Shanghai is typically chill in December.

Maximum temperatures go down compared to the previous month from +63°F to +52°F. The minimum temperature also goes down from +50°F to +39°F.

Pack a jumper and a jacket as there will be cooler temperatures.

December is one of the coolest months in Shanghai, here is the comparison with other months:

December weather is still as good as in November. It’s getting colder in December. From +63°F in the day, the average maximum temperature lowers to +52°F. As December arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 55 mm to 37 mm. It feels drier, as humidity decreases from 72% to 70%. The average wind speed doesn’t change much during December, staying around 2 m/s. The good news is there are likely to be more sunny days in December, from 13 to 15.

January brings much the same weather, it remains good.

December is one of the snowiest months in Shanghai.

Here’s how December is compared with other months in the amount of snow, total mm:

The climate in Shanghai in December has not changed that much over the last 43 years.

The average temperature was the lowest in 1980 (+65°F) and the highest in 2016 (+72°F). The driest year was 2003 with only 716 mm of rainfall, and the wettest year was 2023 with 3129 mm.

For this page, we’ve looked at the typical weather in Shanghai, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.