Last updated: August 21, 2025
In June, China and Japan experience a climatic blend characterized by warm temperatures and significant humidity. With maximum temperatures reaching 28°C (83°F) and an average of 26°C (79°F), the warmth is coupled with a minimum of 22°C (71°F), creating a tropical feel. This month is also marked by frequent rainfall, accumulating 403 mm (15.9 in) over 20 days, leading to an average humidity of 86%. Travelers should prepare for a mix of sun and showers, making it an ideal time for exploring the lush landscapes these countries have to offer.
In June, temperatures in China and Japan begin to shift towards the warmer side, marking a transition into summer. With a minimum of 22°C (71°F), the month starts off noticeably warmer than the preceding months, while the average temperature climbs to 26°C (79°F), peaking at 28°C (83°F). This pattern reflects a consistent upward trend in temperature, as the months progress from the relatively mild spring. The increase of 4°C in the minimum temperature from May indicates the onset of heat, making June an ideal time for outdoor activities and summer festivals. As both countries embrace the longer, sunnier days, residents and visitors alike can enjoy the vibrant atmosphere that summer brings, setting the stage for even hotter days in July and August.
In June, both China and Japan experience a dramatic surge in precipitation, with rainfall reaching an impressive 403 mm (15.9 in), marking the highest level for the year. This sharp increase reflects a significant shift from the wetter months of May, which averaged 206 mm (8.1 in), to June, characterized by an extensive 20 days of rainfall. The elevated precipitation during this month not only contributes to lush landscapes but also sets the stage for the rainy season, linking to climatic patterns in the region. In comparison, the following months see a notable decrease, with July's average plummeting to 174 mm (6.8 in) over just 11 days of rain, emphasizing the distinct seasonality of rainfall distribution. Overall, June stands out as a peak period for precipitation, highlighting the dynamic weather patterns that shape environmental conditions in East Asia.
As summer approaches, June marks a notable increase in humidity across both China and Japan, rising to 86%. This peak not only reflects the ongoing warming trend that begins in late spring but also sets the stage for the sultry conditions of July, which maintains the same high level of humidity. Prior months, starting from January's steady 71%, exhibit a gradual upward trajectory, with humidity consistently climbing as the seasons transition. In particular, April and May underscore this ascent, culminating in the distinctly humid atmosphere of June, a precursor to the sultry summer ahead. As we move into the later summer months, the humidity slightly decreases, suggesting that while June is characterized by its peak moist conditions, the overall trend shows a clear rise as the year progresses towards the warmest days.
As summer approaches in China and Japan, the UV Index during June remains at a striking 13, categorized as extreme. This consistent level, which also extends into July and August, signifies a heightened need for protective measures against harmful UV radiation. Notably, burn times are notably short across these months, averaging just 10 minutes, emphasizing the urgency for outdoor enthusiasts to seek shade and apply sunscreen. Following a gradual increase from January's UV Index of 7, which is moderately high, the data reveals a clear upward trend culminating in a peak of 13 from May through September. For more detailed insights on UV exposure, visit China UV Index.
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As June arrives in China and Japan, the sunshine continues to shine brightly, boasting 261 hours of sun—a slight dip from the vibrant month of May, which enjoyed 298 hours. This drop signals a typical seasonal transition, as warmer summer months beckon. Notably, the sunny days ramp up in July and August, hitting peaks of 315 and 318 hours respectively, showcasing a delightful trend of increasing daylight through the summer. As autumn approaches, September still holds onto an impressive 292 hours, but the gradual decline in sunlight counts becomes evident as we move towards the cooler months. Overall, this evolving pattern illustrates the region's seasonal rhythm, with each month presenting its own unique blend of sunshine to be embraced.
In June, the likelihood of sunny weather in both China and Japan takes a noticeable dip, with only an 11% chance of sunshine gracing the skies. This marks a significant decrease from previous months such as March and April, which boasted sunnier prospects at 44% and 39%, respectively. While the months preceding June seem to oscillate between promising and gloomy weather, it’s in the heart of June that the trend shifts drastically. As the summer begins, the weather becomes increasingly unpredictable, hinting at the possibility of approaching storms or cloudier days. Observing these trends indicates a palpable transition, suggesting that those planning outdoor activities during June in these regions might need to brace for overcast conditions.
