Last updated: August 21, 2025
April in Si'an, China boasts a vibrant climate that offers a delightful mix of warm and cool temperatures. With a maximum reaching up to 33°C (92°F) and an average of 17°C (62°F), the month presents comfortable days perfect for outdoor exploration. However, evenings can be brisk, dipping to a minimum of 2°C (35°F). This month also witnesses a precipitation total of 81 mm (3.2 in) across 8 days, contributing to an humidity level of 86%, creating a lush environmental backdrop. Whether you're planning a visit or simply curious, April in Si'an is a month of refreshing contrasts and captivating scenery.
In April, Si'an, China, experiences a notable transition as winter fades and spring unfolds, with temperatures ranging from a minimum of 2°C (35°F) to a warm maximum of 33°C (92°F). The average temperature climbs to 17°C (62°F), signaling the arrival of milder days that invite outdoor exploration. This month marks a significant warming trend from the cooler early spring months of January through March, where average temperatures lingered around 5°C to 12°C. As the region shifts from chilly nights to pleasantly warm afternoons, April becomes a vibrant prelude to the hotter months ahead, making it an ideal time for visitors to enjoy Si'an’s stunning landscapes and rich history before the heat of summer sets in.
In April, Si'an experiences a moderate rainfall of 81 mm (3.2 in), marking a slight decrease from the previous month's 106 mm (4.2 in). With precipitation spread over 8 days, the weather remains relatively stable, providing a refreshing break before the heavy downpours of May, which typically sees a significant spike to 135 mm (5.3 in). This gentle transition highlights April as a pivotal month in the rainy season, setting the stage for the more intense rainfall that follows in the late spring and summer months. Overall, as April progresses, residents can enjoy the blooming landscape nourished by nature's timely showers, paving the way for the lush growth that characterizes the region.
In April, Si'an, China, experiences a notable rise in humidity, reaching 86%, which marks a significant jump from 82% in March. This increase signifies the onset of the warmer and more humid months, as April transitions the city into the peak of its humid season. Following April, humidity remains relatively high, with May and June both hovering around 85%. The trend continues through the summer, peaking in July at 90%, illustrating how the region's climate becomes increasingly muggy. As autumn approaches, humidity levels gradually decline, dropping to 75% by September. This pattern indicates a clear seasonal rhythm, highlighting Si'an's distinctive humid climate throughout the year.
As spring unfolds in Si'an, China, April marks a notable increase in UV intensity, with the UV Index reaching 10, categorized as very high. This reflects a trend of escalating sun exposure as the year progresses, following a sharp rise from March's index of 9. With a burn time reduced to just 15 minutes, sunbathers should be particularly cautious in April and prepare for even more extreme conditions ahead. The shift from January's moderate index of 5 to the current levels underscores the importance of proactive sun protection measures. As summer approaches, May is expected to escalate to an 11, signifying extreme exposure risks. For more detailed information on UV trends, visit Si'an UV Index.
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April in Si'an, China, marks a delightful transition into the warmer months, as the city basks in an impressive 251 hours of sunshine. This rise in sunlight is part of a clear upward trend, where each month from January to April witnesses a steady increase, culminating in April's vibrant glow. From a modest 152 hours in January, the city blossoms, reflecting the burgeoning beauty of spring. Following April, May continues this sunny trajectory, reaching 278 hours, highlighting the region’s inviting climate. With every sun-drenched hour, Si'an welcomes the growing vibrancy as it prepares for the peak sunny months ahead.
As April arrives in Si'an, China, the landscape of sunny weather reveals a modest 29% chance of clear skies. This marks a slight dip compared to the preceding months, particularly when compared to the 50% in January and a more optimistic 48% in September. While April's chances for sunshine are lower than those cozy winter months, it's essential to note that brighter days do start to emerge as the year progresses, with May and June experiencing similar probabilities at 26% and 23% respectively. Overall, April offers a transitional period where the sun gradually begins to peek through, hinting at the return of warmer, sunnier days ahead.
As the seasons shift in Si'an, China, April marks a delightful increase in daylight, basking the city in a full 12 hours of sunlight. This gradual ascent in daylight begins in the early months of the year, starting at 10 hours in January and slowly climbing to 11 hours by March. The transition into April signals not only the arrival of spring but also a welcoming extension of sunlight, inviting residents to enjoy longer outdoor activities. Following April, daylight continues to stretch, peaking at 14 hours in June before gracefully tapering off as summer transitions into autumn. This rhythmic cycle of daylight reflects the vibrant changes in nature, aligning perfectly with the spirit of the season.
