Last updated: August 21, 2025
June in Hainan, China, is characterized by warm temperatures and high humidity, with maximums reaching 36°C (97°F) and averages around 19°C (67°F). Despite the pleasant warmth, visitors should prepare for rain, as the month sees approximately 126 mm (4.9 in) of precipitation spread over 15 days. The tropical climate, with humidity levels averaging 79%, creates a vibrant atmosphere ideal for exploring Hainan's lush landscapes, while occasional showers offer a refreshing respite from the summer heat.
In June, Hainan, China, experiences a notable shift in temperatures as the region warms up, offering a delightful summer atmosphere. The minimum temperature rises to 6°C (43°F), while the average climbs to a pleasant 19°C (67°F), reflecting the increasing warmth of the season. The peak temperatures reach a scorching 36°C (97°F), inviting both locals and tourists to enjoy outdoor activities and bask in the sun. This month marks a significant transition from the cool, chilly weather of earlier months, setting the stage for a vibrant summer filled with sunlight and warmth, perfect for beach outings and exploration. As the temperatures continue to climb, Hainan showcases its appeal as a prime destination for summer getaways.
June marks a significant turning point in Hainan, China, as the island experiences a dramatic increase in precipitation. With 126 mm (4.9 in) of rain falling over 15 days, June serves as a harbinger of the peak rainy season. This month's rainfall is a remarkable jump from the preceding months, particularly May, which recorded 72 mm (2.8 in) over 11 days. The pattern continues into July and August, where precipitation peaks at 175 mm and 183 mm respectively. This upward trend underscores June's pivotal role in transitioning Hainan into its lush, vibrant summer months, as the heavy rains rejuvenate the landscape and support its renowned biodiversity.
In June, Hainan, China experiences a noticeable surge in humidity, soaring to 79%. This marks a significant increase from the preceding months, where humidity levels hovered in the lower sixties to seventies. As the summer unfolds, the island transitions into a more tropical climate, foreshadowing the even higher humidity levels that follow in July and August—peaking at 84% and 87%, respectively. This upward trend highlights the region's shift towards a more humid and sultry atmosphere, creating a stark contrast to the cooler and drier months earlier in the year. With July and August as the most humid months, June serves as a precursor to the intense tropical conditions that define Hainan's summer.
As summer approaches, June in Hainan, China, sees a significant rise in UV intensity, reaching an impressive UV Index of 8. This categorizes it as having a very high exposure level, with a burn time of just 15 minutes for unprotected skin. This marks a notable trend from the previous months, reflecting an increase from the UV Index of 6 in April and 7 in May. As the heat intensifies, so does the need for effective sun protection, highlighting the importance of being vigilant during outdoor activities. With July maintaining this peak exposure at a UV Index of 9, it's crucial for residents and visitors to stay informed and protected. For more insights, check out Hainan UV Index.
UV Risk Categories
In June, Hainan, China, experiences an abundance of sunshine, with 327 hours of bright daylight that beautifully bridges the spring and summer seasons. This bounty follows a series of increasing sunlit hours, from 182 in January to 330 in May, reflecting a clear upward trend as the region transitions into the warmer months. Although July boasts the highest sunshine total at 341 hours, June still offers a generous sunny experience, perfectly setting the stage for summer adventures. The gradual decline in sunshine hours begins in August, making June an ideal time for sun-seekers to enjoy the vibrant coastal paradise before the days start to shorten.
As summer approaches, Hainan, China experiences a notable decline in sunshine, with June exhibiting a 41% chance of sunny weather. This represents a continued downward trend from the sunnier months earlier in the year, where January enjoys a robust 62% sun probability. As the region transitions into the hotter season, the likelihood of clear skies dips further, peaking in the cooler months of October and December, which see chances of around 60% and 68%, respectively. Consequently, while June might not boast the brightest weather, it sets the stage for a sun-soaked end to the year, making Hainan a destination worth considering for its balmy, post-summer allure.
In Hainan, China, the daylight duration reaches its peak in June and maintains a generous 15 hours, aligning with the robust growth of summer. This trend showcases an upward trajectory beginning in January, when daylight is limited to just 8 hours. As the seasons transition, each month gradually accumulates more sunlight, culminating in the vibrant days of May and June. Following this peak, daylight begins to decline into the autumn months, descending to 12 hours in September and further contracting to 10 hours by October. This rhythmic ebb and flow of daylight not only emphasizes Hainan's tropical climate but also highlights the natural progression of the seasons, offering an ideal backdrop for outdoor activities during the long, sun-drenched June days.
