The coldest month is January with an average low temperature of 1 °C (34 °F). To avoid the heat of summer and the cold of winter, spring (March to May) and autumn (September to November) are the best times to visit Shanghai.
Winter from December to February is quite cold: The average temperature in January is 5 °C (41 °F). There can be cold spells with highs around 5 °C (41 °F) or below, and even snow can occasionally fall. The temperature dropped to -10°C (14°F) in January 1977 and to -7°C (19.5°F) in January 2016.
Nevertheless, almost every year it snows once or twice in winter. They are mainly small to moderate snow or sleet. In general, the snow season in Shanghai occurs between late December and February, especially around Chinese New Year (Spring Festival).
In Shanghai, the summers are hot, oppressive, wet, and mostly cloudy and the winters are very cold, windy, and partly cloudy. Throughout the year, the temperature typically varies between 35°F and 30°F and rarely drops below 27°F or above 36°F.
Winter in Shanghai lasts from December to next February and is characterized by cold north winds and high humidity with an average temperature of around 5℃. The coldest period is from late January to early February, when temperatures in Shanghai can drop below freezing.
Shanghai has a humid, subtropical climate with four distinct seasons. Winters are cold and temperatures sometimes drop below zero. Snow rarely falls. In contrast, the summers are rather hot and humid.
Snowfall in December
December weather in Shanghai is characterized by cloudy skies, heavy rainfall and windy conditions. Snowfall is rarely seen in Shanghai in December. However, when it snows in the city, the snow falls in the form of flurries that melt after a few hours.
The best time to visit Shanghai is from October to November. This short autumn season offers comfortable temperatures and lacks the crowds and rain showers of summer – the peak season for tourism. Winter travelers may encounter chilly weather, making city exploration less pleasant.
In winter (December, January and February) dress warmly, layer up and take a warm coat and scarf, earmuffs and a hat. It’s going to be cold and it’s going to rain, although it rarely snows.
There are four distinct seasons in China; Summer, winter, fall and spring. Autumn and spring are undeniably the best times to visit China as the temperatures are moderate and the weather is glorious as winter begins and summer ends respectively.
China has a climate characterized by dry seasons and wet monsoons, which results in significant temperature differences in winter and summer. In winter northern winds from high latitudes are cold and dry; in summer southerly winds from lower latitude sea areas are warm and humid.
Shanghai Spring (March, April, May)
Spring brings warming days with the beautiful blossoms growing in the city parks, making March to mid-May likely to be one the most beautiful makes the best travel time depending on the weather. It’s raining moderately.
Spring in Shanghai is from March to May. This is the best time of the year to visit. Spring flowers in bloom make the city lively and attractive. The temperature is a comfortable 20 C (68 F).
Summer (June to September) is long, hot and wet. In July and August, temperatures can rise to 35°C. This is a good time to hide out in the air-conditioned malls and shop ’til you drop. Autumn (October to November) is often considered the best time to visit Shanghai.
Although snow does fall in northern China in winter, it is generally a dry season. Beijing averages less than 2 inches of snow each year. Winters can also be windy and the wind blows from Siberia, so layers, down jackets and thermal clothing are a must.
Seoul gets its first snow of the year in late November, but it melts away almost immediately. There is real snow from December to early March, but not that much snow falls in Seoul given the frigid weather. (Seoul is very dry and cold in winter!)
Beijing has very limited snowfall in winter, and the amount of artificial snow used in these games has reached an all-time high of over 90%. The Yanqing National Alpine Ski Center relied almost exclusively on the artificial variant.
Lowest temperature in over 50 years in China’s coldest region, Heilongjiang Province. China’s northeastern province of Heilongjiang reported a record low of minus 49.7 degrees Celsius (-57.46 degrees Fahrenheit) on February 1, 2021. According to state media, this was the coldest day in the region in 50 years.