Last updated: August 21, 2025
April in Si'an, China is marked by a delightful mix of mild temperatures and occasional showers. With a maximum temperature peaking at 30°C (87°F) and a comfortable average of 15°C (59°F), visitors can enjoy pleasant days while layering up during cooler evenings, where temperatures can drop to a minimum of 4°C (39°F). This month experiences about 70 mm (2.8 in) of precipitation over approximately 8 days, creating a lush environment complemented by high humidity levels at 86%. Whether you're exploring historical sites or the vibrant local culture, April's weather offers a refreshing backdrop for your adventures in Si'an.
In Si'an, China, April marks a delightful transition into spring, with temperatures rising comfortably. The month begins with a minimum of 4°C (39°F) and reaches a pleasant average of 15°C (59°F), culminating in a maximum of 30°C (87°F). This significant warming trend from the earlier months reflects the gradual shift away from the cold of winter, with March's highs of 27°C (81°F) serving as a precursor. As April unfolds, residents and visitors alike can revel in the increasingly mild weather, making it an ideal time for exploring the city's cultural treasures and outdoor spaces. The steady increase in temperature not only heralds the arrival of blooming flowers but also invites invigorating activities under the sun, encapsulating the essence of spring in this vibrant region.
In April, Si'an experiences a noticeable uptick in precipitation, with 70 mm (2.8 in) of rainfall, marking a significant increase from the previous months. This month features 8 days of rain, maintaining a consistent pattern observed since January. As spring progresses, April's rainfall not only surpasses that of March but also sets the stage for a considerable rise in the following months, especially May and June, where the precipitation amounts leap to 112 mm (4.4 in) and 131 mm (5.2 in), respectively. This trend foreshadows the approaching wet season, indicating that Si'an transforms into a lush landscape as nature basks in the refreshing spring showers. The sustained rain during this transitional period underscores the region’s dynamic climate, preparing the ground for the torrential rains that characterize the summer months.
In April, Si'an, China, experiences a notable rise in humidity, reaching 86%, which marks a significant increase from 79% in March. This upward trend continues as the region transitions into late spring, setting the stage for the even higher humidity levels of May and June, where readings soar to 87% and 90%, respectively. April's humidity signals a shift towards the more sultry summer months ahead, reflective of the broader pattern of increasing moisture that defines the climate in Si'an throughout the year. As the season progresses, residents can expect a gradual escalation in humidity, leading to the peak levels typically seen in the heart of summer.
As April arrives in Si'an, the UV Index peaks at a striking 10, signaling a very high exposure category that necessitates caution when enjoying outdoor activities. This marks a noticeable increase from the 8 observed in March, indicating a trend of rising UV levels as spring unfolds. With a burn time of just 15 minutes, residents and visitors should take proactive steps to protect their skin. Following April, the UV index remains consistent at 10 in May and June, reinforcing the need for sun safety practices during these months. As temperatures climb and the sun’s intensity increases, it’s essential to stay informed about the UV Index and plan accordingly. For a detailed look at how UV levels change throughout the year, check the Si'an UV Index.
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April in Si'an, China, welcomes an increasingly vibrant sunshine, with a remarkable 265 hours illuminating the landscape. This trend of rising sunlight hours has been apparent since January, as the daylight hours progressively increased from 166 hours at the year's start to a delightful 288 hours by May. It's a time when nature awakens, and the warmth of spring is truly felt, drawing a remarkable contrast with the winter months. As summer approaches, it’s clear that Si'an not only enjoys longer days but also experiences a growing invitation for outdoor adventures and exploration, making it a prime destination as the year unfolds.
As April unfolds in Si'an, China, the likelihood of basking in sunny weather hovers around 33%, reflecting a modest uptick from the dreary winter months. Although this percentage is slightly higher than March's 31%, it signals a gradual transition into spring rather than an outright embrace of sunny days. May follows closely with a 30% chance of sun, suggesting that while the region begins to shake off the chill, blue skies may still be elusive. The overall trend highlights a challenging spring for sun-seekers, with peak chances of sunshine not arriving until late in the year, when November and December boast probabilities of 60% and 62%, respectively. So, if you're planning a visit, prepare for a mix of conditions—April's charm lies not just in the sun, but also in the gentle embrace of a warming season.
