Last updated: August 21, 2025
In January, Xi'an, China experiences a chilly climate, with maximum temperatures reaching only 1°C (33°F) and average lows dipping to a brisk -15°C (5°F). The month can see temperatures plummet to a frigid -30°C (-22°F), inviting a true winter atmosphere. Humidity hovers around 84%, adding a layer of crispness to the air. Despite the cold, the city witnesses minimal precipitation, totaling just 6 mm (0.3 in) across a mere 1 day. Overall, January in Xi'an presents a remarkable blend of winter chill and dry conditions, perfect for exploring the region’s rich cultural heritage wrapped in a serene frost.
In January, Xi'an, China, experiences some of its coldest temperatures of the year, with the mercury plummeting to a minimum of -30°C (-22°F) and an average hovering around -15°C (5°F). While the maximum temperature barely tickles the positive side at 1°C (33°F), this month sets the stage for the gradual warming that follows. As we move into February, the chill persists but begins to ease slightly, indicating a shift towards the more temperate climates of spring. March brings a more noticeable thaw, as temperatures start to climb, paving the way for the vibrant and warmer months ahead. Overall, January serves as a stark reminder of winter’s grip on Xi'an, but a hopeful transition to milder days is just around the corner.
In January, Xi'an experiences exceptionally low precipitation, with only 6 mm (0.3 in) of rainfall recorded over just a single day. This marks one of the driest months of the year, setting the stage for a gradual increase in moisture as winter transitions to spring. By February, precipitation slightly rises to 9 mm, but the frequency of rainy days remains minimal. As the months progress, there is a notable surge in rainfall: March sees a jump to 24 mm, culminating in the summer months of July and August, where precipitation peaks at 99 mm and 177 mm, respectively. This pattern highlights a clear trend of increasing rainfall throughout the year, showcasing the shift from the dry winter months to the more humid and wetter conditions characteristic of the warmer seasons in Xi'an.
In January, Xi'an, China, experiences its highest humidity for the year at a notable 84%, setting the tone for a winter season characterized by dampness. This month marks a peak before humidity begins to dwindle slightly in February, dropping to 79%. As spring approaches, relative humidity continues to decrease, reaching 65% in both April and November, suggesting drier conditions. However, this trend reverses in the summer months, where humidity spikes significantly, peaking at a steamy 88% in August. The yearly cycle illustrates a clear contrast between the wet winter months and the humid summer season, highlighting the diverse climatic patterns that define this historical city.
In January, Xi'an experiences a low UV Index of 2, indicating minimal sun exposure risk with a burn time of 45 minutes. This marks the beginning of the year with a gradual trend toward increased sun exposure, as the UV Index rises steadily through the months. By February, the UV Index climbs to 3, shifting to a moderate exposure category. As spring approaches, the UV Index continues to rise, reaching 5 in March and rising further to 7 by April, signaling a notable escalation in sun intensity. May and June bring peak UV levels, hitting 8 and 10 respectively, where caution becomes essential with burn times significantly decreasing to just 15 minutes. This uptick reflects seasonal changes, transitioning from winter's low UV risk to summer's very high levels. By late summer, the UV Index begins to decline again, cycling back to moderate levels in October and November, before settling back to a low index of 2 in December. For a detailed look at the UV trends throughout the year, visit Xi'an UV Index.
UV Risk Categories
In January, Xi'an basks in a modest 188 hours of sunshine, a gentle start to the year as winter grips the city. However, as February rolls in, a noticeable increase to 230 hours hints at the warmth of spring approaching. By March, the sunshine further escalates to 275 hours, as the city begins to bloom into life. April and May continue this upward trend, with sunlight peaking at 304 hours in May, creating a vibrant atmosphere just before the summer months. The sun reaches its zenith in July, boasting 343 hours of golden rays, making it the sunniest month of the year. Interestingly, August sees a slight decline to 291 hours, yet still retains ample warmth. As autumn settles in, Xi'an experiences decreasing daylight, culminating in 215 hours of sunshine in November, before closing the year with 226 hours in December. Overall, the yearly sunshine data paints a beautiful picture of seasonal transitions, marked by increasing brightness in spring and summer, and a gradual retreat as the year winds down.
In Xi'an, China, the likelihood of sunny weather in January stands at a notable 58%, making it one of the brighter months of the year. This percentage is particularly striking when compared to February’s 44%, indicating a slight decline in sunny days as winter progresses. Interestingly, January’s sunshine chance is on par with October, suggesting that as the year transitions from cold to warmer months, the potential for clear skies rallies once again. Overall, while the sunny days diminish through the summer, winter offers a refreshing respite with a decent chance of sunshine, creating a pleasant backdrop for any January activities.
