Last updated: August 21, 2025
In January, Ya'an, China, experiences a chilly climate characterized by a maximum temperature of 15°C (60°F) and an average of 5°C (41°F), dropping to a minimum of -4°C (25°F). The month is marked by considerable precipitation, accumulating around 50 mm (2.0 in) over 15 days, contributing to the region's high humidity levels of 86%. This combination creates a damp atmosphere, ideal for enjoying the lush landscapes that Ya'an is renowned for, despite the brisk winter chill. Whether you're exploring local scenery or seeking shelter from the rain, January in Ya'an offers a unique experience shaped by its winter climate.
In January, Ya'an, China experiences its winter chill, with temperatures ranging from a brisk -4°C (25°F) at night to a mild 15°C (60°F) during the day. The average temperature of 5°C (41°F) signifies the onset of the cold season, marking a stark contrast to the milder conditions approaching in February. As the month progresses, temperatures begin to rise slightly, hinting at the transition towards spring. Despite its cold snaps, January serves as a beautiful backdrop for stunning winter landscapes, preparing the ground for the warmth and vibrant colors that come with the following months. The gradual shift from icy nights to more temperate days suggests an impending end to winter, promising both renewal and invigorating changes in the environment.
In January, Ya'an, China, experiences a relatively mild start to the year with precipitation of 50 mm (2.0 in) over approximately 15 days. This early winter rain sets the stage for an upward trend in rainfall as the months progress, culminating in the region's wettest season from July to August, when precipitation peaks dramatically at 381 mm (15.0 in) over 24 days. The gradual increase—from 60 mm in February to 152 mm in June—reflects a transitional climate, while the heavy rains of summer hint at the region's monsoonal influences. As the year wraps up, precipitation recedes again, averaging 70 mm in November and 61 mm in December, showcasing Ya'an's typical climatic rhythm of wet and dry seasons. Such patterns not only reveal the significant variability in monthly rainfall but also illustrate the rich ecological tapestry supported by this precipitation.
In January, the humidity in Ya'an, China, is notably high at 86%, setting the tone for a generally humid winter season. This level slightly increases in February to 87%, continuing a trend of elevated moisture levels. As spring approaches, the humidity dips to 78% in March, marking a brief respite before it stabilizes around the low 80s in April. Interestingly, the summer months see a significant rise, peaking in August at 91%, and remaining high through September and October. The trend continues into late fall, with November and December retaining humidity levels above 87%. Overall, Ya'an experiences a distinctly humid climate year-round, punctuated by slightly drier months in early spring.
In January, Ya'an, China, experiences a moderate UV Index of 5, which indicates a safe level for outdoor activities with a burn time of 30 minutes. As the year progresses, this value climbs significantly, peaking at 13 during the summer months (May to July), where the UV exposure reaches an extreme level, reducing burn time to just 10 minutes. Notably, February and March also report very high UV indices of 8 and 10, respectively, emphasizing a trend of increasing sun intensity leading into spring. Even as the year transitions to the cooler months of October through December, the UV Index remains noteworthy, particularly in October at 9, before reverting to 5 come December. This data underscores the importance of sun protection throughout the year, especially during the more intense periods. For a comprehensive look at UV Index trends, visit Ya'an UV Index.
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In Ya'an, China, January welcomes the year with 228 hours of sunshine, setting a bright tone for the months ahead. As winter gives way to spring, the days grow sunnier, peaking in March with 288 hours of sun, making it the sunniest month of the year. Following this peak, sunshine hours begin to moderate, with April and May offering a pleasant 264 and 273 hours, respectively. The summer months sustain a warm glow, particularly in July when the sun graces Ya'an for 281 hours. However, as autumn arrives, the sunshine starts to wane, dipping to 208 hours in September and further to 192 hours in October, reflecting the gradual shift toward the colder months. Interestingly, the year rounds out with November and December offering a revival of sunlight, showcasing 243 and 265 hours respectively, as if to bid farewell to the year with a gentle embrace of warmth. This seasonal dance of sunlight not only paints the landscape but also sets a serene rhythm for life in Ya'an throughout the year.
In Ya'an, China, January brings a relatively promising 35% chance of sunny weather, marking it as the brightest month in the first half of the year. This optimism sharply contrasts with the following months, where the likelihood of sunshine dips significantly; February sees a decline to 29%, and the chances plummet even further into the spring with just 19% in March and a mere 14% in both April and May. The trend of diminishing sunshine continues through the summer and into autumn, hitting a low of 7% in October before gradually rising again in November and December. Thus, if you seek the sun, January is your best opportunity to bask in some golden rays before Ya'an's cloudier months take over.
