Last updated: August 21, 2025
June in Haikou, China presents a warm and humid tropical climate, with maximum temperatures soaring up to 37°C (99°F) and average daytime conditions around 25°C (76°F). Despite the heat, visitors should prepare for rain, as the month sees approximately 309 mm (12.1 in) of precipitation over 20 days, resulting in a lush, green landscape. The high humidity levels of 87% further emphasize the tropical experience, making it a month that beautifully blends sunshine and showers. Ideal for those who enjoy vibrant surroundings, June offers a unique weather experience in Haikou.
In June, Haikou, China, experiences a noticeable shift towards warmer temperatures, marking the transition into summer. The minimum temperature rises to 15°C (59°F), while the average temperature climbs to a comfortable 25°C (76°F). This warmth culminates in a maximum temperature reaching 37°C (99°F), creating a vibrant, sunny atmosphere perfect for outdoor adventures. Compared to previous months, where temperatures steadily increased, June stands out as a pivotal point in the year where heat becomes more pronounced, heralding the peak of summer. With this embracing warmth, June serves as an invitation for visitors to enjoy Haikou’s lush landscapes and vibrant culture under bright skies.
In June, Haikou experiences a significant peak in precipitation, with a staggering 309 mm (12.1 in) of rain falling over approximately 20 days. This marks not only the highest monthly total of the year but also a noteworthy jump from the preceding months, particularly from the 207 mm in May. The increase in both rain volume and the number of rainy days underscores the onset of the summer monsoon season, which brings intense and frequent showers. This trend of elevated rainfall continues through July but begins to taper off in the following months, as the city transitions into a drier period. Overall, June stands out as a vibrant, albeit soggy, month in Haikou's annual climatic rhythm.
In June, Haikou experiences a peak in humidity, maintaining a notable 87%. This consistent moisture level follows the gradual increase seen in the previous months, with April and May marking significant climbs to this tipping point. As the summer season approaches, the city transitions into even more humid conditions, evidenced by July's rise to 91%. This trend of escalating humidity not only characterizes the sultry summer months but also highlights Haikou’s tropical climate, where residents can expect to feel the weight of the humidity as they navigate through the warm, vibrant days of June.
In June, the UV Index in Haikou, China reaches a notable 12, keeping it in the extreme exposure category, with a burn time of just 10 minutes. This trend of elevated UV levels continues from the previous month, reflecting a pattern where intensity peaks during the summer. Notably, both May and July also share this extreme rating, indicating a period of heightened sun exposure that necessitates vigilant sun protection. As temperatures rise, it's crucial for residents and visitors alike to remain aware of these UV levels. For detailed insights on UV trends throughout the year, check out Haikou UV Index.
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In June, Haikou experiences a shift in its sunshine hours, offering 209 hours of radiant daylight. This month marks a transition from the peak brightness of May, which boasts 254 hours of sun, and leads into the sun-drenched intensity of July and August, where daylight hours soar to 269 and 294 hours respectively. The trend reveals that late spring and summer months are the sunniest in Haikou, captivating those who bask in its warm glow. As the year progresses, sunshine gradually decreases towards autumn, with September still holding a respectable 241 hours. Overall, June serves as a delightful bridge, allowing residents and visitors to enjoy the vibrant lifestyle fostered by the ample sunlight while gearing up for the sunniest parts of the year.
When considering the likelihood of sunny weather in June in Haikou, China, it's essential to note a significant decrease in sunshine chances as the seasons transition into summer. With only a 12% chance of sunny days, June stands out as one of the least favorable months for sunshine, following a trend of declining sun exposure from May, which has a slightly higher 14% likelihood. This pattern continues into July, where the chance drops even further to 11%, underscoring the typically overcast and humid conditions associated with summer in the region. Thus, if you're planning a sunny getaway in June, be prepared for the possibility of cloud cover becoming a staple of your experience.
In June, Haikou basks in approximately 13 hours of daylight, joining the summer months of July and August in providing the longest light-filled days of the year. This trend of increasing daylight begins in March as spring sets in, gradually extending from 11 hours at the start of the year to a peak of 13 hours by mid-year. Following June, daylight begins to taper off, reminiscent of the gradual decline starting in September through to November. This cyclical pattern not only highlights the vibrant summer months but also sets the stage for a smooth transition into the cooler, shorter days of autumn and winter, making the rhythm of daylight in Haikou a delightful dance of seasonal changes.
