January weather forecast
Shanghai, China

The month of January in Shanghai, China is characterized by chilly temperatures and frequent rainfall making it one of the less advisable months to visit the city. With average high only reaching 8.1°C (46.6°F), the city often experiences the coldest temperature during this month. It’s usually a damp morning as the city wakes up with a relative humidity of 74%. Almost 10 days in the month show signs of rainfall accumulating a rainfall total of 74mm (2.91"), creating diverse colors in the urban landscape. Although Shanghai is not at its prettiest in January, one can still appreciate its quiet charm under the cold.

Temperature

January stands out as Shanghai's coldest month, with temperatures ranging between an average high of 8.1°C (46.6°F) and a low of 2.1°C (35.8°F).

Humidity

In January, the average relative humidity is 74%.

Rainfall

In Shanghai, in January, it is raining for 9.9 days, with typically 74mm (2.91") of accumulated precipitation. Throughout the year, there are 120.8 rainfall days, and 1166mm (45.91") of precipitation is accumulated.

Sea temperature

In Shanghai, in January, the average water temperature is 10°C (50°F).
Note: Diving into 10°C (50°F) is practical below 10°C (50°F), given you're wearing protective swim gear; without it, expect a quick onset of cold shock and a struggle to breathe. Merely touching waters at 13°C (55.4°F) feels ice-cold.

Daylight

The average length of the day in January in Shanghai is 10h and 23min.
On the first day of the month, sunrise is at 06:52 and sunset at 17:01. On the last day of January, sunrise is at 06:47 and sunset at 17:27 CST.

Sunshine

With an average of 3.7h of sunshine, January has the least sunshine of the year in Shanghai.

UV index

In January, the average daily maximum UV index in Shanghai is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: A daily high UV index of 4 in January leads to these guidelines:
Be vigilant - Preventing sunburn is recommended. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.