As summer approaches, June marks a turning point in daylight duration for both China and Japan, where residents bask in approximately 13 hours of sunlight. This is a continuation of the gradual increase in daylight that began in late winter, with January starting with just 10 hours of light, and it progressively climbs to its peak in June before plateauing through July and August. Following this peak, daylight hours begin to gently taper off as autumn arrives, dropping to 12 hours in September and further decreasing in the months that follow. This rhythmic cycle of light not only shapes daily activities but also highlights the shifting seasons, inviting a sense of renewal as nature transitions from one phase to the next. The consistent duration of sunlight in the summer months fosters vibrant outdoor life, making June a particularly cherished time in both countries.
In June, the wind speed in China and Japan reflects a subtle dip, averaging 6.2 m/s (14 mph), marking a continuation of a gradual decline from the previous months. Following the relatively breezy conditions of April and the transitional May, June's winds appear calmer, perhaps hinting at the onset of the humid summer season. The pattern suggests a consistent fluctuation throughout the spring, with the wind speeds gradually dropping as summer approaches. Looking ahead, July promises a revival as the winds are expected to pick up again, reaching an average of 7.6 m/s (17 mph). This cyclical nature of wind speed not only highlights the dynamic weather conditions of the region but also sets the stage for the vibrant landscapes awaiting adventurers.
Weather in China varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in China, focusing on differences in temperature, rainfall, humidity, and UV levels.
June and January present strikingly different weather patterns. In June, temperatures soar with a minimum of 22°C (71°F) and an average of 26°C (79°F), peaking at a maximum of 28°C (83°F). However, this summer month also brings significant rainfall, with 403 mm (15.9 in) of precipitation over 20 days, contributing to a high humidity level of 86%. In contrast, January offers a much cooler climate, with minimum temperatures of 12°C (53°F) and average temperatures around 18°C (64°F), reaching a maximum of 23°C (74°F). Rainfall during this winter month is considerably lower at 105 mm (4.1 in) over 10 days, and humidity levels drop to a more moderate 71%. For a closer look at weather conditions during January, you can refer to China weather in January.
June and February present striking contrasts in weather patterns. June boasts higher temperatures, with an average of 26°C (79°F) and highs reaching 28°C (83°F), compared to February's milder averages of 18°C (64°F) and maximums of 24°C (75°F). Additionally, June is significantly wetter, with 403 mm (15.9 in) of precipitation over 20 days, while February experiences only 113 mm (4.5 in) over 13 days. The humidity in June is notably higher at 86%, compared to February's 71%. For a more detailed look at February weather in China, visit China weather in February.
June and March present distinctly different weather profiles. In June, temperatures rise significantly, with a minimum of 22°C (71°F) and an average of 26°C (79°F), peaking at 28°C (83°F). This month is also marked by high humidity at 86% and considerable rainfall, averaging 403 mm (15.9 in) over 20 days. In contrast, March sees cooler temperatures, starting at a minimum of 14°C (57°F) and averaging 19°C (67°F), with a maximum of 24°C (75°F). Precipitation in March is considerably lower at 138 mm (5.5 in) across 13 days, and humidity is less intense at 76%. For further insights into March weather, you may explore China weather in March.
In comparing the weather between April and June, one can observe notable differences in both temperature and precipitation. April sees milder temperatures, with a minimum of 15°C (59°F) and an average of 21°C (70°F), while June warms up significantly, featuring a minimum of 22°C (71°F) and an average of 26°C (79°F). Additionally, June is marked by much heavier rainfall, accumulating 403 mm (15.9 in) over 20 days, compared to April's 119 mm (4.7 in) over just 12 days. Despite the increased humidity in June at 86%, April maintains a comfortable 82%. For more details on April's climate, visit China weather in April.
In comparing the weather of June to that of May, June tends to be warmer, with average temperatures rising from 23°C (74°F) in May to 26°C (79°F) in June. The maximum temperatures also increase slightly, peaking at 28°C (83°F) in June compared to 27°C (80°F) in May. However, June experiences a significant increase in rainfall, with total precipitation reaching 403 mm (15.9 in) over 20 days, whereas May receives only 206 mm (8.1 in) over 13 days. Humidity also rises slightly from 84% in May to 86% in June, making June feel even more sultry. For more detailed information, you can check China weather in May.
