Last updated: August 21, 2025
In October, Changchun experiences a dramatic shift in weather, marked by a maximum temperature of 26°C (78°F) during the day, while the average hovers around a brisk 5°C (41°F), dipping to a chilly minimum of -9°C (16°F) at night. The month brings a modest precipitation total of 22 mm (0.9 in) spread over just 4 days, contributing to the city’s overall 80% humidity. As autumn deepens, residents can expect a blend of comfortable warm days and crisp, cooler nights, making this a unique time to experience the seasonal charm of Changchun.
As October arrives in Changchun, China, the city begins to transition from the fleeting warmth of autumn to the chill of winter. Temperatures start to dip, with the average hovering around 5°C (41°F), while nighttime lows can plummet to -9°C (16°F). However, despite these cooling trends, the max temperature can still reach a pleasant 26°C (78°F), providing a brief opportunity for outdoor activities. This juxtaposition of brisk mornings and milder afternoons makes October a unique month, blending the remnants of a warm season with the approaching cold, setting the stage for the more severe winter temperatures that follow in November and December.
In October, Changchun experiences a notable shift in precipitation patterns, with 22 mm (0.9 in) of rainfall spread across 4 days. This marks a transition from the peak summer months, where July and August see the highest totals, to a more moderate autumn climate. While the fall brings decreased precipitation compared to the previous months, it represents a consistent trend of diminishing rainfall as the region moves towards winter. The October rains add a crispness to the air, contributing to the vibrant autumn scenery, as leaves transform into a tapestry of colors. Despite the lower totals, the occasional downpour is a reminder of the seasonal changes ahead, highlighting the balance of nature as Changchun prepares for the colder months.
As October arrives in Changchun, China, the city experiences a noticeable shift in humidity levels, settling at a comfortable 80%. This marks a decrease from the sweltering heights of summer, where humidity peaks at 87% in August and remains high through September. Following the intense humidity of mid-year, October's levels provide a refreshing change, falling closer to the more temperate figures seen in the spring months. Notably, October's humidity is higher than that of the upcoming winter months, underscoring a transition as the air begins to dry out, with November and December plummeting to 61% and 60%, respectively. Overall, October serves as a bridge between the sticky summer turmoil and the crisp, dry air of winter, making it a unique and inviting time in Changchun.
In October, Changchun experiences a moderate UV Index of 4, allowing for a safer outdoor experience with a burn time of 30 minutes. As the year transitions from the scorching summer months with high indices peaking at 9 in July and August, October offers a welcome relief while still requiring sun protection during peak hours. As we look back at the monthly trends, it's clear that Changchun's UV Index rises steadily from the low levels in winter, reaching its peak in summer, and gradually declining again as autumn sets in. For detailed insights into UV levels throughout the year, check out Changchun UV Index.
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As October unfolds in Changchun, the city enjoys 259 hours of sunshine, a notable transition as it shifts from the sun-drenched days of summer to the cooler embrace of autumn. This month reflects a dip from the peak sunshine experienced in July, which boasts an impressive 343 hours, but remains consistently brighter than the winter months ahead, such as November and December that average around 220 to 228 hours. Interestingly, October’s sunshine hours mirror a balanced serenade of light, aligning closely with the months preceding it. The steady trend of decreasing sunlight resonates with the upcoming hibernation of nature, but still offers a warm invitation for outdoor strolls among the vibrant fall foliage.
In Changchun, China, the likelihood of sunny weather in October stands at an encouraging 65%, making it one of the sunniest months of the year. This notable spike in sunshine contrasts sharply with the summer months, where the chance plummets to 30% in July and 36% in August. As we transition from the warmth of summer into autumn, October emerges as a bright spot, with only November and December offering slightly higher odds for sunlight at 40% and 70%, respectively. Therefore, October serves as a delightful window for enjoying the outdoors, inviting residents and visitors alike to bask in its sunshine before the furrows of winter set in.
As October arrives in Changchun, China, daylight begins to wane, offering around 10 hours of sunlight—a notable decline from the peak of 15 hours enjoyed during the summer months. This gradual transition from warmer to cooler days is a continuation of the trend observed from May through September, where longer days gradually shorted until they mirror the more subdued light of winter. The crisp autumn air complements the shift, inviting residents to embrace the rich tapestry of fall scenery while adjusting to the rhythmic ebb and flow of daylight that marks the changing seasons. With each passing month, the cycle continues, reminding us of nature's reliable patterns.
