Last updated: August 21, 2025
March in Haikou, China signals the transition into warmer weather, with maximum temperatures reaching a pleasant 31°C (88°F), while the average cools to 13°C (56°F). Despite the balmy days, nighttime temperatures can dip as low as 0°C (33°F). The month sees a notable precipitation total of 122 mm (4.8 in), distributed over 15 rainy days, contributing to the region's lush environment. With an 81% humidity level, the air carries a tropical feel, making March an intriguing time for both locals and visitors to experience the vibrant climate of Haikou.
In March, Haikou experiences a refreshing shift as temperatures rise from the colder winter months, with minimums reaching 0°C (33°F) and averages climbing to 13°C (56°F). The delightful warmth peaks at 31°C (88°F), inviting locals and visitors alike to enjoy the emerging spring atmosphere. This transition signals a steady increase in temperatures leading into April, where the city continues to warm up. March stands out as a bridge between the cooler season and the sultry days of summer, making it an ideal time for outdoor activities and exploring Haikou's vibrant culture as nature begins to flourish.
March marks a significant uptick in precipitation for Haikou, China, as the city begins to transition into the wetter months. With 122 mm (4.8 inches) of rain falling over 15 days, it's a notable increase compared to the lighter showers of January and February, which saw 44 mm and 65 mm respectively. This pattern suggests that as spring unfolds, Haikou's weather becomes increasingly damp, setting the stage for the even heavier rains expected in April and May. Not only does March signal a shift in precipitation amounts, but it also reflects a greater frequency of rainy days, reinforcing the notion that the region is heading into its wet season. This shift is essential for the local ecology and agricultural practices, highlighting the importance of seasonal rainfall patterns in Haikou.
In March, Haikou experiences a notable increase in humidity, rising to 81%. This upward trend marks the beginning of a more humid season, as the city transitions from the cooler months of January and February, where humidity levels hovered around 65% and 71%, respectively. As the year progresses, the humidity continues to climb, peaking in the summer months of July at a staggering 91%. This pattern indicates Haikou's tropical climate, characterized by high humidity levels, particularly in the latter half of the year. With April following closely at 86%, it’s clear that March serves as a pivotal point, signaling the onset of the hotter, more humid months ahead.
As March arrives in Haikou, China, residents and visitors should brace for an intensifying UV Index, which peaks at 10, categorized as very high. This month's burn time of just 15 minutes underscores the need for sun protection, reflecting a broader trend of rising UV exposure as spring approaches. January and February showed lower UV indices of 6 and 8, respectively, but the transition to March’s 10 signals a clear shift, foreshadowing even higher levels ahead in April and May. With April reaching an extreme index of 11, sun safety will become increasingly vital. For real-time updates on UV levels and protection tips, check out Haikou UV Index.
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March in Haikou, China, ushers in a delightful increase in sunshine, with 206 hours basking the city in warm light, marking a noticeable rise from 196 hours in February. This trend of growing daylight continues into April, where the sun shines even brighter for 245 hours. As the landscape transitions into spring, the extended sunshine not only enhances the city's natural beauty but also invites locals and tourists alike to revel in outdoor activities. This steady ascent in sunlight hours from the start of the year underscores Haikou’s appeal as a sun-soaked destination, gradually building up to the summer months, where the sun shines its brightest in the bustling days of July and August.
In Haikou, China, the likelihood of sunny weather takes a noticeable dip in March, with only a 22% chance of sunshine, making it one of the cloudier months of the year. This marks a significant drop from January's robust 53%, highlighting a trend toward increased overcast conditions as spring progresses. As temperatures rise in April and May, the chances of sunshine remain modest, dropping further to 26% in April and plummeting to just 14% in May. This pattern suggests that while the early months of the year may offer more sunny days, March and the spring months tend to usher in a cloudier atmosphere, creating a unique blend of weather expectations for those planning their visit.
In March, Haikou enjoys about 11 hours of daylight, maintaining the same duration as February. As the seasons transition, daylight begins to increase noticeably, with April promising an extra hour of sunlight, reaching 12 hours. This upward trend continues into May and through the summer months, where daylight peaks at 13 hours from June to August. As the days begin to shorten again in September, the gradual decline returns to 11 hours by October. This pattern showcases Haikou's vibrant springtime, making March a delightful precursor to the sun-drenched months ahead.
