Last updated: August 21, 2025
June in Si'an, China, is characterized by warm temperatures and significant humidity. With maximum temperatures peaking at a sweltering 37°C (99°F), the average temperature hovers around a comfortable 25°C (77°F), while nights can cool down to a pleasant 14°C (58°F). This month experiences substantial rainfall, accumulating to 257 mm (10.1 in) over approximately 15 days, creating a lush environment. The high humidity levels of 85% contribute to a muggy atmosphere, making it essential for visitors to stay hydrated and enjoy the vibrant greenery that emerges from the rain.
In June, Si'an, China begins to experience the warmth of summer, with temperatures reflecting a significant change from the cooler months. The minimum temperature reaches 14°C (58°F), providing a pleasant start to the month, while the average climbs to a comfortable 25°C (77°F). As the days progress, the heat peaks at a scorching 37°C (99°F), matching the heights of the preceding month, May. This trend signals not only a transition into peak summer but also highlights the swift rise in warmth characteristic of Si'an's climate, as it prepares for the even hotter July. The gentle warmth of June invites outdoor activities and showcases the vibrant life of the region, setting the stage for the bustling summer ahead.
June is a pivotal month for precipitation in Si'an, China, marking a significant peak in both rainfall and rainy days. With an impressive total of 257 mm (10.1 in) falling over 15 days, June stands out as the wettest month of the year, a stark contrast to the drier early months. This surge in rainfall continues the trend set in May, which also experienced higher precipitation levels at 135 mm (5.3 in), but June's totals dramatically escalate, nearly doubling the amount. Following June, July remains notably wet, averaging 299 mm (11.8 in) over 17 days, signaling the height of the rainy season. As the region transitions from late spring to summer, the increased moisture lays the foundation for lush greenery, while the consistent rainy days prepare the landscape for the vibrant energy of the months ahead.
In June, Si'an experiences a relative humidity of 85%, maintaining a level consistent with the preceding month of May. This slight stability signals the onset of summer, as the humidity begins to rise in the following months. The trend shows a gradual increase from a lower 70% in January, escalating to a peak of 90% in July. This consistent rise, particularly prominent in the late spring and summer months, creates a muggy atmosphere that characterizes the region's warm season. As the year progresses, relative humidity fluctuates, but the summer months undoubtedly reveal a pronounced peak, inviting a blend of warmth and moisture that defines Si'an's climate.
As summer unfolds in Si'an, China, the UV Index peaks at an extreme level of 11 in both June and May, underscoring the need for heightened sun protection. With a short burn time of only 10 minutes, outdoor enthusiasts should exercise caution during these months. The trend from March to May indicates a rapid escalation in UV intensity, moving from a very high index of 9 in March to an extreme level by May, signaling the arrival of the hottest months. As the heat persists into July and August, the UV levels remain consistent at 11, reinforcing the importance of sun safety throughout the summer. For those planning outdoor activities, staying informed about the UV Index is crucial—check out the latest updates here: Si'an UV Index.
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June in Si'an, China, embraces a delightful balance of sunshine and warmth as it enjoys 263 hours of bright daylight. This month continues the upward trend established in earlier spring months, with an impressive increase from May’s 278 hours, revealing the city's steady transition into summer. While June experiences slightly less sunshine than July and August, it still offers ample opportunities for outdoor activities and exploration. As the year progresses, the brightening days reflect a pattern of increasing sunlight, peaking in August with 300 hours, before gradually tapering off in autumn. This seasonal rhythm not only enhances the region's natural beauty but also invigorates the spirit of its inhabitants, making each sun-drenched moment in Si'an worthwhile.
In Si'an, China, June marks a noticeable dip in sunny days, boasting only a 23% chance of sunshine. This is part of a broader trend as the region transitions into the summer months, where sunlight becomes increasingly elusive, peaking in May at 26% before a gradual decline. The chance of bright skies further diminishes into July, when it's only 17%. As the year progresses, the likelihood of sunny weather begins to rebound, with notable increases in September (48%) and November (52%), leading to a more favorable outlook by year's end. Thus, if you're hoping to soak up the sun in June, you might want to manage your expectations and plan for more cloudy days.
