Last updated: August 21, 2025
January in Haikou, China, offers a mild winter retreat with temperatures peaking at a comfortable 21°C (70°F) and dipping as low as -2°C (29°F). The average temperature hovers around 10°C (50°F), creating a refreshing atmosphere. Despite the seasonal chill, precipitation is relatively low, with just 39 mm (1.5 in) of rain spread over 4 days. The air remains moderately humid at 58%, providing a pleasant balance to the cooler days. Whether you’re exploring the local sights or enjoying the coastal breeze, January in Haikou is an ideal time to experience this vibrant city.
In Haikou, China, January presents a fascinating transition in temperatures, setting the stage for the winter months. With a minimum of -2°C (29°F), the nights can feel quite chilly, contrasting sharply with an enjoyable average of 10°C (50°F) and a pleasant maximum peaking at 21°C (70°F). As winter progresses into February, temperatures rise slightly, with a minimum of 0°C (31°F) and an average nudging up to 11°C (53°F). This gradual warming trend hints at the approaching spring, as March ushers in much milder conditions, showcasing a striking maximum of 29°C (84°F) by the end of the month. Overall, January serves as the coldest month in Haikou, yet it offers a comfortable middle ground perfect for exploring the city's natural beauty before the temperatures continue to climb into the spring.
In January, Haikou experiences a modest start to the year with 39 mm (1.5 in) of precipitation spread over just 4 days. This sets a relatively dry tone compared to the subsequent months, particularly February, which sees a further dip to 20 mm (0.8 in) over 3 days. As the seasons transition, precipitation gradually increases, culminating in the peak rainy months of June and July, where Haikou is often drenched with over 200 mm of rain, while the rainy days soar to 20 and 26, respectively. This evolving rainfall pattern illustrates Haikou's tropical climate, with a clear shift from the drier beginnings of the year to the lush, wet summer months. Overall, January lays the foundation for the rainfall trends that dominate the island's weather throughout the year.
In January, Haikou experiences a moderate humidity level of 58%, setting the stage for a mild start to the year. As the months progress, the humidity gradually increases, peaking during the summer months of July and August with an impressive 90%, creating a distinctly tropical atmosphere. February marks a notable uptick to 65%, followed by a sharp drop in March and April to a comfortable 44%, suggesting a brief respite from the mugginess. The transition into late spring and summer sees a significant climb, highlighting the city's characteristic humidity, which remains high through the fall, settling back to 73% in December. This cyclical pattern underscores Haikou's tropical climate, where humidity ebbs and flows throughout the year, significantly influencing the local weather and lifestyle.
In January, Haikou experiences a very high UV Index of 8, prompting caution with a burn time of just 15 minutes. As the months progress, the UV levels climb steadily; February sees the index rise to 10, followed by a significant jump in March to 12, where it reaches an extreme exposure category. The intense sun persists from April through July, peaking at an astonishing 16 in July, demanding a mere 10 minutes of exposure before risking sunburn. By comparison, UV levels begin to ease in late summer and autumn, with November dropping back to 9 and December further relaxing to 7. This trend highlights not only the striking intensity of Haikou's sun exposure in the early months of the year but also emphasizes the importance of sun safety throughout the seasons. For detailed insights on navigating the sun's rays, visit Haikou UV Index.
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January in Haikou, China, shines with an impressive 225 hours of sunshine, setting the stage for a bright start to the year. As winter transitions to spring, the daylight hours gradually increase, peaking in May with 333 hours, allowing residents and visitors alike to bask in the warm glow. The months following January show a steady climb in sunshine, reaching a high in March at 322 hours, before slightly tapering off in the summer. This trend continues through the year, with August and September both enjoying robust sunshine, while the days grow shorter in the cooler months of October through December. Overall, Haikou's sunshine pattern reveals a consistent embrace of light, making it a delightful destination year-round.
In Haikou, China, the likelihood of basking in sunny weather during January stands at a promising 60%, making it one of the brighter months of the year. This trend of sunny days continues to climb through February and March, reaching a peak of 76% by springtime. However, as the year progresses, the chances of sunshine begin to wane significantly, particularly in the summer months, where they plummet to a mere 12% in July. Conversely, the chance of sun starts to recover in the latter part of the year, though it remains lower than in the earlier months, hovering around 26% in October and 38% in December. Overall, January offers a favorable start to the year for those seeking sunny skies in Haikou.