In January, Ya'an, China welcomes the year with approximately 10 hours of daylight, a gentle reminder of the fading winter sunlight. As February rolls in, the days stretch slightly longer, reaching 11 hours, and that trend continues into March. By April, the city basks in 12 hours of brightness, signaling the approach of spring. The daylight duration peaks in June at an impressive 14 hours, inviting residents to enjoy the longer days of summer. However, come July and August, the daylight begins to wane, settling back to 13 hours. As autumn sets in, the daylight gradually decreases to 12 hours in September and 11 hours by October. Finally, December ushers in the year-end with a return to 10 hours of daylight, closing the cycle and setting the stage for another seasonal shift. This pattern illustrates a rhythmic dance of light throughout the year, reflecting the changing seasons in this beautiful region.
In January, the wind in Ya'an, China gently caresses the landscape with an average speed of 1.2 m/s (3 mph), setting a tranquil tone for the month. This calming breeze is consistent with February and March, which maintain the same light airflow, offering a whisper of freshness as spring approaches. As the seasons transition into warmer months, the wind speed remains relatively stable, fluctuating slightly but consistently staying around 1.1 to 1.3 m/s (2-3 mph). By the time July through September arrive, the breezes become particularly gentle, dropping to 1.1 m/s (2 mph). Interestingly, the wind picks up again slightly in October and maintains a steady pace through the rest of the year, illustrating a rhythmic pattern that enhances Ya'an's serene winter ambiance and its lush, verdant surroundings.
Weather in Ya'an varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Ya'an, focusing on differences in temperature, rainfall, humidity, and UV levels.
In January, temperatures in Ya'an range from a minimum of -4°C (25°F) to a maximum of 15°C (60°F), with an average temperature of 5°C (41°F). The month experiences around 50 mm (2.0 in) of precipitation over about 15 days, alongside a high humidity level of 86%. In contrast, February sees slightly milder conditions, with temperatures varying from a minimum of -2°C (28°F) to a maximum of 21°C (70°F), and an average of 7°C (45°F). Precipitation increases to 60 mm (2.4 in) across 14 days, while humidity remains close at 87%. For more information, you can check Ya'an weather in February.
January brings chilly temperatures, with daily averages hovering around 5°C (41°F) and lows dipping to -4°C (25°F). The month is characterized by a decent amount of precipitation, totaling 50 mm (2.0 in) across about 15 days, and a high humidity level of 86%.
In contrast, March sees a significant warm-up, with averages rising to 12°C (54°F) and maximum temperatures reaching up to 26°C (80°F). Precipitation increases to 79 mm (3.1 in) over 19 days, but humidity drops slightly to 78%. This shift not only signifies the transition from winter to spring but also reveals a more vibrant and temperate climate. For more detailed information, you can check Ya'an weather in March.
In January, the weather is quite chilly, with temperatures ranging from a minimum of -4°C (25°F) to a mild maximum of 15°C (60°F), and an average of 5°C (41°F). The humidity is relatively high at 86%, and there are about 15 days of precipitation, totaling 50 mm (2.0 in). In contrast, April brings a significant warming trend, with temperatures starting at a minimum of 6°C (43°F) and reaching up to 29°C (85°F), with an average temperature of 16°C (60°F). While April sees more rainfall at 149 mm (5.9 in) over 19 days, the humidity is slightly lower at 80%. For more details, you can check Ya'an weather in April.
In January, the weather in Ya'an is quite cold and damp, with temperatures ranging from a minimum of -4°C (25°F) to a maximum of 15°C (60°F) and an average of 5°C (41°F). The month sees significant precipitation, totaling 50 mm (2.0 in) over approximately 15 days, contributing to high humidity levels at 86%. In contrast, by May, the climate shifts dramatically; temperatures rise significantly, averaging 19°C (66°F) with a minimum of 8°C (47°F) and a maximum reaching up to 30°C (86°F). Although May experiences even more rain, with precipitation totaling 151 mm (6.0 in) over 18 days, the warmth and increased humidity of 87% create a very different atmosphere. For more specific details about May weather, check Ya'an weather in May.
January and June present contrasting weather conditions. In January, temperatures range from a chilly -4°C (25°F) at night to a mild 15°C (60°F) during the day, with an average of 5°C (41°F). The month typically sees around 50 mm (2.0 in) of precipitation spread over 15 days, and humidity levels are high at 86%. In stark contrast, June boasts significantly warmer temperatures, with a minimum of 13°C (55°F) and a maximum reaching 32°C (89°F), averaging 22°C (71°F). The humidity rises slightly to 89%, and rainfall is more abundant, totaling 152 mm (6.0 in) over 19 days. For more detailed information, you can visit Ya'an weather in June.
