Last updated: August 21, 2025
January in Chongqing, China, presents a varied climate, with maximum temperatures reaching 17°C (63°F) while the average hovers around 9°C (48°F). The month can be quite chilly at night, with temperatures dropping to a minimum of -2°C (29°F). Rainfall is moderate, accumulating to about 26 mm (1.0 in) over approximately 6 days, contributing to the city's characteristic 72% humidity. Visitors can expect a blend of crisp winter air interspersed with light showers, making January a unique month for exploring Chongqing's enchanting scenery.
In Chongqing, January marks the onset of winter, with temperatures typically ranging from a chilly -2°C (29°F) at night to a pleasant 17°C (63°F) during the day. The average temperature hovers around 9°C (48°F), indicating a cooler climate that paves the way for warmer days ahead. As the month progresses into February, a noticeable rise in temperatures occurs, with evenings growing milder and daytime highs potentially reaching 27°C (81°F). This gradual warming trend continues into the spring months, where March and April experience further increases, signaling a shift towards the balmy heat of summer by May. Overall, January serves as a pivotal month that not only introduces colder weather patterns but also sets the stage for the warmer, vibrant seasons to follow in this bustling city.
In January, Chongqing, China experiences a relatively low precipitation of 26 mm (1.0 in) over approximately 6 days, marking one of the driest months of the year. This sets the stage for a noteworthy trend, as rainfall starts to intensify in February, increasing to 35 mm (1.4 in) with 7 rainy days, and continues to rise sharply in the spring. By March, precipitation more than doubles to 83 mm (3.3 in), signaling the onset of the wet season as the number of rainy days increases significantly. The pattern of escalating rainfall peaks in May with a substantial 169 mm (6.6 in), showcasing Chongqing's transition into a moist and vibrant summer. This trend underscores a clear seasonal shift from January's relative dryness to the heavier, more consistent rains of late spring and summer.
In January, Chongqing experiences a humidity level of 72%, marking the beginning of a trend towards increasingly humid conditions as the year progresses. By February, humidity climbs to 76%, and this gradual rise continues through the spring months, peaking at 80% in March. As the summer approaches, humidity levels soar, reaching an impressive 85% in both June and July, and hitting 87% in August. This peak is followed by a slight decline in September at 84%, but the overall trend remains high through the fall, hovering around 81% in October and remaining relatively elevated at 86% in November. By the timeDecember arrives, the humidity settles back to 81%, completing a cycle characterized by sustained moisture. This pattern highlights Chongqing's distinct climate, where humidity steadily increases, culminating in the warm, muggy summers for which the region is known.
In January, Chongqing experiences a moderate UV Index of 5, indicating that while sun exposure is not particularly hazardous, caution is advised, especially for prolonged outdoor activities. With a burn time of 30 minutes, it’s advisable to seek shade or wear sunscreen if you're outside for extended periods. As the months progress, the UV Index rises sharply, peaking at 11 in May through August, where the exposure categorizes into extreme, significantly reducing safe sun exposure time to just 10 minutes. This upward trend underscores the need for protective measures during the late spring and summer months, making it essential to stay informed about the changing UV conditions throughout the year. For a detailed monthly breakdown, you can check the Chongqing UV Index.
UV Risk Categories
January in Chongqing may seem a bit shy with just 114 hours of sunshine, but as the new year unfolds, the city's sun-soaked days gradually increase. By February, the hours jump to 162, signaling the start of a brighter season. The transition continues as winter gives way to spring, with March bringing 199 hours and April reaching 220 hours of delightful sunshine. As we progress towards summer, daylight peaks in July with an impressive 298 hours, making it the sunniest month. However, the trend shifts slightly as autumn approaches, with September still basking in 224 hours, before dropping to 145 hours in October and continuing the decline through the year's end. This journey of sunlight illustrates not just the seasonal changes in Chongqing, but also the gradual transition from winter's chill to summer's warmth, capturing the essence of the region's climate.
In January, Chongqing enjoys a 31% chance of sunny weather, making it the peak month for sunshine during the winter season. This promising start to the year contrasts sharply with April and June, where the likelihood of sun dips to 14% and 12%, respectively. Interestingly, January’s sunny prospects align with summer months like July, which also boasts a 31% chance of sunshine. However, as spring rolls in, the overall likelihood of sun decreases, with March showing a drop to 27%. Thus, in the heart of winter, January stands out as a bright beacon of hope for those seeking sunny days in Chongqing.