June and July exhibit notable differences in weather patterns. June experiences temperatures ranging from a minimum of 22°C (71°F) to a maximum of 28°C (83°F), characterized by high precipitation of 403 mm (15.9 in) over 20 days, leading to a humid environment with an average humidity of 86%. In contrast, July sees warmer temperatures, with a minimum of 26°C (78°F) and a maximum of 30°C (87°F). The rain decreases significantly to 174 mm (6.8 in) over just 11 days, while humidity remains steady at 86%. This shift denotes a transition from the rainy season in June to a relatively drier and warmer July. For more detailed information on July weather, visit China weather in July.
In June, the weather tends to be more humid and rainy, with temperatures ranging from a minimum of 22°C (71°F) to a maximum of 28°C (83°F) and an average of 26°C (79°F). The month experiences substantial precipitation, totaling 403 mm (15.9 in) over approximately 20 days, contributing to the high humidity level of 86%. In contrast, August is typically warmer and drier, with temperatures ranging from a minimum of 25°C (78°F) to a maximum of 30°C (87°F) and an average of 28°C (83°F). Precipitation decreases significantly to 152 mm (6.0 in) over 14 days, and humidity levels are also lower at 82%. For a deeper understanding of August weather patterns, you can refer to China weather in August.
June and September present notable differences in weather patterns. June typically experiences slightly cooler temperatures, with an average of 26°C (79°F) and a maximum of 28°C (83°F), while September enjoys warmer conditions, with averages around 28°C (82°F) and highs reaching 30°C (86°F). However, June is characterized by significantly higher precipitation, totaling 403 mm (15.9 in) over 20 rainy days, compared to September's 210 mm (8.3 in) during the same number of days. Despite the rainfall, humidity remains relatively high in both months, with June at 86% and September slightly lower at 82%. For more insights into September's weather, visit China weather in September.
In June, the weather features warmer temperatures with a minimum of 22°C (71°F) and an average of 26°C (79°F), peaking at a maximum of 28°C (83°F). However, this month is also characterized by significant precipitation, receiving 403 mm (15.9 in) over 20 days, coupled with high humidity levels at 86%. In contrast, October presents similar average temperatures, ranging from a minimum of 21°C (70°F) to a maximum of 29°C (84°F). The rainfall is considerably lower at 142 mm (5.6 in) over 13 days, resulting in a drop in humidity to 80%. For more detailed information, you can check China weather in October.
In June, the weather is warm and humid, with average temperatures ranging from a minimum of 22°C (71°F) to a maximum of 28°C (83°F). This month experiences substantial rainfall, with 403 mm (15.9 in) over approximately 20 days, contributing to a high humidity level of 86%. In contrast, November brings milder temperatures, where the average ranges from 18°C (65°F) to 27°C (80°F). Precipitation significantly decreases to 112 mm (4.4 in) across about 11 days, and humidity levels also drop to 79%. For more details on November weather in the region, check out China weather in November.
June and December present strikingly different weather patterns. In June, temperatures are comfortably warm, with a minimum of 22°C (71°F) and an average of 26°C (79°F), peaking at 28°C (83°F). However, this month is also characterized by high humidity at 86% and significant rainfall, totaling 403 mm (15.9 in) over approximately 20 days. In contrast, December experiences cooler temperatures, with a minimum of 13°C (56°F) and a more moderate average of 19°C (67°F), reaching a maximum of 25°C (77°F). Precipitation in December is considerably lower, amounting to 135 mm (5.3 in) over about 15 days, and the humidity drops to 75%. For more detailed insights on weather conditions during this month, you can check China weather in December.
As June unfolds in China, it ushers in a noticeable transition in weather compared to preceding months. The temperatures rise appreciably, averaging a comfortable 26°C (79°F), while humidity levels peak at a high 86%, creating a warm and sometimes sultry atmosphere. Rainfall becomes a significant part of the month, with about 20 days experiencing precipitation, contributing to a cumulative total of 403 mm (15.9 in). This blend of warmth and moisture differentiates June from the cooler, drier spells of earlier months, making it a vital period for agriculture and natural vegetation. For a deeper dive into the intricate details of China's climate, explore China Climate.