As October sweeps into Changchun, the city experiences a refreshing breeze with an average wind speed of 3.5 m/s (8 mph), mirroring the winds of November. This uptick in wind compares favorably to the calmer summer months, where July and August recorded the year’s lowest averages of 2.8 m/s (6 mph). Gradually increasing from early spring's gentle 4.0 m/s (9 mph) in April, the winds during October signal a transition, reminiscent of the brisk breezes that usher in the cool embrace of autumn. With this slight increase, Changchun’s October winds invite both a sense of change and the promise of vibrant seasonal beauty.
Weather in Changchun varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Changchun, focusing on differences in temperature, rainfall, humidity, and UV levels.
October and January present stark contrasts in weather conditions. In October, temperatures range from a chilly -9°C (16°F) to a pleasant max of 26°C (78°F), with an average of 5°C (41°F) and relatively high humidity at 80%. Precipitation occurs on about 4 days, accumulating to 22 mm (0.9 in). Conversely, January is characterized by much harsher conditions, with temperatures plummeting to a minimum of -37°C (-35°F) and an average of -20°C (-3°F), reaching a maximum of only -3°C (26°F). The precipitation is significantly lower, at just 4 mm (0.1 in), and it usually does not rain, with no recorded rainy days and humidity slightly lower at 75%. For more details on January's weather, check the link: Changchun weather in January.
October and February present strikingly different weather conditions. In October, temperatures can range from a chilly -9°C (16°F) at night to a pleasant 26°C (78°F) during the day, with an average temperature of 5°C (41°F). The month sees around 22 mm (0.9 in) of precipitation over approximately four days, accompanied by a humidity level of 80%. In contrast, February is significantly colder, with temperatures dropping to a minimum of -35°C (-30°F) and averaging -15°C (5°F), peaking at just 8°C (47°F). Precipitation is sparse, with only 5 mm (0.2 in) expected over a single day, and humidity is slightly lower at 70%. This stark comparison highlights the transition from the mild autumn days of October to the frigid depths of winter in February, as detailed further in Changchun weather in February.
In October, the weather is much milder, featuring an average temperature of 5°C (41°F) with highs reaching up to 26°C (78°F), while experiencing relatively high humidity at 80%. With about 22 mm (0.9 in) of precipitation over four days, the month tends to be a transition into cooler months. In contrast, March is significantly colder, with average temperatures dipping to -3°C (27°F) and nighttime lows plummeting to -26°C (-14°F). Despite the chill, precipitation is lower at 12 mm (0.5 in) over just two days, and humidity is noticeably drier at 63%. For a more detailed look at the conditions during this month, you can check Changchun weather in March.
In comparing the weather between October and April, both months exhibit a similar range in maximum temperatures, reaching up to 26°C (78°F in October and 80°F in April). However, October typically features a slightly lower average temperature, around 5°C (41°F), compared to April's 6°C (44°F). Notably, April has a higher precipitation level of 32 mm (1.3 in) compared to October's 22 mm (0.9 in), despite both months experiencing rain on four days. Humidity levels are also different, with October being more humid at 80%, while April has a lower humidity at 59%. For more details on April weather, you can visit Changchun weather in April.
October and May present contrasting weather patterns. In October, temperatures range from a chilly -9°C (16°F) to a pleasant maximum of 26°C (78°F), with an average of 5°C (41°F). The month sees about 22 mm (0.9 in) of precipitation over 4 days and a high humidity level of 80%. In comparison, May offers milder conditions, with temperatures fluctuating between -2°C (29°F) and a warm maximum of 32°C (89°F) and an average of 14°C (58°F). This month experiences more rainfall, totaling 43 mm (1.7 in) across 7 days, but has lower humidity at 61%. For more detailed insights into the weather in May, visit Changchun weather in May.