In January, Chongqing enjoys around 10 hours of daylight, marking the start of a gradual increase as the year progresses. As February unfolds, daylight extends to 11 hours, and this pattern continues through March, maintaining the same amount of sunlight. The arrival of April brings a notable shift, with daylight increasing to 12 hours, indicating the approach of spring. This trend continues into the vibrant months of May and June, where daylight peaks at 13 hours, providing plenty of time for outdoor activities. As summer fades, daylight hours slowly diminish; by September, sunlight drops to 12 hours, and then back to 11 hours in October. As the year closes out, both November and December return to 10 hours of daylight, bringing the cycle full circle as Chongqing embraces its seasonal rhythms.
In January, the gentle breeze begins the year in Chongqing with an average wind speed of 1.5 m/s (3 mph), setting a tranquil tone as the city transitions from the chill of winter. This soft wind is slightly calmer than the February gusts, which see a minor increase to 1.6 m/s (4 mph), hinting at the approaching spring. As the months progress into March and April, winds pick up, reaching 1.8 m/s (4 mph) before settling back to similar speeds later in the spring. Interestingly, during the summer months, wind speeds diminish slightly, with July recording the lowest at 1.4 m/s (3 mph), suggesting a stillness that often accompanies the heat. However, as September ushers in a shift, wind speeds climb back to 1.9 m/s (4 mph), reflecting the refreshing changes of autumn. Overall, while January starts off with gentle winds, a gradual ebb and flow characterize the wind patterns throughout the year, celebrating seasonal transitions while maintaining a relatively mild breeze.
Weather in Chongqing varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Chongqing, focusing on differences in temperature, rainfall, humidity, and UV levels.
In January, the weather tends to be cooler with temperatures ranging from a minimum of -2°C (29°F) to a maximum of 17°C (63°F) and an average of 9°C (48°F). This month experiences about 26 mm (1.0 in) of precipitation over 6 days, accompanied by a humidity level of 72%. In contrast, February brings slightly warmer conditions, with temperatures ranging from a minimum of 1°C (35°F) to a maximum of 27°C (81°F) and an average of 10°C (51°F). Precipitation increases to 35 mm (1.4 in) over 7 days, while humidity rises to 76%. For more detailed insights on February's climate, you can visit Chongqing weather in February.
In January, the weather is considerably cooler, with temperatures ranging from a minimum of -2°C (29°F) to a maximum of 17°C (63°F), resulting in an average of 9°C (48°F). This month experiences about 26 mm of precipitation over six days and has a humidity level of 72%. In contrast, March sees a significant rise in temperatures, with minimums around 7°C (44°F) and maximums soaring to 33°C (92°F), yielding an average temperature of 15°C (60°F). However, March also brings more rain, with 83 mm of precipitation occurring over 14 days and a higher humidity level of 80%. For more details on March weather patterns, check out Chongqing weather in March.
January and April exhibit a stark contrast in weather conditions. In January, temperatures range from a chilly minimum of -2°C (29°F) to a mild average of 9°C (48°F), reaching a maximum of 17°C (63°F). The month sees relatively low precipitation at 26 mm (1.0 in) over 6 days, and humidity levels average around 72%. In contrast, April brings much warmer weather, with temperatures starting at a minimum of 9°C (48°F) and soaring to an average of 19°C (67°F) and a peak of 36°C (97°F). However, this increase in temperature is accompanied by a significant rise in precipitation, totaling 115 mm (4.5 in) across 15 days, and a slight increase in humidity to 77%. For more details on weather patterns during this month, check Chongqing weather in April.
January weather in Chongqing is quite chilly, with temperatures ranging from a minimum of -2°C (29°F) to a maximum of 17°C (63°F), and an average of 9°C (48°F). During this month, the city experiences around 26 mm (1.0 in) of precipitation over about 6 days, with humidity levels at 72%. In stark contrast, May ushers in significantly warmer conditions, boasting minimum temperatures of 12°C (54°F) and soaring high to a maximum of 37°C (98°F), with an average temperature of 22°C (73°F). However, May also brings higher precipitation, totaling 169 mm (6.6 in) over approximately 18 days, alongside increased humidity at 82%. For more insights on the weather in May, you can check Chongqing weather in May.
January and June present stark contrasts in weather conditions. In January, temperatures typically range from a chilly -2°C (29°F) at night to a mild 17°C (63°F) during the day, with an average of 9°C (48°F). Precipitation is relatively low, with 26 mm (1.0 in) spread over about 6 days and humidity levels around 72%. In sharp contrast, June brings much warmer temperatures, with lows of 17°C (63°F) and highs soaring up to 36°C (97°F), averaging 25°C (78°F). This month also sees increased rainfall, totaling 145 mm (5.7 in) over approximately 17 days, and higher humidity at 85%. For more detailed insights, you can explore Chongqing weather in June.