In April, the winds in Si'an, China, offer a gentle caress, with an average speed of 2.6 m/s (or 6 mph), mirroring the calmness of the preceding months. This subtle breeze maintains a consistent presence as it transitions from winter to spring, ensuring that March's similar conditions seamlessly lead into the vibrant energy of the season. Interestingly, April's winds are part of a broader trend where early spring breaths are slightly more subdued compared to the energetic gusts of July, which peaks at 2.9 m/s. As the seasons progress and summer approaches, we observe a gradual shift, with wind speeds fluctuating between refreshing afternoons and serene evenings. Thus, April stands as a tranquil bridge connecting the stillness of spring to the livelier summer months ahead.
Weather in Si'an varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Si'an, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of April to January, we observe significant differences in temperature and humidity. April boasts a much milder climate, with average temperatures ranging from a minimum of 2°C (35°F) to a maximum of 33°C (92°F), while January remains cold, with averages between -11°C (13°F) and 20°C (68°F). Additionally, April experiences a higher humidity level at 86%, compared to January's 70%. Precipitation is also noteworthy, as April sees 81 mm (3.2 in) of rainfall over 8 days, slightly more than January's 68 mm (2.7 in) during the same number of days. For a more detailed look at January's weather, you can visit Si'an weather in January.
Comparing the weather in April and February reveals distinct seasonal shifts. In April, temperatures range from a cool minimum of 2°C (35°F) to a warm maximum of 33°C (92°F), with an average of 17°C (62°F). This month experiences more rainfall, with 81 mm (3.2 in) over 8 days, and higher humidity at 86%. In contrast, February exhibits significantly colder temperatures, from a minimum of -8°C (18°F) to a maximum of 26°C (79°F), averaging just 6°C (44°F). With slightly less precipitation at 71 mm (2.8 in) over 10 days and a lower humidity of 73%, February presents a much chillier environment. For a detailed look at February's weather, visit Si'an weather in February.
In comparing the weather between March and April, we see a notable increase in temperature and a slight decrease in precipitation. April boasts a minimum temperature of 2°C (35°F), an average of 17°C (62°F), and a maximum soaring to 33°C (92°F). This is a marked contrast to March, which has a minimum of -1°C (30°F), an average of 12°C (54°F), and a maximum of 29°C (84°F). While April experiences 81 mm (3.2 in) of precipitation over 8 days, March is wetter, with 106 mm (4.2 in) spread across 13 days. Humidity remains relatively high in both months, but April is slightly more humid at 86% compared to March's 82%. For a detailed look at March weather, visit Si'an weather in March.
April and May present a noticeable shift in weather patterns. In April, temperatures range from a minimum of 2°C (35°F) to a maximum of 33°C (92°F), with an average temperature of 17°C (62°F). Precipitation is recorded at 81 mm (3.2 in) over 8 days, accompanied by high humidity levels at 86%. In contrast, May sees warmer conditions, with temperatures ranging from a minimum of 8°C (47°F) to a peak of 37°C (99°F), and an average of 22°C (71°F). However, it tends to be wetter, with 135 mm (5.3 in) of rainfall occurring on 11 days, while humidity remains slightly lower at 85%. For more detailed information, you can check Si'an weather in May.
April and June exhibit contrasting weather patterns, with April featuring a wider temperature range that extends from a cool 2°C (35°F) to a warm 33°C (92°F), while June maintains milder lows of 14°C (58°F) and reaches higher highs of 37°C (99°F). Rainfall also significantly increases in June, with 257 mm (10.1 in) of precipitation over 15 days, compared to April's 81 mm (3.2 in) spread across 8 days. While both months showcase high humidity, June's humidity level remains slightly lower at 85%, whereas April's humidity is a touch higher at 86%. For a more detailed look at the weather in June, you can refer to Si'an weather in June.
April and July exhibit significant differences in weather patterns. In April, temperatures range from a chilly minimum of 2°C (35°F) to a more comfortable average of 17°C (62°F), with the highest reaching up to 33°C (92°F). The month experiences moderate rainfall with a total of 81 mm (3.2 in) over about 8 days, accompanied by relatively high humidity levels of 86%.