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 exhibit a gentle embrace, with an average speed of 3.4 m/s (8 mph), slightly dipping from the previous month. This subtle decrease is part of a broader trend where spring winds tend to mellow, mirroring the burgeoning warmth of the season. As the year progresses, April stands out as a transitional month; it hints at the stronger gusts to come in July, which sees a notable uptick to 4.5 m/s (10 mph). Overall, the patterns suggest a rhythmic ebb and flow of wind, creating a serene environment that complements the region's blossoming landscape, making April a delightful time for outdoor exploration.
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.
April weather is generally much milder compared to January, with average temperatures soaring to around 15°C (59°F), while January struggles with colder averages of just 5°C (41°F). The maximum temperatures in April can reach as high as 30°C (87°F), contrasting sharply with January's peak of only 18°C (64°F). Additionally, April experiences higher humidity levels at 86%, while January maintains a lower humidity of 67%. Despite both months having eight days of precipitation, April receives more rainfall, totaling 70 mm (2.8 in) compared to January's 47 mm (1.8 in). For a more detailed look at January weather, visit Si'an weather in January.
April and February exhibit markedly different weather patterns. In April, temperatures range from a minimum of 4°C (39°F) to a maximum of 30°C (87°F), with an average of 15°C (59°F), showcasing a significant warming trend as spring progresses. In contrast, February experiences much cooler temperatures, with a minimum of -5°C (23°F) and a maximum of 24°C (75°F), resulting in an average of only 6°C (43°F). While both months receive precipitation on 8 days, April sees a higher total of 70 mm (2.8 in) compared to February's 52 mm (2.0 in). Additionally, April's humidity stands at 86%, noticeably higher than February's 69%. For more detailed weather insights, you can check Si'an weather in February.
In comparing the weather between March and April, April tends to be warmer, boasting an average temperature of 15°C (59°F), which is notably higher than the 11°C (51°F) average in March. The temperature range in April also showcases more extreme highs, reaching up to 30°C (87°F), compared to March's maximum of 27°C (81°F). Although April experiences slightly more precipitation at 70 mm (2.8 in) over 8 days, compared to March's 56 mm (2.2 in) spread across 9 days, it also has a higher humidity level (86% in April versus 79% in March). For more insight into March weather specifics, you can visit Si'an weather in March.
April and May exhibit a noticeable transition in weather patterns. In April, temperatures range from a minimum of 4°C (39°F) to a maximum of 30°C (87°F), with an average of 15°C (59°F). This month experiences around 70 mm (2.8 in) of precipitation over 8 days and maintains a high humidity level of 86%. In contrast, May sees a rise in both temperature and precipitation. The minimum temperature increases to 9°C (49°F), while the average climbs to 21°C (69°F) and the maximum can reach 35°C (95°F). Additionally, May has higher rainfall, totaling 112 mm (4.4 in) across 9 days, with humidity remaining relatively constant at 87%. For detailed insights on May weather in Si'an, you can check Si'an weather in May.
April and June exhibit notable differences in weather patterns. In April, temperatures range from a cool minimum of 4°C (39°F) to a warm maximum of 30°C (87°F), with an average of 15°C (59°F). Precipitation is moderate at 70 mm (2.8 in) over about 8 days, contributing to a humidity level of 86%. In contrast, June sees a significant rise in temperatures, with a minimum of 16°C (61°F) and a maximum reaching up to 37°C (99°F), averaging around 24°C (76°F). The month experiences higher rainfall of 131 mm (5.2 in) over 10 days, resulting in an increase in humidity to 90%. To explore more about the weather in June, you can check out Si'an weather in June.