March in Haikou, China, brings a gentle breath of air with an average wind speed of 1.7 m/s (4 mph), mirroring the sweet whispers of early spring. This slight increase from February's calm 1.6 m/s shows a hint of transition, as the winds prepare to dance more vigorously through the region. Notably, the winds are generally mild throughout the first half of the year, with speeds fluctuating only slightly—a trend that remains consistent until summer arrives. As the months progress, the air carries a mix of warmth, maintaining its gentle embrace, while summer peaks at 1.8 m/s in July. Overall, March serves as a bridge, where the coolness of winter mingles with the warmth of approaching spring, creating an inviting atmosphere for residents and travelers alike.
Weather in Haikou varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Haikou, focusing on differences in temperature, rainfall, humidity, and UV levels.
March in Haikou experiences a notable shift in temperatures compared to January, with minimums rising from -5°C (24°F) in January to 0°C (33°F) and maximums climbing from 26°C (79°F) to 31°C (88°F). The average temperature in March reaches 13°C (56°F), indicating a more comfortable climate as spring approaches. However, March sees significantly more precipitation at 122 mm (4.8 in) over 15 days, compared to January's 44 mm (1.7 in) across just 7 days, resulting in higher humidity levels of 81% in March versus 65% in January. For more information on January weather in Haikou, visit Haikou weather in January.
When comparing the weather in March to February, we see a noticeable increase in temperatures and humidity. In March, temperatures range from a minimum of 0°C (33°F) to a maximum of 31°C (88°F), with an average of 13°C (56°F). In contrast, February experiences cooler temperatures, with a minimum of -5°C (22°F) and a maximum of 28°C (82°F), averaging around 9°C (48°F). Additionally, March is characterized by heavier rainfall, with 122 mm (4.8 in) of precipitation over 15 days, compared to February's 65 mm (2.6 in) over just 9 days. The humidity also rises in March to 81%, compared to 71% in February. For more detailed insights on February weather, you can check Haikou weather in February.
March and April exhibit noticeable differences in weather patterns. March typically experiences lower minimum temperatures, ranging from 0°C (33°F) to a maximum of 31°C (88°F), with an average temperature of 13°C (56°F). It also sees higher precipitation, totaling 122 mm (4.8 in) over 15 days, resulting in an 81% humidity level. In contrast, April brings slightly warmer temperatures, with a minimum of 3°C (38°F) and a maximum of 33°C (92°F), averaging 17°C (63°F). The month is drier, with 97 mm (3.8 in) of precipitation over 13 days and a higher humidity of 86%. For more detailed information, check out the Haikou weather in April.
March and May weather show distinct differences in temperature and precipitation patterns. In March, temperatures range from a chilly 0°C (33°F) to a warm 31°C (88°F), with an average of 13°C (56°F). The month experiences significant rainfall, totaling 122 mm (4.8 in) over about 15 days, and humidity sits at a high 81%. In contrast, May brings much warmer conditions, with temperatures ranging from a mild 10°C (50°F) to a scorching 39°C (103°F) and an average of 22°C (71°F). Precipitation increases to 207 mm (8.2 in) over the same number of days, leading to an even higher humidity level of 87%. For more detailed insights into the weather during this month, you can check Haikou weather in May.
In March, the weather typically showcases a wide range of temperatures, with a minimum of 0°C (33°F) and a maximum reaching up to 31°C (88°F), accompanied by an average temperature of 13°C (56°F). This month experiences around 122 mm (4.8 in) of precipitation over approximately 15 days, resulting in a humidity level of 81%. In contrast, June is considerably warmer, featuring a minimum temperature of 15°C (59°F) and soaring to a maximum of 37°C (99°F), with an average of 25°C (76°F). Rainfall is more pronounced during this month, totaling about 309 mm (12.1 in) over 20 days and bringing humidity up to 87%. For a detailed look at the weather specifics, you can refer to Haikou weather in June.
