January weather forecast
Hangzhou, China

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Weather in January

January in Hangzhou, China marks the beginning of the year with wintry cold temperatures. Chill is felt as temperatures plunge from 1.8°C (35.2°F) to 8.3°C (46.9°F). The city experiences persistent humidity at 75%. It is relatively a tranquil month with the weather transitioning from the frigid winter season. An impermeable cloud cover prevails, offering limited sunshine and daylight.

Temperature

January tends to be the coldest month, with temperatures averaging a daily high of 8.3°C (46.9°F) and a low of 1.8°C (35.2°F).

Humidity

In January, the average relative humidity is 75%.

Rainfall

In Hangzhou, during January, the rain falls for 12.4 days and regularly aggregates up to 81mm (3.19") of precipitation. Throughout the year, there are 147.4 rainfall days, and 1438mm (56.61") of precipitation is accumulated.

Sea temperature

In Hangzhou, China, the average seawater temperature in January is 10.1°C (50.2°F).
Note: It is advised against swimming in 10.1°C (50.2°F) when it drops below 10°C (50°F). Such temperatures can cause extreme cold shock, leading to hyperventilation.

Daylight

The average length of the day in January in Hangzhou is 10h and 27min.
On the first day of January in Hangzhou, China, sunrise is at 06:55 and sunset at 17:09. On the last day of the month, sunrise is at 06:50 and sunset at 17:34 CST.

Sunshine

The month with the least sunshine is January, with an average of 3.3h of sunshine.

UV index

January and December, with an average maximum UV index of 4, are months with the lowest UV index in Hangzhou. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index of 4 during January translates into these guidelines:
Guard yourself - Avoiding sunburn is suggested. It's recommended to limit sun exposure when its radiation is at its peak during midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
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Frequently asked questions

What month is the coldest in Hangzhou?

January, known for its average high temperature of 8.3°C (46.9°F) and an average low temperature of 1.8°C (35.2°F), is the coldest month in Hangzhou.

What is the average January temperature in Hangzhou?

An average high-temperature, in January, in Hangzhou, is 8.3°C (46.9°F) and the average low-temperature is 1.8°C (35.2°F).

What is the average humidity in January in Hangzhou?

In January, the average relative humidity in Hangzhou is 75%.

How much does it rain in Hangzhou in January?

In Hangzhou, China, in January, during 12.4 rainfall days, 81mm (3.19") of precipitation is typically accumulated.

What is the sea water temperature in January in Hangzhou?

In Hangzhou, China, in January, the average water temperature is 10.1°C (50.2°F). Swimming in 10.1°C (50.2°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

What is the average length of the day in January in Hangzhou?

In Hangzhou, China, the average day length in January is 10h and 27min.

When are sunrise and sunset in January in Hangzhou?

On the first day of January, sunrise is at 06:55 and sunset at 17:09. On the last day of the month, sunrise is at 06:50 and sunset at 17:34 CST.

What is the month with the least sunshine in Hangzhou?

The month with the least sunshine in Hangzhou, China, is January, with an average of 3.3h of sunshine.

How many hours of sunshine does Hangzhou have in January?

In January, the average sunshine duration is 3.3h.

What is the month with the lowest UV index in Hangzhou?

January and December, with an average maximum UV index of 4, are months with the lowest UV index in Hangzhou, China.

How high is the UV index in January in Hangzhou?

In January, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in January
Hangzhou, China

Average temperature in January - Hangzhou, China
  • Average high temperature in January: 8.3°C

The warmest month (with the highest average high temperature) is July (33.6°C).
The month with the lowest average high temperature is January (8.3°C).

  • Average low temperature in January: 1.8°C

The month with the highest average low temperature is July (25.2°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).

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Average humidity in January
Hangzhou, China

Average humidity in January - Hangzhou, China
  • Average humidity in January: 75%

The month with the highest relative humidity is June (80%).
The month with the lowest relative humidity is December (73%).

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Average rainfall in January
Hangzhou, China

Average rainfall in January - Hangzhou, China
  • Average rainfall in January: 80.6mm

The wettest month (with the highest rainfall) is June (219.4mm).
The driest month (with the least rainfall) is December (48.9mm).

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Average rainfall days in January
Hangzhou, China

Average rainfall days in January - Hangzhou, China
  • Average rainfall days in January: 12.4 days

The month with the highest number of rainy days is March (15.3 days).
The month with the least rainy days is December (8.5 days).

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Average sea temperature in January
Hangzhou, China

Average sea temperature in January - Hangzhou, China
  • Average sea temperature in January: 10.1°C

The best month for swimming (with the highest average sea temperature) is August (26.9°C).
The coldest month (with the lowest average sea temperature) is February (8.8°C).

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

Average daylight in January / Average sunshine in January - Hangzhou, China
  • Average daylight in January: 10h and 2min

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 2min

The month with the most sunshine is July (Average sunshine: 6h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).

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Average UV index in January
Hangzhou, China

Average UV index in January - Hangzhou, China
  • Average UV index in January: 4

The months with the highest UV index are June, July and August (UV index 11).
The months with the lowest UV index are January and December (UV index 4).

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Hangzhou, China

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