In January, Xi'an, China experiences about 9 hours of daylight, marking the start of a gradual increase in daylight as winter begins to give way to spring. By February, this extends to 10 hours, signaling a slow return of warmth and brightness. The trend continues with March bringing 11 hours of sunlight, and April further brightening the days to 13 hours. As we move into May and June, daylight peaks at 14 and 15 hours, respectively, offering the longest days of the year. However, the sunlight begins to wane slightly during the summer months of July and August, where it remains steady at 15 and 13 hours. As autumn approaches in September and October, daylight declines gradually to 12 and then 10 hours, before slipping back into 9 hours in November. Finally, December wraps up the year with just 8 hours of daylight, reflecting the seasonal rhythms that Xi'an experiences. This cyclical pattern not only influences the daily lives of its residents but also marks the transition between the invigorating warmth of summer and the tranquil stillness of winter.
In January, Xi'an experiences a gentle breeze with an average wind speed of 2.6 m/s (6 mph), marking the month as one of the calmer periods of the year. As winter progresses into February, the winds pick up slightly to 3.4 m/s (8 mph), indicating a shift towards a brisker feel as spring approaches. This trend of increasing wind continues into March and April, where speeds hold steady around 3.2 to 3.4 m/s (7 to 8 mph), creating a refreshing atmosphere ideal for outdoor activities. By May, the wind slows down again to 3.0 m/s (7 mph), but it noticeably decreases during the hotter summer months, hitting a low of 1.9 m/s (4 mph) in July. As the seasons transition back toward autumn in the months of August and September, wind speeds slightly rise again, averaging around 2.5 to 2.1 m/s (5 to 6 mph). The year wraps up with fluctuating winds in the fall, ultimately culminating in December with an average of 3.2 m/s (7 mph), showcasing the dynamic changes in Xi'an's wind patterns throughout the year.
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 are notably colder, with a minimum of -30°C (-22°F) and an average of -15°C (5°F). The month experiences very limited precipitation, with only 6 mm (0.3 in) over just 1 day and humidity levels reaching 84%. In contrast, February brings slightly milder weather, with a minimum of -26°C (-14°F) and an average of -12°C (11°F), while the maximum temperature can rise to 7°C (44°F). Precipitation increases to 9 mm (0.3 in), occurring over 2 days, and humidity decreases to 79%. For more specific weather details, you can refer to Xi'an weather in February.
In January, the weather is quite harsh, with temperatures plummeting to a minimum of -30°C (-22°F) and an average around -15°C (5°F). The maximum temperature barely reaches 1°C (33°F), and the month sees very little precipitation at just 6 mm (0.3 in) over the course of a single day, along with high humidity levels at 84%. In contrast, March experiences a significant shift, with temperatures rising to an average of -1°C (30°F) and reaching a maximum of 20°C (68°F). Precipitation also increases, totaling 24 mm (0.9 in) over five days, while humidity decreases to a more comfortable 71%. For a more detailed look at March weather, you can visit Xi'an weather in March.
January and April present stark contrasts in weather conditions. In January, temperatures can plummet to a chilling minimum of -30°C (-22°F), with an average of -15°C (5°F) and a maximum barely reaching 1°C (33°F). The month is characterized by a high humidity of 84% but only sees limited precipitation of 6 mm (0.3 in) over just one day. In contrast, April experiences a significant warm-up, with minimum temperatures around -6°C (21°F), an average of 7°C (46°F), and maximum temperatures soaring to 30°C (86°F). The month also sees increased precipitation, totaling 31 mm (1.2 in) over six days, along with a lower humidity of 65%. For a more detailed look at the changes in weather, you can check Xi'an weather in April.
January and May present stark contrasts in weather. In January, temperatures plummet to a minimum of -30°C (-22°F), with an average of -15°C (5°F) and a maximum that barely creeps above freezing at 1°C (33°F). The month is characterized by low precipitation, with only 6 mm (0.3 in) over just one day, but high humidity at 84%, contributing to a biting cold atmosphere.
In contrast, May experiences much milder conditions, showcasing a minimum temperature of 1°C (33°F) and an average of 14°C (58°F), while highs can soar to a warm 33°C (91°F). This month sees a significant increase in precipitation, rising to 72 mm (2.8 in) spread over 12 days, and humidity drops to a more comfortable 70%. For more detailed information, you can check Xi'an weather in May.
January and June present starkly contrasting weather conditions. In January, temperatures can plummet as low as -30°C (-22°F), with an average of -15°C (5°F) and a maximum of just 1°C (33°F). The month is characterized by very low precipitation, totaling only 6 mm (0.3 in) over just one day, and a high humidity of 84%. In comparison, June enjoys much milder temperatures, with a minimum of 6°C (42°F), an average of 18°C (65°F), and a maximum reaching up to 35°C (95°F). The month also sees significantly more rainfall, amounting to 91 mm (3.6 in) over 15 days, while humidity remains relatively high at 82%. For more detailed information about the weather in June, you can refer to Xi'an weather in June.
