Last updated: August 21, 2025
In April, Haikou, China experiences a delightful transition into spring, with temperatures ranging from a mild 10°C (50°F) at night to a pleasant maximum of 29°C (84°F) during the day. The average temperature sits comfortably at 19°C (66°F), making it an inviting time to explore the city. However, residents and visitors should be prepared for the occasional rain, as April brings about 88 mm (3.5 in) of precipitation spread over 11 days, resulting in an 81% humidity that enriches the lush landscape. Embrace the vibrant atmosphere of Haikou as it flourishes in this warm and slightly damp month!
In April, Haikou, China, experiences a delightful transition as temperatures warm up, with minimums rising to 10°C (50°F) and averages reaching 19°C (66°F). The city's charm is amplified by maximum temperatures soaring to 29°C (84°F), making it an ideal time for outdoor exploration and enjoying the burgeoning spring. This month marks a noticeable trend from the cooler days of earlier months, showcasing an upward shift that inches closer to the sweltering heat of summer. The pleasant climate invites both locals and visitors to bask in the sun and embrace the vibrant atmosphere of the season.
In Haikou, April marks a notable transition in precipitation patterns, with 88 mm (3.5 in) of rainfall recorded over an average of 11 days. This reflects a decline from the significant 123 mm (4.8 in) seen in March, suggesting the region is easing into the drier early summer months. Although April may experience less rainfall than its predecessor, it sets the stage for an anticipated surge in precipitation in May, where totals leap to 155 mm (6.1 in) and the number of rainy days increases. The pattern highlights a distinct seasonal rhythm, where spring showers gradually pave the way for the heavier downpours typical of late spring and summer in this coastal city.
In April, Haikou experiences a notable increase in humidity, reaching 81%, a slight uptick from the 80% recorded in March. This rise marks the start of the warmer months, as humidity continues to climb, peaking at 85% in May. The overall trend through the year reveals a pattern where humidity is generally higher during the spring and summer, with the wettest months typically extending from March through July. As we transition into the latter part of the year, humidity begins to taper off, dropping to 70% by September. Thus, April signifies a pivotal moment in Haikou's climate, setting the stage for a humid and warm summer ahead.
In April, Haikou, China, experiences a significant spike in UV exposure, heralding the onset of the summer months. With a UV Index of 12, categorized as extreme, residents and visitors alike should be particularly cautious, as the burn time is a mere 10 minutes. This trend continues from March, which also reported an extreme UV Index of 11, but a noticeable increase occurs in April, signaling the necessity for heightened sun protection. As the months progress towards the peak of summer, the UV Index remains high, hitting 13 in both June and July. Therefore, safeguarding your skin becomes crucial during this period. For more detailed information on UV levels throughout the year, check out Haikou UV Index.
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April in Haikou, China, shines with 274 hours of glorious sunshine, continuing a trend of increasing daylight that begins in late winter. This month marks a minor surge from March's 272 hours, hinting at the approach of summer's peak radiance. As the year progresses, sunshine hours only escalate, culminating in May's 297 hours and reaching their zenith in July with an impressive 331 hours. This vibrant trajectory not only enhances the natural beauty of Haikou but also enriches the outdoor experiences for residents and visitors alike. The gradual build-up of sunshine hours from January's modest 188 to April's welcoming glow perfectly sets the stage for the sun-soaked months ahead.
April in Haikou, China, marks a notable dip in the likelihood of sunny weather, with only 30% chance of sun gracing the skies. This slump follows the relatively brighter months of January (53%) and February (46%), while further along the calendar, May (15%) and June (5%) face even more drastic reductions in sunshine. Interestingly, this pattern reveals a gradual shift towards less sunny days as spring transitions into summer. Notably, the chance of sun rebounds in September (52%) and remains more favorable into autumn, framing April as a transitional period where the allure of sunshine begins to wane.