In June, Haikou experiences a gentle shift in its breeze, with an average wind speed of 1.4 m/s (3 mph), marking a slight decrease from the previous months. This gradual decline is part of a broader trend observed from May, when winds averaged 1.5 m/s, indicating a slowdown as summer approaches. With July showcasing an uptick in wind speed back to 1.8 m/s (4 mph), it's evident that June serves as a transitional phase, where the calmness of the sea begins to give way to the more invigorating gusts of summer. As the months progress, the rhythmic ebb and flow of Haikou's winds paints a dynamic picture of its climate, inviting both residents and visitors to indulge in the tranquil yet refreshing atmosphere.
Weather in Haikou varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in Haikou, focusing on differences in temperature, rainfall, humidity, and UV levels.
June and January present strikingly different weather conditions. In June, temperatures fluctuate from a minimum of 15°C (59°F) to a maximum of 37°C (99°F), with an average of 25°C (76°F). The month sees considerable precipitation, totaling 309 mm (12.1 in) over about 20 days, accompanied by high humidity levels at 87%. In contrast, January offers a much cooler climate, where temperatures range from a minimum of -5°C (24°F) to a maximum of 26°C (79°F), with an average of just 8°C (46°F). Precipitation is significantly lower in January, recorded at 44 mm (1.7 in) over roughly 7 days, and with a humidity level of 65%. For more detailed insights, you can check Haikou weather in January.
June and February present notably contrasting weather conditions. In June, temperatures range from a minimum of 15°C (59°F) to a scorching maximum of 37°C (99°F), with an average of 25°C (76°F). This month is also characterized by high humidity at 87% and substantial precipitation of 309 mm (12.1 in) over about 20 days, making it a rather wet and muggy time of the year. In stark contrast, February experiences much cooler weather, with temperatures ranging from a chilly -5°C (22°F) at night to a pleasant maximum of 28°C (82°F) during the day, averaging around 9°C (48°F). Furthermore, February is relatively dry with only 65 mm (2.6 in) of precipitation spread across 9 days and a humidity level of 71%. For more details on February's weather, check out Haikou weather in February.
June and March present distinct differences in weather patterns. June typically experiences warmer temperatures, with minimums around 15°C (59°F) and maximums reaching up to 37°C (99°F), averaging 25°C (76°F). In contrast, March is much cooler, with minimums dropping to 0°C (33°F) and maximum temperatures reaching 31°C (88°F), averaging a crisp 13°C (56°F). Precipitation is significantly higher in June, with 309 mm (12.1 in) over approximately 20 days, compared to March's 122 mm (4.8 in) across 15 days. Additionally, June's humidity level peaks at 87%, slightly higher than March's 81%, leading to a more tropical feel in the early summer months. For a more detailed look, check out Haikou weather in March.
In comparing the weather of June and April, it is evident that June is significantly warmer and wetter. June experiences a minimum temperature of 15°C (59°F), with an average high of 25°C (76°F) and peaks reaching up to 37°C (99°F). In contrast, April starts off much cooler, with temperatures ranging from a minimum of 3°C (38°F) to an average of 17°C (63°F) and a maximum of 33°C (92°F). Additionally, rainfall in June is substantial, totaling 309 mm (12.1 in) over approximately 20 days, while April sees much less precipitation, at 97 mm (3.8 in) over 13 days. The humidity is also quite high in both months, lingering around 87% in June and 86% in April, making the weather feel quite humid throughout. For more detailed information, refer to Haikou weather in April.
In comparing the weather between May and June, June tends to be slightly warmer, with average temperatures rising from 22°C (71°F) in May to 25°C (76°F). The maximum temperature in May reaches as high as 39°C (103°F), while in June it peaks at 37°C (99°F). Both months experience high humidity levels at 87%, creating a consistently tropical feel. However, June sees significantly more precipitation, totaling 309 mm (12.1 in) over 20 days, compared to May's 207 mm (8.2 in) over 15 days. For a detailed look at May's weather patterns, check out Haikou weather in May.
