Last updated: August 21, 2025
In January, Haikou, China, experiences a mild winter characterized by a maximum temperature of 26°C (79°F) and an average of 8°C (46°F). Although the month can dip to a minimum of -5°C (24°F), the overall climate remains relatively pleasant. With 44 mm (1.7 in) of rainfall spread over 7 days, visitors can expect occasional showers amidst the dry days. The air hums with a 65% humidity level, making it a uniquely refreshing time to explore this vibrant coastal city.
In January, Haikou's temperatures showcase a fascinating contrast, with a minimum of -5°C (24°F) leading to an average of 8°C (46°F), trending towards a warm maximum of 26°C (79°F). As the month progresses, the fluctuations signal a transition from the chilling winds of winter to the budding warmth of spring. This pattern continues into February, where temperatures rise slightly, with a minimum of -5°C (22°F) and an average of 9°C (48°F), hinting at the approach of milder weather. By March, the city experiences a more pronounced shift, with temperatures reaching a comfortable average of 13°C (56°F), highlighting an upward trajectory that paves the way for the balmy days ahead. Overall, January serves as a pivotal month where chilly nights often give way to pleasantly warm afternoons, setting the tone for the spring thaw in Haikou's climate.
In January, Haikou experiences relatively low precipitation, with only 44 mm (1.7 in) falling over 7 days. This sets the stage for a drier beginning to the year compared to the following months, where rainfall begins to climb noticeably. February sees an uptick to 65 mm (2.6 in) over 9 days, hinting at the transitional nature of the region as the dry winter gives way to a more humid spring. The rainfall escalates dramatically in March with 122 mm (4.8 in) over 15 days, and this trend continues through May, reaching a peak of 207 mm (8.2 in). As summer approaches, June brings 309 mm (12.1 in), marking Haikou's rainiest month. Interestingly, while precipitation amounts fluctuate, the number of rainy days also reaches a high in June, with 20 days of rain, underscoring the tropical climate’s characteristic wet season. By the time we progress into the later months, such as October and November, the rainfall lessens again, signaling a return to a drier pattern as the year draws to a close.
January in Haikou, China, welcomes visitors with a comfortable humidity level of 65%, marking the month as the driest of the year. As the seasons transition into spring, humidity steadily increases, reaching 71% in February and continuing to rise sharply. By March, the air becomes quite humid at 81%, and this upward trend continues through the spring into summer, peaking at a moist 91% in July. Following the heat of summer, humidity levels remain elevated in August before tapering off in September and October, where they moderate to 72% and 74% respectively. As the year concludes, the climate shifts slightly with November and December presenting humidity levels of 80% and 78%. This cyclical pattern reveals Haikou's shift from a relatively dry January to a warm and humid summer, making it a city of diverse climatic experiences throughout the year.
In January, Haikou experiences a UV Index of 6, classified as high, which means you could enjoy the sunny days but should still take precautions. With a burn time of just 25 minutes, it's clear that even in cooler months, skin protection is essential. As the seasons progress into February and March, the UV Index escalates dramatically to 8 and 10, marking very high exposures and a reduced burn time of only 15 minutes. The intensity peaks in April through August, where the UV Index reaches an extreme 12, allowing only 10 minutes of unprotected sun exposure. This trend shows a consistent rise in UV levels, making late spring and summer months particularly hazardous for unprotected skin. By September, there’s a slight easing to an 11, followed by a gradual decline into the winter months, with November and December seeing indices of 7 and 5, respectively. To stay informed about the UV levels and plan your sun exposure wisely, check out the Haikou UV Index.
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In January, Haikou basks in 153 hours of sunshine, setting the stage for a gradual increase as the year progresses. As February rolls in, the brightness intensifies with 196 hours, heralding the arrival of spring. March continues this upward trend with 206 hours, followed by a significant leap in April to 245 hours and May to 254 hours, making these months particularly radiant. The sunshine peaks in the height of summer, with July receiving 269 hours and August soaring to 294 hours. As the seasons shift, the daylight starts to recede, yet the city retains a robust 241 hours in September before dipping slightly to 209 hours in October. The final months of the year bring a gentle decline, with November and December offering 194 and 197 hours respectively. Overall, Haikou's sunshine hours show a vibrant progression, from the softer light of January to the bright summer days, creating a delightful tapestry of illumination throughout the year.
