Last updated: August 21, 2025
In January, Haikou, China, experiences a refreshing blend of mild temperatures and occasional rainfall. With a maximum temperature reaching 24°C (76°F) and a comfortable average of 12°C (55°F), the weather is ideal for outdoor exploration. However, nights can be brisk, dropping to a minimum of 3°C (38°F). Throughout the month, precipitation totals around 45 mm (1.8 in), typically spread over 6 rainy days, contributing to an overall humidity level of 73%. This combination creates a pleasant backdrop for visitors to enjoy the vibrant culture and scenic beauty of Haikou during the winter months.
In January, Haikou, China, experiences a refreshing climate, with temperatures ranging from a chilly 3°C (38°F) at night to a pleasant 24°C (76°F) during the day, averaging around 12°C (55°F). As the month progresses into February, the temperatures remain quite stable, with a slight increase in nighttime lows and an average that holds steady. The transition into spring sees a gradual warming trend in March and April, where average highs rise to 26°C (80°F) and 29°C (84°F), respectively, heralding the approach of warmer months. By May, the heat intensifies, reaching up to 32°C (90°F), and summer escalation becomes evident from June through August, where highs consistently hit 35°C (95°F). The cooler months return in September through December, offering a welcome respite with temperatures gradually declining, making Haikou's climate a captivating mix of seasonal changes that nurture both warmth and coolness throughout the year.
In January, Haikou experiences relatively light precipitation, with an average of 45 mm (1.8 in) falling over just 6 days. This sets the tone for a gradual increase in rainfall as the year progresses, with February's total climbing to 70 mm (2.8 in), and March seeing a more significant surge to 123 mm (4.8 in). As the months warm up, particularly from May onwards, the region faces its wettest spells, peaking in June with a substantial 269 mm (10.6 in) over 18 days. This trend highlights a clear seasonal shift, where the initial dry start gives way to the monsoon season, characterized by frequent showers and elevated rainfall totals, emphasizing the dynamic climate of Haikou through the winter and into the early summer.
In January, Haikou experiences a relative humidity of 73%, a level that remains consistent into February. This stability gives way to a noticeable rise in the following months, with humidity escalating to 80% by March and peaking at 85% in May. As the warmer months approach, June and July maintain high humidity levels around 81% and 84% respectively, creating a lush, tropical atmosphere. Following a brief dip to 70% in September, humidity levels rebound, with October settling back to 73%. November and December bring slightly increased moisture, culminating at 79%, highlighting a transitional shift towards the cooler, dryer months of the year. This trend illustrates Haikou's humid subtropical climate, marked by elevated moisture levels, particularly in the spring and summer.
In January, Haikou experiences a moderately high UV Index of 7, which signifies a notable risk of harm from unprotected sun exposure—recommendations suggest a burn time of just 25 minutes. As the months progress, however, the intensity ramps up significantly, peaking in June, July, and August with an extreme UV Index of 13, necessitating a cautious approach to sun exposure with a mere 10 minutes before burning occurs. The trend indicates a gradual increase in UV intensity from January, peaking in the summer months before tapering off in October and November with very high values of 9 and 8 respectively. By December, the index decreases slightly to a high level of 6, allowing for more relaxed sun activities with a burn time returning to 25 minutes. To stay informed and protected, check out the details at Haikou UV Index.
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In Haikou, China, January ushers in a measured amount of sunshine, with 188 hours of pleasant daylight, setting the tone for the year ahead. As the months progress, residents and visitors alike experience a steady increase in sunshine, peaking in July with an impressive 331 hours. This trend of escalating sunlight continues through August and September, while the daylight begins to wane in the later months, with November and December offering 228 and 215 hours, respectively. This seasonal ebb and flow creates an inviting climate that encourages outdoor exploration and enjoyment of Haikou's vibrant landscapes, making it a delightful winter escape that transitions smoothly into a sun-soaked summer.
In Haikou, China, January boasts a 53% chance of sunny weather, making it the sunniest month as winter transitions into spring. This favorable probability stands in stark contrast to the following months, with February and March showing a decline to 46% and 39% respectively. As we move into April and May, the likelihood of sunshine dwindles further to 30% and a mere 15%, indicating a seasonal shift towards more overcast conditions. Interestingly, September again hints at brighter days with a 52% chance, suggesting that Haikou's weather may alternate between sunny spells and gloomier periods, emphasizing the importance of planning outdoor activities in January to take advantage of its favorable sun conditions.