In January, the weather is characterized by cooler temperatures, with a minimum of -2°C (29°F) and a maximum of 17°C (63°F), averaging around 9°C (48°F). The month sees relatively low precipitation of 26 mm (1.0 in) over just 6 days, along with a humidity level of 72%. In contrast, July brings a significant rise in both temperature and humidity, with minimums reaching 21°C (71°F) and maximums soaring to 41°C (106°F), averaging at a hot 29°C (84°F). This month experiences much higher precipitation at 156 mm (6.1 in) spread over 16 days, accompanied by increased humidity at 85%. For a closer look at July weather specifics, you can check Chongqing weather in July.
In January, the weather is significantly cooler, with temperatures ranging from a minimum of -2°C (29°F) to a maximum of 17°C (63°F) and an average of 9°C (48°F). It experiences relatively low precipitation, totaling 26 mm (1.0 in) over just 6 days, and maintains a humidity level of 72%. In contrast, August boasts much warmer temperatures, with a minimum of 20°C (67°F) and an average high reaching up to 42°C (108°F), resulting in an average temperature of 30°C (86°F). This month sees much higher precipitation, totaling 134 mm (5.3 in) over 14 days, and a higher humidity level of 87%. For more details on the weather in August, you can check out Chongqing weather in August.
January and September present contrasting weather patterns. In January, temperatures range from a chilly -2°C (29°F) to a comfortable 17°C (63°F), with an average of 9°C (48°F). The month experiences relatively low precipitation at 26 mm (1.0 in) over 6 days, and humidity averages 72%. In stark contrast, September sees much warmer temperatures, with lows of 17°C (63°F) and highs soaring to 40°C (103°F), averaging around 24°C (76°F). This month is notably wetter, with 169 mm (6.6 in) of rain spread across 16 days and a higher humidity level of 84%. For more details on September conditions, you can refer to Chongqing weather in September.
January and October present distinctly different climate experiences. In January, temperatures range from a chilly -2°C (29°F) at night to a mild 17°C (63°F) during the day, with an average of 9°C (48°F). The month sees relatively low precipitation at 26 mm (1.0 in) over just 6 days, accompanied by a humidity level of 72%. In contrast, October experiences much warmer temperatures, with nighttime lows of 10°C (50°F) and daytime highs soaring up to 36°C (97°F), resulting in an average of 18°C (66°F). This month is significantly wetter, with 113 mm (4.5 in) of rain spread over 16 days and higher humidity at 81%. For a more detailed look at October weather, you can visit Chongqing weather in October.
In comparing the weather between January and November, January tends to be colder, with temperatures ranging from a minimum of -2°C (29°F) to a maximum of 17°C (63°F) and an average of 9°C (48°F). This month also sees lower humidity at 72% and less precipitation, totaling 26 mm (1.0 in) over about 6 days. In contrast, November is notably milder, featuring temperatures that fluctuate between a minimum of 6°C (43°F) and a maximum of 25°C (78°F), with an average temperature of 14°C (57°F). Humidity levels are higher at 86%, and precipitation is greater, reaching 49 mm (1.9 in) over 9 days. For more details about the weather in November, you can visit Chongqing weather in November.
In comparing the weather between January and December, we see that January typically experiences slightly cooler temperatures, with average daily highs reaching 17°C (63°F), compared to December's 18°C (65°F). While January has a minimum temperature of -2°C (29°F), December starts at a milder 1°C (35°F). Precipitation levels are comparable, with January receiving 26 mm over 6 days and December receiving 28 mm over 7 days. Additionally, humidity is higher in December at 81%, compared to January's 72%. For those interested in more details about December weather in Chongqing, you can find additional information here: Chongqing weather in December.
As January rolls into Chongqing, the city experiences a notable shift in its weather compared to other months. Temperatures drop significantly, hovering around a chilly average that can dip below freezing at night, making it one of the coldest months of the year. With an average humidity of 72%, the air feels heavy and crisp, and although precipitation is relatively low, the occasional rain can add to the wintery atmosphere. This contrasts sharply with the warmer, wetter months, where the weather is more temperate and conducive to outdoor activities. For those looking to understand how these winter conditions shape the city's environment, check out Chongqing Climate for a comprehensive overview.