Last updated: August 21, 2025
In January, Xi'an, China experiences a distinct winter climate characterized by a maximum temperature reaching 18°C (65°F) and an average of 4°C (39°F). Minimum temperatures can dip as low as -7°C (19°F), highlighting the chill of the season. The city sees a total precipitation of 64 mm (2.5 in) across approximately 9 days, contributing to a humidity level of 71%. Visitors should prepare for fluctuating temperatures and possible winter rain while enjoying the unique atmosphere of this historic city.
In Xi'an, China, January presents a distinct winter chill, with temperatures ranging from a minimum of -7°C (19°F) to a comfortable maximum of 18°C (65°F). The month starts off with frosty mornings, gradually warming up during the day, resulting in an average temperature of about 4°C (39°F). As January transitions into February, there's a noticeable shift, with lows creeping up to -3°C (26°F) and highs soaring to 26°C (78°F), heralding the approach of spring. This gradual warming trend continues into March and April, where average temperatures climb, ultimately reaching balmy heights by May. Overall, January serves as a delightful start to the year's seasonal journey, as it paves the way for the budding warmth of the months ahead.
In January, Xi'an experiences a modest precipitation total of 64 mm (2.5 in), spread over about 9 rainy days. This sets the stage for a relatively dry start to the year, especially when compared to the subsequent months, where a notable increase in rainfall is observed. By February, precipitation rises significantly to 91 mm (3.6 in), marking the transition into a wetter season. As spring approaches, the rainfall escalates further, peaking in the summer months, with July and August boasting totals of around 260 mm (10.2 in) and 202 mm (8.0 in), respectively. The trend clearly shows that Xi'an's January is not only an outlier in terms of lower precipitation but also hints at the cyclical nature of its climate, leading into much wetter months ahead. Overall, this early winter month serves as a calm before the vibrant, rain-soaked spring and summer that follow.
In January, Xi'an experiences a humidity level of 71%, setting the stage for a relatively crisp winter month. As the year progresses into February, humidity levels rise slightly to 75%, hinting at the forthcoming transition into spring. The Spring months of March through May see a significant spike, with humidity consistently hovering around 86%, creating a muggy atmosphere as temperatures begin to warm. This trend continues into June and July, where humidity peaks at 89%, making the summer months feel notably sticky. As we move into August, humidity levels drop slightly to 86%, before easing into a lower range in the fall. September's humidity drops to 70%, while October sees a slight rise to 72%. The year's end brings a return to higher levels, with November at 82% and dropping to 76% in December, marking a year characterized by notable humidity fluctuations, particularly through the spring and summer months.
In January, Xi'an experiences a UV Index of 6, which falls into the high exposure category with a burn time of just 25 minutes. This marks the beginning of a gradual increase in UV radiation as the year progresses. As we move into February, the index rises slightly to 7, maintaining a high exposure level. The trend escalates quickly in March, hitting a very high UV Index of 9, accompanied by a reduced burn time of only 15 minutes. The intensity peaks in April and May, reaching an extreme 11, where it remains steady before peaking at 12 in June and July. Following this intense summer period, the index begins to taper off, signaling increasingly safer conditions by September, with levels returning to 10, then to 7 in November and finally dropping to a moderate 5 in December. Awareness of these trends is essential for effective sun safety, especially during the highest UV periods. For further details, check out the Xi'an UV Index.
UV Risk Categories
In January, Xi'an experiences a modest 135 hours of sunshine, setting the stage for the gradual warming of the year. As the months progress, the city embraces an increasing embrace of sunlight, with February seeing a notable rise to 179 hours, followed by a brisk ascent to 184 hours in March. The arrival of spring brings even more brightness, peaking in April at 203 hours. This growing trend continues into the summer, where May and June boast impressive totals of 258 and 257 hours respectively. The sun really shines in July and August, with a remarkable 297 and 309 hours, making these months the sunniest of the year. As autumn settles in, sunshine begins to wane, dropping to 232 hours in September and further to 192 hours by October. The year's end sees a consistent 188 hours in both November and December, as Xi'an transitions back into its colder, darker months. Overall, January marks the beginning of a bright trajectory, leading up to the vibrant summer days that define the city's climate.
In Xi'an, China, January boasts a 46% chance of sunny weather, making it one of the most promising months for clear skies as the year begins. This likelihood of sunshine is notably higher than in the following month of February, which drops to 34%, and continues to decline through the spring months, with March and April seeing 18% and 12% respectively. Interestingly, as summer approaches, the chances of sunny days start to recover slightly with 27% in July and 29% in August. By September, the city experiences a significant boost to 56%, marking it as the sunniest month of the year. After a mild dip in temperatures heading into winter, November and December again showcase substantial chances of sunshine at 45% and 49%. Overall, January stands out as a solid period for those seeking sunny weather, setting a hopeful tone for the months to follow.