In January, Haikou experiences 10 hours of daylight, which gradually increases to 11 hours by February, marking the transition from winter to spring. As the months progress, daylight reaches its peak in May through July, where residents enjoy a generous 13 hours of sunlight, perfect for outdoor activities and leisurely evenings. As summer fades, daylight begins to wane, dropping back to 12 hours in August and September, then slipping to 11 hours in October, and returning to 10 hours by November and December. This cyclical pattern showcases the vibrant seasonal changes in Haikou, making each month a unique experience under the sun.
In Haikou, China, January welcomes visitors with an average wind speed of 5.3 m/s (12 mph), setting a brisk tone for the New Year. As winter progresses into February, the winds begin to soften slightly, dropping to 4.6 m/s (10 mph). However, February's calm is short-lived, as March experiences a further dip to 4.1 m/s (9 mph), marking the season's low point before a gentle revitalization in April at 4.8 m/s (11 mph). The winds tend to remain consistent for the coming months, with mild fluctuations, before picking up again in October, where they surge to 6.5 m/s (14 mph), suggesting a dynamic interplay of seasonal changes. This pattern highlights how January's refreshing winds lead into a tranquil early spring, only to give way to a lively autumn breeze, encapsulating the rhythmic beauty of Haikou's climate.
Weather in Haikou varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Haikou, focusing on differences in temperature, rainfall, humidity, and UV levels.
In January, the weather features a temperature range with nighttime lows around 3°C (38°F) and daytime highs reaching up to 24°C (76°F), maintaining an average temperature of 12°C (55°F). The month sees about 45 mm (1.8 in) of precipitation over an average of 6 days, with humidity levels consistently at 73%.
In contrast, February experiences slightly warmer nights with a minimum temperature of 4°C (40°F) while the average remains the same at 12°C (54°F), and max temperatures still peak at 24°C (76°F). However, February is wetter, with total precipitation increasing to 70 mm (2.8 in) over approximately 9 days. Humidity remains steady at 73%. For more details on February's weather, check out Haikou weather in February.
January weather typically features a minimum temperature of 3°C (38°F) and an average of 12°C (55°F), reaching a maximum of 24°C (76°F). With 45 mm (1.8 in) of precipitation over 6 days and a humidity level of 73%, January tends to be relatively mild but can still be quite damp. In contrast, March sees warmer temperatures, with a minimum of 7°C (46°F), an average of 15°C (60°F), and a peak of 26°C (80°F). However, it also brings significantly more rainfall, with 123 mm (4.8 in) of precipitation over 14 days and an increase in humidity to 80%. For more details on March weather, you can visit Haikou weather in March.
In January, the weather is relatively cooler, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 24°C (76°F), averaging around 12°C (55°F). The month sees about 45 mm (1.8 in) of precipitation over six days and maintains a humidity level of 73%. In contrast, April experiences a substantial rise in temperature, with lows of 10°C (50°F) and highs reaching up to 29°C (84°F), averaging 19°C (66°F). This month also brings increased precipitation, totaling 88 mm (3.5 in) across 11 days, while humidity rises slightly to 81%. For more details, you can check Haikou weather in April.
In January, the weather tends to be milder, with average temperatures ranging from a minimum of 3°C (38°F) to a maximum of 24°C (76°F) and an average of 12°C (55°F). The month sees around 45 mm (1.8 in) of precipitation over approximately 6 days, accompanied by a relative humidity of 73%. In contrast, May experiences warmer conditions, with temperatures soaring from a minimum of 14°C (57°F) to a high of 32°C (90°F) and an average of 23°C (74°F). Precipitation increases significantly to 155 mm (6.1 in) over about 15 days, and humidity rises to 85%. To explore more about the weather during this vibrant month, check out Haikou weather in May.
