Last updated: August 21, 2025
In June, Haikou, China experiences warm temperatures with a maximum of 31°C (87°F) and an average of 21°C (71°F), providing a comfortable setting for outdoor activities. However, the minimum temperature can drop to 13°C (56°F). This month is characterized by significant rainfall, with a total precipitation of 201 mm (7.9 in) over approximately 20 days, contributing to a high humidity level of 82%. Visitors should prepare for both the heat and frequent showers that define Haikou's vibrant June weather.
In June, Haikou experiences a noticeable warmth as it transitions fully into summer. The minimum temperature settles at a mild 13°C (56°F), while the average hovers around 21°C (71°F), giving residents a comfortable climate ideal for outdoor activities. With a maximum temperature reaching up to 31°C (87°F), June marks a peak in warmth that is consistent with the rising temperatures observed since the start of spring. This month stands out as a point of transition, as temperatures continue to climb compared to earlier months, notably surpassing the averages seen in January through May. This trend heralds the arrival of the hotter summer months, inviting locals and visitors alike to revel in the vibrant atmosphere of Haikou.
In June, Haikou, China experiences a significant surge in rainfall, accumulating an impressive 201 mm (7.9 in) over approximately 20 days of precipitation. This marks a stark contrast to the earlier months of the year, reflecting the onset of the rainy season. With rainfall intensifying from May's 65 mm (2.6 in), the city brims with moisture, setting the tone for the peak rainy months that follow. Notably, July and August see even more substantial downpours, yet June establishes itself as a pivotal month, transitioning Haikou into a lush, vibrant landscape. This shift not only invigorates the local flora but also highlights the increasing frequency and intensity of rain, a trend frequently observed in the tropical climate of the region.
In June, Haikou experiences a significant rise in humidity, reaching an average of 82%. This marks a notable increase from the previous months, particularly after the relatively drier conditions in March and April, which had humidity levels around 44%. As summer approaches, the humidity continues to climb, setting the stage for the peak levels observed in July and August, where humidity soars to 89% and 90% respectively. This trend highlights Haikou's transition into its humid summer season, providing a vivid contrast to the cooler, more temperate months earlier in the year. Ultimately, June serves as a pivotal month, ushering in the steamy atmospheric conditions that define the region's tropical climate.
In June, Haikou experiences an extreme UV Index of 14, indicating the need for heightened sun protection. This trend marks a continuation from May's peak of 15, where the rapid increase in UV radiation since January—when it started at a very high index of 8—demonstrates the intensity of summer sunlight in the region. With a consistent burn time of just 10 minutes during this period, it's essential for residents and visitors alike to take precautions against harmful UV exposure. The June conditions mirror those of the following months, with July anticipated to escalate further with an index of 16, reinforcing the importance of awareness in sun safety. To learn more about daily UV levels and prepare for your time outdoors, check out Haikou UV Index.
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In June, Haikou basks in a generous 296 hours of sunshine, continuing the trend of vibrant weather that peaks in the spring months. Following the sunny heights of May with 333 hours, June shows a slight decline but remains well above the yearly average. This month bridges the gap between the blossoming spring and the hot summer, paving the way for July and August, which bring slightly fewer hours of sunshine at 275 and 300 respectively. The warm embrace of sunlight during this time not only enhances outdoor activities but also sets the stage for a lively summer atmosphere in this beautiful coastal city.
June in Haikou, China, marks a significant downturn in the likelihood of sunny weather, with only a 17% chance of sun. This sharp decline follows a peak in March at 76%, showcasing a clear trend of dwindling sunshine as summer approaches. While spring months like January and February enjoy sunny spells of 60% and 67%, respectively, by the time June rolls in, residents can expect overcast skies more often than not. This pattern continues into the summer months, where the chances of sunshine further diminish, hitting as low as 12% in July. Overall, those looking for sunny days in June should be prepared for the likelihood of clouds, marking a shift from earlier, brighter months.
In Haikou, China, June marks the peak of daylight duration, with approximately 13 hours of sunlight, mirroring the conditions in both May and July. This month serves as a transition from the steadily increasing light of early spring, where January starts with 10 hours, gradually climbing to 13 hours by late spring. As summer approaches, the daylight duration stabilizes, keeping this abundant light throughout June and July before tapering off slightly in August. The gradual decrease in daylight hours begins to set in as the seasons change, bringing us back to 12 hours by September and descending towards 10 hours by winter. This pattern showcases a clear trend of increasing daylight in the first half of the year, contributing to Haikou's vibrant summer atmosphere.