Haikou, China, enjoys a moderate likelihood of sunny weather in January, with a solid 53% chance of sunshine. This marks a peak in comparison to the surrounding months, as February drops to 36%, reflecting a general trend of decreasing sunny days as winter progresses. The sun’s appearance continues to dwindle into the spring months, reaching a low of 12% in June, indicating that sunny spells are scarce in the height of summer. Interestingly, the chance of sun rebounds towards the end of the year, with 50% in December, hinting at a subtle seasonal rhythm. Overall, while January stands out as a bright beacon in the winter months, nature’s variability is clearly at play throughout the year in Haikou.
In January, Haikou experiences approximately 10 hours of daylight, marking the transition into the new year with shorter days. As the month gives way to February, there is a notable increase, with daylight extending to 11 hours, a trend that continues into March. During the spring months of April and May, daylight peaks at 12 and 13 hours, respectively, inviting longer evenings and vibrant outdoor activities. This generous daylight persists through the summer months of June, July, and August, each offering a steady 13 hours of sunshine. As autumn approaches, the days gradually shorten, with September returning to 12 hours and both October and November reverting to 11 and 10 hours. By December, Haikou finds itself back at 10 hours of daylight, completing a cyclical pattern that reflects the rhythm of nature in this coastal city.
In Haikou, January greets residents and visitors with a gentle average wind speed of 1.8 m/s (4 mph), setting a calming tone for the month. As winter slowly gives way to early spring, the winds remain relatively mild, mirroring the temperatures rising through February and March. Interestingly, the wind speeds hold steady around 1.6 to 1.7 m/s in these months before tapering slightly into late spring and summer. July seems to breathe a sigh of relief, reasserting a breeze of 1.8 m/s, while the latter months of the year settle back into a tranquil rhythm, with wind speeds decreasing to around 1.4 to 1.6 m/s. This pattern illustrates a subtle but noticeable shift throughout the year, offering a unique atmospheric backdrop to the coastal beauty of Haikou.
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.
January and February exhibit some notable differences in weather patterns. In January, temperatures range from a minimum of -5°C (24°F) to a maximum of 26°C (79°F), with an average of 8°C (46°F). This month experiences about 44 mm (1.7 in) of precipitation over 7 days and maintains a humidity level of 65%. In contrast, February sees a slight increase in warmth, with temperatures ranging from -5°C (22°F) to a maximum of 28°C (82°F) and an average of 9°C (48°F). However, it also brings increased rainfall, totaling 65 mm (2.6 in) over 9 days, along with a rise in humidity to 71%. For more detailed weather insights, you can check Haikou weather in February.
In January, temperatures in Haikou typically range from a minimum of -5°C (24°F) to a maximum of 26°C (79°F), with an average temperature of 8°C (46°F). The month experiences about 44 mm (1.7 in) of precipitation over 7 days and has a humidity level around 65%. In contrast, March sees a significant rise in temperatures, where the minimum is 0°C (33°F) and the maximum can reach up to 31°C (88°F), with an average temperature of 13°C (56°F). Additionally, March is wetter, with total precipitation of 122 mm (4.8 in) over 15 days and higher humidity at 81%. This shift highlights the transition from the cooler, drier January to the warmer, more humid conditions of March. For more details on the weather during this month, check Haikou weather in March.
When comparing the weather in January and April, significant differences emerge. In January, temperatures range from a chilly minimum of -5°C (24°F) to a comfortable maximum of 26°C (79°F), with an average of 8°C (46°F). The month typically sees about 44 mm (1.7 in) of precipitation over 7 days, and humidity hovers around 65%. In contrast, April brings much warmer conditions, with minimum temperatures rising to 3°C (38°F) and maximums reaching up to 33°C (92°F), averaging 17°C (63°F). Rainfall also increases to 97 mm (3.8 in) over 13 days, resulting in higher humidity levels of 86%. For more detailed insights, check Haikou weather in April.
In January, the weather tends to be much cooler, with temperatures ranging from a minimum of -5°C (24°F) to a maximum of 26°C (79°F) and an average of 8°C (46°F). The month sees about 44 mm (1.7 in) of precipitation spread over approximately 7 days, alongside a moderate humidity level of 65%. In contrast, May brings significantly warmer temperatures, with a minimum of 10°C (50°F) and a peak of 39°C (103°F), averaging around 22°C (71°F). However, this month also experiences much higher precipitation, totaling 207 mm (8.2 in) over about 15 days, and increased humidity at 87%. For more detailed information on May weather, you can visit Haikou weather in May.
