight decline from the peak of 87% experienced in the sweltering heat of July. This month demonstrates a notable transition as the region shifts from its highest humidity levels throughout the summer, steadily decreasing to more moderate patterns as winter approaches. The overall trend reveals that while humidity remains consistently high throughout the year, December offers a brief respite before the cycle begins anew in January. This seasonal rhythm, with humidity gently tapering from the summer months, sets a unique atmospheric backdrop for the vibrant life in Haikou during the winter season.
In December, Haikou experiences a UV Index of 8, placing it in the very high exposure category with a burn time of just 15 minutes. As the year progresses, Haikou's UV Index peaks in the warmer months, hitting extremes of 11 to 13 from February through October, where the burn time dramatically shortens to merely 10 minutes. This seasonal trend highlights the necessity for sun safety measures during the sunniest months, while December offers a slight reprieve, but caution remains essential. For more details about UV levels throughout the year, visit Haikou UV Index.
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December in Haikou, China, brings a notable drop in sunshine hours, with 237 hours of sunlight gracing the city. This decrease is part of a broader trend as the year winds down, showcasing a gradual decline from the summer peak of 318 hours in July. Despite this reduction, December's sunshine still surpasses the darker winter months, offering a cozy glow that invites outdoor exploration and relaxation. As the city transitions from the vibrant light of summer to the more muted tones of late autumn, the sunny days in December provide a warm breath before the balance of daylight shifts once again, leaving residents and visitors basking in the last rays of the year.
The likelihood of experiencing sunny weather in December in Haikou, China stands at 40%, which reflects a slight decline as the year draws to a close. This trend follows a generally positive trajectory from November, where the chance of sunshine is notably higher at 54%. As we move into winter, the sun's presence becomes a bit more elusive, particularly when compared to the sunnier months earlier in the year, such as February and April, which boast chances of 58% and 50% respectively. Overall, while December may not offer the brightest skies, it still provides a fair opportunity for enjoying some sunny moments amid the cooler winter temperatures.
In Haikou, China, December marks the transition into shorter days, with daylight lasting approximately 10 hours. This decrease follows a gradual shift throughout the year, where daylight duration peaks at 13 hours during the summer months of May, June, and July. As autumn sets in, daylight diminishes, dropping to 12 hours in both August and September, before returning to 11 hours in October and November. The trend highlights a clear cyclic pattern, with the winter months bringing shorter days and the promise of longer daylight returning with the spring months of March and April. Observing these changes in daylight not only accentuates Haikou's tropical climate but also invites residents and visitors to embrace the rhythm of the seasons.
As December settles over Haikou, China, the city experiences a notable uptick in wind speed, averaging 5.9 m/s (13 mph), a refreshing shift as winter approaches. This increase marks a continuation of a trend observed from the earlier months, illustrating a rise from November's 5.2 m/s and significantly higher than the summer lull, with July and August averaging only 4.0 m/s and 4.1 m/s, respectively. Interestingly, October showcases a peak with 6.8 m/s (15 mph), but December's winds begin to usher in the cooler air of winter, providing a brisk contrast to the gentler breezes of the previous months. Overall, this evolving wind pattern not only enhances Haikou's climate but also offers a lively atmosphere for both residents and visitors during the final month of the year.
Weather in Haikou varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Haikou, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, temperatures in Haikou typically range from a minimum of 13°C (56°F) to a maximum of 27°C (80°F), with an average temperature of 20°C (69°F). The month experiences around 28 mm (1.1 in) of precipitation over eight days, coupled with relatively high humidity at 79%. In contrast, January sees slightly cooler temperatures, with minimums around 10°C (50°F) and maximums reaching 25°C (77°F), averaging 19°C (67°F). Precipitation decreases to 23 mm (0.9 in) over just six days, and humidity is lower at 74%. For more detailed weather information, you can check Haikou weather in January.
December and February exhibit some notable differences in weather patterns. December features a minimum temperature of 13°C (56°F) and a maximum of 27°C (80°F), with an average temperature of 20°C (69°F) and relatively high humidity at 79%. It experiences around 28 mm (1.1 in) of precipitation over approximately 8 days. In contrast, February sees slightly cooler temperatures, with a minimum of 10°C (51°F) and a maximum of 29°C (84°F), while the average remains similar at 20°C (68°F). Despite having a bit more precipitation at 39 mm (1.5 in) over just 6 days, February has lower humidity at 75%. For more detailed insights, check Haikou weather in February.
In December, the weather is generally mild, with temperatures ranging from a minimum of 13°C (56°F) to a maximum of 27°C (80°F) and an average of 20°C (69°F). During this month, precipitation totals around 28 mm (1.1 in) over approximately 8 days, accompanied by a humidity level of 79%. In contrast, March experiences slightly warmer temperatures, ranging from a minimum of 16°C (61°F) to a maximum of 32°C (89°F), with an average of 23°C (74°F). Precipitation is only marginally higher at 30 mm (1.2 in) over the same 8 days, and humidity remains similar at 78%. For more detailed insights, you can check Haikou weather in March.