January weather is characterized by chilly temperatures, averaging around 5°C (41°F), with nighttime lows dropping to -4°C (25°F) and daytime highs peaking at 15°C (60°F). The month experiences about 50 mm (2.0 in) of precipitation over approximately 15 days, coupled with high humidity levels at 86%. In contrast, July brings a dramatic shift to much warmer conditions, with average temperatures rising to 24°C (75°F), and highs reaching up to 34°C (94°F). The summer month witnesses significantly higher rainfall, totaling 259 mm (10.2 in) over 23 days, and maintains a similar humidity level of 89%. For more details on July weather specifics, you can check out Ya'an weather in July.
January and August showcase vastly different weather patterns. In January, temperatures range from a chilly -4°C (25°F) at night to a mild 15°C (60°F) during the day, with an average of 5°C (41°F). The month experiences about 50 mm (2.0 in) of precipitation over 15 days, accompanied by high humidity levels at 86%. In contrast, August brings much warmer temperatures, with nightly lows of 17°C (62°F) and daytime highs reaching up to 34°C (93°F), resulting in an average temperature of 24°C (75°F). This summer month sees significantly more precipitation, totaling 381 mm (15.0 in) over 24 days, and a slightly higher humidity at 91%. For a more detailed look at the weather in August, you can refer to Ya'an weather in August.
January and September present a stark contrast in Ya'an's weather. In January, temperatures range from a chilly -4°C (25°F) at night to a mild 15°C (60°F) during the day, with an average of 5°C (41°F). The month sees about 50 mm (2.0 in) of precipitation over roughly 15 days, coupled with high humidity at 86%. Conversely, September boasts much warmer temperatures, with nighttime lows of 13°C (56°F) and daytime highs reaching 31°C (88°F), averaging around 20°C (69°F). Rainfall is significantly heavier in September, totaling 202 mm (7.9 in) across 22 days, while humidity rises slightly to 91%. For more details, visit Ya'an weather in September.
January and October present quite contrasting weather patterns. In January, temperatures experience a minimum of -4°C (25°F) and an average of 5°C (41°F), with a maximum reaching 15°C (60°F). The month is relatively dry, with 50 mm (2.0 in) of precipitation spread over 15 days and humidity levels at 86%. In contrast, October offers milder temperatures, with a minimum of 9°C (48°F), an average of 15°C (59°F), and a maximum of 27°C (82°F). However, it is significantly wetter, yielding 151 mm (5.9 in) of rainfall over 26 days and slightly higher humidity at 90%. For more details, check Ya'an weather in October.
In January, the weather is quite chilly, with minimum temperatures dropping to -4°C (25°F) and an average of 5°C (41°F), while the maximum reaches up to 15°C (60°F). In contrast, November experiences a milder climate, where temperatures range from a minimum of 2°C (36°F) to a comfortable maximum of 22°C (72°F), averaging 11°C (51°F). Both months witness significant precipitation, with January receiving 50 mm (2.0 in) over about 15 days and November seeing slightly more at 70 mm (2.8 in) across 17 days. Additionally, humidity levels are higher in November at 91%, compared to January's 86%. For more details on November's weather, you can visit Ya'an weather in November.
In comparing the weather of January and December, both months exhibit relatively mild temperatures, with January averaging around 5°C (41°F) and December slightly warmer at 6°C (43°F). The minimum temperatures in January dip to -4°C (25°F), while December's lows are a bit colder at -5°C (24°F). Precipitation levels are also similar, with January receiving 50 mm (2.0 in) over approximately 15 days compared to December's 61 mm (2.4 in) over 16 days. Humidity remains high in both months, with January at 86% and December at 87%. For more specific details on December weather, you can visit Ya'an weather in December.
As January envelops Ya'an in its chill, the weather significantly shifts from the milder months that precede it. With afternoon highs only reaching around 15°C and nighttime lows plunging to -4°C, this month stands out as one of the coldest of the year. The air is marked by a notable humidity of 86% and frequent precipitation, with about 15 wet days contributing to the overall moisture. Compared to the warmer and drier conditions experienced in other seasons, January presents a unique climate that calls for preparation and adaptation. For further insights into what to expect throughout the year, explore the detailed overview at Ya'an Climate.