Last updated: August 21, 2025
January in Haikou, China offers a mild winter experience, with temperatures ranging from a minimum of -5°C (24°F) to a maximum of 24°C (75°F). The average temperature hovers around 8°C (46°F), providing a refreshing yet comfortable environment. While the month witnesses approximately 70 mm (2.7 in) of rainfall over 9 days, humidity levels remain at a steady 65%, adding a touch of moisture to the cool air. This blend of mild temperatures and occasional showers makes January a unique time to explore Haikou’s scenic beauty.
In January, Haikou, China, experiences a notable temperature range that sets the stage for the year ahead. With minimums dipping to -5°C (24°F) and an average hovering around 8°C (46°F), the month begins cool yet brightens up, reaching a pleasant maximum of 24°C (75°F). This transitional chill is a precursor to the gradual warming trend, as February sees a slight rise in temperatures, with averages inching up to 9°C (48°F) and maximums peaking at 26°C (79°F). As winter yields to spring, March welcomes more comfortable conditions, further elevating daytime highs to 30°C (86°F). The trend continues through the months, with temperatures steadily climbing, ultimately reaching sizzling peaks of up to 41°C (105°F) in August. This progression highlights Haikou's shift from the cooler winter months to a sweltering summer, ideal for those who appreciate balmy tropical weather.
In January, Haikou experiences a moderate precipitation level of 70 mm (2.7 in), spanning approximately 9 days of rainfall. This marks the beginning of a steady increase in moisture as the year progresses, with February and March seeing notable rises. By March, the precipitation nearly triples, reaching 205 mm (8.1 in), and it continues to peak in June at a striking 407 mm (16.0 in). The pattern reveals a clear trend of increasing rainfall, particularly in the late spring and summer months, before tapering off as the year transitions back to drier conditions in October and November. Overall, January serves as a precursor to the vibrant, rain-soaked months that follow, highlighting Haikou's tropical climate and the dynamic shifts in precipitation throughout the year.
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 in Haikou, China, the UV Index stands at 6, placing it in the high exposure category with a burn time of just 25 minutes. As the months progress, there is a noticeable trend of increasing UV levels, peaking in May and June with extreme readings of 11 and 12, where the burn time shrinks to a mere 10 minutes. Even in the cooler months, such as November and December, the UV Index remains relatively elevated, maintaining a healthy caution for sun exposure. This pattern highlights the importance of protective measures year-round, especially during the summer months when the sun's intensity is at its highest. For more insights, explore the detailed Haikou UV Index.
UV Risk Categories
In Haikou, China, January sets the stage for the year with 159 hours of sunlight, a gentle introduction that gradually welcomes longer days. As February rolls in, the sunshine increases to 201 hours, hinting at the blossoming warmth of spring. The trend continues upward, reaching 215 hours in March and peaking dramatically in the summer months, where July bathes the city in 302 hours of golden rays. Although the sun shines the longest in August with 315 hours, there’s a gradual tapering off into autumn, with September yielding 266 hours and a consistent yet reduced brightness through to December. This captivating journey through the months not only marks a passage of time but invites residents and visitors alike to bask in the diverse beauty of Haikou's climate throughout the year.
In January, Haikou enjoys a 58% chance of sunny weather, marking it as one of the brighter months of the year. This is particularly notable when compared to neighboring months, as the likelihood of sunshine dips to 36% in February and continues to diminish through the spring. Meanwhile, September emerges as another standout month with 61% sunshine, suggesting a late-summer resurgence in bright conditions. Overall, January holds the promise of clear skies, making it an optimal time to bask in Haikou's sunshine before the cloudier days of June and July. As the year progresses, the trend illustrates a fluctuating pattern of sunny weather, with November and December also benefiting from relatively high chances of sun, reaffirming Haikou's appeal as a pleasant winter getaway.