In January, the weather is quite mild with average temperatures ranging from a minimum of 3°C (38°F) to a maximum of 24°C (76°F), coupled with relatively low precipitation of 45 mm (1.8 in) over about six days. Humidity levels sit at a comfortable 73%. In contrast, June sees a significant increase in warmth, with temperatures soaring from a minimum of 20°C (69°F) to a maximum of 33°C (92°F), and much higher precipitation totaling 269 mm (10.6 in) across 18 days, alongside a slight uptick in humidity to 81%. This stark contrast highlights the transition from a cooler, drier winter month to a hot and more humid summer period. For more detailed information on June weather, check out Haikou weather in June.
In January, Haikou experiences mild weather, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 24°C (76°F) and an average of 12°C (55°F). This month sees relatively low precipitation, totaling about 45 mm (1.8 in) over approximately 6 days, contributing to a humidity level of 73%.
In contrast, July brings much warmer conditions, with temperatures soaring between a minimum of 25°C (78°F) and a maximum of 35°C (95°F), resulting in an average temperature of 29°C (84°F). The city experiences higher precipitation during this month, with about 83 mm (3.3 in) spread across 13 days, while the humidity increases to 84%.
For more detailed insights, you can check Haikou weather in July.
In January, the weather is mild and relatively cool, with average temperatures ranging from a minimum of 3°C (38°F) to a maximum of 24°C (76°F) and experiencing around 45 mm of precipitation over approximately six days. The humidity is quite comfortable at 73%. In contrast, August brings sweltering heat with average temperatures fluctuating between a minimum of 25°C (76°F) and a maximum of 35°C (95°F). This month is considerably wetter, with precipitation reaching 260 mm (10.2 in) over 20 days and higher humidity at 82%. For more details on the conditions during August, visit Haikou weather in August.
January and September present a striking contrast in weather conditions. In January, temperatures range from a minimum of 3°C (38°F) to a maximum of 24°C (76°F), with an average of 12°C (55°F). This month sees relatively low precipitation, totaling 45 mm (1.8 in) over just 6 days, and humidity levels are moderate at 73%. In contrast, September is significantly warmer, with temperatures ranging from a minimum of 20°C (68°F) to a maximum of 35°C (96°F), averaging around 27°C (81°F). Precipitation increases notably during September, with 105 mm (4.1 in) spread across 15 days, while humidity remains slightly lower at 70%. For a more detailed look at September weather patterns, check out Haikou weather in September.
In January, the weather is noticeably cooler with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 24°C (76°F), while October offers a much warmer climate with temperatures soaring between 16°C (60°F) and 33°C (92°F). January experiences approximately 45 mm of precipitation over 6 days, whereas October sees a higher rainfall of 71 mm spread over 12 days, indicating a wetter month. Despite the increased rainfall in October, the humidity remains consistent at 73% throughout both months. For more details on October’s weather, check out Haikou weather in October.
In January, the weather experiences cooler temperatures, with a minimum of 3°C (38°F) and an average of 12°C (55°F), while November enjoys milder conditions with a minimum of 11°C (53°F) and an average of 19°C (67°F). The maximum temperature in January reaches 24°C (76°F), compared to November's higher 28°C (83°F). Precipitation levels are also higher in November, totaling 65 mm (2.6 in) over 10 days, while January sees 45 mm (1.8 in) of rainfall across 6 days. Humidity is slightly higher in November at 77% compared to January's average of 73%. For more details on November weather, check out Haikou weather in November.
In comparing the weather of January and December, January tends to be slightly cooler, with minimum temperatures averaging around 3°C compared to December's 7°C. The average temperature in January is 12°C, while December averages a bit warmer at 14°C. Both months experience a similar amount of precipitation, with January receiving 45 mm over about 6 days and December slightly higher at 49 mm over 9 days. Additionally, humidity levels are marginally lower in January at 73%, compared to December's 79%. For more detailed insight, you can check Haikou weather in December.
January in Haikou ushers in cooler temperatures, presenting a striking contrast to the warmer months of the year. With maximums reaching 24°C (76°F) and a notable minimum of 3°C (38°F), this month experiences a refreshing chill that makes outdoor activities more enjoyable. Additionally, the moderate precipitation of 45 mm (1.8 in) over about six days contributes to the region's lush environment, though it’s less frequent than the heavy rains of the summer season. With humidity hovering around 73%, January strikes a balance between comfort and freshness. For those interested in a deeper dive into Haikou's weather patterns, check out Haikou Climate.