In December, the weather is generally mild with temperatures ranging from a minimum of 13°C (56°F) to a maximum of 27°C (80°F), and an average temperature of 20°C (69°F). The month sees relatively low precipitation at 28 mm (1.1 in) across about 8 days, with humidity levels around 79%. In contrast, April is warmer, with temperatures varying from a minimum of 17°C (63°F) to a high of 33°C (92°F) and an average temperature of 25°C (77°F). April experiences more rainfall, totaling 87 mm (3.4 in) over approximately 13 days, while humidity remains similar at 80%. For more detailed insights, you can check Haikou weather in April.
December and May present distinct weather characteristics in Haikou. In December, temperatures range from a minimum of 13°C (56°F) to a maximum of 27°C (80°F), with an average of 20°C (69°F). This month experiences moderate precipitation of 28 mm (1.1 in) over about 8 days, and humidity levels hover around 79%. In contrast, May brings warmer temperatures, with the mercury ranging from a minimum of 20°C (69°F) to a high of 34°C (94°F), averaging 28°C (82°F). Rainfall significantly increases in May, with 90 mm (3.6 in) falling over approximately 16 days, and humidity rises slightly to 81%. For more details on the weather during this month, check out Haikou weather in May.
In December, the weather is relatively mild with average temperatures ranging from a minimum of 13°C (56°F) to a maximum of 27°C (80°F). The month sees about 28 mm (1.1 in) of precipitation over approximately 8 days, making it a drier period compared to June. Humidity hovers around 79%, contributing to a comfortable atmosphere.
In contrast, June experiences significantly warmer conditions, with temperatures ranging from a minimum of 26°C (78°F) to a maximum of 35°C (95°F) and an average of 29°C (85°F). This month also sees increased rainfall, totaling about 134 mm (5.3 in) over 15 days, resulting in a more humid environment with humidity levels at 81%. For more detailed information, you can check Haikou weather in June.
December and July present starkly contrasting weather conditions. In December, temperatures range from a mild 13°C (56°F) at night to a comfortable 27°C (80°F) during the day, with an average temperature of 20°C (69°F). Precipitation is relatively low, with only 28 mm (1.1 in) over about 8 days, and humidity sits at 79%. In contrast, July experiences much warmer temperatures, with a minimum of 26°C (78°F) and highs reaching up to 36°C (97°F), resulting in an average of 29°C (85°F). Additionally, July is wetter, receiving 169 mm (6.6 in) of rainfall over 18 days and higher humidity at 87%. For more details on the specific weather conditions in July, check out Haikou weather in July.
In December, the weather is milder with temperatures ranging from a minimum of 13°C (56°F) to a maximum of 27°C (80°F) and an average of 20°C (69°F). The month sees limited rainfall, totaling 28 mm (1.1 in) over approximately 8 days, and a humidity level of 79%. In contrast, August experiences much warmer conditions, with minimum temperatures of 26°C (78°F) and maximums reaching 33°C (92°F), resulting in an average of 29°C (84°F). Rainfall is significantly higher in August, with 275 mm (10.8 in) falling over 21 days and humidity peaking at 86%. For more detailed insights, check out Haikou weather in August.
In comparing the weather of December and September, we see notable differences in temperature and precipitation. December has a milder climate with minimum temperatures around 13°C (56°F) and an average of 20°C (69°F), while September experiences much warmer conditions, with minimums starting at 25°C (77°F) and an average of 28°C (83°F). Additionally, December tends to be drier, receiving only 28 mm (1.1 in) of rain over about 8 days, compared to September’s significantly higher rainfall of 159 mm (6.3 in) over 18 days. Humidity levels are relatively similar, with December at 79% and September at 82%. For more detailed insights, you can check Haikou weather in September.
In comparing the weather of December and October, December tends to be milder with average temperatures ranging from a minimum of 13°C (56°F) to a maximum of 27°C (80°F), while October is warmer, with temperatures ranging from a minimum of 21°C (70°F) to a maximum of 31°C (88°F). Additionally, December experiences significantly less precipitation at 28 mm (1.1 in) over 8 days compared to October's 215 mm (8.5 in) spread across 18 days. Humidity levels are relatively similar, with December at 79% and October at 81%. For more details, you can refer to Haikou weather in October.
Comparing the weather in December and November, it's evident that December tends to be slightly cooler, with average temperatures ranging from a minimum of 13°C (56°F) to a maximum of 27°C (80°F), while November maintains warmer averages with a minimum of 17°C (63°F) and a maximum of 28°C (83°F). Additionally, December experiences less precipitation, totaling 28 mm (1.1 in) over 8 days, compared to November's 43 mm (1.7 in) across 9 days. Humidity levels remain similar, with December at 79% and November slightly higher at 80%. For a detailed look at November's weather patterns, you can visit Haikou weather in November.
As December rolls into Haikou, the weather offers a refreshing change from the hotter months, with milder temperatures that feel more comfortable for outdoor activities. While the maximums hover around a pleasant 27°C, the average drops to a cozy 20°C, making it a perfect time for exploring the city's sights. The humidity remains quite high at 79%, creating a subtropical feel, but the reduced precipitation—with just 28 mm spread over eight days—ensures plenty of windows for sunshine. Overall, December presents a lovely blend of warmth and coolness, distinct from the sultry summer months. For more detailed insights, check out Haikou Climate.