As the year unfolds in Si'an, China, the length of daylight reveals a captivating seasonal rhythm. Starting the year with 10 hours in January, daylight steadily inches upward, reaching 14 hours by June—a peak that marks the height of summer's embrace. Following this luminous climax, the days gradually shorten, tapering back to 13 hours in July and August, before descending once again to 12 hours in September. This gentle decline continues through the months, ultimately returning to 10 hours in December. This trend underscores the vibrant interplay of light and darkness, inviting residents and visitors alike to savor the long, sunlit days of summer while anticipating the cozy embrace of winter’s return.
As June rolls into Si'an, the average wind speed dips to 2.2 m/s (5 mph), marking a continuation of the downward trend seen since May. This gentle breeze contrasts with the invigorating gusts of 2.9 m/s (7 mph) experienced in July, suggesting a gradual buildup of energy as summer approaches. Notably, June's winds are among the calmest of the year, providing a serene backdrop to the city's vibrant atmosphere. As temperatures rise, the anticipation of livelier winds in the coming months creates an exciting transition, inviting both locals and visitors to embrace the refreshing warmth of the season.
Weather in Si'an varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in Si'an, focusing on differences in temperature, rainfall, humidity, and UV levels.
June and January present stark contrasts in weather. June boasts warm temperatures ranging from a minimum of 14°C (58°F) to a sweltering maximum of 37°C (99°F), with an average of 25°C (77°F). The month is characterized by high humidity at 85% and significant precipitation, totaling 257 mm (10.1 in) over about 15 days. In contrast, January experiences much colder conditions, with temperatures dipping to a minimum of -11°C (13°F) and reaching a maximum of 20°C (68°F), averaging around 5°C (41°F). This winter month has a much lower rainfall of 68 mm (2.7 in) over just 8 days and humidity levels at 70%. For more detailed insights into January weather, you can visit Si'an weather in January.
June and February present stark contrasts in weather, highlighting the seasonal differences experienced in many regions. In June, temperatures range from a minimum of 14°C (58°F) to a scorching maximum of 37°C (99°F), averaging around 25°C (77°F). However, this warmth is accompanied by high humidity at 85% and significant rainfall, with about 257 mm (10.1 in) falling over 15 days. In contrast, February offers a chilly experience, with temperatures dipping as low as -8°C (18°F) and peaking at 26°C (79°F), averaging only 6°C (44°F). Precipitation is much lower during this month, totaling 71 mm (2.8 in) across 10 days, and humidity sits at a more comfortable 73%. For more details on February weather, you can check Si'an weather in February.
In June, the weather is significantly warmer with average temperatures around 25°C (77°F) and maximums reaching up to 37°C (99°F), while March experiences cooler conditions with an average of 12°C (54°F) and maximums of 29°C (84°F). June also sees higher humidity levels at 85%, compared to 82% in March. Additionally, precipitation is much more pronounced in June, with 257 mm (10.1 in) over approximately 15 days, compared to 106 mm (4.2 in) for 13 days in March. This stark contrast highlights the transition from the cooler, wetter early spring to the hot, humid days of early summer. For a more detailed overview of March weather, you can visit Si'an weather in March.
When comparing the weather in June and April, it's evident that June experiences significantly warmer temperatures, with averages reaching up to 25°C (77°F) and maximums soaring to 37°C (99°F). In contrast, April sees milder temperatures, starting from a low of 2°C (35°F) to an average of 17°C (62°F) and peaking at 33°C (92°F). Additionally, June is marked by higher precipitation, recording 257 mm (10.1 in) over 15 days, while April has a more manageable 81 mm (3.2 in) over just 8 days. The humidity levels in both months are quite similar, with June at 85% and April at 86%. For a more detailed look at the weather in April, check out Si'an weather in April.
In comparing the weather of June and May, it's evident that June experiences warmer average temperatures, with a minimum of 14°C (58°F) and an average of 25°C (77°F), compared to May's minimum of 8°C (47°F) and an average of 22°C (71°F). Interestingly, both months share the same maximum temperature of 37°C (99°F). However, June sees significantly more rainfall, with 257 mm (10.1 in) over 15 days, while May has only 135 mm (5.3 in) spread over 11 days. Humidity remains consistent at 85% for both months. For a more detailed look at May's weather patterns, you can visit Si'an weather in May.