In January, Xi'an enjoys around 10 hours of daylight, marking the depths of winter when sunlight starts to slowly increase. As the calendar turns to February and March, daylight stretches to 11 hours, heralding the gradual transition towards spring. By April, days become more vibrant with 12 hours of sunlight, while May brings the peak of daylight at 13 hours, establishing a lush ambiance as nature awakens. This generous daylight continues through June, July, and August, fostering long, warm days perfect for outdoor activities. As autumn approaches in September, daylight begins to taper down to 12 hours, and by October, it dips to 11 hours. November and December then return to 10 hours, closing the year with a reminder of winter's return. Overall, as the seasons shift, Xi'an witnesses a rhythmic ebb and flow of daylight, perfectly encapsulating the beauty of nature's cycles.
In January, the winds in Xi'an greet the new year with a gentle whisper, boasting an average speed of 2.4 m/s (5 mph). This subtle breeze is emblematic of winter's calm embrace, preceding a slight uptick as February brings a mild increase to 2.5 m/s (6 mph). As spring approaches, the winds gradually strengthen, reaching 2.6 m/s (6 mph) in March, before stabilizing around 2.5 m/s through April. Interestingly, as the weather warms up, the wind speed begins a slow descent, dipping to its lowest at 1.9 m/s (4 mph) in June, and maintaining this gentle character through the summer months. The seasonal shift in October sees a resurgence, with winds picking up to 3.1 m/s (7 mph), signaling the transition into autumn. By the close of the year, December's winds, although mild at 2.3 m/s (5 mph), remind us that each January's breeze is but a prelude to the shifting dynamics of the seasons ahead.
Weather in Xi'an varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Xi'an, focusing on differences in temperature, rainfall, humidity, and UV levels.
In January, temperatures range from a low of -7°C (19°F) to a high of 18°C (65°F), with an average temperature of 4°C (39°F). The month experiences about 64 mm (2.5 in) of precipitation over 9 days, accompanied by a humidity level of 71%. In contrast, February sees slightly milder temperatures, with minimums of -3°C (26°F) and maximums rising to 26°C (78°F), resulting in an average temperature of 6°C (43°F). Precipitation increases to 91 mm (3.6 in) across 12 days, and humidity rises slightly to 75%. For more detailed information, you can check Xi'an weather in February.
In comparing the weather between January and March, significant differences become evident. January experiences colder temperatures, with a minimum of -7°C (19°F) and an average of 4°C (39°F), while March sees much milder conditions, starting from a minimum of 3°C (37°F) and averaging 12°C (53°F). The maximum temperatures also rise sharply in March, reaching up to 29°C (84°F) compared to January's highest of 18°C (65°F). Additionally, March is notably wetter, receiving 194 mm (7.6 in) of precipitation over 18 days, compared to January’s 64 mm (2.5 in) over 9 days. Furthermore, humidity levels increase, peaking at 86% in March compared to 71% in January. For a more detailed look at March's weather patterns, you can visit Xi'an weather in March.
In January, the weather is characterized by much colder temperatures, with a minimum of -7°C (19°F) and an average around 4°C (39°F), while the maximum can reach up to 18°C (65°F). The month sees a relatively low amount of precipitation at 64 mm (2.5 in) over 9 days, with humidity levels at 71%. In contrast, April brings significantly warmer conditions, with temperatures ranging from a minimum of 5°C (40°F) to a maximum of 31°C (88°F) and an average of 16°C (61°F). Precipitation increases to 159 mm (6.3 in) over 17 days, accompanied by higher humidity at 86%. For more detailed insights into April weather, you can visit Xi'an weather in April.
January and May present a striking contrast in weather conditions. In January, temperatures range from a chilly -7°C (19°F) at night to a mild 18°C (65°F) during the day, with an average temperature of 4°C (39°F). The month experiences relatively low precipitation, totaling 64 mm (2.5 in) over about 9 days, and humidity sits at 71%. In contrast, May boasts significantly warmer temperatures, with nighttime lows of 11°C (51°F) and daytime highs reaching 33°C (92°F), resulting in an average of 20°C (69°F). This month is also much wetter, with precipitation totaling 241 mm (9.5 in) across 17 days and a higher humidity level of 86%. For more details on the weather specifics in May, you can check out Xi'an weather in May.
