January weather forecastShanghai, China

The mother River Huangpu dividing the city into two in Shanghai, China

January

Weather in January

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

Shanghai notes the coldest temperatures in January, with a high average 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, the average seawater temperature in January is 10°C (50°F).
Note: One needs to be cautious in 10°C (50°F) waters. 13°C (55.4°F) is already forbidding, but sub-10°C (14°F) can seriously disrupt your breathing and lead to a frigid shock, considering one's well-being.

Daylight

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

Sunshine

The month with the least sunshine is January, with an average of 3.7h of sunshine.

UV index

In Shanghai, the average daily maximum UV index in January is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: A typical high UV index of 4 in January suggests the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun.

Updated: Jun 24, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

January is Shanghai's coldest month, registering average high temperatures of 8.1°C (46.6°F) and lows of 2.1°C (35.8°F).

January temperatures vary between a high-temperature of 8.1°C (46.6°F) and a low-temperature of 2.1°C (35.8°F).

In Shanghai, the average relative humidity in January is 74%.

In Shanghai, in January, during 9.9 rainfall days, 74mm (2.91") of precipitation is typically accumulated.

In Shanghai, in January, the average water temperature is 10°C (50°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

The average day length in January is 10h and 23min.

On the first day of January, sunrise is at 06:52 and sunset at 17:01. On the last day of the month, sunrise is at 06:47 and sunset at 17:27 CST.

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

In Shanghai, the average sunshine duration in January is 3.7h.

The average daily maximum UV index in January is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year January F M A M J J A S O N D

Dec

January

Feb

Average high temperature

11.1°C

8.1°C

10.1°C

Average low temperature

Average humidity

Average rainfall

Average rainfall days

7.7

9.9

9.2

Average sea temperature

Average daylight

Average sunshine

Average UV index

Average temperature in January
Shanghai, China

Average high temperature in January: 8.1°C

The warmest month (with the highest average high temperature) is July (32.2°C).
The month with the lowest average high temperature is January (8.1°C).

Average low temperature in January: 2.1°C

The months with the highest average low temperature are July and August (25.8°C).
The coldest month (with the lowest average low temperature) is January (2.1°C).

Average humidity in January
Shanghai, China

Average humidity in January: 74%

The month with the highest relative humidity is June (79%).
The month with the lowest relative humidity is December (71%).

Average rainfall in January
Shanghai, China

Average rainfall in January: 74.4mm

The wettest month (with the highest rainfall) is August (213.7mm).
The driest month (with the least rainfall) is December (43.9mm).

Average rainfall days in January
Shanghai, China

Average rainfall days in January: 9.9 days

The month with the highest number of rainy days is June (12.7 days).
The month with the least rainy days is October (6.9 days).

Average sea temperature in January
Shanghai, China

Average sea temperature in January: 10°C

The best month for swimming (with the highest average sea temperature) is August (27°C).
The coldest months (with the lowest average sea temperature) are February and March (8°C).

Average daylight in January /
Average sunshine in January
Shanghai, China

Average daylight in January: 10h and 24min

The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).

Average sunshine in January: 3h and 42min

The month with the most sunshine is July (Average sunshine: 6h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).