June and July exhibit notable differences in weather patterns. In June, temperatures range from a minimum of 14°C (58°F) to a maximum of 37°C (99°F), with an average of 25°C (77°F). The month experiences significant rainfall, totaling 257 mm (10.1 in) across 15 days and maintaining a high humidity level of 85%. In contrast, July sees warmer temperatures, with a low of 20°C (68°F), an average of 28°C (83°F), and a peak of 39°C (102°F). Rainfall increases in July, reaching 299 mm (11.8 in) and occurring over 17 days, while humidity also rises to 90%. For a more detailed perspective on this month, you can read about Si'an weather in July.
June and August present distinct weather patterns, reflecting the transitional phases of summer. In June, the temperature ranges from a minimum of 14°C (58°F) to a maximum of 37°C (99°F), with an average of 25°C (77°F). This month experiences substantial rainfall, with 257 mm (10.1 in) of precipitation over 15 days, accompanied by high humidity levels at 85%. In contrast, August offers slightly warmer conditions with minimums of 18°C (64°F) and a maximum of 38°C (100°F), resulting in a higher average temperature of 29°C (84°F). While precipitation decreases to 190 mm (7.5 in), the humidity remains elevated at 88% over the same 15-day span. For more detailed insights into August weather, you can visit Si'an weather in August.
June and September both offer warm average temperatures around 25°C (77°F), but they exhibit distinct weather characteristics. June experiences higher humidity at 85% and significantly more rainfall, with 257 mm (10.1 in) of precipitation over 15 days, making it a wetter month. In contrast, September sees a slight drop in humidity to 75%, with a significantly reduced precipitation level of 120 mm (4.7 in) over 12 days. While both months have similar minimum and maximum temperatures, June can often feel more oppressive due to the humidity levels. For more detailed information, check out Si'an weather in September.
June and October showcase distinct contrasts in weather patterns. In June, temperatures range from a minimum of 14°C (58°F) to a scorching maximum of 37°C (99°F), averaging around 25°C (77°F). The month is notably wet, with 257 mm (10.1 in) of precipitation spread over 15 days, resulting in high humidity levels of 85%. In contrast, October features cooler temperatures, with a minimum of 7°C (44°F) and a maximum of 34°C (93°F), averaging 19°C (66°F). The month sees significantly less rainfall, totaling only 50 mm (2.0 in) over 8 days, and lower humidity at 76%. For more insights into October's climate, check out Si'an weather in October.
June and November present strikingly different weather conditions. In June, temperatures range from a cool 14°C (58°F) to a scorching 37°C (99°F), with an average of 25°C (77°F). This month is notably humid, with an average humidity of 85% and significant precipitation of 257 mm (10.1 in) spread over 15 days, making it one of the wettest months of the year. In contrast, November experiences much cooler temperatures, from a low of -2°C (28°F) to a high of 28°C (83°F), with an average of 13°C (56°F). Precipitation drops dramatically to just 45 mm (1.8 in) across 8 days, and humidity remains relatively similar at 84%. For those interested in more details about this month, you can visit Si'an weather in November.
June and December weather contrasts dramatically in terms of temperature and precipitation. In June, temperatures range from a minimum of 14°C (58°F) to a scorching maximum of 37°C (99°F), with an average of 25°C (77°F). This month also sees significant rainfall, with 257 mm (10.1 in) spread over 15 days, accompanied by high humidity levels at 85%. In stark contrast, December experiences much cooler temperatures, ranging from -5°C (22°F) to a maximum of 23°C (73°F), averaging 7°C (44°F). Precipitation decreases to 52 mm (2.0 in) over just 8 days, with humidity at a lower 77%. For more specific information about December weather, visit Si'an weather in December.
As June arrives in Si'an, the weather transforms into a vibrant tapestry of warmth and humidity, distinctly contrasting with the cooler and drier months that precede it. With maximum temperatures soaring to an impressive 37°C and an average of 25°C, this month ushers in a palpable heat that invites outdoor adventures, albeit tempered by an 85% humidity level. While rainfall occurs on about 15 days throughout the month, totalling 257 mm, it tends to provide brief relief from the heat rather than dampening spirits. June's blend of warmth and moisture truly marks the onset of summer, making it a captivating time to experience the lush surroundings of Si'an. For more details on the area's weather patterns, visit Si'an Climate.