In June, Haikou experiences a notable dip in wind speed, averaging just 2.5 m/s (6 mph), which marks the lowest level for the year. This tranquil month contrasts sharply with the breezier spring months, such as March, which recorded winds of 4.2 m/s (9 mph). As summer settles in, Haikou’s winds continue to soften into July and August, further declining to an average of 2.2 m/s (5 mph) and 2.0 m/s (5 mph) respectively. This trend suggests a calmer atmosphere, perfect for enjoying the city's beaches and outdoor activities without the distraction of strong winds. The mild breezes return in the autumn months, yet the June lull in wind marks a serene midpoint in Haikou's climatic rhythm, inviting visitors to bask in the warmth of summer.
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 stark contrasts in weather. June features mild to warm temperatures ranging from a minimum of 13°C (56°F) to a maximum of 31°C (87°F), with an average of 21°C (71°F). This month also sees substantial rainfall, totaling 201 mm (7.9 in) over 20 days, contributing to a high humidity level of 82%. In contrast, January experiences much cooler temperatures, with a minimum of -2°C (29°F) and a maximum of 21°C (70°F), averaging just 10°C (50°F). Precipitation is significantly lower, amounting to only 39 mm (1.5 in) across a mere 4 days, and humidity drops to 58%. For more details about January weather, visit Haikou weather in January.
When comparing the weather in June and February, there is a stark contrast in both temperature and precipitation. June boasts a much warmer climate, with average temperatures reaching 21°C (71°F) and highs of 31°C (87°F), while February experiences cooler temperatures, averaging around 11°C (53°F) with maximums of only 24°C (75°F). Additionally, June is significantly wetter, receiving 201 mm (7.9 in) of precipitation over approximately 20 days, compared to February's modest 20 mm (0.8 in) across just 3 days. The humidity levels further highlight this difference, with June averaging a high 82% compared to February's lower 65%. For a more detailed look at February weather in Haikou, you can visit Haikou weather in February.
June and March exhibit markedly different weather patterns. In June, temperatures range from a minimum of 13°C (56°F) to a maximum of 31°C (87°F), with an average of 21°C (71°F). The month is characterized by high humidity at 82% and significant precipitation, accumulating 201 mm (7.9 inches) over about 20 days. In contrast, March showcases milder temperatures, with a minimum of 6°C (42°F) and a maximum of 29°C (84°F), averaging 16°C (61°F). The humidity is much lower at 44%, and rainfall is minimal, with only 25 mm (1.0 inch) over just 5 days. For more insights on weather conditions, visit Haikou weather in March.
When comparing the weather in June and April, it's clear that June tends to be significantly warmer and more humid. In June, the average temperature is a comfortable 21°C (71°F), with a minimum of 13°C (56°F) and a peak reaching 31°C (87°F). However, it also experiences a high level of rainfall, totaling 201 mm (7.9 in) over 20 days, resulting in a humidity level of 82%. In contrast, April presents a cooler climate, with temperatures ranging from a minimum of 4°C (40°F) to an average of 18°C (64°F) and a maximum of 31°C (88°F). Rainfall in April is much lighter, at 64 mm (2.5 in) spread over just 8 days, accompanied by a lower humidity of 44%. For further details on April weather, you can check Haikou weather in April.
In comparing the weather of June and May, one can observe notable differences in temperature and humidity levels. June typically experiences a higher minimum temperature of 13°C (56°F) and an average of 21°C (71°F), whereas May begins with a cooler minimum of 7°C (46°F) but boasts a slightly higher maximum temperature of 32°C (91°F). Precipitation is significantly more frequent in June, with 201 mm (7.9 in) over 20 days, compared to May's 65 mm (2.6 in) over just 8 days. Additionally, June's humidity is notably high at 82%, compared to May's 62%, making June feel much more humid and tropical. For those interested in the specific climate characteristics of May, more detailed information can be found here: Haikou weather in May.
