Last updated: August 21, 2025
March in Hainan, China experiences a notable transition as temperatures begin to rise, with maximums reaching a comfortable 17°C (63°F). The average temperature sits around -3°C (26°F), while the minimum dips to -31°C (-23°F), though such lows are rare. This month typically sees 13 mm (0.5 in) of precipitation spread over just 3 days, contributing to a humidity level of 63%. March sets the stage for the approaching warmth of spring, making it an intriguing time for visitors and residents alike.
In March, Hainan, China, begins to thaw from the depths of winter, with temperatures gradually rising and hinting at the warmth of spring. The minimum temperature settles at a brisk -31°C (-23°F), while the average climbs to a more comfortable -3°C (26°F). Daytime highs can reach a cheerful 17°C (63°F), marking a notable increase compared to the icy grasp of previous months. This trend signifies a clear transition, as Hainan sheds its winter chill and embraces the approach of milder weather, inviting both locals and visitors to enjoy the stunning landscapes as they emerge from the frost.
In March, Hainan experiences a noticeable increase in precipitation, with 13 mm (0.5 in) of rain over three days, marking a significant uptick from the minimal amounts seen in January and February. This shift signals the onset of a wetter season, as the island's weather prepares for the heavier downpours that characterize the following months. The increase is part of a broader trend, with March serving as a transitional period leading into April's more substantial rainfall of 32 mm (1.3 in). As spring progresses, the frequency of rainy days also begins to rise, laying the groundwork for the lush, verdant landscapes that follow in the height of summer.
March in Hainan, China, marks a transition towards more favorable humidity levels, with a notable drop to 63% from February’s 70%. This decrease indicates the gradual onset of drier conditions as the region shifts away from the peak of winter humidity. Following this, April continues the trend with even lower levels at 59%, showcasing Hainan's shift towards a more temperate climate as it approaches the hotter months. Interestingly, as summer approaches, humidity surges again in June, reaching a sweltering 79% and continuing to climb as the peak of the summer season hits. This pattern highlights how Hainan's weather is marked by significant seasonal shifts, with March offering a brief respite before the humid heat of summer envelops the island.
In March, Hainan, China experiences a UV Index of 4, categorizing the exposure as moderate. This signals an increase from previous months, indicating that sun safety precautions become more essential as the days warm up. With a burn time of just 30 minutes, locals and visitors alike should be mindful of sun exposure during peak hours. This trend of rising UV levels sets the stage for higher indices in the upcoming months, as April and May escalate to 6 and 7 respectively, where sun protection measures should be ramped up significantly. Staying informed about these variations is crucial for enjoying Hainan's beautiful outdoor attractions safely. For more detailed information, check out Hainan UV Index.
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March in Hainan, China, marks the transition into one of the sunniest seasons of the year, with 283 hours of glorious sunshine gracing the island. This delightful increase from 239 hours in February signals the approach of warmer days ahead. The trend continues into April, where sunshine peaks at 302 hours, laying the groundwork for an even brighter May, boasting an impressive 330 hours. As the months progress, Hainan basks in abundant sunlight, with July claiming the title of the sunniest month at 341 hours. This growing pattern of sunshine not only enhances the island's vibrant landscapes but also invites outdoor adventures, making March a particularly inviting time for travelers seeking to soak in the sun's warmth before the summer reaches its zenith.
March in Hainan, China, presents a moderate likelihood of sunny weather, with a chance of sunshine at 57%—a slight decrease compared to January's peak of 62%. After February's dip to 51%, March shows a recovery in sunny conditions, hinting that the transition into spring is on the horizon. While the month doesn't boast the highest percentages of sun, it sets the stage for more favorable conditions in April and May, which both exhibit lower chances of sunshine at 51% and 46% respectively. Overall, March offers an encouraging balance of sunshine, ideal for outdoor activities and enjoying the early spring warmth in this beautiful coastal paradise.
As winter fades into spring, March in Hainan, China, witnesses a delightful increase in daylight duration, blooming from 10 hours in February to an invigorating 11 hours. This gradual elongation of daylight is a precursor to the vibrant months ahead, with April ushering in even more sun at 13 hours. The trend continues into May and June, where residents can soak up a remarkable 15 hours of sunlight. This shift not only brightens the days but also fosters a sense of renewal, making March a pivotal month in the transition towards the peak of summer. As daylight stretches, it beckons opportunities for outdoor adventures and joyous gatherings under the warm Hainan sun.