June and July showcase notable differences in weather patterns. In June, temperatures range from a minimum of 15°C (59°F) to a maximum of 37°C (99°F), with an average of 25°C (76°F). The month is characterized by significant rainfall, accumulating 309 mm (12.1 in) over 20 days, and high humidity levels at 87%. In contrast, July experiences a mild increase in average temperature, reaching 28°C (82°F), with minimum temperatures starting at 20°C (69°F) and a similar maximum of 37°C (100°F). Rainfall decreases to 199 mm (7.9 in) over 18 days, and humidity rises slightly to 91%. For a detailed overview, check out Haikou weather in July.
In June, temperatures range from a minimum of 15°C (59°F) to a maximum of 37°C (99°F), with an average temperature of around 25°C (76°F). The month sees significant rainfall, totaling 309 mm (12.1 inches) over about 20 days and maintaining high humidity levels at 87%. In contrast, August experiences slightly warmer conditions, with minimum temperatures of 21°C (70°F) and a maximum of 38°C (100°F), averaging 28°C (82°F). Precipitation is reduced to 159 mm (6.3 inches) over 17 days, yet the humidity remains consistent at 87%. For more details on August weather specifically, you can explore Haikou weather in August.
June and September both share similar temperature ranges, with minimums at 15°C (59°F), average highs around 25°C (76°F), and maximums peaking at 37°C (99°F). However, the weather in June is markedly wetter, with an average precipitation of 309 mm (12.1 in) over 20 rainy days, resulting in a high humidity level of 87%. In contrast, September experiences significantly less rainfall, totaling 98 mm (3.9 in) over just 12 days, and a lower humidity level of 72%. For more details on what to expect, check out Haikou weather in September.
June and October offer contrasting weather experiences. In June, temperatures range from a minimum of 15°C (59°F) to a scorching maximum of 37°C (99°F), with an average temperature of 25°C (76°F). The month sees significant rainfall, receiving 309 mm (12.1 inches) over approximately 20 days, resulting in high humidity levels of 87%. In contrast, October provides a much cooler atmosphere with temperatures ranging from a minimum of 8°C (47°F) to a pleasant maximum of 35°C (96°F), averaging 19°C (67°F). Rainfall in October is significantly lower, at 66 mm (2.6 inches) over only 7 days, coupled with a reduced humidity of 74%. For more detailed insights, you can check Haikou weather in October.
June and November present a striking contrast in weather conditions. In June, temperatures soar with an average of 25°C (76°F) and peaks reaching up to 37°C (99°F), while humidity levels remain high at 87%. Additionally, this month experiences considerable rainfall, with about 309 mm (12.1 inches) of precipitation over 20 days.
In contrast, November brings cooler temperatures, with averages dipping to 14°C (58°F) and maximums of 31°C (88°F). Precipitation significantly decreases to 64 mm (2.5 inches), occurring over just 8 days, and humidity levels slightly lower to 80%. For a detailed look at the specific weather patterns in November, check out Haikou weather in November.
June and December offer strikingly contrasting weather conditions. In June, temperatures soar with minimums around 15°C (59°F) and maximums reaching up to 37°C (99°F), creating a hot and humid environment with an average temperature of 25°C (76°F). Additionally, June experiences considerable rainfall, totaling 309 mm (12.1 inches) over approximately 20 days, contributing to its high humidity level of 87%. Conversely, December presents a much cooler climate, with temperatures ranging from a chilly -2°C (28°F) at night to a pleasant 28°C (83°F) during the day, averaging at 9°C (48°F). Precipitation drops significantly to only 38 mm (1.5 inches) over 8 days, and the humidity is a moderate 78%. For a detailed look at December's weather patterns, visit Haikou weather in December.
As June unfolds in Haikou, it brings a distinctive shift in weather compared to other months. With maximum temperatures soaring to a sweltering 37°C, days can feel particularly intense, especially with humidity levels hovering around 87%. Rainfall becomes a hallmark of the month, with 20 days of precipitation contributing to a total of 309 mm, making it one of the wetter times of the year. This combination of heat and moisture creates a lush tropical environment, differing starkly from the drier and cooler months. For a deeper dive into Haikou's weather patterns and climate, visit Haikou Climate.