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 January, Haikou enjoys a breezy start to the year, with an average wind speed of 3.2 m/s (7 mph) that continues into February. As the weather starts to warm in March, wind speeds pick up slightly to 4.2 m/s (9 mph), hinting at the transition to spring. However, a gentle dip follows in April and May, bringing average speeds of 3.4 m/s (8 mph) and 3.7 m/s (8 mph), respectively, before the summer months see a noticeable drop. From June through August, the winds soften significantly, plummeting to around 2.0 m/s (5 mph) by August. This trend of calmer winds persists into September and October, only slightly revving up again in the late fall and early winter months of November and December. Overall, January's breeziness gives way to a gradual decline in wind intensity, mirroring the tropical climate's gentle ebb and flow.
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 in Haikou present a subtle transition in weather. January experiences cooler temperatures, with a minimum of -2°C (29°F) and an average of 10°C (50°F), while February warms up slightly, reaching a minimum of 0°C (31°F) and an average of 11°C (53°F). Both months see mild high temperatures, but February can reach up to 24°C (75°F), compared to January's maximum of 21°C (70°F). Precipitation is relatively low in both months, with January recording 39 mm over 4 days and February showing just 20 mm over 3 days. Humidity increases in February, reaching 65% compared to January's 58%. For more detailed information, visit Haikou weather in February.
In January, the weather features a minimum temperature of -2°C (29°F) and an average of 10°C (50°F), with a maximum reaching up to 21°C (70°F). The month sees around 39 mm (1.5 in) of precipitation over 4 days, complemented by a relatively high humidity level of 58%. In contrast, March brings a noticeable warming trend, with minimum temperatures of 6°C (42°F) and an average of 16°C (61°F), peaking at a maximum of 29°C (84°F). Precipitation during March is lighter, totaling 25 mm (1.0 in) across 5 days, and the humidity drops to 44%. For more detailed information about the weather in March, you can visit Haikou weather in March.
In January, the weather is characterized by cooler temperatures, with a minimum of -2°C (29°F) and an average of 10°C (50°F), reaching a maximum of 21°C (70°F). The month sees relatively light precipitation of 39 mm (1.5 in) over just 4 days, and the humidity stands at 58%. In contrast, April brings a significant warming trend, featuring a minimum temperature of 4°C (40°F) and an average of 18°C (64°F), peaking at a maximum of 31°C (88°F). Rainfall increases to 64 mm (2.5 in) across 8 days, and humidity drops to a more comfortable 44%. With these changes, April offers a much warmer and wetter climate compared to the chill of January. For more details, check out Haikou weather in April.
January weather features a cool climate with average temperatures ranging from a minimum of -2°C (29°F) to a maximum of 21°C (70°F). The month sees a moderate level of precipitation at 39 mm (1.5 in) over just 4 days, with humidity sitting at 58%. In contrast, May experiences much warmer conditions, with temperatures ranging from a minimum of 7°C (46°F) to a peak of 32°C (91°F) and an average of 20°C (69°F). Precipitation increases to 65 mm (2.6 in) across 8 days, and humidity rises slightly to 62%. This transition from the chill of January to the warmth of May highlights the shift toward a more tropical climate. For more details, visit Haikou weather in May.
January and June present strikingly different weather patterns. January experiences cooler temperatures, with a minimum of -2°C (29°F) and an average of 10°C (50°F), while June warms up significantly, boasting a minimum of 13°C (56°F) and an average of 21°C (71°F). Precipitation also varies dramatically; January receives only 39 mm (1.5 in) over 4 days, whereas June sees a much higher rainfall of 201 mm (7.9 in) across 20 days. Additionally, the humidity levels rise from a mild 58% in January to a more oppressive 82% in June. For those interested in more details, you can explore Haikou weather in June.