In contrast, July sees a substantial increase in temperatures, with a minimum of 20°C (68°F), an average of 28°C (83°F), and peak temperatures soaring to 39°C (102°F). This month is also notably wetter, receiving 299 mm (11.8 in) of rainfall spread over 17 days, while humidity rises slightly to 90%.
For those interested in a detailed overview of July's weather, you can visit Si'an weather in July.
April and August present contrasting weather patterns. In April, temperatures range from a cool 2°C (35°F) at night to a warm 33°C (92°F) during the day, with an average of 17°C (62°F). The month sees about 81 mm (3.2 in) of precipitation over 8 days, coupled with high humidity levels at 86%. In contrast, August experiences significantly warmer temperatures, with a minimum of 18°C (64°F), an average of 29°C (84°F), and a peak of 38°C (100°F). Precipitation is also higher in August, totaling 190 mm (7.5 in) over 15 days, along with a slight increase in humidity to 88%. For a more detailed look at August weather, you can visit Si'an weather in August.
April and September offer contrasting weather patterns. In April, temperatures range from a chillier minimum of 2°C (35°F) to a warm average of 17°C (62°F), with maximums reaching up to 33°C (92°F). This month is characterized by higher humidity levels at 86% and a total precipitation of 81 mm (3.2 in) over 8 days. In comparison, September's temperatures are significantly warmer, with a minimum of 13°C (56°F), an average of 25°C (77°F), and maximums soaring to 36°C (98°F). The month experiences more rainfall, totaling 120 mm (4.7 in) over 12 days, but with a lower humidity level of 75%. For more specific details on September weather, you can check out Si'an weather in September.
April and October present distinct weather patterns, indicative of the transitional periods they represent. In April, temperatures can vary significantly, ranging from a chilly 2°C (35°F) at night to a balmy 33°C (92°F) during the day, with an average of 17°C (62°F). This month also brings considerable rainfall, with about 81 mm (3.2 inches) of precipitation over eight days, accompanied by high humidity levels of 86%. In contrast, October experiences milder temperatures, with a minimum of 7°C (44°F), an average of 19°C (66°F), and a maximum of 34°C (93°F). Rainfall is lighter, totaling around 50 mm (2.0 inches) over the same number of days, and humidity drops to 76%. For more details about weather conditions in October, you can refer to Si'an weather in October.
In comparing the weather between April and November, April boasts a wider temperature range, with a minimum of 2°C and a maximum of 33°C, leading to a pleasant average of 17°C. The month experiences more rainfall, totaling 81 mm over eight days, and notably high humidity at 86%. In contrast, November features cooler temperatures, with a minimum of -2°C and a maximum of 28°C, resulting in a lower average of 13°C. Precipitation is significantly reduced in November, totaling 45 mm across the same number of rainy days, and humidity remains relatively similar at 84%. For a closer look at the November weather specifics, you can visit Si'an weather in November.
April and December exhibit strikingly different weather patterns. In April, temperatures can range from a minimum of 2°C (35°F) to a maximum of 33°C (92°F), with an average of 17°C (62°F). This month tends to be wetter, receiving about 81 mm (3.2 in) of precipitation over 8 days, and the humidity is relatively high at 86%. In contrast, December sees much cooler temperatures, with a minimum of -5°C (22°F), an average of 7°C (44°F), and a maximum of 23°C (73°F). Precipitation is lighter in December, totaling 52 mm (2.0 in) over the same number of days, and humidity drops to 77%. Overall, April feels more vibrant and humid, while December is characterized by its chillier and drier conditions. For a more detailed look at December's climate, visit Si'an weather in December.
April in Si'an brings a delightful transition from the cooler months, showcasing a remarkable blend of warmth and refreshing moisture. With daytime temperatures peaking around 33°C, the weather becomes noticeably more inviting, yet nights can still dip to a brisk 2°C, reminding us that spring is a season of contrasts. The increase in humidity, hovering at about 86%, coupled with around 8 days of precipitation, ensures the landscape flourishes with vitality. This lively mix sets April apart, offering a perfect time for outdoor adventures and nature enthusiasts to embrace the rejuvenating spirit of spring. For a deeper dive into Si'an's climatic patterns, be sure to check Si'an Climate.