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 January, Haikou, China, experiences a gentle breeze with an average wind speed of 2.0 m/s (4 mph), setting a calm tone for the start of the year. As winter progresses into February, the winds pick up slightly to 2.1 m/s (5 mph), before settling back to 2.0 m/s in both March and April, signaling a consistent pattern. Moving into May and June, the winds lessen to 1.8 m/s (4 mph) and 1.6 m/s (4 mph), creating a peaceful ambiance that carries through the early summer. However, the July months bring a slight uptick to 2.2 m/s, reflecting the season's peak warmth. This uptick is short-lived, as August and September see a return to calmer days at 1.7 m/s. The transition into October brings renewed vigor with the wind's strength increasing again to 2.4 m/s, while November and December close the year quietly at 1.9 m/s. This fluctuation hints at a rhythmic pattern in Haikou's climate, where gentle breezes dominate much of the year, punctuated by brief moments of refreshing gusts.
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 notable differences in weather patterns. January showcases a minimum temperature of -5°C (24°F) and an average of 8°C (46°F), with maximum temperatures reaching 24°C (75°F). It experiences about 70 mm (2.7 in) of precipitation over 9 days, resulting in a humidity level of 65%. In contrast, February brings slightly milder temperatures, with a minimum of -3°C (26°F) and an average of 9°C (48°F), peaking at 26°C (79°F). The month is wetter, accumulating 83 mm (3.3 in) of precipitation across 12 days, and the humidity increases to 71%. For a detailed comparison, you can refer to Haikou weather in February.
In January, temperatures in Haikou vary significantly, with a minimum of -5°C (24°F) and a maximum reaching 24°C (75°F), resulting in an average of 8°C (46°F). The month experiences 70 mm (2.7 in) of precipitation over nine days, coupled with a relatively lower humidity of 65%. In contrast, March brings much warmer weather, with temperatures starting at a minimum of 3°C (38°F) and soaring to a maximum of 30°C (86°F), leading to a comfortable average of 14°C (58°F). However, it also sees increased rainfall, with 205 mm (8.1 in) spread over 16 days and a higher humidity level of 81%. For a detailed look at weather trends during this month, visit Haikou weather in March.
January and April present a striking contrast in weather conditions. In January, temperatures range from a chilly -5°C (24°F) at night to a comfortable average of 8°C (46°F), with daytime highs peaking at 24°C (75°F). Precipitation during this month totals 70 mm, falling over 9 days, and the humidity hovers around 65%.
In comparison, April brings milder temperatures with a minimum of 5°C (41°F) and an average of 18°C (65°F). The maximum can soar to 33°C (91°F), highlighting a significant warming trend. Notably, April is also much wetter, with 179 mm of rainfall spread across 14 days, and the humidity increases to a more muggy 86%. To learn more about the specific weather conditions in April, you can visit Haikou weather in April.
In January, the weather is generally cool, with temperatures ranging from a chilly minimum of -5°C (24°F) to a pleasant average of 8°C (46°F) and a maximum of 24°C (75°F). The month sees about 70 mm (2.7 in) of precipitation over approximately 9 days, accompanied by a moderate humidity level of 65%. In contrast, May experiences significantly warmer conditions, with temperatures ranging from a minimum of 11°C (52°F) to an average of 23°C (74°F) and soaring up to 36°C (97°F) at its peak. While May has higher humidity at 87%, it also brings increased rainfall, totaling around 244 mm (9.6 in) over 16 days. For more information on the specifics of May weather, you can visit Haikou weather in May.
In January, the weather is quite cool with temperatures ranging from a minimum of -5°C (24°F) to a maximum of 24°C (75°F), averaging around 8°C (46°F). The month sees about 70 mm (2.7 in) of precipitation over 9 days, accompanied by a humidity level of 65%. In stark contrast, June experiences much warmer conditions, with temperatures starting at a minimum of 17°C (63°F) and soaring to a maximum of 36°C (98°F), averaging 26°C (79°F). This month is also significantly wetter, receiving 407 mm (16.0 in) of rain over 20 days and boasted higher humidity at 87%. For a more detailed look at the weather in June, check out Haikou weather in June.
