Last updated: August 21, 2025
In April, Sanya, China, welcomes a pleasant climate ideal for outdoor activities, with average temperatures hovering around 26°C (78°F). Daily highs can reach a maximum of 31°C (87°F), while nights cool down to a minimum of 17°C (63°F). Although the month experiences 11 days of precipitation, totaling 46 mm (1.8 in), the humidity remains relatively high at 75%, adding to the tropical feel of this beautiful seaside destination. Visitors can expect a mix of sunny days and refreshing rain, making it a perfect time to explore Sanya's stunning beaches and vibrant culture.
In April, Sanya, China, begins to embrace the warmth of spring, showcasing a delightful temperature range that reflects the approach of summer. With minimums around 17°C (63°F) and maximums peaking at 31°C (87°F), the island’s climate is both pleasant and inviting. The average temperature of 26°C (78°F) creates the perfect backdrop for outdoor activities and beach lounging. As the month progresses, temperatures steadily rise, signaling a shift from the milder weather of March, making April an ideal time for travelers seeking a vibrant tropical escape. This trend toward warmth continues into May, leading into the full swing of the summer season.
In April, Sanya experiences a noticeable uptick in precipitation, with 46 mm (1.8 in) of rain falling over 11 days, marking a turning point in the season. This increase showcases the transition from the relatively dry months of winter and early spring, where rainfall has been minimal, to a pattern of intensifying moisture leading into the summer. The frequency of rainy days not only amplifies the total rainfall but also hints at the impending wet season, creating lush landscapes that beckon visitors. As we look ahead, May and June promise even heavier rainfall, escalating to 140 mm (5.5 in) and 235 mm (9.2 in), respectively, emphasizing Sanya's shift towards its vibrant, tropical climate.
In April, Sanya, China, experiences a humidity level of 75%, maintaining the steady trend established in the previous month. This level is part of a gradual increase that begins in the early months of the year, rising from 70% in January to 75% in April. As the region transitions toward summer, humidity begins to climb more noticeably, hitting 78% in May and soaring to a peak of 87% in July and August. This consistent uptick in humidity highlights the tropical climate of Sanya, where the allure of warm weather is often accompanied by rising moisture levels, setting the stage for the sultry summer months ahead.
In April, Sanya, China, experiences an extreme UV Index of 14, matching the high levels recorded in March and continuing into May. This consistency highlights a trend of minimal variation in UV exposure during the spring months, prompting residents and visitors to remain vigilant against sunburn, with a notably quick burn time of just 10 minutes. As the region transitions from one extreme to the next, the necessity for sunscreen and protective clothing becomes paramount, reinforcing Sanya's reputation as a sun-soaked destination. For those planning outdoor activities, understanding the UV Index is crucial; more information can be found at Sanya UV Index.
UV Risk Categories
April in Sanya, China, bathes in gentle sunshine, with an impressive 308 hours of sunlight, perfectly complementing the transition from the cool whispers of March to the warmer embrace of May, which boasts 325 hours. This month typically marks a sweet spot in the region’s sunny calendar, as daylight hours begin to rise steadily, suggesting vibrant days filled with outdoor adventures and relaxation. Following the peak of sunshine in May, June offers a mild regression, yet still maintains a healthy 303 hours. Observing these trends, it's evident that April stands as a delightful bridge, offering bountiful sunshine just before the summer's peak, enticing travelers to bask in the beauty of Sanya's warm climate.
In April, Sanya, China, experiences a 54% chance of sunny weather, marking a slight decline from the previous months, with January peaking at 57% and February reaching 66%. This suggests that while April still holds promise for sunshine, it's a transitional period, as the likelihood begins to dip heading into May, which sees a lower 46% chance. Notably, sunshine becomes increasingly scarce as summer approaches, with the chances plummeting to a mere 18% in June. Overall, April offers a balance of sun and cloud, ideal for those seeking pleasant weather before the more humid summer months set in.