October in Changchun experiences a significant drop in temperatures compared to June, with minimums reaching as low as -9°C (16°F) and average highs around 26°C (78°F). The month has a relatively low precipitation level of 22 mm (0.9 in) over about four days, paired with an 80% humidity. In contrast, June is far warmer, showcasing a minimum temperature of 6°C (43°F) and averaging 19°C (67°F), with maximums soaring up to 36°C (98°F). It also sees much more rainfall—approximately 116 mm (4.6 in) spread over 15 days—while maintaining a similar humidity level of 79%. For more detailed information, you can refer to Changchun weather in June.
Comparing the weather in October and July reveals a significant contrast in temperature and precipitation. In October, temperatures range from a minimum of -9°C (16°F) to a maximum of 26°C (78°F), with an average of 5°C (41°F), while July boasts much warmer temperatures, with a minimum of 12°C (55°F), an average of 23°C (74°F), and a maximum reaching 35°C (95°F). Additionally, October experiences considerably less precipitation, with 22 mm (0.9 in) over just 4 days, compared to July's 148 mm (5.8 in) over 15 days. The humidity levels are fairly similar, at 80% for October and 84% for July, but the overall climate is much more comfortable in the latter month. For more details, check out Changchun weather in July.
Comparing October and August weather, October tends to be much cooler, with average temperatures around 5°C (41°F), compared to the warmer August average of 20°C (68°F). October experiences a wider range of temperatures, from a minimum of -9°C (16°F) to a maximum of 26°C (78°F), while August has milder extremes, with temperatures ranging from 4°C (40°F) to 30°C (87°F). Precipitation is notably lower in October, with only 22 mm over 4 days, compared to August’s significant rainfall of 170 mm spread over 17 days. Additionally, humidity is slightly more pronounced in August at 87%, compared to October’s 80%. For more detailed August weather insights, you can visit Changchun weather in August.
In comparing the weather between September and October, October typically presents cooler temperatures, with a minimum of -9°C (16°F) and an average of 5°C (41°F), contrasting sharply with September’s milder range, which includes a minimum of 0°C (33°F) and an average of 14°C (58°F). While September enjoys a maximum temperature of 29°C (84°F), October's cap reaches 26°C (78°F). Additionally, September experiences significantly higher precipitation at 92 mm (3.6 in) over 11 days, compared to October’s 22 mm (0.9 in) and only 4 days of rain. The humidity remains relatively constant, hovering around 80% in October and 85% in September. For more detailed insights, check out Changchun weather in September.
October and November present a stark contrast in weather conditions. October experiences a wider temperature range, with minimums around -9°C (16°F) and maximums reaching 26°C (78°F), resulting in an average of 5°C (41°F). The month sees moderate precipitation of 22 mm (0.9 in) over 4 days and maintains high humidity at 80%. In comparison, November's temperatures drop significantly, with a minimum of -25°C (-13°F) and an average of -7°C (20°F), peaking at 14°C (57°F). Rainfall is slightly lower at 17 mm (0.7 in) over just 3 days, and humidity decreases to 61%. This transition reflects the shift from autumn's mildness to the onset of winter's chill. For more detailed information, you can visit Changchun weather in November.
October and December present starkly contrasting weather conditions. In October, temperatures can range from a mild minimum of -9°C (16°F) to a pleasant maximum of 26°C (78°F), with an average of 5°C (41°F). The month experiences around 22 mm (0.9 in) of precipitation over four days, contributing to a high humidity level of 80%. In contrast, December plunges into frigid temperatures, with a minimum of -31°C (-24°F) and an average temperature of -18°C (1°F). The maximum temperature barely reaches 5°C (42°F), and the month sees a significant drop in precipitation to just 6 mm (0.2 in) over a single day, accompanied by lower humidity at 60%. For more details, visit Changchun weather in December.
As October unfolds in Changchun, the city transforms into a tapestry of crisp air and cooler temperatures, marking a distinct shift from the warmer months. While summer’s warmth lingers in occasional highs of 26°C (78°F), the average temperature dips significantly, reminiscent of the impending winter chill. This month also welcomes a notable increase in humidity levels, floating around 80%, paired with sporadic rainfall that totals about 22 mm across just four days. These conditions create an invigorating atmosphere, contrasting sharply with the heat of summer and the bone-chilling cold ahead. To explore more about how October fits into the broader context of Changchun's weather patterns, visit Changchun Climate.