March and July present contrasting weather patterns. In March, temperatures range from a chilly 0°C (33°F) at night to a pleasant 31°C (88°F) during the day, with an average temperature of 13°C (56°F). The month sees about 122 mm (4.8 in) of precipitation over 15 days, accompanied by a humidity level of 81%. In stark contrast, July experiences much warmer conditions, with minimum temperatures starting at 20°C (69°F) and soaring to a high of 37°C (100°F), averaging around 28°C (82°F). This month is wetter as well, with precipitation reaching 199 mm (7.9 in) over 18 days and a higher humidity of 91%. For more specific details on July weather patterns, you can refer to Haikou weather in July.
March and August present contrasting weather characteristics. In March, temperatures range from a chilly 0°C (33°F) at night to a mild 31°C (88°F) during the day, with an average temperature of 13°C (56°F). The month sees 122 mm (4.8 in) of precipitation spread over 15 days, making humidity levels relatively high at 81%. In stark contrast, August experiences much warmer temperatures, with a minimum of 21°C (70°F) and daytime highs peaking at 38°C (100°F), averaging around 28°C (82°F). Rainfall increases to 159 mm (6.3 in) over 17 days, bringing the humidity up slightly to 87%. For more details on August weather in Haikou, check out Haikou weather in August.
In March, temperatures experience a wider range, with lows of 0°C (33°F) and highs reaching up to 31°C (88°F), averaging around 13°C (56°F). The month is characterized by higher humidity at 81% and significant precipitation, totaling 122 mm (4.8 inches) over 15 rainy days. In contrast, September delivers a warmer and more stable climate, where temperatures range from a minimum of 15°C (59°F) to a maximum of 37°C (99°F), with an average of 25°C (77°F). Precipitation decreases slightly to 98 mm (3.9 inches) over just 12 days, and humidity is lower at 72%. For more detailed information about the weather in September, check out Haikou weather in September.
March and October present distinctly different weather patterns. In March, temperatures range from a chilly 0°C (33°F) at night to a warm 31°C (88°F) during the day, with an average of 13°C (56°F). The month experiences significant precipitation, totaling 122 mm (4.8 in) over about 15 days, accompanied by high humidity at 81%. In contrast, October sees milder temperatures, with minimums of 8°C (47°F) and maximums reaching 35°C (96°F), averaging 19°C (67°F). Rainfall in October is lighter, totaling 66 mm (2.6 in) over just 7 days, and the humidity decreases slightly to 74%. For a more detailed view of October's climate, visit Haikou weather in October.
March and November exhibit similar maximum temperatures, both reaching up to 31°C (88°F), but the experiences of these months differ significantly due to variations in other weather conditions. In March, temperatures can drop to a minimum of 0°C (33°F) and average around 13°C (56°F), with higher precipitation at 122 mm (4.8 in) over 15 days, making it a wetter and more humid month at 81%. In contrast, November features slightly milder temperatures with a minimum of 2°C (36°F) and an average of 14°C (58°F), alongside significantly reduced rainfall of 64 mm (2.5 in) over just 8 days, resulting in a drier atmosphere with humidity at 80%. For more specific details about November weather, you can check Haikou weather in November.
March and December present contrasting weather patterns. In March, temperatures range from a chilly 0°C (33°F) at night to a warm 31°C (88°F) during the day, with an average of 13°C (56°F). This month sees higher precipitation, with 122 mm (4.8 in) spread over 15 days, resulting in a humidity level of 81%. In contrast, December brings cooler temperatures, with a minimum of -2°C (28°F) and a maximum of 28°C (83°F), averaging around 9°C (48°F). Precipitation drops significantly to just 38 mm (1.5 in) over 8 days, contributing to a slightly lower humidity of 78%. For more detailed information on December weather, you can check Haikou weather in December.
As March arrives in Haikou, it signifies a transition from the coolness of winter to the warming embrace of spring. While temperatures rise, offering a delightful maximum of 31°C, the air retains a notable humidity level of 81%, creating a tropical atmosphere that distinguishes it from the cooler months prior. Precipitation is also frequent, with about half the month experiencing showers, contributing to a total rainfall of 122 mm. This blend of warmth and moisture fosters an environment that's lush and vibrant, making March a unique and inviting month in Haikou. For a deeper dive into the climate nuances, check out Haikou Climate.