In Sanya, China, the daylight duration follows a smooth progression throughout the year. Starting from a steady 11 hours in the earlier months of January and February, the days gradually lengthen as spring approaches. By March, daylight extends to 12 hours, a trend that continues into April and May, fostering the vibrant atmosphere of the region. This trend peaks in June and July, where daylight reaches its maximum of 13 hours, perfect for enjoying the beautiful beaches and lush landscapes. As summer transitions to autumn, days begin to shorten, slipping back to 12 hours in August and September, before returning to 11 hours in the later months of the year. Such rhythmic changes in daylight not only mark the passage of time but also enhance the allure of Sanya across different seasons.
April in Sanya, China, greets visitors with a gentle breeze, featuring an average wind speed of 3.7 m/s (8 mph). This mild wind, while slightly weaker than the preceding months of January through March, still invites outdoor activities and exploration. Notably, the shift in wind patterns is evident as the months progress; for instance, the summer months tend to pick up speed, with July reaching an invigorating 4.3 m/s (10 mph), and October experiencing a notable increase to 5.2 m/s (12 mph). This delightful flow of wind during April balances between the calming spring and the lively summer, making it a perfect time to bask in the beauty of Sanya’s coastal charm.
Weather in Sanya varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Sanya, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather between April and January, it's evident that April is significantly warmer, with average temperatures reaching 26°C (78°F) compared to January's cooler average of 21°C (71°F). The maximum temperatures in April can soar to 31°C (87°F), while January peaks at 27°C (80°F). Additionally, April experiences more precipitation, averaging 46 mm (1.8 in) over 11 days, whereas January sees only 16 mm (0.6 in) over just 2 days. Humidity levels are similar, with April at 75% and January slightly lower at 70%. For those interested in a detailed look at January's climate, you can check Sanya weather in January.
April and February showcase noticeable differences in weather patterns. April typically experiences warmer temperatures, with a minimum of 17°C (63°F) and an average high of 31°C (87°F), compared to February's cooler range, which sees a minimum of 13°C (56°F) and a maximum of 27°C (81°F). Precipitation also increases in April, receiving 46 mm (1.8 in) over 11 days, while February has relatively lighter rainfall of 24 mm (1.0 in) across just 4 days. Furthermore, April's humidity sits slightly higher at 75%, compared to February's 73%, making the air feel a bit more moist as the month progresses. For more detailed insights into February weather, you can check out Sanya weather in February.
April's weather is noticeably warmer than March, with average temperatures rising to 26°C (78°F) compared to March's 24°C (75°F). The maximum temperatures also increased from 29°C (84°F) in March to 31°C (87°F) in April. Additionally, April sees more precipitation with 46 mm (1.8 in) over 11 days, whereas March experiences less rain at 28 mm (1.1 in) across only 5 days. Humidity remains consistent at around 75% in both months. For more detailed information, check out Sanya weather in March.
In April, the weather features a minimum temperature of 17°C (63°F) and an average of 26°C (78°F), peaking at a maximum of 31°C (87°F). The month experiences moderate precipitation, totaling 46 mm (1.8 in) over 11 days and humidity levels around 75%. In contrast, May sees warmer temperatures, with a minimum of 21°C (71°F) and an average of 28°C (82°F), maxing out at 33°C (91°F). However, May is significantly wetter, receiving 140 mm (5.5 in) of rain across 18 days, along with slightly higher humidity at 78%. For a more detailed look at the weather patterns during this month, check out Sanya weather in May.
April and June exhibit notable differences in weather conditions. In April, temperatures range from a minimum of 17°C (63°F) to a maximum of 31°C (87°F), with an average temperature of 26°C (78°F). This month receives moderate precipitation of 46 mm (1.8 in), occurring over 11 days, and has a humidity level of 75%. Conversely, June experiences warmer temperatures, with a minimum of 25°C (78°F), an average of 29°C (84°F), and a maximum of 32°C (90°F). However, it brings significantly increased rainfall, totaling 235 mm (9.2 in) across 23 days, along with a higher humidity level of 80%. For a deeper insight into the June climate, you can read more here: Sanya weather in June.
