Climate and monthly weather forecastChangchun, China

The climate of Changchun

Changchun, China finds its place under the umbrella of the Köppen Climate Classification Dwa reflecting a Humid Continental climate characterized by a severe dry winter and a hot summer. The city, geographically positioned in the northeast of China, experiences a wide range of temperature fluctuations throughout the year with cold winters and warm summers underpinning the climate story.

Weather conditions in Changchun demonstrate significant seasonal variations. Temperatures range from a low of -19.9°C (-3.8°F) in winter to a high of 27.6°C (81.7°F) in summer, presenting an expansive gradient. Humidity, fluctuating from 49% to 79%, also contributes to the seasonal changes. Rainfall distribution exhibits sharp contrasts from a mere 3mm (0.12") in the arid winter months to a substantial 161mm (6.34") during the wet summer peak.

The driest month, with only 3mm (0.12") of average rainfall, is typically January, whereas July showcases heavy precipitation. Throughout the year, the city enjoys varied daylight durations from 9 hours per day in the winter months to over 15 hours during summer, complementing the dynamic weather profile of Changchun.

The best time to visit Changchun

The period from May to September is arguably the most favorable for a visit to Changchun, with temperatures comfortably settled between 21.4°C (70.5°F) and 26.4°C (79.5°F). A consistent increase in daylight hours, reaching a maximum of 15.4 hours in June, and sunshine duration peaking at 8.4 hours in May ensures adequate sunlight for sightseeing endeavors. Despite high levels of rainfall during June to August, the humidity conditions are still bearable compared to other regions.

The worst time to visit Changchun

Winter, extending from December to February, is often viewed as the least welcoming time of the year in Changchun. During this period, the city grapples with extreme cold conditions, with temperatures plummeting as low as -19.9°C (-3.8°F) and barely rising above -6.6°C (20.1°F). The accompanying frosty conditions and limited daylight hours (around 9 hours per day) make outdoor activities less appealing.

Spring weather in Changchun

In Changchun, spring unfurls from March to May, featuring a gradual ascent in the average temperature from -5°C (23°F) to 21.4°C (70.5°F). Rainfall begins to increase, averaging 12mm (0.47") to 50mm (1.97") along with a decline in the relative humidity from 61% to 51%. Increased daylight hours and longer sunshine durations mark the advent of the spring season, making it an exceptional time for exploration and recreation.

Summer weather in Changchun

Summer in Changchun, from June to August, is characterized by warm weather with temperatures spanning from 26.1°C (79°F) to 27.6°C (81.7°F). These months receive the highest rainfall, peaking at 161mm (6.34") in July and high relative humidity, reaching up to 79% in August. Despite the heightened precipitation levels, longer daylight hours (up to 15.4 hours) and generous sunshine hours (averaging 8.3 hours) enhance the vibrancy of the summer season.

Autumn weather in Changchun

Autumn envelops Changchun from September to November. During these months, the temperature drops from 21.3°C (70.3°F) to 1.7°C (35.1°F). The rainfall reduces significantly from 52mm (2.05") in September to 10mm (0.39") in November. However, the daylight hours decrease from 12.5 to 9.7 while the sunshine duration reduces to an average of 5.8 hours by November.

Winter weather in Changchun

The winter season in Changchun spans from December to February and is characterized by freezing temperatures scaling from -9.8°C (14.4°F) down to -19.9°C (-3.8°F). These cold months witness low rainfall levels, barely crossing 5mm (0.2"). Accompanied by shorter daylight durations and reduced sunshine hours, the heart of winter presents an immense contrast to the other seasons.

Weather in January

Changchun kicks off the year with its most chilling weather when average temperatures reach the extremity of -9.8°C (14.4°F) as high and -19.9°C (-3.8°F) at the low. January also sets the stage for sparkling snowfall, turning the city into a winter wonderland. Weather in January »

Weather in February

The freeze in Changchun gradually loosens its grip as February arrives with slightly elevated temperatures compared to January. February experiences more daylight hours than the previous month, brightening up the city landscape substantially. Weather in February »

Weather in March

With the transition from winter to spring, March acquaints Changchun with a noticeable change in the weather spectrum. The increase in temperature welcomes the onset of the thawing season. The daylight hours have risen to 11.9 hours, enabling ample sunshine to grace the city. Weather in March »

Weather in April

April in Changchun springs into life with flourishing greenery, as the weather transitions firmly into the milder spring season. The month experiences more rainfall without the severity of the winter chill. There's an average UV index value of 5, signalling the time when sunlight starts to get stronger. Weather in April »

Weather in May

May marks the beginning of a sun-filled period in Changchun as temperatures climb and the city basks in more sunlight. Green landscapes are refreshed as May rainfall with an average precipitation of 50mm (1.97") nourishes the environment. Weather in May »

Weather in June

June ushers in the summer heat in Changchun as the weather leans towards warm and humid conditions. A surge in precipitation reaching 100mm (3.94"), the highest compared to all previous months, encapsulates the rainy macronature of this period. Weather in June »

Weather in July

July deals with Changchun's soaring temperature, marking it as the peak of the city's summer heat. Rainfall continues with a still higher average precipitation of 161mm (6.34"), extending the monsoon phenomenon beyond June. The longest daylight duration is made evident in July, leading to a significant increase in the city's UV index to 8. Weather in July »

Weather in August

August in Changchun comes with a slight drop in maximum temperatures compared to July, bringing some relief to the residents. Downpour remains consistent, following a pattern similar to the previous month, with accumulated rain measuring 122mm (4.8"). Weather in August »

Weather in September

September exhibits a shift towards autumn as Changchun bids farewell to the intense heat of summer. The weather transitions from the sweltering summer towards a milder, more temperate climate. Temperatures cool down gradually, and rainfall amounts decrease to 52mm (2.05"), heralding the departure of the monsoons. Weather in September »

Weather in October

October showcases the quintessence of autumn in Changchun. The weather fosters vibrant fall colours throughout the city. With significantly reduced precipitation and a noticeable drop in temperature, the weather signals the approaching winter. Weather in October »

Weather in November

Changchun in November experiences a perceptible plunge in temperatures, reminiscent of the cusp of winter. A drop in temperature is apparent, with highs reaching only 1.7°C (35.1°F) and lows plummeting to -7.8°C (18°F). Cast in a chill, the city sees a decrease in daylight duration and a fall in UV index to 1, marking the departure of autumn. Weather in November »

Weather in December

December possesses the quintessential chill of Changchun’s winter. The city landscapes transform under the influence of the year's coldest temperatures, matched by an equal chill factor. With reduced daylight hours and low UV index, winter truly asserts its presence in the city. Weather in December »