January and June present contrasting weather conditions. In January, temperatures range from a chilly minimum of -7°C (19°F) to a mild maximum of 18°C (65°F), with an average of 4°C (39°F). This month experiences 64 mm (2.5 in) of precipitation over about 9 days and a humidity level of 71%. In stark contrast, June temperatures rise significantly, with minimums around 15°C (60°F) and maximums soaring to 34°C (93°F), averaging 24°C (75°F). The rainfall increases dramatically to 255 mm (10.0 in) over 18 days, accompanied by higher humidity at 87%. For a more detailed overview, you can check Xi'an weather in June.
In January, temperatures in Xi'an range from a chilly -7°C (19°F) at night to a mild 18°C (65°F) during the day, with an average temperature of 4°C (39°F). The month sees around 64 mm (2.5 in) of precipitation over 9 days, accompanied by a humidity level of 71%. In stark contrast, July boasts much warmer weather, with minimum temperatures of 18°C (65°F) and daytime highs reaching up to 37°C (99°F), leading to a notably higher average of 27°C (81°F). This summer month is significantly wetter, receiving about 260 mm (10.2 in) of rain over 18 days, and experiences increased humidity levels at 89%. For a detailed look at conditions during this vibrant summer month, check out Xi'an weather in July.
January and August present starkly contrasting weather patterns. In January, temperatures are chilly, ranging from a minimum of -7°C (19°F) to a maximum of 18°C (65°F), with an average of 4°C (39°F). The month sees about 64 mm (2.5 in) of precipitation over 9 days, accompanied by a humidity level of 71%. In contrast, August is characterized by much warmer conditions, with temperatures soaring from a minimum of 18°C (65°F) to a sweltering maximum of 36°C (98°F) and an average of 27°C (81°F). During this month, precipitation significantly increases to 202 mm (8.0 in) over 18 days, and humidity rises to 86%. For more details, visit Xi'an weather in August.
January and September present contrasting weather patterns. In January, temperatures can dip as low as -7°C (19°F) and average around 4°C (39°F), making it the coldest month of the year. Precipitation is relatively light with 64 mm (2.5 in) over 9 days, and humidity hovers around 71%. In stark contrast, September enjoys milder weather with minimum temperatures of 14°C (58°F) and maximums reaching up to 35°C (95°F), culminating in an average of 23°C (73°F). This month also sees more rainfall, totaling 141 mm (5.6 in) spread over 14 days, while maintaining a similar humidity level of 70%. For more details, check out Xi'an weather in September.
In January, temperatures can drop to a minimum of -7°C (19°F), with an average of 4°C (39°F) and a maximum of 18°C (65°F), creating a chilly winter atmosphere. The month experiences about 64 mm (2.5 in) of precipitation over 9 days and maintains a humidity level of 71%. In stark contrast, October brings milder weather, with temperatures ranging from a minimum of 7°C (46°F) to a comfortable maximum of 34°C (93°F), and an average of 16°C (62°F). While October sees slightly higher precipitation at 89 mm (3.5 in) over 11 days, the humidity remains close at 72%. For more details on October weather, you can visit Xi'an weather in October.
In January, the weather is characterized by colder temperatures, with minima reaching as low as -7°C (19°F) and an average temperature of around 4°C (39°F). In contrast, November offers a milder climate, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 28°C (83°F) and an average of 12°C (54°F). Both months receive the same amount of precipitation, 64 mm (2.5 in), but January typically experiences 9 rainy days, compared to 12 days in November. Additionally, November has a higher humidity level at 82%, while January's humidity is at 71%. For more detailed insights, check out Xi'an weather in November.
In January, the weather in Xi'an tends to be slightly cooler than in December, with average temperatures ranging from a minimum of -7°C (19°F) to a maximum of 18°C (65°F), compared to December's range of -6°C (22°F) to 19°C (66°F). January also experiences slightly more precipitation, with 64 mm (2.5 in) over about 9 days, while December sees 47 mm (1.9 in) across 8 days. Additionally, January's humidity is recorded at 71%, which is a bit lower than December's 76%, making the air feel a little less damp. For a more detailed outlook on December weather, you can visit Xi'an weather in December.
In January, Xi'an experiences a notable shift in weather, characterized by cooler temperatures and increased humidity. With an average of 4°C, the month stands out compared to warmer months, where temperatures can soar well above 20°C. Additionally, precipitation levels rise, bringing more rainy days than typically seen in the drier summer months. This blend of cooler weather and elevated humidity creates a crisp atmosphere, especially poignant for visitors exploring the city's rich history. If you're planning a trip, be sure to check the full details at Xi'an Climate to prepare for this unique winter experience.