June and July exhibit notable differences in weather patterns. In June, temperatures range from a minimum of 13°C (56°F) to a maximum of 31°C (87°F), with an average of 21°C (71°F). This month sees a substantial amount of rain, totaling 201 mm (7.9 in) over 20 rainy days, with humidity at a relatively high 82%. In contrast, July experiences slightly warmer nights with a minimum temperature of 14°C (58°F) and a reduced maximum of 29°C (84°F), maintaining the same average of 21°C (69°F). However, precipitation increases to 271 mm (10.7 in), occurring on 26 days, and humidity rises to 89%. For more insights on July's weather, check out Haikou weather in July.
When comparing the weather in June and August, both months exhibit warm temperatures, but August tends to be slightly more humid and rainy. June features a minimum temperature of 13°C (56°F) and an average of 21°C (71°F), with maximums reaching 31°C (87°F). It experiences a total precipitation of 201 mm (7.9 in) over approximately 20 days and has a humidity level of 82%.
In contrast, August sees a higher minimum temperature of 16°C (60°F) and an average of 21°C (70°F), but maximum temperatures are slightly lower at 29°C (85°F). It also records more precipitation at 268 mm (10.5 in) across 26 days, accompanied by higher humidity at 90%. This makes August feel more oppressive compared to June. For more details on specific weather patterns for August, you can visit Haikou weather in August.
In June, temperatures typically range from a minimum of 13°C (56°F) to a maximum of 31°C (87°F), with an average of 21°C (71°F). The month is marked by significant rainfall, averaging 201 mm (7.9 in) over about 20 days, and a humidity level of 82%. In contrast, September sees slightly cooler temperatures, with a minimum of 11°C (52°F), an average of 19°C (67°F), and a maximum of 28°C (82°F). Rainfall in September is lower at 161 mm (6.3 in), also spread across 22 days, while humidity increases slightly to 87%. For more detailed information on September weather, you can visit Haikou weather in September.
June and October present distinct contrasts in weather. In June, temperatures range from a minimum of 13°C (56°F) to a maximum of 31°C (87°F), with an average of 21°C (71°F). This month is characterized by high humidity at 82% and significant precipitation, with 201 mm (7.9 in) of rainfall spread over 20 days. In contrast, October sees cooler temperatures, with a minimum of 8°C (47°F), an average of 17°C (62°F), and a maximum of 26°C (78°F). The month is drier, featuring only 89 mm (3.5 in) of rain over 17 days and maintaining a similar humidity level of 81%. For more detailed insights, you can check out Haikou weather in October.
June and November present contrasting weather patterns, reflecting the transition from summer to late autumn. In June, temperatures range from a minimum of 13°C (56°F) to a maximum of 31°C (87°F), with an average of 21°C (71°F). This month is characterized by heavy precipitation, receiving 201 mm (7.9 in) over approximately 20 days, contributing to a humid environment with a consistent humidity level of 82%. In stark contrast, November experiences cooler temperatures with a minimum of 5°C (40°F) and a maximum of 24°C (75°F), averaging 13°C (56°F). Additionally, November sees significantly less rainfall, accumulating only 32 mm (1.3 in) over about 6 days, while maintaining the same humidity level of 82%. For more details on what to expect, you can visit Haikou weather in November.
June and December showcase stark contrasts in weather. June experiences a warm climate with temperatures ranging from a minimum of 13°C (56°F) to a maximum of 31°C (87°F), coupled with high humidity at 82% and significant rainfall of 201 mm (7.9 in) over 20 days. In contrast, December brings much cooler conditions, with temperatures dipping as low as -1°C (30°F) and peaking at 21°C (69°F), along with minimal precipitation of only 23 mm (0.9 in) across just 4 days and a relative humidity of 73%. For more detailed insights, you can check the Haikou weather in December.
In June, Haikou truly embraces the warmth of summer, boasting a noticeable increase in temperatures and humidity compared to the preceding months. The average temperature climbs, and while the maximum can reach a steamy 31°C, the nights remain pleasantly mild. However, June also brings substantial rainfall, with around 20 days of precipitation contributing to an overall humidity level of 82%. This combination of heat and moisture creates a tropical ambiance distinct from the cooler, drier months before it. For a deeper look into what to expect throughout the year, be sure to check out Haikou Climate.