April and July exhibit stark differences in weather patterns. In April, temperatures range from a minimum of 4°C (39°F) to a maximum of 30°C (87°F), with an average of 15°C (59°F). The month sees a moderate precipitation of 70 mm (2.8 in) over 8 days, accompanied by relatively high humidity at 86%. In contrast, July experiences much warmer conditions, with minimum temperatures of 18°C (65°F), averaging 28°C (82°F), and soaring to a maximum of 39°C (103°F). The month is significantly wetter, with 231 mm (9.1 in) of precipitation occurring over 17 days and humidity levels reaching 95%. For more information on July weather specifics, you can visit Si'an weather in July.
April and August present strikingly different weather patterns. In April, temperatures range from a chilly minimum of 4°C (39°F) to a pleasant average of 15°C (59°F), reaching a maximum of 30°C (87°F). The month experiences around 70 mm (2.8 in) of precipitation over approximately 8 days, with humidity at a relatively high 86%. In contrast, August is much warmer, with temperatures starting at a minimum of 21°C (71°F) and peaking at a blazing 37°C (99°F), averaging 28°C (84°F). This month sees significantly more rainfall, totaling 192 mm (7.6 in) over about 14 days, and even higher humidity levels at 92%. For more details, you can check Si'an weather in August.
April and September showcase distinct weather patterns, making them unique months. In April, temperatures range from a cooler minimum of 4°C (39°F) to a maximum of 30°C (87°F), with an average of 15°C (59°F). Despite the moderate temperatures, April experiences a fair amount of precipitation, totaling 70 mm (2.8 in) over approximately 8 days, and the humidity is notably high at 86%.
In contrast, September has significantly warmer temperatures, with a minimum of 16°C (61°F), an average of 24°C (76°F), and a high of 34°C (94°F). This month also sees increased rainfall, with 142 mm (5.6 in) falling over 11 days, although the humidity is relatively lower at 79%. For more detailed information on the weather in September, you can check Si'an weather in September.
April and October exhibit quite distinct weather patterns, reflecting the transition from spring to autumn. In April, temperatures range from a chilly minimum of 4°C (39°F) to a warm maximum of 30°C (87°F), with an average temperature of 15°C (59°F). This month also sees higher humidity at 86% and more precipitation, totaling 70 mm (2.8 in) over about 8 days.
In contrast, October experiences milder temperatures, with a minimum of 8°C (47°F) and a maximum of 32°C (90°F), averaging 19°C (66°F). It also has lower humidity at 76% and less precipitation, accumulating 58 mm (2.3 in) over just 7 days. For more detailed insights into October weather, you can visit Si'an weather in October.
April and November offer distinct weather experiences, reflecting the transition of seasons. In April, temperatures range from a minimum of 4°C (39°F) to a maximum of 30°C (87°F), with an average of 15°C (59°F). The month sees about 70 mm (2.8 in) of precipitation over approximately 8 days, alongside high humidity levels reaching 86%. In contrast, November tends to be cooler, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 27°C (81°F) and an average of 13°C (56°F). Precipitation decreases to around 53 mm (2.1 in) over 7 days, accompanied by a lower humidity level of 77%. For those interested in the specifics of November's weather, you can refer to Si'an weather in November.
April and December present contrasting weather patterns. In April, temperatures grow warmer, with a minimum of 4°C (39°F), an average of 15°C (59°F), and a maximum reaching 30°C (87°F). This month experiences higher humidity at 86% and an average of 70 mm (2.8 in) of precipitation over 8 days, making it feel quite tropical. In contrast, December sees much cooler conditions with a minimum of -7°C (20°F), an average of 7°C (45°F), and a maximum of 20°C (68°F). The month is drier with only 44 mm (1.7 in) of precipitation, yet it maintains a lower humidity level of 73%. For more detailed information, you can check Si'an weather in December.
April in Si'an heralds a transition from the chill of winter to the warmth of spring, characterized by its mild temperatures and increased humidity. Unlike the harsher winter months, residents experience pleasant days, with an average temperature that invites outdoor activities. Though rainfall is somewhat common, with about a week of precipitation, it adds a refreshing touch to the landscape, enhancing the vibrancy of blooming flora. This month stands out for its delicate balance of warmth and moisture, making Si'an a picturesque spot for springtime exploration. For more details on the region’s climate throughout the year, visit Si'an Climate.