As March arrives in Hainan, China, the island begins to feel a noticeable shift in its coastal breezes, with average wind speeds climbing to 3.6 m/s (8 mph). This gentle increase from 3.3 m/s (7 mph) in February signals the onset of spring, offering a refreshing atmosphere ideal for outdoor activities. Following this upward trend, wind speeds peak in April at 4.0 m/s (9 mph), before tapering off into the summer months. The steady but moderate winds of March create an invigorating environment, striking the perfect balance between calm and exhilaration, inviting both residents and travelers to embrace the island’s natural beauty.
Weather in Hainan varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Hainan, focusing on differences in temperature, rainfall, humidity, and UV levels.
March weather shows a notable improvement compared to January, with temperatures rising significantly. While January experiences a frigid minimum of -38°C (-36°F) and an average of -20°C (-4°F), March sees a minimum of -31°C (-23°F) and an average temperature of -3°C (26°F). Additionally, the maximum temperature in March can reach a pleasant 17°C (63°F), contrasting sharply with January’s high of only -3°C (27°F). Precipitation is slightly higher in March at 13 mm (0.5 in) over three days, compared to January's 5 mm (0.2 in) over just one day, though humidity remains relatively high in both months at 63% in March and 75% in January. For more about weather trends, check out Hainan weather in January.
In comparing the weather of March and February, we see notable differences. March experiences a more moderate temperature range, with minimums around -31°C (-23°F) and maximums reaching 17°C (63°F), resulting in an average temperature of -3°C (26°F). In contrast, February is colder, with temperatures dipping as low as -33°C (-27°F) and only peaking at 8°C (47°F), averaging -15°C (5°F). Additionally, March sees slightly more precipitation at 13 mm (0.5 in) over 3 days, compared to February's 6 mm (0.2 in) over just 1 day. Humidity levels are also slightly lower in March at 63%, compared to February’s 70%, making March feel relatively more comfortable. For a more detailed look at February weather, you can visit Hainan weather in February.
March and April present a notable transition in weather patterns. In March, temperatures range from a frigid minimum of -31°C (-23°F) to a modest maximum of 17°C (63°F), with an average of -3°C (26°F). Precipitation is relatively low at 13 mm (0.5 in) over 3 days, and humidity sits at 63%. By April, the temperatures see a significant rise, with minimums of -9°C (16°F) and maximums reaching 25°C (78°F), leading to an average of 7°C (44°F). The month also experiences increased precipitation at 32 mm (1.3 in) over 4 days, with slightly lower humidity at 59%. This shift marks a clear move from the harsh winter chill of March to a more temperate spring in April. For more detailed information, you can visit Hainan weather in April.
In March, temperatures range from a chilling minimum of -31°C to a maximum of 17°C, with an average temperature of -3°C. The month experiences limited precipitation, totaling just 13 mm over three days, and humidity levels hover around 63%. In contrast, May brings a dramatic shift in weather, with temperatures ranging from a minimum of 0°C to a warm 31°C, and an average of 14°C. This month sees significantly higher precipitation at 72 mm over eleven days, while humidity remains relatively consistent at 61%. For a closer look at what to expect, you can check Hainan weather in May.
March and June exhibit stark contrasts in weather conditions. In March, temperatures range from a frigid -31°C (-23°F) at their lowest to a mild 17°C (63°F) at their peak, with an average of -3°C (26°F). Precipitation is minimal, totaling just 13 mm over three days, and humidity sits at 63%. Conversely, June brings a much warmer climate, with temperatures ranging from 6°C (43°F) to a sweltering 36°C (97°F), averaging around 19°C (67°F). Rainfall significantly increases to 126 mm over 15 days, accompanied by higher humidity levels at 79%. For more insight into how weather patterns vary, check out Hainan weather in June.