The weather in January and July presents a striking contrast. In January, temperatures can plunge as low as -30°C (-22°F), with an average of -15°C (5°F) and a maximum reaching just 1°C (33°F). This bitter cold is accompanied by very little precipitation, totaling only 6 mm (0.3 in) over just one day, while humidity remains high at 84%.
In contrast, July brings warmth and vitality, with minimum temperatures around 12°C (54°F) and averages peaking at 23°C (74°F), while maximum highs can soar to 35°C (95°F). The summer month experiences significantly more precipitation, totaling 99 mm (3.9 in) over 12 days, and humidity is slightly elevated at 87%. For a closer look at July weather specifics, you can check Xi'an weather in July.
The weather in January is characterized by harsh winter conditions, with temperatures plummeting to a minimum of -30°C (-22°F) and averaging around -15°C (5°F). Precipitation is minimal, totaling just 6 mm (0.3 in) over only one day, while humidity remains high at 84%. In stark contrast, August brings a warm summer climate, where temperatures range from a minimum of 6°C (43°F) to a maximum of 35°C (96°F), with an average of 21°C (70°F). This month sees significant rainfall, amounting to 177 mm (7.0 in) over 15 days, and humidity rises slightly to 88%. For more detailed information, you can check Xi'an weather in August.
January and September present a stark contrast in weather conditions. In January, temperatures plummet, with lows reaching -30°C (-22°F) and an average of -15°C (5°F), only peaking at 1°C (33°F). This frigid month sees minimal precipitation, with just 6 mm (0.3 in) falling over a single day, accompanied by high humidity levels at 84%. In contrast, September experiences much milder weather, with temperatures ranging from a low of 1°C (34°F) to a warm average of 15°C (60°F), and highs reaching 28°C (83°F). This month is considerably wetter, recording 81 mm (3.2 in) of precipitation over 10 days, while humidity rises slightly to 86%. For more insights on similar weather patterns, check out Xi'an weather in September.
January and October present stark contrasts in weather conditions. In January, temperatures plunge to an extreme minimum of -30°C (-22°F), with an average of -15°C (5°F) and only reaching a maximum of 1°C (33°F). The month sees minimal precipitation, just 6 mm (0.3 in) over a single day, and humidity levels are high at 84%. In contrast, October offers a much milder climate, with temperatures ranging from a minimum of -7°C (21°F) to a pleasant average of 7°C (44°F), and maximums soaring to 28°C (83°F). Precipitation increases to 30 mm (1.2 in) over five days, and humidity remains similar at 83%. For a detailed look at what to expect during October, you can check out Xi'an weather in October.
In January, temperatures plummet to a minimum of -30°C (-22°F) and hover around an average of -15°C (5°F), with a maximum of just 1°C (33°F), making it one of the coldest months of the year. The precipitation is minimal, with only 6 mm (0.3 in) expected over just 1 day, and humidity levels are high at 84%. In contrast, November experiences slightly milder weather, with temperatures ranging from a minimum of -18°C (0°F) to a warm maximum of 16°C (60°F) and an average of -3°C (27°F). This month sees considerably more precipitation at 39 mm (1.5 in) over 5 days, and lower humidity levels at 65%. For a closer look at what to expect, check out Xi'an weather in November.
In January, the weather is typically colder than in December, with average temperatures hovering around -15°C (5°F), while December sees slightly milder conditions with an average of -13°C (9°F). January's maximum temperature barely rises above freezing at 1°C (33°F), compared to December's higher peak of 8°C (46°F). Precipitation is also less frequent in January, occurring on just one day and totaling 6 mm (0.3 in), whereas December experiences slightly more precipitation with 10 mm (0.4 in) over two days. Additionally, humidity is higher in January at 84%, compared to December's 66%. For more insights about December weather, you can check this link: Xi'an weather in December.
In January, Xi'an experiences its coldest weather of the year, distinctly different from the milder and more temperate months. With temperatures plunging to gripping lows, the city can feel quite harsh, characterized by an average chill that can dip into deep negatives. The low humidity of 84% combined with minimal precipitation makes the atmosphere feel even colder, contrasting sharply with the more humid summers when rain is more frequent. This frigid spell, marked by only a single day of precipitation, sets January apart as a month best suited for those who enjoy winter's serene beauty. For a deeper dive into Xi'an's weather nuances throughout the year, check out Xi'an Climate.