When comparing the weather in April and July, notable differences emerge, particularly in temperature and precipitation. In April, temperatures range from a minimum of 17°C (63°F) to a maximum of 31°C (87°F), with an average of 26°C (78°F). The month experiences 46 mm (1.8 in) of rainfall over approximately 11 days and a humidity level of 75%. In contrast, July sees much warmer temperatures, with a minimum of 25°C (78°F) and an average of 28°C (83°F), while the maximum reaches 32°C (89°F). However, July is significantly wetter, receiving 338 mm (13.3 in) of rain over 24 days, complemented by higher humidity levels at 87%. For a more detailed look at July weather, you can check Sanya weather in July.
April and August present contrasting weather experiences. In April, temperatures range from a comfortable minimum of 17°C (63°F) to an average of 26°C (78°F) and peak at 31°C (87°F), accompanied by moderate humidity levels at 75%. Precipitation is relatively low, with 46 mm (1.8 in) spread over 11 days. In stark contrast, August features a higher minimum temperature of 25°C (77°F) and an average of 28°C (83°F), while still reaching a maximum of 31°C (89°F). However, it is marked by significantly higher rainfall, totaling 289 mm (11.4 in) over 26 days, and increased humidity at 87%. For a closer look at August's weather specifics, you can visit Sanya weather in August.
In comparing the weather between April and September, there are notable differences in temperature, precipitation, and humidity. April typically enjoys warmer temperatures with averages ranging from a minimum of 17°C (63°F) to a maximum of 31°C (87°F) and is characterized by relatively lower precipitation of 46 mm over 11 days. In contrast, September experiences slightly higher average temperatures from a minimum of 24°C (76°F) to a maximum of 32°C (89°F), but it faces significantly increased rainfall, totaling 218 mm over 24 days, along with heightened humidity at 82%. For those interested in the specifics of September weather, more details can be found Sanya weather in September.
April and October share similar average temperatures, both hovering around 26°C (78°F), but their weather patterns differ significantly. In April, temperatures range from a min of 17°C (63°F) to a max of 31°C (87°F), with relatively low precipitation of 46 mm (1.8 in) over about 11 days. In contrast, October experiences a warmer minimum temperature of 21°C (70°F) and sees much more rain, with 242 mm (9.5 in) falling over 17 days, contributing to higher humidity levels at 80%. For a more in-depth look, you can refer to Sanya weather in October.
April and November present distinct weather experiences. In April, temperatures range from a minimum of 17°C (63°F) to a maximum of 31°C (87°F), with an average of 26°C (78°F). The month sees around 46 mm (1.8 in) of precipitation over 11 days, and humidity levels hover at 75%. In contrast, November experiences slightly warmer nights with a minimum temperature of 18°C (65°F) and a cooler average of 24°C (76°F). Though the maximum temperature reaches 29°C (85°F), November tends to be wetter, with 71 mm (2.8 in) of rain spread over just 6 days, and a humidity level of 76%. For a more detailed look at November weather, you can visit Sanya weather in November.
April and December present distinctly different weather patterns. In April, temperatures range from a minimum of 17°C (63°F) to a maximum of 31°C (87°F), creating a warm and humid atmosphere with an average temperature of 26°C (78°F). Additionally, April experiences more rainfall, with 46 mm (1.8 in) over 11 days, contributing to the higher humidity levels of 75%. In contrast, December features cooler temperatures, with a minimum of 13°C (55°F) and a maximum of 28°C (82°F), resulting in an average of 22°C (72°F). The month is drier, receiving only 17 mm (0.7 in) of precipitation over just 3 days while maintaining the same humidity level of 75%. For more details about December weather, you can check Sanya weather in December.
April in Sanya ushers in a delightful transition, characterized by warmer temperatures and a noticeable increase in humidity compared to the cooler months. While the city experiences occasional rainfall, with about 11 days of precipitation, the overall atmosphere is vibrant and inviting. This month presents a perfect balance for travelers, offering both warmth and the lush greenery that follows the rains. If you're planning a visit, you'll find that April's weather is a charming prelude to the summer heat that approaches. For a detailed overview of Sanya's weather patterns, check out Sanya Climate.