In April, Haikou experiences a delightful balance of 12 hours of daylight, maintaining the same duration as March. This consistent exposure to sunlight marks the beginning of a gradual increase leading into May, where daylight stretches to 13 hours. The trend is evident as the city transitions from the shorter winter days to the longer summer months, fostering a vibrant atmosphere perfect for outdoor activities. As the year progresses, Haikou benefits from extended daylight, peaking during the summer, before gently tapering off in the fall. This rhythmic cycle not only enhances the city's natural beauty but also invites residents and visitors alike to embrace the lush landscapes that come alive under the sun.
April in Haikou, China, brings a refreshing shift as the average wind speed rises to 4.8 m/s (11 mph), a pleasant increase compared to the preceding months of winter and early spring. This gentle breeze is a welcome change from March's lighter winds, which dipped to 4.1 m/s (9 mph). As the city transitions towards the warmer months, April's winds serve as a prelude to the gustier patterns expected in October, which boasts the highest average at 6.5 m/s (14 mph). The patterns suggest that while summer brings warmth, April's winds offer a taste of what's to come, balancing comfort and vitality. Overall, it’s a month that encourages outdoor adventures amidst nature’s refreshing embrace.
Weather in Haikou varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Haikou, focusing on differences in temperature, rainfall, humidity, and UV levels.
April and January present quite different weather patterns. In April, temperatures range from a minimum of 10°C (50°F) to a maximum of 29°C (84°F), with an average temperature of 19°C (66°F). This month sees higher humidity at 81% and more precipitation, totaling 88 mm (3.5 inches) over 11 days. In contrast, January experiences cooler temperatures, with a minimum of 3°C (38°F), an average of 12°C (55°F), and a maximum of 24°C (76°F). Additionally, January has less precipitation, accumulating only 45 mm (1.8 inches) over 6 days, along with a lower humidity level of 73%. For more details on January weather, visit Haikou weather in January.
April generally offers warmer temperatures compared to February, with average highs reaching 29°C (84°F) in April versus 24°C (76°F) in February. The minimum temperatures are also more pleasant in April, starting at 10°C (50°F) compared to February's 4°C (40°F). However, April experiences more rainfall, averaging 88 mm (3.5 in) over 11 days, while February sees 70 mm (2.8 in) across 9 days. Additionally, humidity is slightly higher in April at 81%, reflecting the onset of more tropical conditions. For a closer look at February's weather specifics, check out Haikou weather in February.
In comparing the weather of April to that of March, we see a notable increase in temperatures. April boasts a minimum of 10°C (50°F) and an average of 19°C (66°F), while March’s temperatures range from a minimum of 7°C (46°F) to an average of 15°C (60°F). The maximum temperature in April reaches 29°C (84°F), compared to March’s peak of 26°C (80°F). Additionally, April experiences slightly less precipitation—88 mm (3.5 in) over 11 days—compared to March's 123 mm (4.8 in) over 14 days. Humidity remains relatively stable, with April at 81% and March at 80%. For more details, you can check Haikou weather in March.
April and May present noticeable changes in weather patterns. In April, temperatures range from a minimum of 10°C (50°F) to a maximum of 29°C (84°F), with an average of 19°C (66°F). This month has a total precipitation of 88 mm (3.5 in) spread over 11 days, accompanied by a humidity level of 81%. In contrast, May sees warmer temperatures, with a minimum of 14°C (57°F) and a maximum of 32°C (90°F), leading to a higher average of 23°C (74°F). The rainfall also increases significantly to 155 mm (6.1 in) over 15 days, and humidity rises slightly to 85%. Overall, May is warmer and wetter than April, making it a more humid month. For more details, check out Haikou weather in May.
When comparing the weather in April and June, April tends to be cooler, with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 29°C (84°F) and an average of 19°C (66°F). It also experiences moderate rainfall, with 88 mm (3.5 in) of precipitation over 11 days, while humidity remains relatively high at 81%. In contrast, June sees a significant rise in temperatures, with lows around 20°C (69°F) and highs reaching 33°C (92°F), averaging 27°C (80°F). However, June is much wetter, accumulating 269 mm (10.6 in) of precipitation over 18 days, maintaining the same humidity level of 81%. For more details about the weather in June, you can check this link: Haikou weather in June.