March and July present striking contrasts in weather. In March, temperatures range from a chilly -31°C (-23°F) at their lowest to a mild 17°C (63°F) at their highest, with an average of just -3°C (26°F). The month receives relatively low precipitation, totaling 13 mm (0.5 in) over 3 days, and the humidity sits at a manageable 63%. In stark contrast, July experiences much warmer temperatures, with minimums of 13°C (57°F) and maximums soaring to 34°C (93°F), averaging around 23°C (74°F). This summer month is also much wetter, accumulating 175 mm (6.9 in) of rainfall over 17 days, coupled with increased humidity at 84%. For a closer look at July weather in Hainan, you can explore Hainan weather in July.
March and August present stark contrasts in weather. In March, temperatures can plummet as low as -31°C (-23°F), with an average around -3°C (26°F) and a maximum of 17°C (63°F). Precipitation is minimal at 13 mm (0.5 in) over just three days, and humidity sits at a moderate 63%. In contrast, August sees milder temperatures ranging from a minimum of 6°C (42°F) to a maximum of 29°C (85°F), with an average of 20°C (69°F). However, it also brings significant rainfall, accumulating to 183 mm (7.2 in) over 17 days, accompanied by high humidity at 87%. For a closer look at August weather specifically, check out Hainan weather in August.
March and September showcase stark contrasts in weather conditions. In March, temperatures can plummet to a minimum of -31°C (-23°F), with an average of -3°C (26°F) and a maximum of only 17°C (63°F). This month experiences limited precipitation, totaling just 13 mm (0.5 in) over three days, while humidity hovers around 63%. In contrast, September warms up significantly, featuring a minimum temperature of 0°C (33°F), an average of 15°C (59°F), and a high reaching 28°C (83°F). This month is much wetter, with 103 mm (4.1 in) of precipitation occurring over nine days, and humidity increases to a steamy 85%. For more insights, you can check Hainan weather in September.
March and October present distinct weather patterns that reflect the transition from winter to fall. In March, temperatures can range from a frigid -31°C (-23°F) to a mild 17°C (63°F), with an average of -3°C (26°F), while October boasts a more moderate temperature range from -10°C (15°F) to 27°C (80°F), averaging at 6°C (42°F). Precipitation is slightly lower in March at 13 mm (0.5 in) over three days, compared to October's 22 mm (0.9 in) over four days. Additionally, October experiences higher humidity at 80%, compared to March's 63%, giving October a notably different feel. For more insights on October weather, check out Hainan weather in October.
In comparing the weather of March and November, March typically experiences a broader temperature range, with minimums dipping to -31°C (-23°F) and maximums reaching 17°C (63°F), leading to an average of -3°C (26°F). This month sees relatively low precipitation, averaging around 13 mm (0.5 in) over just three days and maintaining a humidity level of 63%. In contrast, November presents slightly milder conditions with minimum temperatures of -25°C (-14°F) and maximums of 14°C (57°F), yielding an average temperature of -6°C (21°F). It also has higher precipitation, totaling 22 mm (0.9 in) across four days, with humidity remaining quite similar at 61%. For more specific details about the weather patterns in November, you can visit Hainan weather in November.
March and December present contrasting weather patterns, reflecting the transition of seasons. In March, temperatures range from a minimum of -31°C (-23°F) to a maximum of 17°C (63°F), with an average of -3°C (26°F). This month experiences slightly more precipitation at 13 mm (0.5 in) over about 3 days and boasts a humidity level of 63%. In contrast, December is colder, with a minimum temperature of -32°C (-26°F) and a maximum of only 6°C (43°F), leading to a chillier average of -18°C (0°F). Precipitation is less frequent in December, totaling 9 mm (0.3 in) over just 2 days and with slightly lower humidity at 60%. For a glimpse into December weather, you can visit Hainan weather in December.
March in Hainan heralds a notable transition in weather, as the chill of winter gradually gives way to the promise of spring. With average temperatures offering a refreshing shift from the colder months, the days become more inviting, making it an ideal time for outdoor activities. While precipitation is minimal, the subtle humidity adds a gentle touch to the air. Compared to the harsher winter conditions, March is a welcome reprieve that sets the stage for the warmer months ahead. For a deeper understanding of what to expect throughout the year, visit Hainan Climate.