When comparing the weather in January and June, notable differences emerge. January experiences cooler temperatures, with a minimum of -5°C (24°F), an average of 8°C (46°F), and highs reaching up to 26°C (79°F). The month sees relatively low precipitation at 44 mm (1.7 in) over just 7 days, accompanied by a moderate humidity level of 65%. In contrast, June brings significantly warmer conditions, with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 37°C (99°F) and an average of 25°C (76°F). Precipitation in June skyrockets to 309 mm (12.1 in), occurring on 20 days, and the humidity rises to a high of 87%. For more insights on the June weather, you can check Haikou weather in June.
In January, the weather is generally mild with temperatures ranging from a minimum of -5°C (24°F) to a maximum of 26°C (79°F) and an average of 8°C (46°F). This month experiences about 44 mm (1.7 in) of precipitation over approximately 7 days, combined with a humidity level of 65%. In stark contrast, July brings significantly warmer weather, with minimum temperatures around 20°C (69°F) and highs reaching up to 37°C (100°F), averaging 28°C (82°F). The month sees much heavier rainfall, totaling 199 mm (7.9 in) over 18 days, and humidity levels soaring to 91%. For more details, you can check out Haikou weather in July.
January and August present contrasting weather patterns. In January, temperatures range from a chilly minimum of -5°C (24°F) to a mild average of 8°C (46°F), with occasional highs reaching 26°C (79°F). The month sees about 44 mm (1.7 in) of precipitation over seven days and maintains a humidity level of 65%. In stark contrast, August experiences much warmer temperatures, with a minimum of 21°C (70°F) and an average of 28°C (82°F), peaking at a sweltering 38°C (100°F). This month also receives significantly more rainfall, totaling 159 mm (6.3 in) across 17 days, while humidity levels rise to 87%. For more details, visit Haikou weather in August.
In January, temperatures in Haikou range from a chilly minimum of -5°C (24°F) to a comfortable average of 8°C (46°F), with maximums reaching up to 26°C (79°F). The month experiences 44 mm (1.7 in) of precipitation over about 7 days, resulting in a relatively cool and dry climate with 65% humidity. In stark contrast, September boasts a much warmer profile, with temperatures starting at a minimum of 15°C (59°F) and soaring to a maximum of 37°C (99°F), averaging around 25°C (77°F). This month sees significantly higher rainfall, with 98 mm (3.9 in) of precipitation spread over 12 days, accompanied by increased humidity at 72%. For more detailed information on September weather, you can check Haikou weather in September.
In January, temperatures range from a chilly -5°C (24°F) at night to a mild 26°C (79°F) during the day, with an average of 8°C (46°F). The month experiences about 44 mm (1.7 in) of precipitation over 7 days and has a humidity level of 65%. In contrast, October brings much warmer weather, with night temperatures starting at 8°C (47°F) and soaring up to 35°C (96°F), averaging around 19°C (67°F). The precipitation increases to 66 mm (2.6 in) over the same number of days, accompanied by higher humidity at 74%. For a closer look at the specific conditions, you can explore Haikou weather in October.
In January, temperatures range from a chilly minimum of -5°C (24°F) to a comfortable maximum of 26°C (79°F), with an average of 8°C (46°F). This month experiences about 44 mm (1.7 in) of precipitation over approximately 7 days, accompanied by a humidity level of 65%. In contrast, November sees milder temperatures, with a minimum of 2°C (36°F) and a maximum reaching 31°C (88°F), resulting in an average temperature of 14°C (58°F). Precipitation increases to 64 mm (2.5 in), occurring over about 8 days, and the humidity rises to 80%. For more details, check out Haikou weather in November.
When comparing the weather in January to December, January tends to experience slightly cooler temperatures, with an average of 8°C (46°F) compared to December's 9°C (48°F). The maximum temperatures are also lower in January, reaching up to 26°C (79°F), compared to December's peak of 28°C (83°F). Both months have similar levels of precipitation, with January receiving 44 mm (1.7 in) over 7 days, while December sees 38 mm (1.5 in) across 8 days. Additionally, January's humidity is lower at 65%, compared to December's 78%, indicating a drier atmosphere. For more detailed information on December weather, you can check Haikou weather in December.
In January, Haikou experiences a unique climate that sets it apart from other months. With peak temperatures reaching a pleasant 26°C, the weather is relatively mild; however, one can also expect cooler spells with lows dipping to around -5°C. The month sees a notable decrease in rainfall, averaging just 44 mm over about seven days, which contributes to the overall 65% humidity that can make even the cool days feel brisk. This balance of warm and cool weather, combined with less precipitation, allows for enjoyable outdoor activities, making January a wonderful time to explore Haikou's stunning landscapes. For more information on the nuances of Haikou's weather throughout the year, check out Haikou Climate.