April and July present quite different weather patterns. In April, temperatures range from a mild 10°C (50°F) at night to a pleasant average of 19°C (66°F) during the day, peaking at 29°C (84°F). The month sees about 88 mm (3.5 in) of rainfall across 11 days, with relative humidity sitting at 81%. In contrast, July experiences much warmer temperatures, with nighttime lows of 25°C (78°F), an average of 29°C (84°F), and maximums reaching a hot 35°C (95°F). Although July has slightly less precipitation at 83 mm (3.3 in) spread over 13 days, the humidity increases slightly to 84%. For a closer look at the specifics of July weather, you can check out Haikou weather in July.
April and August present contrasting weather patterns, showcasing the transition from spring to summer. In April, temperatures range from a mild 10°C (50°F) at night to a comfortable 29°C (84°F) during the day, with an average of 19°C (66°F). The month experiences around 88 mm (3.5 in) of rainfall over 11 days, coupled with fairly high humidity at 81%. In stark contrast, August is significantly warmer, with nighttime lows of 25°C (76°F) and daytime highs reaching up to 35°C (95°F), maintaining an average temperature of 29°C (84°F). However, it is also wetter, with precipitation totaling 260 mm (10.2 in) across 20 days and a similar humidity level of 82%. For more specific information about weather conditions, please visit Haikou weather in August.
April and September exhibit distinct weather patterns, highlighting the transition from spring to early autumn. In April, temperatures range from a minimum of 10°C (50°F) to a maximum of 29°C (84°F), with an average around 19°C (66°F). This month experiences about 88 mm (3.5 in) of precipitation over roughly 11 days, coupled with higher humidity levels of 81%. In contrast, September sees warmer temperatures, with minimums of 20°C (68°F) and maximums reaching up to 35°C (96°F), averaging 27°C (81°F). While slightly wetter, with 105 mm (4.1 in) of precipitation on approximately 15 days, September enjoys lower humidity at 70%. For more detailed information, you can check Haikou weather in September.
April and October present distinct contrasts in weather conditions. In April, temperatures range from a mild 10°C (50°F) at night to a warm 29°C (84°F) during the day, with an average of 19°C (66°F). The month experiences a significant amount of rainfall, totaling 88 mm (3.5 in) over 11 days, alongside a higher humidity level of 81%. In contrast, October sees a warmer minimum temperature of 16°C (60°F) and can reach a maximum of 33°C (92°F), averaging 23°C (74°F). With only 71 mm (2.8 in) of precipitation spread over 12 days and a reduced humidity of 73%, October generally offers a drier and more comfortable climate. For more detailed insights into October weather in Haikou, you can check Haikou weather in October.
April and November show some similarities in temperature, with both months averaging around 19°C (66°F), but April tends to experience a broader range of temperatures, reaching up to 29°C (84°F). In contrast, November's maximum temperature is slightly lower at 28°C (83°F). Precipitation in April is higher, with 88 mm (3.5 in) over 11 days, compared to November's 65 mm (2.6 in) over 10 days, leading to a wetter atmosphere in April with a humidity level of 81% versus 77% in November. For more detailed information, you can check Haikou weather in November.
April and December present distinct weather patterns, with April generally being warmer and wetter than December. In April, temperatures range from a minimum of 10°C (50°F) to a maximum of 29°C (84°F), averaging around 19°C (66°F), accompanied by 88 mm (3.5 in) of precipitation over 11 days and high humidity at 81%. In contrast, December features cooler temperatures, with a minimum of 7°C (45°F) and a maximum of 25°C (77°F), leading to an average of 14°C (58°F). Precipitation decreases significantly to 49 mm (1.9 in) across 9 days, with humidity slightly lower at 79%. For a more detailed look at December weather, you can visit Haikou weather in December.
As April arrives in Haikou, the city's weather ushers in a notable transformation that sets it apart from the preceding months. With warmer days and a comforting average temperature, residents and visitors alike can enjoy the pleasant outdoor conditions, although they should be prepared for occasional rain, as April sees a fair amount of precipitation. The increased humidity gives the atmosphere a tropical feel, making it clear that the transition into the lush summer months is on the horizon. For more detailed insights about the city's climate, visit Haikou Climate.