The weather in January contrasts significantly with that of July. In January, temperatures range from a chilly -5°C (24°F) to a comfortable 24°C (75°F), with an average of 8°C (46°F). The month sees about 70 mm (2.7 in) of precipitation over approximately 9 days, accompanied by a humidity level of 65%.
In stark contrast, July experiences much warmer temperatures, with a minimum of 21°C (70°F), an average of 29°C (85°F), and highs reaching up to 39°C (103°F). Rainfall is markedly higher in July, averaging 300 mm (11.8 in) across 16 days, and humidity climbs to a steep 91%. For further details, you can check Haikou weather in July.
January's weather is characterized by cool temperatures, ranging from a minimum of -5°C (24°F) to a maximum of 24°C (75°F), with an average of 8°C (46°F). It experiences moderate precipitation of 70 mm (2.7 in) over about nine days, accompanied by a relative humidity of 65%. In stark contrast, August boasts much warmer conditions, with temperatures ranging from a minimum of 22°C (71°F) to a scorching maximum of 41°C (105°F) and an average of 30°C (86°F). This month sees higher precipitation, totaling 119 mm (4.7 in) across 13 days, along with elevated humidity levels at 87%. For more specific details about August weather, you can refer to Haikou weather in August.
The weather in January features cooler temperatures, with a minimum of -5°C (24°F) and an average of 8°C (46°F), peaking at 24°C (75°F). In contrast, September brings significantly warmer conditions, marked by a minimum of 17°C (63°F) and an average of 27°C (80°F), with highs reaching up to 38°C (101°F). Both months experience similar precipitation levels, around 70-71 mm (2.7-2.8 in), and about 9 days of rainfall. However, humidity is slightly higher in September, at 72% compared to January's 65%. For those interested in a more detailed look at conditions during this month, check out Haikou weather in September.
In January, the weather features cooler temperatures, with a minimum of -5°C (24°F) and an average of 8°C (46°F), peaking at 24°C (75°F). Total precipitation amounts to 70 mm (2.7 in) over about 9 days, with a humidity level of 65%. In contrast, October sees significantly milder weather, with minimum temperatures at 11°C (51°F) and an average of 21°C (70°F), reaching a maximum of 36°C (97°F). Precipitation in October is lower, at 40 mm (1.6 in) across 6 days, and humidity increases to 74%. For more detailed information, you can check Haikou weather in October.
In January, the weather features a wide range of temperatures, with a minimum of -5°C (24°F) and a maximum of 24°C (75°F), averaging around 8°C (46°F). This month experiences about 70 mm (2.7 in) of precipitation spread over 9 days, with a relative humidity of 65%. In contrast, November sees milder temperatures, with a minimum of 3°C (37°F) and a maximum reaching 29°C (85°F), averaging 15°C (59°F). Precipitation remains similar at 70 mm (2.8 in), but it lasts for about 10 days, contributing to a higher humidity level of 80%. Overall, November presents warmer conditions with slightly more moisture than January, making it a more humid month. For more details, check out Haikou weather in November.
In January, the weather is slightly cooler than in December, with average temperatures ranging from a low of -5°C (24°F) to a high of 24°C (75°F). This contrasts with December, where temperatures fluctuate between -2°C (28°F) and a maximum of 23°C (74°F), resulting in a marginally warmer average. Precipitation levels are higher in January at 70 mm (2.7 in) over 9 days compared to December's 57 mm (2.2 in) over 8 days. Additionally, January experiences lower humidity at 65%, while December sees higher humidity levels at 78%. For more detailed information, you can visit Haikou weather in December.
January in Haikou marks a transition to cooler winters, with temperatures significantly lower than the warmer months. The average climate sees a refreshing crispness, with increased humidity contributing to a unique atmosphere. Compared to the sultry summer and mild autumn, January experiences sparse precipitation, with rain falling on about 9 days, resulting in an overall drier spell. This month's weather is ideal for those seeking to escape the heat, presenting an opportunity to explore the scenic beauty of Haikou without the crowds. For more detailed insights into the city's yearly climate patterns, check out Haikou Climate.