In June, Hainan experiences a gentle shift in its winds, with an average speed of 3.0 m/s (7 mph). This marks a subtle decline from the preceding months, as April boasts the strongest breezes at 4.0 m/s (9 mph). Following the peak in spring, the winds gradually taper off, reflecting a typical summer pattern. As the island transitions into July and August, average wind speeds hover around the 2.7 to 2.9 m/s range, showing a consistent softness that characterizes the warmer months. This trend of diminishing wind speed not only enhances the warm, tropical atmosphere but also creates a serene and inviting environment for beachgoers and outdoor enthusiasts on this idyllic island.
Weather in Hainan varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in Hainan, focusing on differences in temperature, rainfall, humidity, and UV levels.
The weather in June is characterized by a wide range of temperatures, with minimums around 6°C (43°F) and maximums reaching up to 36°C (97°F), resulting in an average temperature of 19°C (67°F). In contrast, January presents a starkly different climate; temperatures can plummet to a minimum of -38°C (-36°F) and rarely exceed -3°C (27°F), averaging around -20°C (-4°F). Additionally, June experiences significant rainfall, with 126 mm (4.9 in) of precipitation across about 15 days, while January sees minimal precipitation of only 5 mm (0.2 in) over a single day. Humidity levels are also notably high in June at 79%, compared to January's 75%. For more detailed insights, you can refer to Hainan weather in January.
June and February present stark contrasts in weather. In June, temperatures soar with a minimum of 6°C (43°F) and can peak at a sweltering 36°C (97°F), while the average sits comfortably at 19°C (67°F). This month also experiences significant rainfall, averaging 126 mm (4.9 in) spread across about 15 days, and maintaining a high humidity level of 79%. Conversely, February offers a much harsher climate, where temperatures plummet to a chilling minimum of -33°C (-27°F) and only reach a maximum of 8°C (47°F), with averages lingering around -15°C (5°F). Precipitation is minimal at just 6 mm (0.2 in) over one day, and humidity is lower at 70%. For more details on February weather in Hainan, check out Hainan weather in February.
When comparing the weather in June and March, the differences are striking. June presents a much warmer climate with temperatures ranging from a minimum of 6°C (43°F) to a scorching maximum of 36°C (97°F) and an average of 19°C (67°F). In contrast, March features a starkly colder landscape, with temperatures dipping as low as -31°C (-23°F) and peaking at only 17°C (63°F), averaging -3°C (26°F). Additionally, June experiences significant precipitation, totaling 126 mm (4.9 in) over 15 days, while March is relatively dry with only 13 mm (0.5 in) across 3 days. Humidity levels are also higher in June at 79%, compared to 63% in March. For more details on the weather specifics in March, you can visit Hainan weather in March.
In comparing the weather of June and April, it is evident that June experiences significantly warmer temperatures, with minimums around 6°C (43°F) and highs reaching as much as 36°C (97°F). In contrast, April's temperatures range from a chilly -9°C (16°F) at night to a more moderate 25°C (78°F) during the day. Precipitation also differs markedly, with June receiving 126 mm (4.9 in) over 15 days, while April sees only 32 mm (1.3 in) across 4 days. Additionally, humidity levels are higher in June at 79%, compared to April's 59%. For more insights into April weather, you can explore Hainan weather in April.
In comparing the weather between June and May, June exhibits a noticeable increase in average temperatures, with a low of 6°C (43°F) and an average of 19°C (67°F), peaking at a high of 36°C (97°F). In contrast, May's temperatures start lower, ranging from a minimum of 0°C (33°F) to an average of 14°C (58°F), with a maximum of 31°C (89°F). Additionally, June features significantly higher precipitation, accumulating 126 mm (4.9 in) over 15 days, compared to May's 72 mm (2.8 in) across 11 days. The humidity is also higher in June at 79%, compared to the more comfortable 61% in May. For more detailed information, you can check Hainan weather in May.