In January, the weather is relatively cool with temperatures ranging from a minimum of -2°C (29°F) to a maximum of 21°C (70°F), averaging around 10°C (50°F). The month experiences limited rainfall, with only 39 mm (1.5 in) spread across just 4 days and humidity levels at a comfortable 58%. In stark contrast, July brings much warmer temperatures, with a minimum of 14°C (58°F) and a maximum reaching 29°C (84°F), averaging 21°C (69°F). However, this warmth comes with significantly higher precipitation, totaling 271 mm (10.7 in) over 26 days and a humidity level that rises to 89%. For more detailed insights on July weather, check out Haikou weather in July.
January and August present stark contrasts in weather conditions. In January, temperatures range from a chilly -2°C (29°F) at night to a comfortable average of 10°C (50°F) during the day, peaking at 21°C (70°F). The month sees relatively low precipitation, totaling 39 mm (1.5 in) over just 4 days, and average humidity stands at 58%. Conversely, August brings much warmer conditions, with minimum temperatures starting at 16°C (60°F) and reaching an average of 21°C (70°F), peaking at 29°C (85°F). However, it is also the wettest month, recording 268 mm (10.5 in) of rain over 26 days, accompanied by high humidity levels of 90%. For more details on the climate in August, check out Haikou weather in August.
January and September display quite different weather patterns. In January, temperatures range from a chilly minimum of -2°C (29°F) to a pleasant average of 10°C (50°F), peaking at a comfortable maximum of 21°C (70°F). Precipitation is relatively low, with only 39 mm (1.5 in) falling over about 4 days, and humidity sits at a moderate 58%.
In contrast, September is significantly warmer, with temperatures ranging from a minimum of 11°C (52°F) to an average of 19°C (67°F) and a high of 28°C (82°F). Rain is much more frequent during this month, with a substantial 161 mm (6.3 in) of precipitation over 22 days, and humidity rises notably to 87%. For more detailed insights, visit Haikou weather in September.
January and October exhibit quite a contrast in weather patterns. In January, temperatures are cooler, with a minimum of -2°C (29°F) and an average of 10°C (50°F), reaching up to 21°C (70°F). The month sees relatively low precipitation at 39 mm (1.5 in), falling over just 4 days, and a moderate humidity level of 58%. In comparison, October experiences milder and warmer temperatures, ranging from a minimum of 8°C (47°F) to a pleasant maximum of 26°C (78°F), with an average of 17°C (62°F). However, it is also wetter, with precipitation totaling 89 mm (3.5 in) over 17 days and a higher humidity of 81%. For more details on the weather during October, you can explore Haikou weather in October.
In January, the weather is notably cooler, with temperatures ranging from a minimum of -2°C (29°F) to a maximum of 21°C (70°F) and an average of 10°C (50°F). The month experiences about 39 mm (1.5 in) of precipitation over just 4 days, accompanied by a moderate humidity level of 58%. In contrast, November sees a more temperate climate, where temperatures start at a minimum of 5°C (40°F) and can rise to a maximum of 24°C (75°F), with an average temperature of 13°C (56°F). This month has slightly less precipitation at 32 mm (1.3 in) spread over 6 days, but the humidity is higher at 82%. For more details on November weather, check Haikou weather in November.
In January, the weather features a slightly lower minimum temperature of -2°C (29°F) compared to December's minimum of -1°C (30°F), while both months share the same average temperature of 10°C (50°F) and a maximum temperature of 21°C (70°F). Precipitation is notably higher in January, with 39 mm (1.5 in) over four days, compared to December's 23 mm (0.9 in) also over four days. Additionally, January experiences lower humidity at 58%, whereas December has a higher humidity level at 73%. For more detailed information, you can visit Haikou weather in December.
January in Haikou offers a refreshing contrast to the hotter months, with cooler temperatures averaging around 10°C (50°F) and milder highs of 21°C (70°F). This month sees a welcome dip in precipitation, with only about 39 mm (1.5 in) over just four days, making it one of the drier times of the year. The 58% humidity adds a crispness to the air, providing a comfortable escape from the tropical heat typical of the rest of the year. For those interested in exploring the unique climate patterns of Haikou throughout the year, check out Haikou Climate.