In June, the weather features a wide temperature range, with minimums dipping to 6°C (43°F) and maximums soaring up to 36°C (97°F), leading to an average temperature of 19°C (67°F). This month experiences substantial precipitation of 126 mm (4.9 in) over 15 days, resulting in a humidity level of 79%. In contrast, July brings warmer temperatures with a minimum of 13°C (57°F) and a higher average of 23°C (74°F), while the maximum reaches 34°C (93°F). Precipitation increases to 175 mm (6.9 in) across 17 days, pushing humidity slightly higher to 84%. For more details on July weather, visit Hainan weather in July.
In June, the weather features a broader temperature range, with minimums dipping to 6°C (43°F) and maximums soaring to 36°C (97°F), resulting in an average temperature of 19°C (67°F). The month also experiences considerable precipitation, totaling 126 mm (4.9 in) over 15 days, along with a humidity level of 79%.
In contrast, August presents a milder climate, marked by a slightly higher average temperature of 20°C (69°F) with maximums peaking at 29°C (85°F). Precipitation increases to 183 mm (7.2 in) over 17 days, contributing to a higher humidity of 87%. For a comprehensive look at August weather, you can check out the details here: Hainan weather in August.
In June, the weather exhibits a wider temperature range, with minimums as low as 6°C (43°F) and maximums soaring to 36°C (97°F), resulting in an average temperature of 19°C (67°F). This month also sees significant rainfall, with 126 mm (4.9 in) of precipitation occurring over 15 days and humidity levels around 79%. In contrast, September is cooler, featuring temperatures that range from a chilly 0°C (33°F) at night to a pleasant maximum of 28°C (83°F), with an average temperature of 15°C (59°F). The month includes less rainfall—103 mm (4.1 in) over 9 days—and slightly higher humidity at 85%. For those interested in detailed weather patterns, check Hainan weather in September.
June and October present notably contrasting weather conditions. In June, temperatures range from a minimum of 6°C (43°F) to a scorching maximum of 36°C (97°F), with an average of 19°C (67°F). This month also experiences significant precipitation, with 126 mm (4.9 in) falling over approximately 15 days, resulting in a high humidity level of 79%. Conversely, October brings much cooler temperatures, with a minimum dipping to -10°C (15°F) and an average of just 6°C (42°F). The maximum temperature in October reaches 27°C (80°F), but the month is characterized by far less precipitation at 22 mm (0.9 in) over just 4 days, while humidity hovers around 80%. The stark differences in temperature and rainfall highlight the transition from the hot, humid summer to the chilly autumn. For more detailed insights, you can check Hainan weather in October.
In June, the weather is warm and humid, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 36°C (97°F) and an average of 19°C (67°F). This month experiences significant rainfall, with 126 mm (4.9 in) of precipitation over approximately 15 days, contributing to a high humidity level of 79%. In contrast, November brings much colder conditions, with temperatures varying from a chilling minimum of -25°C (-14°F) to a maximum of 14°C (57°F), and an average temperature of -6°C (21°F). Precipitation is minimal, totalizing just 22 mm (0.9 in) across about 4 days, and the humidity decreases to 61%. For more detailed information about weather conditions in November, you can refer to this link: Hainan weather in November.
June and December present striking contrasts in weather conditions. In June, temperatures can range from a chilly 6°C (43°F) at night to a sweltering maximum of 36°C (97°F) during the day, with an average temperature of 19°C (67°F). The month experiences significant precipitation, totaling 126 mm (4.9 in) over approximately 15 days, along with high humidity at 79%. In stark contrast, December brings frigid temperatures, with highs only reaching 6°C (43°F) and lows plummeting to -32°C (-26°F), resulting in an average of -18°C (0°F). The month sees minimal precipitation of just 9 mm (0.3 in) across about 2 days and lower humidity at 60%. For a closer look at the weather in December, you can check this link: Hainan weather in December.
As June unfolds in Hainan, the island experiences a distinctive blend of warm temperatures and high humidity, creating a vibrant tropical atmosphere. Unlike the cooler months, this time of year sees a notable increase in both maximum temperatures and precipitation, with frequent rain showers. The humidity tends to peak, contributing to a lush environment, perfect for exploring Hainan's natural beauty. With 15 rainy days throughout the month, you're likely to encounter the occasional downpour, but these moments only enhance the island's lush landscapes. For more insights on how Hainan’s weather evolves throughout the year, check out the full details at Hainan Climate.